Osmosis/Detailed Usage 0.48

This page describes the complete set of command line options available for the Osmosis tool.

Global Options

Short Option	Long Option	Description
-v	-verbose	Specifies that increased logging should be enabled.
-v x	-verbose x	x is a positive integer specifying the amount of increased logging, 0 is equivalent to the -v option alone.
-q	-quiet	Specifies that reduced logging should be enabled.
-q x	-quiet x	x is a positive integer specifying the amount of increased logging, 0 is equivalent to the -q option alone.
-p <plugin_class>	-plugin <plugin_class>	Allows an external plugin to be loaded. <plugin_class> is the name of a class implementing the com.bretth.osmosis.core.plugin.PluginLoader interface. This option may be specified multiple times to load multiple plugins.

Default Arguments

Some tasks can accept un-named or "default" arguments. In the tasks description, the argument name will be followed by "(default)".

For example, the --read-xml task has a file argument which may be unnamed. The following two command lines are equivalent.

osmosis --read-xml file=myfile.osm --write-null

osmosis --read-xml myfile.osm --write-null

Built-In Tasks

All tasks default to 0.6 versions from release 0.31 onwards.

0.6 tasks were first introduced in release 0.30. 0.5 tasks were dropped as of version 0.36. 0.4 tasks were dropped as of version 0.22.

API Database Tasks

The tasks are to be used with the schema that backs the OSM API. These tasks support the 0.6 database only, and support both PostgreSQL and MySQL variants. It is highly recommended to use PostgreSQL due to the better testing it receives.

--read-apidb (--rd)

Reads the contents of an API database at a specific point in time.

Pipe	Description
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
dbType	The type of database being used.	postgresql, mysql	postgresql
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	no
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
readAllUsers	If set to yes, the user public edit flag will be ignored and user information will be attached to every entity.	yes, no	no
snapshotInstant	Defines the point in time for which to produce a data snapshot.	format is "yyyy-MM-dd_HH:mm:ss"	(now)

--read-apidb-current (--rdcur)

Reads the current contents of an API database. Note that this task cannot be used as a starting point for replication because it does not produce a consistent snapshot.

Pipe	Description
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
dbType	The type of database being used.	postgresql, mysql	postgresql
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
readAllUsers	If set to yes, the user public edit flag will be ignored and user information will be attached to every entity.	yes, no	no

--write-apidb (--wd)

Populates an empty API database.

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
dbType	The type of database being used. (supported in revisions >= 15078, versions > 3.1)	postgresql, mysql	postgresql
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
lockTables	If yes is specified, tables will be locked during the import. This provides measurable performance improvements but prevents concurrent queries.	yes, no	yes
populateCurrentTables	If yes is specified, the current tables will be populated after the initial history table population. If only history tables are required, this reduces the import time by approximately 80%.	yes, no	yes

--read-apidb-change (--rdc)

Reads the changes for a specific time interval from an API database.

Pipe	Description
outPipe.0	Produces a change stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
dbType	The type of database being used.	postgresql, mysql	postgresql
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
readAllUsers	If set to yes, the user public edit flag will be ignored and user information will be attached to every entity.	yes, no	no
intervalBegin	Defines the beginning of the interval for which to produce a change set.	format is "yyyy-MM-dd_HH:mm:ss"	(1970)
intervalEnd	Defines the end of the interval for which to produce a change set.	format is "yyyy-MM-dd_HH:mm:ss"	(now)
readFullHistory	0.6 only. If set to yes, complete history for the specified time interval is produced instead of a single change per entity modified in that interval. This is not useful for standard changesets, it is useful if a database replica with full history is being produced. Change files produced using this option will likely not be able to be processed by most tools supporting the *.osc file format.	yes, no	no

--write-apidb-change (--wdc)

Applies a changeset to an existing populated API database.

Pipe	Description
inPipe.0	Consumes a change stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
dbType	The type of database being used.	postgresql, mysql	postgresql
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
populateCurrentTables	If yes is specified, the current tables will be populated after the initial history table population. This is useful if only history tables were populated during import.	yes, no	yes

--truncate-apidb (--td)

Truncates all current and history tables in an API database.

Pipe	Description
no pipes

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
dbType	The type of database being used.	postgresql, mysql	postgresql
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes

MySQL Tasks

The MySQL tasks are to be used with the MySQL schema that backs the OSM API. Please note that there are no 0.6 versions of these tasks. Instead, they are replaced with the "apidb" tasks.

--read-mysql (--rm)

Reads the contents of a MySQL database at a specific point in time.

Pipe	Description
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
readAllUsers	If set to yes, the user public edit flag will be ignored and user information will be attached to every entity.	yes, no	no
snapshotInstant	Defines the point in time for which to produce a data snapshot.	format is "yyyy-MM-dd_HH:mm:ss"	(now)

--read-mysql-current (--rmcur)

Reads the current contents of a MySQL database. Note that this task cannot be used as a starting point for replication because it does not produce a consistent snapshot.

Pipe	Description
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
readAllUsers	If set to yes, the user public edit flag will be ignored and user information will be attached to every entity.	yes, no	no

--write-mysql (--wm)

Populates an empty MySQL database.

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
lockTables	If yes is specified, tables will be locked during the import. This provides measurable performance improvements but prevents concurrent queries.	yes, no	yes
populateCurrentTables	If yes is specified, the current tables will be populated after the initial history table population. If only history tables are required, this reduces the import time by approximately 80%.	yes, no	yes

--read-mysql-change (--rmc)

Reads the changes for a specific time interval from a MySQL database.

Pipe	Description
outPipe.0	Produces a change stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
readAllUsers	If set to yes, the user public edit flag will be ignored and user information will be attached to every entity.	yes, no	no
intervalBegin	Defines the beginning of the interval for which to produce a change set.	format is "yyyy-MM-dd_HH:mm:ss"	(1970)
intervalEnd	Defines the end of the interval for which to produce a change set.	format is "yyyy-MM-dd_HH:mm:ss"	(now)
readFullHistory	0.6 only. If set to yes, complete history for the specified time interval is produced instead of a single change per entity modified in that interval. This is not useful for standard changesets, it is useful if a database replica with full history is being produced. Change files produced using this option will likely not be able to be processed by most tools supporting the *.osc file format.	yes, no	no

--write-mysql-change (--wmc)

Applies a changeset to an existing populated MySQL database.

Pipe	Description
inPipe.0	Consumes a change stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
populateCurrentTables	If yes is specified, the current tables will be populated after the initial history table population. This is useful if only history tables were populated during import.	yes, no	yes

--truncate-mysql (--tm)

Truncates all current and history tables in a MySQL database.

Pipe	Description
no pipes

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes

XML Tasks

The xml tasks are used to read and write "osm" data files and "osc" changeset files.

--read-xml (--rx)

Reads the current contents of an OSM XML file.

Pipe	Description
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
file (default)	The name of the osm file to be read, "-" means STDIN.		dump.osm
enableDateParsing	If set to yes, the dates in the osm xml file will be parsed, otherwise all dates will be set to a single time approximately equal to application startup. Setting this to no is only useful if the input file doesn't contain timestamps. It used to improve performance but date parsing now incurs low overhead.	yes, no	yes
compressionMethod	Specifies the compression method that has been used to compress the file. If "auto" is specified, the compression method will be automatically determined from the file name (*.gz=gzip, *.bz2=bzip2).	auto, none, gzip, bzip2	auto

--fast-read-xml (no short option available)

0.6 only. As per the --read-xml task but using a STAX XML parser instead of SAX for improved performance. This has undergone solid testing and should be reliable but all xml processing tasks have not yet been re-written to use the new implementation thus is not the default yet.

