[Qgis-user] Issues rendering after pasting into layers

[oisin.kelly.wild at gmail.com]

Also
- check validity of geometry
- if shp file, try deleting the index .qix and rebuild it (layer_properties)

⁣Oisin


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On 19 Aug 2025, 01:43, at 01:43, Brent Wood via QGIS-User <qgis-user at lists.osgeo.org> wrote:
>Hi Chiz,
>
>Just regarding the polygons failing to show up...
>
>Do you have a symbology on the table that assigns colours to polygons
>based on an attribute value with no default setting?
>If the new polygons have such values which do not exist in the
>symbology setup, that could be why they don't render in that layer.
>
>Is it just immediately after pasting the polygons, or also if you open
>the layer afresh, they still don't display?
>
>I'm still on v3.34 (need to do something about that!) and have not
>expeienced the freezing issue.
>I'm on Linux, but assume you are on Windows but you didn't say.
>
>I'd look at the resources QGIS is using and see if it is just working
>very hard doing something, or is frozen & doing nothing.
>It can appear similar to the user, but they are very different issues.
>
>
>Cheers
>
>Brent Wood
>
>Principal Technician, Fisheries
>NIWA
>DDI:  +64 (4) 3860529
>
>________________________________
>On Mon, 18 Aug 2025 at 20:00, Chiz Harward via QGIS-User
><qgis-user at lists.osgeo.org<mailto:qgis-user at lists.osgeo.org>> wrote:
>Morning,
>Running 3.40.9-Bratislava, small project with a handful of layers.
>
>When copying selected polygons into another polygon layer I am not
>getting the new polygons rendering in the view. The Feature Total of
>the layer goes up, and the nodes appear as red crosses, but there is no
>rendering of the polygons. The layer is at top of the layer bar and
>opacity bar is 100% so is not that
>
>Also getting issues with the view freezing if I uncheck layers and the
>layer does not disappear from view, or the whole view goes blank, or
>cannot pan or zoom
>
>Have restarted QGIS several times and restarted computer. Any
>suggestions appreciated for the rookie error I have made!
>Best wishes
>
>Chiz
>
>
>
>Chiz Harward BA MCIfA he/him
>
>Senior Archaeologist, Urban Archaeology
>
>
>
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>
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>
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>
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>
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>
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>
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>
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>
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>
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>
>
>
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