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MP_77508641-Visitor
1-Visitor
September 26, 2022
Question

Unwanted Regen

  • September 26, 2022
  • 3 replies
  • 2042 views

1. MCAD Architect, ME Team depends on my CAD for their models.
2. Creo 7, recently switched from Creo 4
3. We are experiencing unwanted file regeneration.  Files are regenerating without change and are saved.  This seems be happening whenever a part file with a copy geom references another file's publish geom that has more than one quilt.

3 replies

V
VladimirN24-Ruby III
24-Ruby III
September 27, 2022

Have you tried contacting tech support? Link: https://support.ptc.com/apps/cs_loggers/case_logger/auth/ssl/log 

M
MP_77508641-VisitorAuthor
1-Visitor
September 27, 2022

I have tried that.  No luck yet.

tbraxton
tbraxton22-Sapphire II
22-Sapphire II
September 27, 2022

You need to supply more information to have someone here attempt to identify what the problem may be. Have you used the global reference viewer in Creo 4 and Creo 7 on the same set of models? If so, are there any differences indicated with the dependencies?

 

Can you post an example set of models in Creo 4 format that we can test?

M
MP_77508641-VisitorAuthor
1-Visitor
September 28, 2022

Thank you for your attention.  I have used the reference viewer without success.  The issue is happening in Creo 7 and not in Creo 4.  Files created in Creo 4 don't seem to have the issue when opened and/or saved in Creo 7. Below are steps to reproduce the issue:

 

1. Build a file with two quilts
2. Build a publish geom with those two quilts.
3. Build another file with a copy geom referencing that publish.
4. Save the files.
5. Close the files and erase from session.
6. Open the file with the copy geom of the publish.
7. Save the file again.
8. The file should not regen and save because no changes were made.

tbraxton
tbraxton22-Sapphire II
22-Sapphire II
September 29, 2022

I just followed your test protocol in Creo 7.09.  There is no regeneration of the model when retrieved (step 6). The model will save but that is not any different than any other model in Creo 7.

 

I gather that you are expecting a model that has not been modified to not be saved. If I missed something about where a regeneration is occurring with your models, please elaborate.

 

Are you expecting to get a command line message indicating that the part has not changed since last regen and is not saved? Is Windchill in use in this context?

B
BenLoosli23-Emerald III
23-Emerald III
September 27, 2022

Internally the file structure of a part saved in Creo 4 and then opened in Creo 7 will change.  There may be something in the way Creo handles the copy geoms and quilts that Creo thinks there is enough change that it needs regenerated and saved. Normal files do not and they remain at Creo 4 file formatting until the user does an explicit save.

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