The 'sizecol' parameter is proportionate to the radius.
The optional max_ref parameter accepts a list of values that represent the maximum value for each column listed in the values for the parameter columns. These values are used to create a framed bar plot if ctype is bar (See Example 2).
d.vect.chart map=vectmap columns=cens51,cens61,cens71,cens81
g.region rast=erode.index -p r.to.vect -s -v input=erode.index output=erode_index type=area v.extract input=erode_index output=erode_index_ctrds type=centroid d.rast aspect d.vect.chart map=erode_index_ctrds ctype=bar columns=cat \ size=10 max_ref=12 scale=1.5 colors=yellow d.vect erode_index_ctrds icon=basic/circle fcol=black col=black size=5
Last changed: $Date: 2014-01-03 19:28:50 +0100 (Fri, 03 Jan 2014) $