On 01/03/08 21:53, Michael Barton wrote:
I just tested v.thematic.area and v.class. There still seems to be a
problem with the v.class breaks.
I tried it with fields from Spearfish. I added a column named "area"
with the area of each field.
d.thematic.area [EMAIL PROTECTED] column=area breaks='v.class -g
[EMAIL PROTECTED] column=area algo=int nbcla=5'
colors='blue,red,green,yellow,grey' bwidth=0 bcolor=black render=l
You need to use backticks (`) and not simple quotes (') around the
v.class command.
...colors all fields with the 2nd color, whatever it is. But it will not
use the other colors.
I notice that there is a lot of overlap in the information needed for
v.thematic,area and v.class. It would make this easier to use and much
easier to use in the GUI if we could simple pick algorithm and nbcla
within d.thematic.area instead of having to insert a v.class command
with duplicate info.
I had the feeling that the current scheme better respects the KISS
principle and at the same time left the greatest flexibility. IMHO
combining the two should be done either via a script, or via the GUI.
But if there is demand for adding an algorithm and a nbclasses option to
d.thematic.area, then that shouldn't be too difficult.
Moritz
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