[GRASS-user] want to color vector map. What am I doing wrong?

[Michael Barton]

Thanks for the quick reply. Too bad it’s broken but glad it’s not me being very dense.

Michael
______________________________
C. Michael Barton
Director, Center for Social Dynamics & Complexity
Professor of Anthropology, School of Human Evolution & Social Change
Arizona State University
Tempe, AZ  85287-2402
USA

voice:  480-965-6262 (SHESC), 480-965-8130/727-9746 (CSDC)
fax:          480-965-7671(SHESC), 480-727-0709 (CSDC)
www:  http://csdc.asu.edu, http://shesc.asu.edu
http://www.public.asu.edu/~cmbarton

On Dec 3, 2013, at 2:25 PM, Anna Petrášová <kratochanna at gmail.com<mailto:kratochanna at gmail.com>> wrote:

Hi Michael,


On Tue, Dec 3, 2013 at 4:12 PM, Michael Barton <Michael.Barton at asu.edu<mailto:Michael.Barton at asu.edu>> wrote:
I want to color a vector map. I’m just trying it with some test maps from the North Carolina demo set. I used the ‘manage color rules interactively’ dialog in the GUI and am using a version of GRASS 7 compiled on 1 November.

I think it's currently somehow broken due to some other changes in GUI which were not reflected in this dialog. I will try to fix it, probably in the next weeks. I will actually need this functionality, too.


Is there no way to use a character column for colors?

I think it requires numbers but I am not sure if it is the problem of GUI or underlying module (the latter I guess).

Anna

Even when I use a numeric column (e.g., the column “pumpers” in the firestations vector points map), the OK, apply, and preview buttons remain greyed out after I have filled out the table with values and colors. I’ve tried each of the integer values in the column and using the min and max values only. Yes, each of the table lines is checked.
I thought that maybe this only works for area maps. But I have the same problems with them. (I tried the geology map).
Clicking the “add column” button does nothing AFAICT

I also tried the v.colors approach. I was able to do everything (no greyed out buttons). But no colors either.

So what am I doing wrong? Making colored thematic maps is a pretty basic and important function. I didn’t try the thematic map layer because I wanted to do points too and it only does areas.

Michael
______________________________
C. Michael Barton
Director, Center for Social Dynamics & Complexity
Professor of Anthropology, School of Human Evolution & Social Change
Arizona State University
Tempe, AZ  85287-2402
USA

voice:  480-965-6262<tel:480-965-6262> (SHESC), 480-965-8130<tel:480-965-8130>/727-9746 (CSDC)
fax:          480-965-7671<tel:480-965-7671>(SHESC), 480-727-0709<tel:480-727-0709> (CSDC)
www:  http://csdc.asu.edu<http://csdc.asu.edu/>, http://shesc.asu.edu<http://shesc.asu.edu/>
http://www.public.asu.edu/~cmbarton


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