OgleEarth posts about Hey, What’s That?, a website that lets you enter a location and then gives you:
- A panorama of what’s visible from that location, marking the position of peak geographic landmarks
- A list of the peaks, and the ability to show their position relative to your location on Google Maps
- Terrain profiles (elevation versus distance from the location to any point on the map)
- A plot all the areas visible from that location in red on Google Maps (aka the “viewshed” or “weapons fan”)
- Contour lines (zoom in for these)
- Google Earth export of position, viewshed, horizon line and horizon extent. If the viewshed area is large, this might strain the memory capacity of lesser systems.
It uses 30-meter SRTM version 1 data for its calculations, so there may be some quirks depending on whether there are holes in the SRTM coverage for your area. They’re switching over to SRTM version 2 soon, which is better but still not perfect. It only works in the US right now, but according to OgleEarth, they hope to expand coverage worldwide. A cool site! Check the OgleEarth posting for more info.
Related posts:
- Congrats To HeyWhatsThat
- New At HeyWhatsThat: Solar Eclipse Simulator, WebApp For iPhone And Android
- Advanced And Animated Viewsheds With MicroDEM
- "I Can See My House From Here": Line-Of-Sight And Viewsheds In MicroDEM
- How Much Sun Does That Spot Get – Plotting Solar "Viewsheds"
- Horizon Terrain Profiles In Google Sky
- The USGS Seamless Data Distribution System
- New "Fixed" Versions Of SRTM-90 Data Available
- US Census Data (And More) Visualization In Google Earth
- Mapping Radio Coverage, And Viewing It In Google Earth
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