Ko:JOSM/Guide

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	Start and download OSM data		Basic editing		Advanced editing		Plugins		FAQ
JOSM 가이드에 오신 것을 환영합니다. 이 가이드는 새로운 사용자를 위해 (위쪽) 여러 탭으로 나뉘어 있습니다. 이 글은 독자가 OpenStreetMap에 대한 지식을 전제로 하여 JOSM 사용법을 배우는 것에 초점을 맞춥니다. 따라서 일부 독자는 일반적인 Ko:초보자 길라잡이나 Potlatch 2/Primer나 learnosm.org를 읽는 것이 좋습니다. JOSM 시작하기 1단계: jar 파일 내려받기 : josm-tested.jar 2단계: jar 파일 더블클릭 3단계: 3단계는 없습니다! jar 파일을 꺼리시나요? 이 Java Web 스타트 링크를 대신 클릭하십시오. For operating system specific installation steps or troubleshooting tips see JOSM/Installation. When JOSM starts up, the main editing space displays some text. This can include important announcements, but really we want to see some map data … 데이터 내려받기 다운로드 대화 상자를 열려면 다운로드 도구 버튼()를 클릭하십시오. Slippy map tab of the download dialog Initially the 'slippy map' tab is selected. Slip around the map by dragging with the right mouse button, and zoom using the mouse scrollwheel or by double-clicking. Zoom in on the bit of the map you're interested in editing. Finally, use the left mouse button to drag a box around the area you want to download. You should download an area encompassing the editing you will be doing, but avoid downloading too much map data (the OpenStreetMap server will take a long time to respond, and JOSM may slow down or run out of memory) You probably want to zoom right in close to the maximum zoom level. Pick a handful of streets around the area you are interested in. Start small, because you can download more data as you need it. When you click 'Download', the data should appear in the main editing area. After downloading some data, it may be a good idea to do a validation run on the downloaded data. It is common that this will trigger many warnings or even errors - and it is good to know which errors are in the data before you start editing it. Zooming and Panning Within the main editing area, you can pan around and zoom in and out. Zoom using the mouse scrollwheel. Alternatively use the zoom bar at the top-left or press ctrl+',' and ctrl-'.' To pan around, drag with the right mouse button. Alternatively, you can hold down CTRL and use the arrow keys. If you can't see anything you probably need to zoom out (scroll backwards) until things come back into view. While zooming in you need to point the mouse at the data you wish to zoom towards. Yellow hatching (diagonal lines) indicates areas which are not loaded into JOSM at the moment. You should see a rectangular area with a plain black background. This is area you have downloaded. Within this area (and trailing off the edges of it) you will see the OpenStreetMap data. Download more data Now that JOSM knows where it is, it's quite easy to request a little bit more data to extend the downloaded area. Use the zooming and panning features described above to position the visible area. The rectangular area of the screen which is currently in view, will be the default selected area next time you click the download toolbar button () Try downloading a little bit more data in a second rectangular patch, of about the same size, alongside the area you already downloaded. To do this you will need to zoom in and out until the width of the first downloaded area is about the same as the visible screen width, and then pan off to one side to position the view on some new territory (a patch with yellow hatching), then click download. This time you don't need to do anything within the download dialog. Just click 'OK'. Zoom out a little bit to see the result. Remember, always avoid downloading too much data in one go. Load a local GPX file Above we described using the download dialog 'slippy map' tab to choose an area to download when we first start JOSM. Another approach is to load in a GPX file before downloading data. If you want to do some editing without using GPS traces, skip this section. Here we will assume you have figured out how to get data off your GPS device and into a GPX file (or NMEA file) on your local disk (See Making GPX Tracks) Opening your GPX file is very straightforward. Click 'File' menu → 'Open …' () and choose the file. When JOSM is displaying a GPS trace, you can zoom and pan using the scrollwheel and right mouse button as described above. Now you can follow exactly the same procedure to download some map data alongside your GPS trace. As described in the previous section, position the visible area of the screen, and click the download button to get some data. As always, you should take care to avoid downloading too much data. If your GPS trace is from a short walk, then you might typically download an area encompassing the whole thing, but if it is a longer trace, travelling through a dense complex area of the map (e.g. a car journey driving through a city) then this might be too much data. Instead you should zoom in on just one end of your trace and grab a small rectangular area to start with. Download other people's traces OpenStreetMap has a database which is separate from the main map data, especially for sharing raw GPS data. You can download any raw GPS data which others have contributed in the area you are looking at. This is an additional tickbox option in the 'Download' dialog. Working with other people's traces is not required and often may not be very useful, but it can give a useful indication of how accurate your own trace is, and how existing data has been positioned. Where several traces have been taken along the same road, it may be useful to judge the position of an average line, to reduce the inaccuracies of GPS. As well as viewing other people's traces, you can upload your own. Again this is not required. Switch on aerial imagery as background For example, click the "Imagery" menu and select "Bing". Better imagery might be available for your region. You can find other imagery sources sorted by country under "Imagery", "Image Preferences". Next >> Now you're ready to begin some basic editing.