Identifying row and column location of a raster image using ArcGIS 10.1

The solution already available online gives a python syntax error

ERROR 000989

Python syntax error: Parsing error SyntaxError: invalid syntax (line 1)

when I write

$$rowmap + 1 

in map algebra expression.

Replay

The $$RowMap, $$ColMap, $$XMap and $$YMap variables (and some others) are no longer (directly) supported as of ArcGIS 10.0.

You can use it via python:

arcpy.env.extent = arcpy.Extent(0, 0, 10, 10)  #Change to suit
# Or
arcpy.env.extent = "path to raster"
arcpy.env.cellSize = 1    #Change to suit
arcpy.gp.SingleOutputMapAlgebra_sa("$$ROWMAP + 1"), "output_raster")

See also this answer and this GeoNet post.

Category: arcgis desktop Time: 2016-07-29 Views: 5

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