[Qgis-developer] Lines are invisible in GRASS plugin

[Radim Blazek]

On 9/1/06, qgis at rigacci.org <qgis at rigacci.org> wrote:
> I'm investigating a strange problem, the same QGIS-GRASS plugin
> behave differently on three different machines.
>
> On two machines no problems (just some crashes), on the third
> machine:
>
> I add a GRASS vector layer (lines), the layer is correctly
> displayed.
>
> When I start the Edit GRASS vector layer, the window pops-up, but
> the lines disappear. Also the nodes are invisible.
>
> The plugin is functional: I can add a line and I see the gray
> line untill I close it, then it becomes invisible. When I close
> the Edit plugin, the GRASS layer become visible again and
> contains the new line too.
>
> One more thing: if the GRASS layer is above another layer (say a
> GPX), when I start the Edit plugin, the lines appears just where
> they intersect objects in the under layer.
>
> I include two snapshots (Grass layer is red, GPX is gray):
>
> - Normal:  http://paros.rigacci.org/tmp/qgis-no-edit.jpg
> - Editing: http://paros.rigacci.org/tmp/qgis-grass-edit.jpg

Can you see the lines if you have a polygon from another layer on the
background?
Depends somehow on colors?
Strange in any case.

Radim

> In what direction can I investigate? QT? X-Window? ...?
>
> - I start QGIS standalone, not within the GRASS shell.
> - All the machines are Debian Testing lined up at the same day.
> - The QGIS is a build from SVN, made on 2006-08-31.
> - If I open the GRASS mapset inside GRASS 6.2beta1 (the one used to
>   compile my QGIS) the v.digit works as expected.
> - I tried to increase the line width and change the color into
>   the plugin: nope. The rendering of lines is broken.
>
> --
> Niccolo Rigacci
> Firenze - Italy
>
> Iraq, missione di pace: 41041 morti - www.iraqbodycount.net
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