Losing geometry
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2020-07-26 06:55 PM - last edited on 2023-05-09 03:50 PM by Rubia Torres
Recently I got an glitch with ARCHICAD modelling.
I created facade with beam profiles (I used those due to the fact, that facade on this building is not regular due to the pointcloud scan. it was the easiest way. You can see what is the problem on screenshots below. I use those profiles to cut shapes in walls (that is also why I didn't use profiled wall for that).
Do you know what can actually cause geometry loss?
Thanks for help in advance.
Karol
ArchiCAD 22/23/24/25/26/27 INT &POL
AMD Ryzen 7 3700X, 128GB RAM, GeForce RTX 3070, Windows 11 Pro
MBP 14 M3 Max 16C/40G, 128GB, 2TB
http://www.bimfaktoria.pl/
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2020-08-03 05:52 AM
I have received your MOD file thanks.
I must say it makes my machine crawl to an almost stop.
Any change takes about a minute to compute.
It certainly seems like a Solid Element Operation problem.
With all those beams overlapping I think it just makes the geometry too complicated to calculate successfully.
If I drag the beams away from the wall it is all good.
Then I started to drag them back a few at a time.
As you can see from this image - so far so good.
But then I drag back the next group of beams and it goes bad again.
So then I tried to simplify where all the beams overlap by shortening them.
As the overlap is inside the window opening, you don't need to have them actually overlap there.
As soon as I adjusted just one (maybe the lucky one) the wall came good again.
I dragged the last group of beams back and the wall disappeared completely.
As soon as I edited a few more beams, the wall came back again.
So try to just clean up where all the beams intersect.
Barry.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
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2020-07-29 09:23 AM
ArchiCAD 22/23/24/25/26/27 INT &POL
AMD Ryzen 7 3700X, 128GB RAM, GeForce RTX 3070, Windows 11 Pro
MBP 14 M3 Max 16C/40G, 128GB, 2TB
http://www.bimfaktoria.pl/
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2020-07-29 09:36 AM
Maybe you could select just those walls and beams and save selection as a module.
Then zip the mod file and attach it here so we can have a look?
Barry.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
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2020-07-29 11:28 AM
I would recommend putting these operators (beams) on a layer with Intersection Group different from the one used for external walls (so they don't interact automatically) and then cut these mouldings with SEO.
I know that this might be heavy for the model, but I believe that complex automatic connections (in your situation wall with several beams) can get a little tricky and for such operations, where you need to 'sculpt' the façade, using SEO's gives you more control.
Especially due to the fact that the intersection between a wall and a beam is based on the collision (not the reference line intersection) it is easy to loose control.
ArchiCAD 26 PL, since AC20 | WIN 10 Home
Intel Core i7-7700HQ 2.8 GHz | 16 GB RAM | NVIDIA GeForce GTX 1060 6 GB | 500 GB SSD
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2020-08-03 05:52 AM
I have received your MOD file thanks.
I must say it makes my machine crawl to an almost stop.
Any change takes about a minute to compute.
It certainly seems like a Solid Element Operation problem.
With all those beams overlapping I think it just makes the geometry too complicated to calculate successfully.
If I drag the beams away from the wall it is all good.
Then I started to drag them back a few at a time.
As you can see from this image - so far so good.
But then I drag back the next group of beams and it goes bad again.
So then I tried to simplify where all the beams overlap by shortening them.
As the overlap is inside the window opening, you don't need to have them actually overlap there.
As soon as I adjusted just one (maybe the lucky one) the wall came good again.
I dragged the last group of beams back and the wall disappeared completely.
As soon as I edited a few more beams, the wall came back again.
So try to just clean up where all the beams intersect.
Barry.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
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2020-08-03 09:12 AM
I will certainly do that.
Any idea how can I optimize this workflow? This wall is like 20% of whole building
Saving beams as gdl?
best,
Karol
ArchiCAD 22/23/24/25/26/27 INT &POL
AMD Ryzen 7 3700X, 128GB RAM, GeForce RTX 3070, Windows 11 Pro
MBP 14 M3 Max 16C/40G, 128GB, 2TB
http://www.bimfaktoria.pl/
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2020-08-03 10:11 AM
Karol wrote:
Any idea how can I optimize this workflow? This wall is like 20% of whole building
Saving beams as gdl?
I am not really sure what would be best as I have never had to deal with anything like this before.
I would certainly tidy the beams up so the intersect cleanly where they need to and remove the unnecessary intersections.
I guess you could just group them to make it easy to copy them around.
I am not sure if there would be any great benefit of saving them as an object as they would still be individual beams - just saved as an single object.
Maybe converting them to a single morph may help as this would unify them into one form.
Actually there is no need to do a Solid Element Operation as long as the beam building materials are stronger than the wall building materials (which they seem to be).
They will cut the wall automatically.
Just position them and hide the layer.
Barry.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
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2020-08-03 11:23 AM
ArchiCAD 26 PL, since AC20 | WIN 10 Home
Intel Core i7-7700HQ 2.8 GHz | 16 GB RAM | NVIDIA GeForce GTX 1060 6 GB | 500 GB SSD
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2020-08-03 02:03 PM
Hope this helps.
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2020-08-04 03:14 AM
Braza wrote:Trussmaker works well but the problem is the members must be rectangular or circular as far a I recall.
Instead of using beams, you could try TrussMaker, and do just one SEO.
Hope this helps.
It is hard to see from the images but these beams are profiled.
Barry.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11