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Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
arma3:terrain:heightmap-real-world-data [2017-02-09 06:07] snakeman removed bad info about gz file, added sq km info. |
arma3:terrain:heightmap-real-world-data [2017-04-10 07:20] snakeman added note about srtm online source. |
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**Best online heightmap data?** | **Best online heightmap data?** | ||
- | At the time of writing this page the best heightmap source is **Shuttle Radar Topography Mission (SRTM GL1) Global 30m**. | + | At the time of writing this page the best heightmap source is **Shuttle Radar Topography Mission (SRTM GL1) Global 30m** found from OpenTopography site or from global mapper online sources. |
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+ | **ARC Seconds** | ||
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+ | 1 Arc second is 30 meters\\ | ||
+ | 9 Arc second is 90 meters | ||
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+ | See also [[arma:terrain:dem_resolution|arma terrain DEM resolution]]. | ||
====== OpenTopography ====== | ====== OpenTopography ====== | ||
- | This is very good site to download elevation data, it has nice coverage and nice user interface. | + | This is very good site to download elevation data, it has nice coverage and nice user interface. Remember global mapper online sources includes this same data. |
Go to [[http://opentopo.sdsc.edu/lidar?format=sd|OpenTopography]] web site, click Global Data tab. | Go to [[http://opentopo.sdsc.edu/lidar?format=sd|OpenTopography]] web site, click Global Data tab. |