[postgis-tickets] [PostGIS] #2596: [raster] St_isVisible

[PostGIS]

#2596: [raster] St_isVisible
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 Reporter:  nclay        |       Owner:  dustymugs     
     Type:  enhancement  |      Status:  new           
 Priority:  medium       |   Milestone:  PostGIS Future
Component:  raster       |     Version:  trunk         
 Keywords:               |  
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 This function will return true if the point A --> point B is visible when
 taking, in account the DEM as a surface.

 ST_isVisible(raster DEM, Point A, Point B, bool curvature DEFAULT false)

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2596>
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