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CircuitStudio gets extremly slow with polygon

Hi all,

We've faced a problem while working on bigger PCB and polygon pour:

- PCB has about 2k elements

- 1 polygon on bottom layer connected to GND, solid pour.

When you double click on polygon to edit it it takes 15 minutes on laptop to get the polygon properties window (Dell 7480/i7). After moving to workstation (new Dell XPS i7) it takes 3 minutes!! Task manager shows full load of one core / process

Polygon rebuild takes same time. It's funny because it seems that rebuilding is fast, but accessing polugon's properties takes ages.

e14softwareuk over 7 years ago

This is an issue that we have very occasionally encountered before so we do have a couple of suggestions. Please give these a try and let us know which works for you.

1) Try adjusting the polygon properties, unset the two options shown.

2) Use a hatched polygon with properties set so that it is actually filled, set the track width and grid to the same value (e.g. 1mil).
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tomaszciesla over 7 years ago in reply to e14softwareuk

Hi, thanks for quick reply, but it didn't help.
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e14softwareuk over 7 years ago in reply to tomaszciesla

If you have tried both suggestions then are you able to share the PCB with me, no need to post on forums just directly email?
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tomaszciesla over 7 years ago in reply to e14softwareuk

we can share PCB on email, please pw me or post your email
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adamwebber over 7 years ago

Tomasz,
A long time ago I had a similar problem with Altium. Try deleting your polygon pours completely and then repouring them. On my Altium designs, I had 5 polygon layers and 1 of them was glitchy.
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e14softwareuk over 7 years ago in reply to tomaszciesla

Thanks for sharing. Best solution I can find up to now is delete the polygon and replace with a number of smaller ones (I tried 8 horizontal strips). You can safely overlap to create one large seamless copper area because the polygons are all the same net and set to cover same net objects. This seems to improve things from several minutes to 10 seconds or better.
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e14softwareuk over 7 years ago in reply to e14softwareuk

Another hint that seems to speed up operations considerably to add to the above. If using solid fill try setting the Arc Approximation to a larger value, I tried 0.1mm and this reduced the time from around 10 seconds to under 2 seconds. If using hatched then try using Surround Pads With Octagons rather then Arcs.
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