[GRASS-user] Re: How to estimate viewable area from the top of tha mountain...

[Stefan Sylla]

Dear Yasuo,

here a very simple example on how you can perform your task with r.los:

r.los raster.dem out=visible_area coord=3438284,5612918 obs=180


where "raster.dem" is your DEM, "coord" the coordinates of your observation
point and "obs" the height of your viewing position.

Stefan

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