[GRASS-user] Null values in attribute table get converted to 0 (zero) during v.to.rast

Veronica Andreo veroandreo at gmail.com
Tue Oct 29 11:39:59 PDT 2019

Hi Daniel,

I agree that if there's a NULL in the column, there should be NULL in the
resulting raster. I suggest to open a ticket here:


El jue., 24 oct. 2019 a las 14:40, Daniel Victoria (<
daniel.victoria at gmail.com>) escribió:

> Hi list,
> I have a vector polygon map that I'm converting to raster. The attribute
> column that I process has some empty rows (no data / null). When I run
> v.to.rast, these empty rows become 0 (zero) on my resulting raster map.
> Shouldn't v.to.rast respect the empty attribute table and create null
> values for those polygons?
> For now I'll use r.null to fix this problem. But what if 0 is a valid
> value?
> Cheers
> Daniel
> PS - Running Grass 7.6.1 on Ubuntu
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