d.vect.thematic map=blue type=area column=cc themetype=graduated_colors themecalc=interval layer=1 icon=basic/circle size=5 maxsize=20 nint=4 colorscheme=blue-red pointcolor=255:0:0 linecolor=0:0:0 startcolor=255:0:0 endcolor=0:0:255 monitor=x1 <div>
<br></div><div> In the help page, it say the column must be numeric,however what does the parameter column stand for?</div><div><br></div><div>The following is the output from the v.report :</div><div><div>Displaying column types/names for database connection of layer 1:</div>
<div>cat|label|area</div><div>31744||2102.07044646547</div><div><br></div><div>The lable seems to be null. </div><div><br></div><div>Can I make a thematic map from more than one vector maps?</div></div>