On 29/08/16 17:27, alassane toure wrote:
Group, I am in the process of developing a python/grass code to calculate an attribute value based on other attributes. The following error comes up:NameError: name 'par_sqf' is not defined Here is the code... # some predefined variables ########################### import os import sys import subprocess import shutil import binascii import tempfile import shutil import gdal from gdalconst import * ... ... grass.run_command('v.rast.stats',map='parcel', raster='constr_clean1',method='number',column_prefix='c') grass.run_command('v.db.addcolumn', map='parcel', columns='par_sqf double precision') grass.run_command('v.to.db', map='parcel', option='area', columns='par_sqf', unit='feet') grass.run_command('v.db.addcolumn',map='parcel',columns='pchng int') grass.read_command('v.db.select',map='parcel',columns='c_number') grass.read_command('v.db.select',map='parcel',columns='par_sqf') pchng = range(len(par_sqf))
It seems that you are trying to get the length of a variable par_sqf that is not defined in the code.
Moritz _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
