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IDProjectCategoryView StatusDate SubmittedLast Update
0028247Community[OCCT] OCCT:Meshpublic2016-12-19 18:372018-02-25 21:14
ReporterMarkus 
Assigned Tooan 
PrioritynormalSeverityminor 
StatusnewResolutionopen 
PlatformOSOS Version
Product Version[OCCT] 7.0.0 
Target Version[OCCT] 7.4.0*Fixed in Version 
Summary0028247: Effect of minSize parameter of BRepMesh_IncrementalMesh seems to be too strong
DescriptionWhen the minSize parameter is used for the appended face, the number of triangles is drastically reduced. According to documentation, MinSize defines the minimal allowed size of mesh element. But the mesh which is created without minSize does not seem to have elements with smaller size. At least, the effect should not be so big here.

The behaviour is similar in 7.1.0.
Steps To Reproducerestore face.brep f
whatis f
pload ALL
tolerance f
tclean f
incmesh f 0.59
trinfo f
# => 4357 triangles
tclean f
incmesh f 0.59 -a 11.45
trinfo f
# => 14412 triangles
tclean f
incmesh f 0.59 -a 11.45 -min 0.035
trinfo f
# => 2830 triangles

TagsNo tags attached.
Test case numberbugs mesh bug28247
Attached Fileszip file icon face.zip (534,550 bytes) 2016-12-19 18:37
png file icon without minSize.png (161,814 bytes) 2016-12-19 18:37
png file icon with minSize.png (191,216 bytes) 2016-12-19 18:38

- Relationships

-  Notes
(0069978)
mkv (tester)
2017-08-28 14:20

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

- Issue History
Date Modified Username Field Change
2016-12-19 18:37 Timo New Issue
2016-12-19 18:37 Timo Assigned To => kgv
2016-12-19 18:37 Timo File Added: face.zip
2016-12-19 18:37 Timo File Added: without minSize.png
2016-12-19 18:38 Timo File Added: with minSize.png
2016-12-19 18:38 kgv Assigned To kgv => msv
2016-12-19 18:38 kgv Category OCCT:Visualization => OCCT:Mesh
2017-01-26 15:07 Timo Assigned To msv => oan
2017-05-31 15:35 Timo Reporter Timo => Markus
2017-07-20 12:43 oan Target Version 7.2.0 => 7.3.0
2017-08-28 14:20 mkv Test case number => bugs mesh bug28247
2017-08-28 14:20 mkv Note Added: 0069978
2018-02-25 21:14 abv Target Version 7.3.0 => 7.4.0*


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