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IDProjectCategoryView StatusDate SubmittedLast Update
0025206CommunityOCCT:Modeling Algorithmspublic2014-09-01 17:102023-08-01 15:08
Reportershoogen Assigned Toifv 
PrioritynormalSeverityminor 
Status newResolutionopen 
PlatformLinuxOSDebian 6.0 
Product Version6.7.1 
Target VersionUnscheduled 
Summary0025206: Fillet creates edge with C0 continuity
DescriptionThe result of the fillet contains faces with C0 continuity, which makes the result unusable for a later operations.
The offending edge has a degree of 9 and the second (or second last) knot has a multiplicity of 9.

part of
dump e8
 -------
Dump of 2 surfaces
 -------

   1 : BSplineSurface urational vrational
  Degrees :2 9
  NbPoles :3 67
  NbKnots :2 9


 VKnots :
   1 : 367.719855980534 10
   2 : 373.287258543889 8
...
   7 : 389.161717280444 8
   8 : 394.02805763465 9 <<<------- C0 continuity
   9 : 400.702594650899 10
Steps To Reproducepload MODELING
restore lampe-1-draw-Fusion.brep Fusion
explode Fusion E
blend Fillet Fusion 25 Fusion_4 25 Fusion_5 25 Fusion_6 25 Fusion_7 25 Fusion_8 25 Fusion_9 25 Fusion_10 25 Fusion_11 25 Fusion_12
explode Fillet E
renamevar Fillet_8 e8
#dump e8
TagsNo tags attached.
Test case numberbugs modalg_7 bug25206

Attached Files

  • lampe-1-draw-Fusion.brep (240,253 bytes)

Activities

shoogen

2014-09-01 17:10

reporter  

lampe-1-draw-Fusion.brep (240,253 bytes)

shoogen

2014-09-24 14:19

reporter   ~0032088

might be affected by CR23547 -> retest

shoogen

2014-09-26 18:42

reporter   ~0032267

Seems that it worked in version 6.3.0

abv

2014-09-26 19:46

manager   ~0032271

It worked in 6.5.0, but 6.6.0 already produces C0 geometry

apv

2017-08-04 10:23

tester   ~0069104

Problem described in issue is reproduced on current state of OCCT.

Issue History

Date Modified Username Field Change
2014-09-01 17:10 shoogen New Issue
2014-09-01 17:10 shoogen Assigned To => ifv
2014-09-01 17:10 shoogen File Added: lampe-1-draw-Fusion.brep
2014-09-11 18:06 abv Target Version => 7.1.0
2014-09-24 14:19 shoogen Note Added: 0032088
2014-09-26 18:42 shoogen Note Added: 0032267
2014-09-26 19:46 abv Note Added: 0032271
2016-10-28 11:54 msv Target Version 7.1.0 => 7.2.0
2017-07-21 11:34 msv Target Version 7.2.0 => 7.3.0
2017-08-04 10:23 apv Test case number => bugs modalg_7 bug25206
2017-08-04 10:23 apv Note Added: 0069104
2017-12-05 17:01 msv Target Version 7.3.0 => 7.4.0
2019-08-12 16:43 msv Target Version 7.4.0 => 7.5.0
2020-09-14 22:56 msv Target Version 7.5.0 => 7.6.0
2021-08-29 18:51 msv Target Version 7.6.0 => 7.7.0
2022-10-24 10:43 szy Target Version 7.7.0 => 7.8.0
2023-08-01 15:08 dpasukhi Target Version 7.8.0 => Unscheduled