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

[PostGIS]

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

Comment (by dustymugs):

 Distance is two pixels left, right, up, down from the pixel of interest...

 {{{
 2 2 2 2 2
 2 1 1 1 2
 2 1 0 1 2
 2 1 1 1 2
 2 2 2 2 2
 }}}

 So the distance x/y are correct. As for that error message, I'll need to
 dig.

--
Ticket URL: <https://trac.osgeo.org/postgis/ticket/2603#comment:11>
PostGIS <http://trac.osgeo.org/postgis/>
The PostGIS Trac is used for bug, enhancement & task tracking, a user and developer wiki, and a view into the subversion code repository of PostGIS project.