[GRASS-user] SQL Error using "v.color"

Hamish hamish_b at yahoo.com
Sun Dec 19 16:43:56 EST 2010

> Hi Micha, To follow up on my problem and your fix, I am no longer
> getting the error message i used to get. When i look at the attribute
> table, however, the RGB_column variable (which i named `hc2' in my
> example) -- created by v.colors -- has a lot of missing values. Do
> you have an idea why this is the case?

one thing to try is to remove the hc2 column (v.db.dropcol) and try again.
what does v.univar say about the numerical column?



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