Thanks, Ill look into the symbology/attribute settings properly. It looked ok 
to me, but I'm a basic user! Ill try copying a layer that works ok and see if 
that works to paste into

Layer just doesn't display, did check the memory usage and seemed ok to me, 
have lots of empty RAM and memory
Thanks

Sent from Outlook for Android<https://aka.ms/AAb9ysg>

________________________________
From: Brent Wood <brent.w...@niwa.co.nz>
Sent: Tuesday, August 19, 2025 1:44:12 am
To: Chiz Harward <c...@urban-archaeology.co.uk>
Cc: qgis-user@lists.osgeo.org <qgis-user@lists.osgeo.org>
Subject: Re: [Qgis-user] Issues rendering after pasting into layers

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@lists.osgeo.org<mailto:qgis-user@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



I work flexibly - so whilst it suits me to email now, I do not expect a 
response or action outside of your own working hours


New book on Minchinhampton Church out April 2025 
https://www.hobnobpress.co.uk/books/p/your-church-newly-built-a-history-of-the-church-of-the-holy-trinity-minchinhampton-gloucestershire-by-chiz-harward

http://urban-archaeology.blogspot.com<http://urban-archaeology.blogspot.com/>

https://www.facebook.com/urb.arch/

http://gloscross-slabs.blogspot.co.uk/

Urban Archaeology

2 Slad View,

Gaineys Well,

Stroud,
Gloucestershire
GL5 1LQ

07881 486837
c...@urban-archaeology.co.uk<mailto:c...@urban-archaeology.co.uk>

Urban Archaeology is a trading name of Chiz Harward BA MCIfA



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Brent Wood
Principal Technician - GIS and Spatial Data Management
+64-4-386-0529
301 Evans Bay Parade Hataitai Wellington New Zealand
Earth Sciences New Zealand
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