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| ID | Project | Category | View Status | Date Submitted | Last Update | ||||||||
| 0025956 | Open CASCADE | [OCCT] OCCT:Modeling Algorithms | public | 2015-03-18 06:30 | 2019-10-25 14:16 | ||||||||
| Reporter | pkv | ||||||||||||
| Assigned To | msv | ||||||||||||
| Priority | normal | Severity | minor | ||||||||||
| Status | assigned | Resolution | open | ||||||||||
| Platform | OS | OS Version | |||||||||||
| Product Version | [OCCT] 6.9.0 | ||||||||||||
| Target Version | [OCCT] Unscheduled | Fixed in Version | |||||||||||
| Summary | 0025956: Modeling Algorithms - Wrong result obtained by intersection algorithm. | ||||||||||||
| Description | Wrong result obtained by intersection algorithm. See "expl. picture.PNG" and Steps to Reproduce. | ||||||||||||
| Steps To Reproduce | # Described result is obtained on OCCT 6.9.0 version restore [locate_data_file bug25956-1.brep] b1 restore [locate_data_file bug25956-2.brep] b2 # 1. mksurf s1 b1 mksurf s2 b2 trimv s1 s1 0. 11. trimv s2 s2 0. 12. intersect i s1 s2 #i_1 i_2 - WRONG must be at least three curves (see "expl. picture.PNG"). # 2. #Curves must be split in Point to split (see "expl. picture.PNG"). bopcurves b1 b2 -2d # 3 curve(s) found. - OK #Tolerance Reached=0.0012107008879436209 is too huge. - WRONG # 3. bsection result b1 b2 nbs result #Number of shapes in result # VERTEX : 5 # EDGE : 5 # WIRE : 0 # FACE : 0 # SHELL : 0 # SOLID : 0 # COMPSOLID : 0 # COMPOUND : 1 # SHAPE : 11 Section result (case 3) seems to be valid. | ||||||||||||
| Tags | No tags attached. | ||||||||||||
| Test case number | |||||||||||||
| Attached Files |  case_009.zip (1,312 bytes) 2015-03-18 06:30 expl. picture.PNG (118,202 bytes) 2015-12-08 15:48 | ||||||||||||
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Notes |
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(0048799) nbv (developer) 2015-12-07 15:01 |
Dear Mikhail, The result seems to be valid on the current MASTER. |
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(0048811) msv (developer) 2015-12-07 16:50 |
Dear Nikolay, please create test case(s) for this bug. |
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(0048858) nbv (developer) 2015-12-08 15:54 edited on: 2015-12-08 16:01 |
On the current MASTER (IR-2015-12-04): Problem # 1 is reproduced. Behavior of bopcurves algorithm is as same as the behavior of intersect algorithm (returns two curves only). There is no point in splitting these two curves. Tolerance Reached=3.4656509876706019e-007 (on IR-2015-12-04). I.e. "huge tolerance"-problem has been fixed. Additionally, I believe that there is no point in splitting intersection curves on intersection level. Intersection algorithm must return complete curves, which should be split by high-level algorithms (if it is necessary). On OCCT 6.9.0 this conception works well. |
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(0048865) msv (developer) 2015-12-08 16:16 |
In short, we have the following problems to solve: - Intersection of surfaces must return 3 curves (including the touching curve between the cone and the cylinder). - bopcurves must return 3 curves. - bsection must return compound of 5 edges (3 curves, 2 of which are splitting each other). |
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Notes |
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Issue History |
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| Date Modified | Username | Field | Change |
| 2015-03-18 06:30 | pkv | New Issue | |
| 2015-03-18 06:30 | pkv | Assigned To | => msv |
| 2015-03-18 06:30 | pkv | File Added: case_009.zip | |
| 2015-03-18 06:31 | pkv | Status | new => assigned |
| 2015-03-18 10:34 | msv | Assigned To | msv => nbv |
| 2015-04-17 00:02 | abv | Target Version | 6.9.0 => 7.1.0 |
| 2015-12-07 15:01 | nbv | Note Added: 0048799 | |
| 2015-12-07 15:01 | nbv | Assigned To | nbv => msv |
| 2015-12-07 15:01 | nbv | Status | assigned => feedback |
| 2015-12-07 16:50 | msv | Note Added: 0048811 | |
| 2015-12-07 16:50 | msv | Assigned To | msv => nbv |
| 2015-12-07 16:50 | msv | Status | feedback => assigned |
| 2015-12-08 14:57 | nbv | Steps to Reproduce Updated | View Revisions |
| 2015-12-08 14:59 | nbv | Steps to Reproduce Updated | View Revisions |
| 2015-12-08 15:42 | nbv | Description Updated | View Revisions |
| 2015-12-08 15:42 | nbv | Steps to Reproduce Updated | View Revisions |
| 2015-12-08 15:48 | nbv | File Added: expl. picture.PNG | |
| 2015-12-08 15:50 | nbv | Steps to Reproduce Updated | View Revisions |
| 2015-12-08 15:54 | nbv | Note Added: 0048858 | |
| 2015-12-08 16:01 | nbv | Note Edited: 0048858 | View Revisions |
| 2015-12-08 16:10 | msv | Steps to Reproduce Updated | View Revisions |
| 2015-12-08 16:16 | msv | Note Added: 0048865 | |
| 2016-10-25 19:04 | msv | Target Version | 7.1.0 => 7.2.0 |
| 2017-07-24 09:33 | msv | Target Version | 7.2.0 => 7.3.0 |
| 2017-12-05 17:08 | msv | Target Version | 7.3.0 => 7.4.0 |
| 2018-11-02 10:28 | nbv | Relationship added | related to 0024418 |
| 2019-08-12 19:07 | msv | Assigned To | nbv => |
| 2019-08-12 19:07 | msv | Target Version | 7.4.0 => Unscheduled |
| 2019-09-04 12:12 | kgv | Summary | Wrong result obtained by intersection algorithm. => Modeling Algorithms - Wrong result obtained by intersection algorithm. |
| 2019-10-25 14:16 | abv | Assigned To | => msv |
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Issue History |
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