--write-xml (--wx)

Writes data to an OSM XML file.

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
file (default)	The name of the osm file to be written, "-" means STDOUT.		dump.osm
compressionMethod	Specifies the compression method that has been used to compress the file. If "auto" is specified, the compression method will be automatically determined from the file name (*.gz=gzip, *.bz2=bzip2).	auto, none, gzip, bzip2	auto

--read-xml-change (--rxc)

Reads the contents of an OSM XML change file.

Pipe	Description
outPipe.0	Produces a change stream.

Option	Description	Valid Values	Default Value
file (default)	The name of the osm change file to be read, "-" means STDIN.		change.osc
enableDateParsing	If set to yes, the dates in the osm xml file will be parsed, otherwise all dates will be set to a single time approximately equal to application startup. Setting this to no is only useful if the input file doesn't contain timestamps. It used to improve performance but date parsing now incurs low overhead.	yes, no	yes
compressionMethod	Specifies the compression method that has been used to compress the file. If "auto" is specified, the compression method will be automatically determined from the file name (*.gz=gzip, *.bz2=bzip2).	auto, none, gzip, bzip2	auto

--write-xml-change (--wxc)

Writes changes to an OSM XML change file.

Pipe	Description
inPipe.0	Consumes a change stream.

Option	Description	Valid Values	Default Value
file (default)	The name of the osm change file to be written, "-" means STDOUT.		change.osc
compressionMethod	Specifies the compression method that has been used to compress the file. If "auto" is specified, the compression method will be automatically determined from the file name (*.gz=gzip, *.bz2=bzip2).	auto, none, gzip, bzip2	auto

Area Filtering Tasks

These tasks can be used to retrieve data by filtering based on the location of interest.

--bounding-box (--bb)

Extracts data within a specific bounding box defined by lat/lon coordinates.

See also : Osmosis#Extracting_bounding_boxes

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
left	The longitude of the left edge of the box.	-180 to 180	-180
right	The longitude of the right edge of the box.	-180 to 180	180
top	The latitude of the top edge of the box.	-90 to 90	90
bottom	The latitude of the bottom edge of the box.	-90 to 90	-90
x1	Slippy map coordinate of the left edge of the box
y1	Slippy map coordinate of the top edge of the box
x2	Slippy map coordinate of the right edge of the box		x1
y2	Slippy map coordinate of the bottom edge of the box		y1
zoom	Slippy map zoom		12
completeWays	Include all available nodes for ways which have at least one node in the bounding box. Supersedes cascadingRelations.	yes, no	no
completeRelations	Include all available relations which are members of relations which have at least one member in the bounding box. Implies completeWays. Supersedes cascadingRelations.	yes, no	no
cascadingRelations	If a relation is selected for inclusion, always include all its parents as well. Without this flag, whether or not the parent of an included relation is included can depend on the order in which they appear - if the parent relation is processed but at the time it is not known that it will become "relevant" by way of a child relation, then it is not included. With this flag, all relations are read before a decision is made which ones to include. This flag is not required, and will be ignored, if either completeWays or completeRelations is set, as those flags automatically create a temporary list of all relations and thus allow proper parent selection. cascadingRelations, however, uses less resources than those options because it only requires temporary storage for relations.	yes, no	no
clipIncompleteEntities	Specifies what the behaviour should be when entities are encountered that have missing relationships with other entities. For example, ways with missing nodes, and relations with missing members. This occurs most often at the boundaries of selection areas, but may also occur due to referential integrity issues in the database or inconsistencies in the planet file snapshot creation. If set to true the entities are modified to remove the missing references, otherwise they're left intact.	true, false	false

If both lat/lon and slippy map coordinates are used then lat/lon coordinates are overriden by slippy map coordinates.

--bounding-polygon (--bp)

Extracts data within a polygon defined by series of lat/lon coordinates loaded from a polygon file.

The format of the polygon file is described at the MapRoom website, with two exceptions:

• A special extension has been added to this task to support negative polygons, these are defined by the addition of a "!" character preceding the name of a polygon header within the file. See an example on the Polygon filter file format page to get a better understanding of how to use negative polygons.
• The first coordinate pair in the polygon definition is not, as defined on the MapRoom site, the polygon centroid; it is the first polygon point. The centroid coordinates are not required by Osmosis (nor are they expected but they won't break things if present and counted as part of the polygon outline).
• An explicit example is provided on the Polygon filter file format page.
• You can find some polygons for european countries at the OSM-Subversion

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
file	The file containing the polygon definition.		polygon.txt
completeWays	See documentation for --bounding-box.	yes, no	no
completeRelations	See documentation for --bounding-box.	yes, no	no
cascadingRelations	See documentation for --bounding-box.	yes, no	no
clipIncompleteEntities	See documentation for --bounding-box.	true, false	false

Changeset Derivation and Merging

These tasks provide the glue between osm and osc files by allowing changes to be derived from and merged into osm files.

--derive-change (--dc)

Compares two data sources and produces a changeset of the differences.

Note that this task requires both input streams to be sorted first by type then by id.

Pipe	Description
inPipe.0	Consumes an entity stream.
inPipe.1	Consumes an entity stream.
outPipe.0	Produces a change stream.

Option	Description	Valid Values	Default Value
bufferCapacity	The size of the input buffers. This is defined in terms of the number of entity objects to be stored. An entity corresponds to an OSM type such as a node.	positive integers	20

--apply-change (--ac)

Applies a change stream to a data stream.

Note that this task requires both input streams to be sorted first by type then by id.

Pipe	Description
inPipe.0	Consumes an entity stream.
inPipe.1	Consumes a change stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
bufferCapacity	The size of the input buffer. This is defined in terms of the number of entity objects to be stored. An entity corresponds to an OSM type such as a node.	positive integers	20

Pipeline Control

These tasks allow the pipeline structure to be manipulated. These tasks do not perform any manipulation of the data flowing through the pipeline.

--write-null (--wn)

Discards all input data. This is useful for osmosis performance testing and for testing the integrity of input files.

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
no arguments

--write-null-change (--wnc)

Discards all input change data. This is useful for osmosis performance testing and for testing the integrity of input files.

Pipe	Description
inPipe.0	Consumes a change stream.

Option	Description	Valid Values	Default Value
no arguments

--buffer (--b)

Allows the pipeline processing to be split across multiple threads. The thread for the input task will post data into a buffer of fixed capacity and block when the buffer fills. This task creates a new thread that reads from the buffer and blocks if no data is available. This is useful if multiple CPUs are available and multiple tasks consume significant CPU.

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
bufferCapacity (default)	The size of the storage buffer. This is defined in terms of the number of entity objects to be stored. An entity corresponds to an OSM type such as a node.		100

--buffer-change (--bc)

As per --buffer but for a change stream.

Pipe	Description
inPipe.0	Consumes a change stream.
outPipe.0	Produces a change stream.

Option	Description	Valid Values	Default Value
bufferCapacity (default)	The size of the storage buffer. This is defined in terms of the number of change objects to be stored. A change object consists of a single entity with an associated action.		100

--log-progress (--lp)

Logs progress information using jdk logging at info level at regular intervals. This can be inserted into the pipeline to allow the progress of long running tasks to be tracked.

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
interval	The time interval between updates in seconds.		5
label	A label that the log messages of this particular logger will be prefixed with.		empty string

--log-progress-change(--lpc)

Logs progress of a change stream using jdk logging at info level at regular intervals. This can be inserted into the pipeline to allow the progress of long running tasks to be tracked.

