[postgis-tickets] [PostGIS] #2603: [raster] Add docs for ST_MapAlgebra with mask parameter

[PostGIS]

#2603: [raster] Add docs for ST_MapAlgebra with mask parameter
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  Reporter:  dustymugs  |      Owner:  dustymugs
      Type:  task       |     Status:  new
  Priority:  critical   |  Milestone:  PostGIS 2.2.0
 Component:  raster     |    Version:  trunk
Resolution:             |   Keywords:
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Comment (by dustymugs):

 I don't believe it does what that ESRI link does...

 Instead, the mask is used to pull the neighborhood that you want for the
 pixel of interest...

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/2603#comment:5>
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