[GRASS-user] Raster null values unchanged by r.null

[Veronica Andreo]

Hi Eric,

I've tested with GRASS 7.8.5, NC location, setting null values with the
GUI, refreshing the map display and all works just fine, values set to null
are no longer visible.

What doesn't work for me is removing the null bitmap neither from the GUI
nor the terminal (and it does not work in GRASS 7.8.6 nor in 8.0 - this one
deserves a bug report).

My system:
GRASS version: 7.8.5

Build date: 2021-02-08

Build platform: x86_64-redhat-linux-gnu

GDAL: 3.2.1

PROJ: 7.2.1

GEOS: 3.9.0

SQLite: 3.34.1

Python: 3.9.7

wxPython: 4.0.7


Vero


El jue, 21 oct 2021 a las 22:00, Eric Patton via grass-user (<
grass-user at lists.osgeo.org>) escribió:

> Hi Ken,
>
> This is on a native Grass raster, not through a file linked by r.external.
> It seems to be some problem with the rendering/refreshing in the WXGUI.
>
> ~ Eric.
>
> Sent from ProtonMail for iOS
>
>
> On Wed, Oct 20, 2021 at 6:43 PM, Ken Mankoff <mankoff at gmail.com> wrote:
>
> I think r.null does not work on external (r.external) files. Make sure
> this is not the issue.
>
> Please excuse brevity. Sent from tiny pocket computer with non-haptic
> feedback keyboard.
>
> On Wed, Oct 20, 2021, 07:02 Eric Patton via grass-user <
> grass-user at lists.osgeo.org> wrote:
>
>> I'm encountering some strange behaviour from r.null  - when I use the
>> setnull parameter to assign a particular value to be null in a raster, the
>> raster areas just set to null are still visible and coloured according to
>> their previous values when I refresh the display in the gui map window.
>> Querying these values shows they haven't been set to null.
>>
>> Using version 7.8.5 on Linux Mint. Can anyone confirm?
>>
>> --
>> Eric
>>
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>> grass-user at lists.osgeo.org
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>>
>
>
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