Pipe	Description
inPipe.0	Consumes a change stream.
outPipe.0	Produces a change stream.

Option	Description	Valid Values	Default Value
interval	The time interval between updates in seconds.		5
label	A label that the log messages of this particular logger will be prefixed with.		empty string

--tee (--t)

Receives a single stream of data and sends it to multiple destinations. This is useful if you wish to read a single source of data and apply multiple operations on it.

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.
...
outPipe.n-1 (where n is the number of outputs specified)	Produces an entity stream.

Option	Description	Valid Values	Default Value
outputCount (default)	The number of destinations to write this data to.		2

--tee-change (--tc)

Receives a single stream of change data and sends it to multiple destinations. This is useful if you wish to read a single source of change data and apply multiple operations on it.

Pipe	Description
inPipe.0	Consumes a change stream.
outPipe.0	Produces a change stream.
...
outPipe.n-1 (where n is the number of outputs specified)	Produces a change stream.

Option	Description	Valid Values	Default Value
outputCount (default)	The number of destinations to write this data to.		2

--read-empty (--rem)

Produces an empty entity stream. This may be used in conjunction with the --merge task to convert a change stream to an entity stream.

Pipe	Description
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
no arguments

--read-empty-change (--remc)

Produces an empty change stream.

Pipe	Description
outPipe.0	Produces a change stream.

Set Manipulation Tasks

These tasks allow bulk operations to be performed which operate on a combination of data streams allowing them to be combined or re-arranged in some way.

--sort (--s)

Sorts all data in an entity stream according to a specified ordering. This uses a file-based merge sort keeping memory usage to a minimum and allowing arbitrarily large data sets to be sorted.

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
type (default)	The ordering to apply to the data.	TypeThenId - This specifies to sort by the entity type (eg. nodes before ways), then by the entity id. This is the ordering a planet file contains.	TypeThenId

--sort-change (--sc)

Sorts all data in a change stream according to a specified ordering. This uses a file-based merge sort keeping memory usage to a minimum and allowing arbitrarily large data sets to be sorted.

Pipe	Description
inPipe.0	Consumes a change stream.
outPipe.0	Produces a change stream.

Option	Description	Valid Values	Default Value
type (default)	The ordering to apply to the data.	streamable - This specifies to sort by the entity type (eg. nodes before ways), then by the entity id. This allows a change to be applied to an xml file. seekable - This sorts data so that it can be applied to a database without violating referential integrity.	streamable

--merge (--m)

Merges the contents of two data sources together. (If you need to merge three data sources, specify the option twice and so on, e.g. "--merge --merge")

Note that this task requires both input streams to be sorted first by type then by id.

Pipe	Description
inPipe.0	Consumes an entity stream.
inPipe.1	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
conflictResolutionMethod	The method to use for resolving conflicts between data from the two sources.	version - Choose the entity with the highest version, and second input source if both versions are identical. timestamp - Choose the entity with the newest timestamp. lastSource - Choose the entity from the second input source.	version
bufferCapacity	The size of the input buffers. This is defined in terms of the number of entity objects to be stored. An entity corresponds to an OSM type such as a node.	positive integers	20
boundRemovedAction	Specifies what to do if the merge task suppresses the output of the Bound entity into the resulting stream (see below).	ignore - Continue processing quietly. warn - Continue processing but emit a warning to the log. fail - Stop processing.	warn

Bound entity processing

Since version 0.40, this task has special handling for the Bound entities which occur at the beginning of the stream. The processing happens as follows:

1. If neither of the source streams have a Bound entity, no Bound entity is emitted to the output stream.
2. If both sources have a Bound entity, a Bound entity which corresponds to the union of the two source Bounds will be emitted to the output stream.
3. If one source does have a Bound entity but the other doesn't:
   1. If the source that doesn't have a Bound is empty (no entities whatsoever), the original Bound of the first source is passed through to the output stream.
   2. If the source that doesn't have a Bound is not empty, no Bound is emitted to the output stream. Additionally, the action specified by the "boundRemovedAction" keyword argument (see above) is taken.

--merge-change (--mc)

Merges the contents of two changesets together.

Note that this task requires both input streams to be sorted first by type then by id.

Pipe	Description
inPipe.0	Consumes a change stream.
inPipe.1	Consumes a change stream.
outPipe.0	Produces a change stream.

Option	Description	Valid Values	Default Value
conflictResolutionMethod	The method to use for resolving conflicts between data from the two sources.	version - Choose the entity with the highest version, and second input source if both versions are identical. timestamp - Choose the entity with the newest timestamp. lastSource - Choose the entity from the second input source.	version

--append-change (--apc)

Combines multiple change streams into a single change stream. The data from each input is consumed in sequence so that the result is a concatenation of data from each source. This output stream stream will be unsorted and may need to be fed through a --sort-change task.

This task is intended for use with full history change files. If delta change files are being used (ie. only one change per entity per file), then the --merge-change task may be more appropriate.

Pipe	Description
inPipe.0	Consumes a change stream.
...
inPipe.n-1	Consumes a change stream.
outPipe.0	Produces a change stream.

Option	Description	Valid Values	Default Value
sourceCount	The number of change streams to be appended.	A positive integer.	2
bufferCapacity	The size of the input buffers. This is defined in terms of the number of entity objects to be stored. An entity corresponds to an OSM type such as a node.	positive integers	20

--simplify-change (--simc)

Collapses a "full-history" change stream into a "delta" change stream. The result of this operation is a change stream guaranteed to contain a maximum of one change per entity.

For example, if an entity is created and modified in a single change file, this task will modify it to be a single create operation with the data of the modify operation.

Pipe	Description
inPipe.0	Consumes a change stream.
outPipe.0	Produces a change stream.

Option	Description	Valid Values	Default Value
N/A

--convert-change-to-full-history (--cctfh)

Translates a change stream into a "full-history" stream (an entity stream potentially containing multiple entity versions; visible is available in the "meta tags".

Pipe	Description
inPipe.0	Consumes a change stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
N/A

Data Manipulation Tasks

These tasks allow the entities being passed through the pipeline to be manipulated.

--node-key (--nk)

Given a list of "key" tags, this filter passes on only those nodes that have at least one of those tags set.

Note that this filter only operates on nodes. All ways and relations are filtered out.

This filter will only be available with version >= 0.30 (or the master development branch).

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
keyList	Comma-separated list of desired keys		N/A

--node-key-value (--nkv)

Given a list of "key.value" tags, this filter passes on only those nodes that have at least one of those tags set.

Note that this filter only operates on nodes. All ways and relations are filtered out.

This filter will only be available with version >= 0.30 (or the master development branch).

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
keyValueList	Comma-separated list of desired key.value combinations		N/A
keyValueListFile	The file containing the list of desired key.value combinations, one per line		N/A

--way-key (--wk)

Given a list of "key" tags, this filter passes on only those ways that have at least one of those tags set.

Note that this filter only operates on ways. All nodes and relations are passed on unmodified.

This filter is currently only available in (or the master development branch).

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
keyList	Comma-separated list of desired keys		N/A

--way-key-value (--wkv)

Given a list of "key.value" tags, this filter passes on only those ways that have at least one of those tags set.

Note that this filter only operates on ways. All nodes and relations are passed on unmodified.

