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IDProjectCategoryView StatusDate SubmittedLast Update
0031835Community[OCCT] OCCT:Modeling Algorithmspublic2020-10-10 13:092020-10-24 12:41
ReporterVico Liang 
Assigned Tobugmaster 
PrioritynormalSeverityblock 
StatusverifiedResolutionfixed 
PlatformOSOS Version
Product Version[OCCT] 7.5.0 
Target Version[OCCT] 7.5.0Fixed in Version 
Summary0031835: Modeling Algorithms - step by step Boolean common produces bad shape on given three cylinders
DescriptionThere are three cylinders with same size which are perpendicular with each other.
1. Load the given file three_cylinder.brep there are three cylinders: cylinder1, cylinder2, cylinder3.
2. do boolean common with any two shapes: common1 = cylinder1 x cylinder2
3. do bollean common between common1 and cylinder3.

The final shape is bad from the result view.

It maybe a modeling problem or meshing problem.

Test environment is occt 7.5.0 beta.

It works well in occt 7.4.0.
Steps To Reproduce
pload MODELING VISUALIZATION

# OK
#plane p1    0    0 -200 0 0 1
#plane p2 -200    0    0 1 0 0
#plane p3    0 -200    0 0 1 0
#pcylinder c_1 p1 100 400
#pcylinder c_2 p2 100 400
#pcylinder c_3 p3 100 400

# OK
pcylinder  c_1 100 400
ttranslate c_1 0 0 -200
pcylinder  c_2 100 400
trotate    c_2 0 0 0 1 0 0 90
ttranslate c_2 0 200 0
pcylinder  c_3 100 400
trotate    c_3 0 0 0 0 1 0 90
ttranslate c_3 -200 0 0

# KO
#restore three_cylinder.brep c
#explode c So

# KO
plane p1 -200 2.22044604925033e-14 12.6935294289015 1 -1.11022302462516e-16 0
pcylinder c_1 p1 100 400
plane p2 0 0 -187.306470571099 0 0 1
pcylinder c_2 p2 100 400
plane p3 0 200 12.6935294289015 0 -1 1.11022302462516e-16
pcylinder c_3 p3 100 400

bcommon r12 c_2 c_1
bcommon r123 r12 c_3
incmesh r123 0.1
vclear
vinit View1
vdefaults -autotriang 0
vdisplay -dispMode 1 r123
TagsNo tags attached.
Test case numberbugs/modalg_7/bug31835_1,bug31835_2
Attached Files? file icon three_cylinder.brep (17,130 bytes) 2020-10-10 13:09
jpg file icon three-cylinder.jpg (54,536 bytes) 2020-10-10 13:10
jpg file icon two-cylinder-common.jpg (51,684 bytes) 2020-10-10 13:10
jpg file icon three-cylinder-common.jpg (43,786 bytes) 2020-10-10 13:10
png file icon Clipboard01.png (42,795 bytes) 2020-10-12 09:36
jpg file icon Clipboard02.jpg (21,660 bytes) 2020-10-12 15:31

- Relationships

-  Notes
(0095882)
msv (developer)
2020-10-12 09:30

 Dear Vico, I checked this test on OCCT 7.4.0. It works the same as in 7.5.0beta. Here is the draw script:
restore three_cylinder.brep a
explode a
bcommon r1 a_1 a_2
puts [checkshape r1]
bcommon r r1 a_3
puts [checkshape r]
incmesh r 0.1
tricheck r


Here is the output:
This shape seems to be valid
This shape seems to be valid
cross face errors: {face1, node1, face2, node2, distance} {6 1 12 1 132.74946253594433} {7 1 12 1 106.25607663447413} 
{7 4 12 4 132.74946253594433} {10 1 12 1 106.25607663447413}
free nodes (in pairs: face / node):
{12 2} {12 3} {12 4} {12 5} {12 6} {12 7} {12 8} {12 9} {12 10} {12 11} {12 12} {12 13} {12 14} {12 15} 
{12 16} {12 17} {12 18} {12 19} {12 20} {12 21} {12 22} {12 23} {12 24} {12 25} {12 26} {12 27} {12 28} 
{12 29} {12 30} {12 31} {12 32} {12 33} {12 34} {12 35} {12 36}
Free_links 0 Cross_face_errors 4 Async_edges 0 Free_nodes 35 Small triangles 0


So, it is not a regression issue.
(0095883)
msv (developer)
2020-10-12 09:36

 The script gives no error in the version 7.3.0. However, the visual look of the result is incorrect, too. See the picture Clipboard01.png.
(0095888)
Vico Liang (developer)
2020-10-12 15:21

 The visual look of the result is correct in version 7.4.0, but incorrect in 7.5.0 beta. anyway, this is a bug, right?
(0095889)
msv (developer)
2020-10-12 15:28

