[postgis-tickets] [PostGIS] #2597: [raster] St_Grayscale

[PostGIS]

#2597: [raster] St_Grayscale
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 Reporter:  nclay        |       Owner:  pramsey       
     Type:  enhancement  |      Status:  new           
 Priority:  medium       |   Milestone:  PostGIS Future
Component:  postgis      |     Version:  trunk         
 Keywords:               |  
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 Returns a single band gray-scale representation of a RGB or HSV raster.
 ST_Grayscale(raster img, pixeltype default 32BF )

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/2597>
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