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
keyValueList	Comma-separated list of desired key.value combinations		highway.motorway,highway.motorway_link,highway.trunk,highway.trunk_link (This applies if both keyValueList and keyValueListFile are missing)
keyValueListFile	The file containing the list of desired key.value combinations, one per line		N/A

--tag-filter (--tf)

Filters entities based on their type and optionally based on their tags. Can accept or reject entities that match the filter specification. Accepts by default any entity types without a filter specified.

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
filter mode (default)	A two-field dash-separated string which specifies accept/reject behavior and the entity type on which this filter operates.	accept-nodes, accept-ways, accept-relations, reject-nodes, reject-ways, reject-relations	empty string

All keyword arguments are interpreted as tag patterns in the form "key=value". When an entity has a tag that matches one of these patterns, the entity is accepted or rejected according to the filter mode. Each tag-filter task filters only the entity type specified in its mode string, passing all other entity types through without touching them. If no tag patterns are specified, the filter matches all entities of the given type. Within a particular tag pattern, multiple values can be specified for a single key using a comma-separated list. The wildcard value of * (a single asterisk) matches any value.

The value list separator character, key/value separator character, and wildcard character ( , = * respectively) can be included in keys or values using the following escape sequences:

Escape sequence	Replaced with
%a	*
%c	,
%e	=
%s	space
%%	literal '%' symbol

In practice, there are only limited circumstances where you must escape these characters:

• = must be escaped in tag keys
• , must be escaped in tag values
• * only needs to be escaped for tag values that consist of a single *
• % and space must always be escaped.

Example usage:

osmosis \
  --read-xml input.osm \
  --tf accept-ways highway=* \ 
  --tf reject-ways highway=motorway,motorway_link \
  --tf reject-relations \
  --used-node \
  --write-xml output.osm

This will keep only ways with tag highway=(anything), then among those retained ways it will reject the ones where the highway tag has the value motorway or motorway_link. All relations are discarded, then all nodes which are not in the ways are discarded. The remaining entities are written out in XML. In other words, it produces a file containing all highways except motorways or motorway links, as well as the nodes that make up those highways.

Note that each each tag-filter task can accept more than one tag pattern, and will accept/reject an entity if it matches any of those supplied tag patterns. For example, the following command will produce a file containing all POI nodes with amenity, sport, or leisure tags:

osmosis \
 --read-pbf switzerland.osm.pbf \
 --tf accept-nodes sport=* amenity=* leisure=* \
 --tf reject-ways \
 --tf reject-relations \
 --write-xml switzerland-poi.osm.xml

You may need to work on two or more separate entity streams and merge them after filtering, especially where the used-node or used-way tasks are involved. If both inputs for the merge are coming from the same thread (e.g. using the tee task followed by the merge task), Osmosis will experience deadlock and the operation will never finish. One solution to this deadlock problem is to read the data in two separate tasks. The following command will produce an output file containing all amenity nodes, as well as all motorways and any nodes referenced by the motorways.

../osmosis/bin/osmosis \ 
  --rx input.osm \
  --tf reject-relations \
  --tf accept-nodes amenity=* \
  --tf reject-ways \
  \
  --rx input.osm \
  --tf reject-relations \
  --tf accept-ways highway=motorway \
  --used-node \ 
  \
  --merge \
  --wx amenity-and-motorway.osm

An example of accepting some nodes, some ways and some relations plus their used ways and relations:

osmosis \
  --read-pbf "${SOURCE_PBF}" \
  --log-progress \
  --tag-filter reject-relations \
  --tag-filter reject-ways \
  --tag-filter accept-nodes entrance=* amenity=loading_dock addr:housenumber=* \
  \
  --read-pbf "${SOURCE_PBF}" \
  --log-progress \
  --tag-filter reject-relations \
  --tag-filter accept-ways building=* building:part=* \
  --used-node \
  \
  --read-pbf "${SOURCE_PBF}" \
  --log-progress \
  --tag-filter accept-relations type=associated_entrance building=* building:part=* \
  --used-way \
  --used-node \
  \
  --merge --merge \
  --write-pbf "${FILTERED}"

--used-node (--un)

Restricts output of nodes to those that are used in ways and relations.

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
idTrackerType	Specifies the memory mechanism for tracking selected ids. BitSet is more efficient for very large bounding boxes (where node count is greater than 1/32 of maximum node id), IdList will be more efficient for all smaller bounding boxes.	BitSet, IdList, Dynamic	Dynamic

--used-way (--uw)

Restricts output of ways to those that are used in relations.

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
idTrackerType	Specifies the memory mechanism for tracking selected ids. BitSet is more efficient for very large bounding boxes (where node count is greater than 1/32 of maximum node id), IdList will be more efficient for all smaller bounding boxes.	BitSet, IdList, Dynamic	Dynamic

--tag-transform (--tt)

Transform the tags in the input stream according to the rules specified in a transform file.

More details are available in the Osmosis/TagTransform documentation.

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
file	The name of the file containing the transform description.		transform.xml
stats	The name of a file to output statistics of match hit counts to.		N/A

PostGIS Tasks (Snapshot Schema)

Osmosis provides a PostGIS schema for storing a snapshot of OSM data. All geo-spatial aspects of the data are stored using PostGIS geometry data types. Node locations are always stored as a point. Ways are related to nodes as in the normal API schema, however they may optionally have bounding box and/or full linestring columns added as well allowing a full set of geo-spatial operations to be performed on them.

Note that all tags are stored in hstore columns. If separate tags tables are required, check the "Simple Schema" tasks instead.

To perform queries on this schema, see #Dataset Tasks.

The schema creation scripts can be found in the scripts directory within the osmosis distribution. These scripts are:

• pgsnapshot_schema_0.6.sql - Builds the minimal schema.
• pgsnapshot_schema_0.6_action.sql - Adds the optional "action" table which allows derivative tables to be kept up to date when diffs are applied.
• pgsnapshot_schema_0.6_bbox.sql - Adds the optional bbox column to the way table.
• pgsnapshot_schema_0.6_linestring.sql - Adds the optional linestring column to the way table.
• pgsnapshot_load_0.6.sql - A sample data load script suitable for loading the COPY files created by the --write-pgsql-dump task.

Osmosis_PostGIS_Setup describes a procedure for setting up Postgresql/PostGIS for use with osmosis.

--write-pgsql (--wp)

Populates an empty PostGIS database with a "simple" schema. A schema creation script is available in the osmosis script directory.

The schema has a number of optional columns and tables that can be optionally installed with additional schema creation scripts. This task queries the schema to automatically detect which of those features is installed.

