Hi Andreas On Thu, Jul 9, 2020 at 11:17 AM Andreas Neumann <[email protected]> wrote: > > Working recently extensively with point and line pattern fills, I noticed > that with each pan, the point and line pattern fills in QGIS kind of "jump" > around relatively to their geometry, as if the offset of the pattern was kind > of "random". > > You can see it in this video: https://www.youtube.com/watch?v=V4ytwM59_jY > > Is there any setting so I can avoid this behavior? Or could a QGIS dev with > experience in symbology help fix this issue? I would assume if someone > creates tiles from this, they would also run into issues at tile borders, > because of this.
There is a checkbox to fix that in Project Properties > General tab > General Settings section > Avoid artifacts when project is rendered as map tiles I think by default the patterns start at [0,0] screen coordinates, while this checkbox will anchor patterns at some map coordinate, making the pattern consistent at one map scale. As the checkbox label says, there is supposedly some performance degradation, but not sure by how much. Maybe if the impact is low, it would make sense to have it enabled by default...? Regards Martin _______________________________________________ QGIS-Developer mailing list [email protected] List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
