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IFC4RV: MEP export time & runaway pipefitting isolation #58
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Hi Wawan, |
Hi Wawan, I exported the other MEP-model (the model where I couldn't get it exported in IFC4RV within a reasonable time), now with the option "Keep tessellated geometry as triangulation" ticked on. IFC4RV (with "Keep tessellated ..."):
-> So, indeed there is for sure improvement in export time. I also exported it in IFC2x3CV2.0 in order to see if there is also the issue of the runaway ducts.
Did I understand well that for IFC2x3CV2.0 the option "Keep tessellated ..." is obsolete? (It doesn't make any difference if it is selected or not, because this option is not applicable for IFC2x3CV2.0 ?) So, the current commit did improve the export time. I tried to isolate the issue, and it seems to be related to ... the option "Keep tessellated geometry as triangulation":
I attached a sample of the issue (rvt + 2 IFC's: one with and one without the option KTGAT selected) Regards, |
Thanks Dirk,
I will take a look at the runaway issue.
Regards,
Wawan
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From: Dirk Van Rillaer <notifications@github.com>
Sent: Sunday, November 18, 2018 7:58:39 AM
To: Autodesk/revit-ifc
Cc: WawanSolihin; Comment
Subject: Re: [Autodesk/revit-ifc] IFC4RV: MEP export time & runaway pipefitting isolation (#58)
Hi Wawan,
I exported the other MEP-model (the model where I couldn't get it exported in IFC4RV within a reasonable time), now with the option "Keep tessellated geometry as triangulation" ticked on.
IFC4RV (with "Keep tessellated ..."):
* with current commit it takes 25 minutes, but some ducts are now displaced (runaway 'Flex Duct Round', as IfcDuctSegment): its just some of the flex round ducts, not all of them.
* until previous commit it takes 2 hours and 40 minutes (also with the same runaway flexible round ducts)
-> So, indeed there is for sure improvement in export time.
I also exported it in IFC2x3CV2.0 in order to see if there is also the issue of the runaway ducts.
IFC2x3CV2.0 (with "Keep tessellated ..."):
* with current commit it takes 8 minutes, and everything is in place
* until previous commit it takes 8 minutes, and everything is in place
Did I understand well that for IFC2x3CV2.0 the option "Keep tessellated ..." is obsolete? (It doesn't make any difference if it is selected or not, because this option is not applicable for IFC2x3CV2.0 ?)
So, the current commit did improve the export time.
The issue of the runaway of the flexible round ducts seems NOT to be related to the current commit (as regression or something like that).
I tried to isolate the issue, and it seems to be related to ... the option "Keep tessellated geometry as triangulation":
* without the option selected: everything is in place: OK!
* with the option selected: the flex round duct is dislocated: issue.
I attached a sample of the issue (rvt + 2 IFC's: one with and one without the option KTGAT selected)
2018-11-18 IFC4RV runaway flex round ducts.zip<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FAutodesk%2Frevit-ifc%2Ffiles%2F2592393%2F2018-11-18.IFC4RV.runaway.flex.round.ducts.zip&data=02%7C01%7C%7C2f8566b2eef44410181108d64ce898e8%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636780959205580549&sdata=b9Mb8xzUkR%2BE4AUexMq9Z7Xh7cI9BUFkXWwFwOQd6%2Bc%3D&reserved=0>
Regards,
Dirk
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I also noticed the state of the option KTGAT (Keep Tessellated ...) is not saved (which is a pitty if one doesn't notice it, since it makes a world of difference in exporttime): this issue is already posted by andydandy74 #6 |
OK!
|
Hi Dirk,
Sorry I think I missed this question:
“Did I understand well that for IFC2x3CV2.0 the option "Keep tessellated ..." is obsolete? (It doesn't make any difference if it is selected or not, because this option is not applicable for IFC2x3CV2.0 ?)”
The option for tessellated geometry is only applicable to IFC4RV since the tessellated geometry is only introduced in IFC4.