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
postgresSchema	The database schema to use on Postgresql. This value is pre-pended to search_path variable.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
nodeLocationStoreType	This option only takes effect if at least one of the linestring or bbox columns exists on the ways table. Geometry builders require knowledge of all node locations. This option specifies how those nodes are temporarily stored. If you have large amounts of memory (at least 64GB of system memory, a 64-bit JVM and at least 50GB of JVM RAM specified with the -Xmx option) you may use the "InMemory" option. Otherwise you must choose between the "TempFile" option which is much slower but still faster than relying on the default database geometry building implementation, or the "CompactTempFile" option which is more efficient for smaller datasets.	"InMemory", "TempFile", "CompactTempFile"	"CompactTempFile"
keepInvalidWays	Invalid ways are ways with less than two nodes in them. These ways generate invalid linestrings which can cause problems when running spatial queries. If this option is set to "no" then they are silently discarded. Note that invalid linestrings can come from other sources like ways with multiple nodes at the same location, but these are not currently detected and will be included.	yes, no	yes

--write-pgsql-dump (--wpd)

Writes a set of data files suitable for loading a PostGIS database with a "simple" schema using COPY statements. A schema creation script is available in the osmosis script directory. A load script is also available which will invoke the COPY statements and update all indexes and special index support columns appropriately. This option should be used on large import data (like the planet file), since it is much faster than --write-pgsql

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
directory	The name of the directory to write the data files into.		pgimport
enableBboxBuilder	If yes is specified, the task will build the bbox geometry column using a java-based solution instead of running a post-import query. Using this option provides significant performance improvements compared to the query approach.	yes, no	no
enableLinestringBuilder	As per the enableBboxBuilder option but for the linestring geometry column.	yes, no	no
nodeLocationStoreType	This option only takes effect if at least one of the enableBboxBuilder and enableLinestringBuilder options are enabled. Both geometry builder implementations require knowledge of all node locations. This option specifies how those nodes are temporarily stored. If you have large amounts of memory (at least 64GB of system memory, a 64-bit JVM and at least 50GB of JVM RAM specified with the -Xmx option) you may use the "InMemory" option. Otherwise you must choose between the "TempFile" option which is much slower but still faster than relying on the default database geometry building implementation, or the "CompactTempFile" option which is more efficient for smaller datasets.	"InMemory", "TempFile", "CompactTempFile"	"CompactTempFile"
keepInvalidWays	Invalid ways are ways with less than two nodes in them. These ways generate invalid linestrings which can cause problems when running spatial queries. If this option is set to "no" then they are silently discarded. Note that invalid linestrings can come from other sources like ways with multiple nodes at the same location, but these are not currently detected and will be included.	yes, no	yes

--truncate-pgsql (--tp)

Truncates all tables in a PostGIS with a "simple" schema.

Pipe	Description
no pipes

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
postgresSchema	The database schema to use on Postgresql. This value is pre-pended to search_path variable.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes

--read-pgsql (--rp)

Reads the contents of a PostGIS database with a "simple" schema.

Pipe	Description
outPipe.0	Produces a dataset.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
postgresSchema	The database schema to use on Postgresql. This value is pre-pended to search_path variable.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes

--write-pgsql-change (--wpc)

Write changes to PostGIS database with "simple" schema.

Pipe	Description
inPipe.0	Consumes a change stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
postgresSchema	The database schema to use on Postgresql. This value is pre-pended to search_path variable.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
keepInvalidWays	Invalid ways are ways with less than two nodes in them. These ways generate invalid linestrings which can cause problems when running spatial queries. If this option is set to "no" then they are silently discarded. Note that invalid linestrings can come from other sources like ways with multiple nodes at the same location, but these are not currently detected and will be included.	yes, no	yes

PostGIS Tasks (Simple Schema)

This is effectively an older version of the snapshot schema where tags are still stored in separate tags tables instead of hstore columns. It is recommended to use the newer "Snapshot Schema" versions of these tasks where possible due to the improved performance they provide.

To perform queries on this schema, see #Dataset Tasks.

The schema creation scripts can be found in the scripts directory within the osmosis distribution. These scripts are:

• pgsimple_schema_0.6.sql - Builds the minimal schema.
• pgsimple_schema_0.6_action.sql - Adds the optional "action" table which allows derivative tables to be kept up to date when diffs are applied.
• pgsimple_schema_0.6_bbox.sql - Adds the optional bbox column to the way table.
• pgsimple_schema_0.6_linestring.sql - Adds the optional linestring column to the way table.
• pgsimple_load_0.6.sql - A sample data load script suitable for loading the COPY files created by the --write-pgsimp-dump task.

Osmosis_PostGIS_Setup describes a procedure for setting up Postgresql/PostGIS for use with osmosis.

--write-pgsimp (--ws)

Populates an empty PostGIS database with a "simple" schema. A schema creation script is available in the osmosis script directory.

The schema has a number of optional columns and tables that can be optionally installed with additional schema creation scripts. This task queries the schema to automatically detect which of those features is installed.

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
nodeLocationStoreType	This option only takes effect if at least one of the linestring or bbox columns exists on the ways table. Geometry builders require knowledge of all node locations. This option specifies how those nodes are temporarily stored. If you have large amounts of memory (at least 6GB of system memory, a 64-bit JVM and at least 4GB of JVM RAM specified with the -Xmx option) you may use the "InMemory" option. Otherwise you must choose between the "TempFile" option which is much slower but still faster than relying on the default database geometry building implementation, or the "CompactTempFile" option which is more efficient for smaller datasets.	"InMemory", "TempFile", "CompactTempFile"	"CompactTempFile"

--write-pgsimp-dump (--wsd)

Writes a set of data files suitable for loading a PostGIS database with a "simple" schema using COPY statements. A schema creation script is available in the osmosis script directory. A load script is also available which will invoke the COPY statements and update all indexes and special index support columns appropriately. This option should be used on large import data (like the planet file), since it is much faster than --write-pgsql

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
directory	The name of the directory to write the data files into.		pgimport
enableBboxBuilder	If yes is specified, the task will build the bbox geometry column using a java-based solution instead of running a post-import query. Using this option provides significant performance improvements compared to the query approach.	yes, no	no
enableLinestringBuilder	As per the enableBboxBuilder option but for the linestring geometry column.	yes, no	no
nodeLocationStoreType	This option only takes effect if at least one of the enableBboxBuilder and enableLinestringBuilder options are enabled. Both geometry builder implementations require knowledge of all node locations. This option specifies how those nodes are temporarily stored. If you have large amounts of memory (at least 6GB of system memory, a 64-bit JVM and at least 4GB of JVM RAM specified with the -Xmx option) you may use the "InMemory" option. Otherwise you must choose between the "TempFile" option which is much slower but still faster than relying on the default database geometry building implementation, or the "CompactTempFile" option which is more efficient for smaller datasets.	"InMemory", "TempFile", "CompactTempFile"	"CompactTempFile"

--truncate-pgsimp (--ts)

Truncates all tables in a PostGIS with a "simple" schema.

Pipe	Description
no pipes

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes

--read-pgsimp (--rs)

Reads the contents of a PostGIS database with a "simple" schema.

Pipe	Description
outPipe.0	Produces a dataset.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes

--write-pgsimp-change (--wsc)

Write changes to PostGIS database with "simple" schema.

Pipe	Description
inPipe.0	Consumes a change stream.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes

API Tasks

These tasks provide the ability to interact directly with the OSM API. This is the API that is used directly by editors such as JOSM.

--read-api (--ra)

Retrieves the contents of a bounding box from the API. This is subject to the bounding box size limitations imposed by the API.

Pipe	Description
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
left	The longitude of the left edge of the box.	-180 to 180	-180
right	The longitude of the right edge of the box.	-180 to 180	180
top	The latitude of the top edge of the box.	-90 to 90	90
bottom	The latitude of the bottom edge of the box.	-90 to 90	-90
url	The url of the API server.		https://www.openstreetmap.org/api/0.6

--upload-xml-change

Uploade a changeset to an existing populated API server via HTTP.

• since Osmosis 0.31.3
• Support: User:MarcusWolschon

Pipe	Description
inPipe.0	Consumes a change stream.

Option	Description	Valid Values	Default Value
server	The server to upload to.		https://api.openstreetmap.org/api/0.6
user	The api user name.		argument is required
password	The api password.		argument is required

Dataset Tasks

Dataset tasks are those that act on on the generic dataset interface exposed by several data stores. For example the #PostGIS Tasks. These tasks allow data queries and data manipulation to be performed in a storage method agnostic manner.

