[GRASSLIST:63] Re: how to load data into d.vect.thematic ?

Hamish hamish_nospam at yahoo.com
Mon Mar 13 20:08:25 EST 2006


> I have tried to use d.vect.thematic, but I ran into a few problems.
> I load my data in with:
> 
>         cat grass.in | v.in.ascii out=mypoints3 x=2 y=1 cat=3
>         columns='cat int, x double, y double'
> 
> I can draw the vector mypoints3 without any problems. But when I try
> to display this vector with:
> 
>    d.vect.thematic map=mypoints3 type=point column=cat
>         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=x0
> 
> I get the ERROR: No such column [cat].
> Could some one please tell me how to read the data in so that it can
> be used with d.vect.thematic.


v.info -c mypoints3


"cat" column there?

Hamish




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