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thinkgeo_sdk_elevation [2019/02/15 16:45] benbai created |
thinkgeo_sdk_elevation [2019/04/29 15:44] (current) brianr [ThinkGeo Elevation Data] |
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======ThinkGeo Elevation Data====== | ======ThinkGeo Elevation Data====== | ||
- | ThinkGeo Elevation Data is composed of Multiple DEM data with the total size of 222G. | + | ThinkGeo Elevation Data is composed of DEM data with the total size of 222 GB. |
=====Data Source===== | =====Data Source===== | ||
ThinkGeo Elevation data comes from the following 2 sources: | ThinkGeo Elevation data comes from the following 2 sources: | ||
- | * SRTM Plus V3. It covers the entire world except for the northernmost latitudes or Antarctica, at a resolution of 1 arc-second (30 meters). Here is the [[https://www2.jpl.nasa.gov/srtm/images/SRTM_2-24-2016.gif|Coverage Map]]. | + | * SRTM Plus V3 which covers the entire world except for the northernmost latitudes or Antarctica, at a resolution of 1 arc-second (30 meters). Here is the [[https://www2.jpl.nasa.gov/srtm/images/SRTM_2-24-2016.gif|Coverage Map]]. |
* 3DEP. It covers the United States, at a resolution of 1/3 arc-second (10 meters) | * 3DEP. It covers the United States, at a resolution of 1/3 arc-second (10 meters) | ||