--dataset-bounding-box (--dbb)

Extracts data within a specific bounding box defined by lat/lon coordinates. This differs from the --bounding-box task in that it operates on a dataset instead of an entity stream, in other words it uses the features of the underlying database to perform a spatial query instead of examining all nodes in a complete stream.

This implementation will never clip ways at box boundaries, and depending on the underlying implementation may detect ways crossing a box without having any nodes within that box.

Pipe	Description
inPipe.0	Consumes a dataset.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
left	The longitude of the left edge of the box.	-180 to 180	-180
right	The longitude of the right edge of the box.	-180 to 180	180
top	The latitude of the top edge of the box.	-90 to 90	90
bottom	The latitude of the bottom edge of the box.	-90 to 90	-90
completeWays	Include all nodes for all included ways.	yes, no	no

--dataset-dump (--dd)

Converts an entire dataset to an entity stream.

Pipe	Description
inPipe.0	Consumes a dataset.
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
no arguments

Reporting Tasks

These tasks provide summaries of data processed by the pipeline.

--report-entity (--re)

Produces a summary report of each entity type and the users that last modified them.

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
file (default)	The file to write the report to.		entity-report.txt

--report-integrity (--ri)

Produces a list of the referential integrity issues in the data source.

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
file (default)	The file to write the report to.		integrity-report.txt

Replication Tasks

These tasks are used for replicating changes between data stores. They typically work with change streams and can therefore be coupled with other change stream tasks depending on the job to be performed. However some tasks work with replication streams which are change streams that propagate additional replication state tracking metadata. Tasks producing and consuming replication streams cannot be connected to tasks supporting standard change streams.

There are two major types of change files:

• Delta - Contain minimal changes to update a dataset. This implies a maximum of 1 change per entity.
• Full-History - Contain the full set of historical changes. This implies that there may be multiple changes per entity. Note that the replication stream tasks work on full-history data.

All change tasks support the "delta" style of changesets. Some tasks do not support the "full-history" change files.

For more technical information related to Osmosis, read Osmosis/Replication.

--merge-replication-files (--mrf)

Retrieves a set of replication files named by replication sequence number from a server, combines them into larger time intervals, sorts the result, and tracks the current timestamp. This is the task used to create the aggregated hour and day replication files based on minute files.

The changes produced by this task are full-history changes.

Pipe	Description
N/A

Option	Description	Valid Values	Default Value
workingDirectory (default)	The directory containing the state and config files.		(current directory)

--merge-replication-files-init (--mrfi)

Initialises a working directory to contain files necessary for use by the --merge-replication-files task. This task must be run once to create the directory structure and the configuration file manually edited to contain the required settings.

Pipe	Description
n/a

Option	Description	Valid Values	Default Value
workingDirectory (default)	The directory to populate with state and config files.		(current directory)

Note: This will create a configuration.txt and a download.lock file in the <workingDirectory>. Then you need to manually edit the configuration.txt file and change the url to the one of minute or hourly replicate (eg : baseUrl=https://planet.openstreetmap.org/replication/minute/ for the web or baseUrl=file:///your/replicate-folder for local filesystem) You will need to edit the configuration file to specify the time interval to group changes by.

If no state.txt file exists, the first invocation will result in the latest state file being downloaded. If you wish to start from a known point you need to download from https://planet.openstreetmap.org/replication/minute/ the state file of the start date you want for your replication put it into your <workingDirectory> with name state.txt. You can use the replicate-sequences tool to find a matching file. Take one at least an hour earlier than your start date to avoid missing changes.

--read-change-interval (--rci)

Retrieves a set of change files named by date from a server, merges them into a single stream, and tracks the current timestamp.

The changes produced by this task are typically delta changes (depends on source data).

Pipe	Description
outPipe.0	Produces a change stream.

Option	Description	Valid Values	Default Value
workingDirectory (default)	The directory containing the state and config files.		(current directory)

--read-change-interval-init (--rcii)

Initialises a working directory to contain files necessary for use by the --read-change-interval task. This task must be run once to create the directory structure and the configuration file manually edited to contain the required settings.

Pipe	Description
n/a

Option	Description	Valid Values	Default Value
workingDirectory (default)	The directory to populate with state and config files.		(current directory)
initialDate	The timestamp to begin replication from. Only changesets containing data after this timestamp will be downloaded. Note that unlike most tasks accepting dates, this date is specified in UTC.	format is "yyyy-MM-dd_HH:mm:ss"	N/A

--read-replication-interval (--rri)

Retrieves a set of replication files named by replication sequence number from a server, combines them into a single stream, sorts the result, and tracks the current timestamp. Available since osmosis 0.32.

The changes produced by this task are typically full-history changes (depends on source data).

Pipe	Description
outPipe.0	Produces a change stream.

Option	Description	Valid Values	Default Value
workingDirectory (default)	The directory containing the state and config files.		(current directory)
maxInterval	Defines the maximum time interval in seconds to download in a single invocation.		3600

--read-replication-interval-init (--rrii)

Initialises a working directory to contain files necessary for use by the --read-replication-interval task. This task must be run once to create the directory structure and the configuration file manually edited to contain the required settings.

Pipe	Description
n/a

Option	Description	Valid Values	Default Value
workingDirectory (default)	The directory to populate with config files.		(current directory)

Note: This will create a configuration.txt and a download.lock file in the <workingDirectory>. Then you need to manually edit the configuration.txt file and change the url to the one of minute or hourly replicate (eg : baseUrl=https://planet.openstreetmap.org/minute-replicate for the web or baseUrl=file:///your/replicate-folder for local filesystem)

If no state.txt file exists, the first invocation of --read-replication-interval will result in the latest state file being downloaded. If you wish to start from a known point you need to download from https://planet.openstreetmap.org/minute-replicate the state file of the start date you want for your replication put it into your <workingDirectory> with name state.txt. You can use the replicate-sequences tool to find a matching file. Take one at least an hour earlier than your start date to avoid missing changes.

--read-replication-lag (--rrl)

This Task takes the state.txt in an replication working directory and compares its timestamp (that's the timestamp of the last chunk of that that osmosis downloaded) with the timestamp of the servers state.txt (that's the timestamp of the last chunk of that that the server has produced). It then calculates the difference and prints it to stdout. Running osmosis with the -q option will prevent logging output from being displayed unless an error occurs.

A sample invocation may look like

osmosis -q --read-replication-lag humanReadable=yes workingDirectory=/osm/diffs

Pipe	Description
n/a

Option	Description	Valid Values	Default Value
workingDirectory (default)	The directory to populate with state and config files.		(current directory)
humanReadable	print the replication lag in a human readable format	yes, no	no

--receive-replication (--rr)

Reads a replication data feed from a HTTP server typically served by the --send-replication-data task. It directly passes the data through a replication stream to a task supporting changes with replication extensions such as --replication-to-change. This is intended for use by clients requiring access to highly current data that the existing --replicate-change-interval cannot achieve with its polling technique.

As with all replication stream tasks, it operates using a constant streaming technique that sends data to downstream tasks in multiple sequences. Each sequence will include an initialize/complete method call. The initialize method is where state information is exchanged, and the complete call is where data is persisted/committed. The final release method call will not be occur until the pipeline shuts down.

Available since osmosis 0.41.

Pipe	Description
outPipe.0	Produces a change stream with replication extensions.

Option	Description	Valid Values	Default Value
host	The name of the server to connect to.		localhost
port	The port number on the server to connect to (0 will dynamically allocate a port).		0
pathPrefix	The leading path for the URL to connect to. This is only required if the replication server is proxied behind a web server that is mapping the URL into a child path. In that case the path would typically be "replication".

