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0025385Community[OCCT] OCCT:Modeling Algorithmspublic2014-10-16 04:392017-12-05 17:01
Hayashi 
ifv 
normalminor 
newopen 
WindowsVC++ 201032 bit
[OCCT] 6.7.1 
[OCCT] 7.4.0* 
bugs modalg_7 bug25385
0025385: steep increase in tolerance by intersection
By intersection calculation with attached Shell and a plane, tolerance of Vertex increases steeply.

(before) #VERTEX : MAX=0.00050386490251079095
(after) #VERTEX : MAX=3.4852547409221981
pload ALL
restore shell2.brep s
tolerance s

plane p 28.5 0 0 1 0 0 0 1 0
mkface f p
bop s f
bopsection r

tolerance s
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? shell2.brep (447,176) 2014-10-16 04:39
https://tracker.dev.opencascade.org/
Issue History
2014-10-16 04:39HayashiNew Issue
2014-10-16 04:39HayashiAssigned To => ifv
2014-10-16 04:39HayashiFile Added: shell2.brep
2015-04-22 09:44HayashiNote Added: 0040091
2015-04-22 09:46abvTarget Version => 7.1.0
2015-04-24 19:53msvRelationship addedrelated to 0024302
2016-10-28 11:54msvTarget Version7.1.0 => 7.2.0
2017-07-21 11:34msvTarget Version7.2.0 => 7.3.0
2017-08-01 19:21mkvTest case number => bugs modalg_7 bug25385
2017-08-01 19:21mkvNote Added: 0069040
2017-12-05 17:01msvTarget Version7.3.0 => 7.4.0*

Notes
(0040091)
Hayashi   
2015-04-22 09:44   
OCCT 6.9.0 beta also same result.
(0069040)
mkv   
2017-08-01 19:21   
Problem described in issue is reproduced on current state of OCCT.