NAME
v.what.rast - Upload raster values at positions of vector points to the table.
SYNOPSIS
v.what.rast
v.what.rast help
v.what.rast vect=string rast=string [field=integer] col=string
Parameters:
- vect=string
- Name of input vector
- rast=string
- Name of existing raster map
- field=integer
- Field value
- Default: 1
- col=string
- Column name (will be updated by raster values)
DESCRIPTION
v.what.rast reads raster value for each point in the vector and updates col
column in vector attribute table by this value. The column should be type
number (integer, float, double, ... ).
If more points have the same category, attribute value is set to NULL.
If raster values is NULL, attribute value is set to NULL.
EXAMPLE
v.what.rast vect=pnt rast=demf col=valf
AUTHOR
Radim Blazek
Last changed: $Date: 2003/05/21 15:29:47 $
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