--replicate-apidb (--repa)

This task provides replication files for consumers to download. It is primarily run against the production API database with the results made available on the planet server. This task must be used in conjunction with a sink task supporting replication extensions such as --write-replication. By default it will extract a single set of data from the database and pass it downstream, however it may be run in a continuous loop mode by setting the iterations argument.

All changes will be sorted by type, then id, then version.

The behaviour of this task changed in version 0.41 to send data to a separate sink task. Previously the --write-replication functionality was incorporated in this task.

Pipe	Description
outPipe.0	Produces a change stream with replication extensions.

Option	Description	Valid Values	Default Value
authFile	The name of the file containing database login credentials (See Database Login Credentials for more info).		N/A
host	The database host server.		localhost
database	The database instance.		osm
user	The database user name.		osm
password	The database password.		(blank)
validateSchemaVersion	If yes is specified, the task will validate the current schema version before accessing the database.	yes, no	yes
allowIncorrectSchemaVersion	If validateSchemaVersion is yes, this option controls the result of a schema version check failure. If this option is yes, a warning is displayed and execution continues. If this option is no, an error is displayed and the program aborts.	yes, no	yes
readAllUsers	If set to yes, the user public edit flag will be ignored and user information will be attached to every entity.	yes, no	no
iterations	The number of replication intervals to perform. 0 means infinite.		1
minInterval	The minimum interval to wait between replication intervals in milliseconds. A non-zero value prevents the task running in a tight loop and places an upper limit on the rate of replication intervals generated.		0
maxInterval	The maximum interval to wait between replication intervals in milliseconds if no data is available. A non-zero value prevents large numbers of empty files being generated in periods of inactivity, but may lead to clients thinking they are lagging the server if it is set too high. Note that an interval may still exceed this value due to the time taken to process an interval.		0

--replication-to-change (--rtc)

Converts a replication stream to a standard change stream. A replication stream uses the final sink task to store state, so this task tracks state using a standard state.txt file in a similar way to other tasks such as --read-replication-interval. The change data is then sent to the standard downstream change tasks.

The downstream tasks must support multiple sequences which not all change sink tasks do. For example, it doesn't make sense for --write-xml-change to receive multiple sequences because it will keep opening the same XML file and overwriting the data from the previous sequence. Other tasks such as --write-pgsql-change are writing changes to a database and can support multiple sequences without overwriting previous data.

Pipe	Description
inPipe.0	Consumes a change stream with replication extensions.
outPipe.0	Produces a (standard) change stream.

Option	Description	Valid Values	Default Value
workingDirectory (default)	The directory to write the state file.		(current directory)

--send-replication-sequence (--srs)

Exposes a HTTP server that sends replication sequence numbers to attached clients notifying them when new replication data is available. The data is sent in a streamy fashion with the connection held open and new records sent as new replication numbers are created.

This task is not intended for direct consumption by consumers. It is used by other tasks such as --send-replication-data which sends the actual replication data to clients. It detects new replication numbers by being inserted in the middle of a continuous replication pipeline. For example, it can be inserted between --replicate-apidb running in loop mode and --write-replication, and will run for as long as --replicate-apidb keeps the replication stream open.

The URLs served by this task are:

• /statistics - Displays global counters for the server.
• /sequenceNumber/current - Returns the current sequence number. This number is guaranteed to be available.
• /sequenceNumber/current/tail - As per above, but the connection is held open and new sequence numbers are returned as they become available.
• /sequenceNumber/<number> - Returns the sequence number specified by <number>. It will block if the number is not yet available, but will error if <number> is more than 1 greater than current. This is not useful on its own, but provided for consistency with other URLs.
• /sequenceNumber/<number>/tail - As per above, but the connection is held open and new sequence numbers are returned as they become available.

All data is sent using HTTP chunked encoding. Each sequence number is sent within its own chunk.

Available since Osmosis 0.41.

Pipe	Description
inPipe.0	Consumes a change stream with replication extensions.
outPipe.0	Produces a change stream with replication extensions.

Option	Description	Valid Values	Default Value
port (default)	The TCP port to listen for new connections on (0 will dynamically allocate a port).		0

--send-replication-data (--srd)

Exposes a HTTP server that sends replication data to attached clients available avoiding the need for client-side polling. The data is sent in a streamy fashion with the connection held open and new records sent as new replication data is created. It is intended for cases where the replication interval is less than 1 minute and the --read-replication-interval task is unsuitable.

The data sent by this task can be consumed by the --receive-replication task.

The URLs served by this task are:

• /replicationState/current - Returns the state of the current replication sequence. The data associated with this state is guaranteed to be available.
• /replicationState/current/tail - As per above, but the connection is held open and new state information is returned as it becomes available.
• /replicationState/<number> - Returns the state of the sequence identified by <number>. It will block if the number is not yet available, but will error if <number> is more than 1 greater than current.
• /replicationState/<number>/tail - As per above, but the connection is held open and new state data is returned as it becomes available.
• /replicationState/<yyyy-MM-dd-HH-mm-ss> - Returns the state of the replication sequence at or immediately prior to the specified time.
• /replicationState/<yyyy-MM-dd-HH-mm-ss>/tail - As per above, but the connection is held open and new state information is returned as it becomes available.
• /replicationData/current - Returns the state and data of the current replication sequence.
• /replicationData/current/tail - As per above, but the connection is held open and new state data and associated data is returned as it becomes available.
• /replicationData/<number> - Returns the state and data of the sequence identified by <number>. It will block if the number is not yet available, but will error if <number> is more than 1 greater than current.
• /replicationData/<number>/tail - As per above, but the connection is held open and new state data and associated data is returned as it becomes available.
• /replicationData/<yyyy-MM-dd-HH-mm-ss> - Returns the state and data of the replication sequence at or immediately prior to the specified time.
• /replicationData/<yyyy-MM-dd-HH-mm-ss>/tail - As per above, but the connection is held open and new state data and associated data is returned as it becomes available.

The statistics and replicationState URLs provide data in "text/plain" format and can be viewed directly in a web browser. The replicationData URLs provide data in "application/octet-stream" format and must be treated as binary, with the state "headers" containing data in java properties format, and the replication data itself encoded in *.osc format using gzip compression.

All data is sent using HTTP chunked encoding, however it cannot be assumed that data is aligned with chunks. Each set of state data and replication data is preceeded by a numeric base-10 ASCII length field terminated by a CRLF pair.

Available since Osmosis 0.41.

Pipe	Description
N/A

Option	Description	Valid Values	Default Value
dataDirectory (default)	The directory containing replication files.		(current directory)
port	The TCP port to listen for new connections on (0 will dynamically allocate a port).		0
notificationPort	The --send-replication-sequence task TCP port that will be used to obtain updated sequence numbers.		80

--write-replication (--wr)

Persists a replication stream into a replication data directory. It is typically used to produce the sequenced compressed XML and state files produced on the planet server and made available for clients to consume. Multiple replication sequences will be written to separate consecutively numbered files along with a corresponding state text file. This works with tasks such as --replicate-apidb.

Retrieves a set of replication files named by replication sequence number from a server, combines them into a single stream, sorts the result, and tracks the current timestamp. Available since osmosis 0.41 (the functionality was previously built into --replicate-apidb).

Pipe	Description
inPipe.0	Consumes a change stream with replication extensions.

Option	Description	Valid Values	Default Value
workingDirectory (default)	The directory to write the state and data files.		(current directory)

PBF Binary Tasks

The binary tasks are used to read and write binary PBF (Google Protocol Buffer) files.

