51
To: Chris Crook
Cc: qgis-developer@lists.osgeo.org
Subject: Re: [QGIS-Developer] QGIS3: Python QgsFeatureRenderer subclass problem
On 11 February 2018 at 21:07, Chris Crook wrote:
> Hi Nyall
>
> The code is on github ..
>
> https://github.com/ccrook/QGIS-VectorFieldRenderer-P
On 11 February 2018 at 21:07, Chris Crook wrote:
> Hi Nyall
>
> The code is on github ..
>
> https://github.com/ccrook/QGIS-VectorFieldRenderer-Plugin/tree/qgis3_wip
>
> I've documented this in issue 8 at:
>
> https://github.com/ccrook/QGIS-VectorFieldRenderer-Plugin/issues/8
>
> Any thoughts woul
Chris
From: Nyall Dawson [nyall.daw...@gmail.com]
Sent: 08 February 2018 10:53
To: Chris Crook
Cc: qgis-developer@lists.osgeo.org
Subject: Re: [QGIS-Developer] QGIS3: Python QgsFeatureRenderer subclass problem
On 8 February 2018 at 05:44, Chris Crook wrote:
> I am converting a python
Continued: Ok, understand a bit more now. Still not sure where the clone
should be created but if the same renderer is called from more than one thread,
as the first time startRender is called it sets the thread id for the
rendererer, and thereafter cannot be called with a different thread id.
On 8 February 2018 at 05:44, Chris Crook wrote:
> I am converting a python plugin the implements a subclass of
> QgsFeatureRenderer. At the moment the plugin is dying on the startRender
> function with the message (from the base class)
>
> "ASSERT failure in QgsFeatureRenderer::renderFeature:
