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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