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0025798Community[OCCT] OCCT:Modeling Algorithmspublic2015-02-06 12:422020-09-14 22:56
Markus 
msv 
normalminor 
newopen 
WindowsVC++ 201032 bit
[OCCT] 6.7.1 
[OCCT] 7.6.0* 
bugs modalg_7 bug25798
0025798: BRepFeat_SplitShape returns invalid result
For the appended case BRepFeat_SplitShape returns an invalid result.
The problem can be fixed by fixshape command.

Output of checkshape for the result of BRepFeat_SplitShape:
Draw[163]> checkshape r
 **** probleme de SameParameter au point :
         138.440245989498 4.80797485827721 94.119065519402
   Erreur detectee :9.33966118487734e-006 Tolerance :5e-006
 **** probleme de SameParameter au point :
         138.440245989498 4.80797485827721 94.119065519402
   Erreur detectee :9.33966118487734e-006 Tolerance :5e-006
On Shape faulty_1 :
BRepCheck_UnorientableShape
Shape faulty_2 on shape faulty_1 :
BRepCheck_InvalidCurveOnSurface
BRepCheck_InvalidSameParameterFlag
On Shape faulty_3 :
BRepCheck_UnorientableShape
Shape faulty_2 on shape faulty_3 :
BRepCheck_InvalidCurveOnSurface
BRepCheck_InvalidSameParameterFlag
restore Pump2.brep p

explode p

checkshape p

whatis r_1

renamevar p_1 f

checkshape f

explode f

splitshape r f_4 f_4 p_5

whatis r

checkshape r
No tags attached.
? Pump2.brep (394,499) 2015-02-06 12:42
https://tracker.dev.opencascade.org/
png invalid shell in Draw.PNG (2,278) 2015-02-06 12:56
https://tracker.dev.opencascade.org/
Issue History
2015-02-06 12:42TimoNew Issue
2015-02-06 12:42TimoAssigned To => msv
2015-02-06 12:42TimoFile Added: Pump2.brep
2015-02-06 12:55TimoDescription Updatedbug_revision_view_page.php?rev_id=9289#r9289
2015-02-06 12:56TimoFile Added: invalid shell in Draw.PNG
2015-04-17 00:02abvTarget Version6.9.0 => 7.1.0
2016-05-31 12:35TimoIssue cloned: 0027553
2016-10-28 17:03msvTarget Version7.1.0 => 7.2.0
2017-05-31 15:39TimoReporterTimo => Markus
2017-07-21 11:16msvTarget Version7.2.0 => 7.3.0
2017-08-08 12:08mkvTest case number => bugs modalg_7 bug25798
2017-08-08 12:08mkvNote Added: 0069197
2017-12-05 17:01msvTarget Version7.3.0 => 7.4.0
2019-08-12 16:43msvTarget Version7.4.0 => 7.5.0
2020-09-14 22:56msvTarget Version7.5.0 => 7.6.0*

Notes
(0069197)
mkv   
2017-08-08 12:08   
Problem described in issue is reproduced on current state of OCCT.