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IDProjectCategoryView StatusDate SubmittedLast Update
0023163Community[OCCT] OCCT:Modeling Algorithmspublic2012-05-19 15:502017-07-27 18:23
ReporterRoman Lygin 
Assigned Tomsv 
PrioritynormalSeverityminor 
StatusassignedResolutionopen 
PlatformAOSLOS VersionL
Product Version[OCCT] 6.5.3 
Target VersionFixed in Version 
Summary0023163: Intersection of tori fails to produce results
DescriptionWhen intersecting two tori GeomAPI_IntSS may either miss part of the possible result or fail to produce result at all. Missing result is usually a circle of radius equal to minor radius of tori lying in the plane perpendicular to tori plane and passing via their locations - see attached screenshot.

Case A:
torus t1 20 5
torus t2 40 0 0 20 5
intersect res t1 t2
# no resulting circle of radius 5 at the intersection of tori, only b-splines

Case B
restore b/surface1_draw s1
restore b/surface2_draw s2
intersection res1 s1 s2
# similar to above - no resulting circle, only b-splines
restore b/comp1.brep c1 - contains points along missing solution

Case C:
restore c/surface1_draw ss1
restore c/surface2_draw ss2
intersection res2 ss1 ss2
# no results
restore c/comp2.brep c2 - contains points along missing solution


Steps To Reproducesee description
TagsNo tags attached.
Test case numberbugs modalg_7 bug23163_1, bug23163_2, bug23163_3
Attached Fileszip file icon tt-intersect.zip (1,846 bytes) 2012-05-19 15:50
png file icon tt-intersect.png (137,064 bytes) 2012-05-19 15:51

- Relationships

-  Notes
(0022563)
Roman Lygin (developer)
2012-12-05 12:03

Team:
Has this bug ever been triaged ? It is in the new state for 6+ months.
Thanks for paying attention to it.
(0022567)
abv (manager)
2012-12-05 12:16

Roman, as you know analysis of Community bugs is lowest priority, unless these are really critical. Please try to find solution yourself it it is important for you. Sorry...
(0068323)
git (administrator)
2017-07-14 17:26

Branch CR23163 has been created by mkv.

SHA-1: 06ac62bf5e656cc2ce72ec47713042b7689d0734


Detailed log of new commits:

Author: mkv
Date: Fri Jul 14 17:25:51 2017 +0300

    Test for 0023163: Intersection of tori fails to produce results
(0068817)
mkv (tester)
2017-07-27 18:23

Dear BugMaster,
problem described in issue is reproduced on current state of OCCT.

- Issue History
Date Modified Username Field Change
2012-05-19 15:50 Roman Lygin New Issue
2012-05-19 15:50 Roman Lygin Assigned To => jgv
2012-05-19 15:50 Roman Lygin File Added: tt-intersect.zip
2012-05-19 15:51 Roman Lygin File Added: tt-intersect.png
2012-12-05 12:03 Roman Lygin Note Added: 0022563
2012-12-05 12:16 abv Note Added: 0022567
2017-07-14 17:26 git Note Added: 0068323
2017-07-14 17:27 mkv Test case number => bugs modalg_7 bug23163_1, bug23163_2, bug23163_3
2017-07-19 17:15 mkv Assigned To jgv => msv
2017-07-19 17:15 mkv Status new => assigned
2017-07-27 18:23 mkv Note Added: 0068817


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