Regards,
Wawan
From: Dirk Van Rillaer <notifications@github.com>
Sent: Sunday, November 18, 2018 7:59 AM
To: Autodesk/revit-ifc <revit-ifc@noreply.github.com>
Cc: WawanSolihin <wsolihin@outlook.com>; Comment <comment@noreply.github.com>
Subject: Re: [Autodesk/revit-ifc] IFC4RV: MEP export time & runaway pipefitting isolation (#58)
Hi Wawan,
I exported the other MEP-model (the model where I couldn't get it exported in IFC4RV within a reasonable time), now with the option "Keep tessellated geometry as triangulation" ticked on.
IFC4RV (with "Keep tessellated ..."):
* with current commit it takes 25 minutes, but some ducts are now displaced (runaway 'Flex Duct Round', as IfcDuctSegment): its just some of the flex round ducts, not all of them.
* until previous commit it takes 2 hours and 40 minutes (also with the same runaway flexible round ducts)
-> So, indeed there is for sure improvement in export time.
I also exported it in IFC2x3CV2.0 in order to see if there is also the issue of the runaway ducts.
IFC2x3CV2.0 (with "Keep tessellated ..."):
* with current commit it takes 8 minutes, and everything is in place
* until previous commit it takes 8 minutes, and everything is in place
Did I understand well that for IFC2x3CV2.0 the option "Keep tessellated ..." is obsolete? (It doesn't make any difference if it is selected or not, because this option is not applicable for IFC2x3CV2.0 ?)
So, the current commit did improve the export time.
The issue of the runaway of the flexible round ducts seems NOT to be related to the current commit (as regression or something like that).
I tried to isolate the issue, and it seems to be related to ... the option "Keep tessellated geometry as triangulation":
* without the option selected: everything is in place: OK!
* with the option selected: the flex round duct is dislocated: issue.
I attached a sample of the issue (rvt + 2 IFC's: one with and one without the option KTGAT selected)
2018-11-18 IFC4RV runaway flex round ducts.zip<https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FAutodesk%2Frevit-ifc%2Ffiles%2F2592393%2F2018-11-18.IFC4RV.runaway.flex.round.ducts.zip&data=02%7C01%7C%7C2f8566b2eef44410181108d64ce898e8%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636780959205580549&sdata=b9Mb8xzUkR%2BE4AUexMq9Z7Xh7cI9BUFkXWwFwOQd6%2Bc%3D&reserved=0>
Regards,
Dirk
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|
Hi Wawan, |
I close this issue, since the pipefitting wasn't an issue after all, and the IFC4RV export time improved by using the option "Keep tessellated geometry as triangulation". |
Oops, I have to reopen it. The other issue (in the middle of this thread) with the runaway flex round duct still exists. IFC4RV1.2
|
… Triangulation" option selected (issue #58)
@WawanSolihin : I can happily confirm that the flex duct remains in place with or without the option KTGAT :-) Thanks, |
… Triangulation" option selected (issue #58)
R2019
exporter: R19.1 & R19-current-DEV-branch-version
issues:
Since the model and exports are too big for uploading at GitHub:
Sample model is downloadable at German Revit User Group https://www.rug-dach.de/download/demodatensaetze.html
Direct link: https://www.rug-dach.de/phocadownload/2018_final/Samples.zip
Within the Samples.zip, it is the model: BIM Projekt Golden Nugget - Gebaeudetechnik (1).rvt
Todo:
IFC 2x3 Coordination View 2.0
IFC 4 Reference View
R19.1 & R19-current-DEV-branch-version
IFC2x3CV2.0: exported in less than 1,5 minute
IFC4RV: 11 minutes
R19.1
IFC2x3CV2.0: a part of the isolation of a pipefitting is not correctly positioned (is rotated)
IFC4RV: same part is now running more away
R19-current-DEV-branch-version
IFC2x3CV2.0: a part of the isolation of a pipefitting is not correctly positioned (is rotated)
IFC4RV: same as IFC2x3: a part of the isolation of a pipefitting is not correctly positioned (is rotated)
Just one pipefitting isolation is marked on the screenshot, but there are several in the model with the same issue.
(In R2018 with exporter 18.4 there are even 10 pipefittings that are not exported at all, and are missing in the export)
Regards,
Dirk
Note: in another MEP model I was not able to export the mechanical system in IFC4RV.
I don't know if this is a related issue with the export time.
Although with IFC2x3 it only took 9 minutes to generate the IFC-model, with IFC4RV there was overnight still no result (something exponential going on?)
The electrical and the plumbing part was not causing any problem.
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