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| ID | Project | Category | View Status | Date Submitted | Last Update | ||||||||
| 0027251 | Community | [OCCT] OCCT:Data Exchange | public | 2016-03-11 13:55 | 2020-09-17 20:02 | ||||||||
| Reporter | Markus | ||||||||||||
| Assigned To | gka | ||||||||||||
| Priority | normal | Severity | minor | ||||||||||
| Status | new | Resolution | open | ||||||||||
| Platform | OS | OS Version | |||||||||||
| Product Version | [OCCT] 7.0.0 | ||||||||||||
| Target Version | [OCCT] 7.6.0* | Fixed in Version | |||||||||||
| Summary | 0027251: Shape becomes invalid when exported to STEP and imported back | ||||||||||||
| Description | Shape before export to STEP is valid, but after import becomes invalid. | ||||||||||||
| Steps To Reproduce | restore cc.brep c whatis c checkshape c stepwrite 0 c c.stp stepread c.stp r * whatis r_1 checkshape r_1 | ||||||||||||
| Tags | No tags attached. | ||||||||||||
| Test case number | bugs step bug27251 | ||||||||||||
| Attached Files |  cc.brep (479,000 bytes) 2016-03-11 13:55 | ||||||||||||
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Notes |
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(0069728) mkv (tester) 2017-08-21 18:17 |
Problem described in issue is reproduced on current state of OCCT. |
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(0083380) Matthias (developer) 2019-04-03 12:09 |
Original shape is non-manifold (corners touch each other). In case the original shape is splitted into two faces, the issue doesn't occur. When importing the STEP-file, are there any repairing mechanisms trying to repair some intersections and can't handle self-intersections due to non-manifold geometry? The issue occurs also with IGES and with Parasolid (via CADExchanger). |
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Notes |
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Issue History |
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| Date Modified | Username | Field | Change |
| 2016-03-11 13:55 | Timo | New Issue | |
| 2016-03-11 13:55 | Timo | Assigned To | => gka |
| 2016-03-11 13:55 | Timo | File Added: cc.brep | |
| 2016-10-26 11:07 | gka | Target Version | 7.1.0 => 7.2.0 |
| 2017-05-31 15:40 | Timo | Reporter | Timo => Markus |
| 2017-07-27 11:15 | abv | Target Version | 7.2.0 => 7.4.0 |
| 2017-08-21 18:17 | mkv | Test case number | => bugs step bug27251 |
| 2017-08-21 18:17 | mkv | Note Added: 0069728 | |
| 2019-04-03 12:09 | Matthias | Note Added: 0083380 | |
| 2019-07-10 22:00 | abv | Target Version | 7.4.0 => 7.5.0 |
| 2020-09-17 20:02 | gka | Target Version | 7.5.0 => 7.6.0* |
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Issue History |
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