--read-pbf (--rb)

Reads the current contents of an OSM binary file.

Pipe	Description
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
file (default)	The name of the file to be read.		dump.osmbin

--read-pbf-fast (--rbf)

Reads the current contents of an OSM binary file. This is the same as the standard --read-pbf task except that it allows multiple worker threads to be utilised to improve performance.

Pipe	Description
outPipe.0	Produces an entity stream.

Option	Description	Valid Values	Default Value
file (default)	The name of the file to be read.	Local path to file or HTTP/HTTPS URL of remote file	dump.osm.pbf
workers	The number of worker threads to use.	>= 1	1

--write-pbf (--wb)

Writes data to an OSM binary file.

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
file (default)	The name of the file to be written.		dump.osm.pbf
batchlimit	Block size used when compressing. This is a reasonable default. Batchlimits that are too big may cause files to exceed the defined filesize limits.	Integer value.	8000
omitmetadata	Omit non-geographic metadata on OSM entities. This includes version number and timestamp of the last edit to the entity as well as the user name and id of the last modifier. Omitting this metadata can save 15% of the file size when exporting to software that does not need this data.	true, false	false
usedense	Nodes can be represented in a regular format or a dense format. The dense format is about 30% smaller, but more complex. To make it easier to interoperate with (future) software that chooses to not implement the dense format, the dense format may be disabled.	true, false	true
granularity	The granularity or precision used to store coordinates. The default of 100 nanodegrees is the highest precision used by OSM, corresponding to about 1.1cm at the equator. In the current osmosis implementation, the granularity must be a multiple of 100. If map data is going to be exported to software that does not need the full precision, increasing the granularity to 10000 nanodegrees can save about 10% of the file size, while still having 1.1m precision.	Integer value.	100
compress	'deflate' uses deflate compression on each block. 'none' disables compression. These files are about twice as fast to write and twice the size.	deflate, none	deflate

Plugin Tasks

The following tasks are contained in plugins.

They can be added to osmosis by installing the specified plugin in one of the pathes below or by adding it to the command-line via the "-P" -option.

To install these tasks, copy the specified zip-file into

• ~/.openstreetmap/osmosis/plugins (Linux) or
• /usr/share/osmosis/ if you installed Osmosis using Debian repositories package (Debian Linux) or
• "C:\\Documents and Settings\\(Username)\\Application Data\\Openstreetmap\\Osmosis\\Plugins" (english Windows) or
• "C:\\Dokumente und Einstellungen\\(Username)\\Anwendungsdaten\\Openstreetmap\\Osmosis\\Plugins" (german Windows) or
• the current directoy or
• the subdirectory plugins in the current directory

To write your own plugins, see Osmosis/WritingPlugins.

--write-osmbin-0.6

Write to a directory in Osmbin version 1.0

• plugin-zip: libosm_osmosis_plugins.zip (Part of Traveling Salesman)
• download: Traveling Salesman on Sourceforge (soon)
• documentation: Traveling Salesman - Wiki

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
dir	The name of the directory to be written to. Will be created if needed. Will append/update if osmbin-data exists.	Any valid directory-name.	none

Example:

• java -classpath lib/jpf.jar:lib/commons-logging-1.0.4.jar:lib/osmosis.jar org.openstreetmap.osmosis.core.Osmosis --read-xml file="../Desktop/hamburg.osm.bz2" --write-osmbin-0.6 dir="../osmbin-map"

--dataset-osmbin-0.6

Read and write from/to a directory in Osmbin version 1.0 and provide random access to it for further tasks

• plugin-zip: libosm_osmosis_plugins.zip (Part of Traveling Salesman)
• download: Traveling Salesman on Sourceforge
• documentation: Traveling Salesman - Wiki

this task is not yet finished. It provides random access but the bulk-methods iterate() and iterateBoundingBox() are not yet implemented.

Pipe	Description
inPipe.0	Consumes an entity stream.

Option	Description	Valid Values	Default Value
dir	The name of the directory to be written to. Will be created if needed. Will append/update if osmbin-data exists.	Any valid directory-name.	none

Example:

• java -classpath lib/jpf.jar:lib/commons-logging-1.0.4.jar:lib/osmosis.jar org.openstreetmap.osmosis.core.Osmosis --read-xml file="../Desktop/hamburg.osm.bz2" --dataset-osmbin-0.6 dir="../osmbin-map"

--reindex-osmbin-0.6

Recreate the .idx -filed for a directory in Osmbin version 1.0

• plugin-zip: libosm_osmosis_plugins.zip (Part of Traveling Salesman)
• download: Traveling Salesman on Sourceforge
• documentation: Traveling Salesman - Wiki
• this task can also be run standalong. as java -jar libosm.jar org.openstreetmap.osm.data.osmbin.v1_0.OsmBinV10Reindexer (directory-name)

Option	Description	Valid Values	Default Value
dir	The name of the directory to be reindexed.	Any valid directory-name.	none

--read-osmbin-0.6

Read from a directory in Osmbin version 1.0 -format.

plugin-zip: TravelingSalesman_OsmosisPlugins.zip

download: Traveling Salesman on Sourceforge

Pipe	Description
outPipe.0	Creates an entity stream.

Option	Description	Valid Values	Default Value
dir	The name of the directory to be read from.	Any valid directory-name.	none

--induce-ways-for-turnrestrictions (-iwtt)

Convert all intersections with turn-restrictions from a node into an equivalent number of oneway-streets that can only be traveled as allowed by the turn-restriction. This is meant to be a preprocessing-step for routers that cannot deal with restrictions/cost on graph-nodes.

status: planned task

documentation: in Traveling Salesman Wiki

plugin-zip: TravelingSalesman_OsmosisPlugins.zip

download: Traveling Salesman on Sourceforge

--simplify

The simplify plugin filters to drop some elements in order to simplify the data. Currently it does one extremely crude form of simplification. It drops all nodes apart from the start and end nodes of every way.

• Source code & build script: https://svn.openstreetmap.org/applications/utils/osmosis/plugins/simplify/
• Some more information: README.txt

Pipe	Description
inPipe.0	Consumes an entity stream.
outPipe.0	Produces an entity stream.

The current simplify task takes no options

Database Login Credentials

All database tasks accept a minimum of four arguments, these are:

• authFile
• host
• database
• user
• password
• dbType

If no arguments are passed, then the default values for host, database, user and password apply.

If authFile is supplied, it must point to a properties file with name value pairs specifying host, database, user and password. For example:

host=localhost
database=osm
user=osm
password=mypassword
dbType=postgresql

Note that the properties file doesn't have to contain all parameters, it may contain only the password leaving other parameters to be specified on the command line separately.

Command line arguments override the authFile parameters, which in turn override the default argument values.

Munin Plugin

Together with the --read-replication-lag-Task Osmosis 0.36 contains a munin plugin that graphs the replication lag, that's the time difference between the local state-file and the state of the server.

To enable it, locate the munin files in your distribution. They are located in a subdir named "script/munin/" and follow the following instructions:

1. copy "osm-replication-lag" to "/usr/share/munin/plugins"
2. make "/usr/share/munin/plugins/osm-replication-lag" executable
3. symlink "/usr/share/munin/plugins/osm-replication-lag" to "/etc/munin/plugins"
4. copy "osm-replication.conf" to "/etc/munin/plugin-conf.d"
5. edit "/etc/munin/plugin-conf.d/osm-replication.conf" and set the workingDirectory
6. restart the munin-node