 Yes, this is a bug. But on my computer (win64, msvc 2015) the bug is the same on 7.4.0. If it was a regression it would require its urgent fix before issuing the release 7.5.0.
(0095890)
msv (developer)
2020-10-12 15:32

 I have attached the picture Clipboard02.png with the visual result on 7.4.0.
(0095916)
msv (developer)
2020-10-13 09:46

 Dear Vico, on which platform it works well on 7.4.0?
(0095923)
Vico Liang (developer)
2020-10-13 11:10

 Dear msv, I'm running on my desktop with msvc 2017.
(0095926)
msv (developer)
2020-10-13 12:20

 Could you provide the extract of code that calls the operation?
(0095930)
git (administrator)
2020-10-13 14:30

 Branch CR31835 has been created by emv.

SHA-1: f7dbcf7512e2a3f4220b433913f2f96581219e1b


Detailed log of new commits:

Author: emv
Date: Tue Oct 13 14:31:27 2020 +0300

    0031835: Modeling Algorithms - step by step Boolean common produces bad shape on given three cylinders
    
    Fix inconsistency between IntAna_QuadQuadGeo(gp_Cylinder,gp_Cylinder) and AxeOperator::Coplanar().
(0095931)
emv (developer)
2020-10-13 14:35

 I've checked the result in OCCT 7.4.0 built with VS2017, it is similar to the one built with OCCT 7.5.0_beta. The case is not a regression.
(0095933)
git (administrator)
2020-10-13 14:59

 Branch CR31835 has been updated forcibly by emv.

SHA-1: c5779392f6d3138fa443695fd99cf4590b30b6a4
(0095940)
Vico Liang (developer)
2020-10-13 17:30

 Code snippet:
    BRepAlgoAPI_Common aCommonAlgoAPI;
    aCommonAlgoAPI.SetArguments(aArgumentShapes);
    aCommonAlgoAPI.SetTools(aToolShapes);
    aCommonAlgoAPI.SetFuzzyValue(1e-6);
    aCommonAlgoAPI.SetRunParallel(Standard_True);
    aCommonAlgoAPI.SetNonDestructive(Standard_True);
    aCommonAlgoAPI.SetToFillHistory(Standard_False);
    aCommonAlgoAPI.Build();
(0095945)
git (administrator)
2020-10-13 21:35

 Branch CR31835 has been updated forcibly by emv.

SHA-1: df4f95f132b3192eef399285f93b97b4a2044915
(0095949)
emv (developer)
2020-10-14 09:29

 Dear Mikhail, could you please review the git branch CR31835?
Test results - http://jenkins-test-12.nnov.opencascade.com/view/CR31835-master-emv/view/COMPARE/ [^]
(0095954)
msv (developer)
2020-10-14 10:48

 For integration:
occt - CR31835
products - none
(0096033)
bugmaster (administrator)
2020-10-17 13:22

 Combination -
OCCT branch : IR-2020-10-16
master SHA - ae9f4b64cacf0df612944b3694a3bdfa5f1f29cf
a206de37fbfa0bf71bd534ae47192bbec23b8522
Products branch : IR-2020-10-16 SHA - fcb5abe005e152f7f923f4cf6c02acb07c027cdc
was compiled on Linux, MacOS and Windows platforms and tested in optimize mode.

Number of compiler warnings:
No new/fixed warnings

Regressions/Differences/Improvements:
No regressions/differences

CPU differences:
Debian80-64:
OCCT
Total CPU difference: 18027.820000000127 / 18057.130000000117 [-0.16%]
Products
Total CPU difference: 12174.330000000093 / 12182.170000000115 [-0.06%]
Windows-64-VC14:
OCCT
Total CPU difference: 19740.03125 / 19746.828125 [-0.03%]
Products
Total CPU difference: 13564.71875 / 13586.625 [-0.16%]


Image differences :
No differences that require special attention

Memory differences :
No differences that require special attention
(0096225)
git (administrator)
2020-10-24 12:41

 Branch CR31835 has been deleted by inv.

SHA-1: df4f95f132b3192eef399285f93b97b4a2044915

- Related Changesets
occt: master 135c2bd9
Timestamp: 2020-10-13 11:31:27
Author: emv
Committer: bugmaster
[ Details ] [ Diff ] 		0031835: Modeling Algorithms - step by step Boolean common produces bad shape on given three cylinders

Fix inconsistency between IntAna_QuadQuadGeo(gp_Cylinder,gp_Cylinder) and AxeOperator::Coplanar().
mod - src/IntAna/IntAna_QuadQuadGeo.cxx [ Diff ] [ File ]
add - tests/bugs/modalg_7/bug31835_1 [ Diff ] [ File ]
add - tests/bugs/modalg_7/bug31835_2 [ Diff ] [ File ]

- Issue History
Date Modified Username Field Change
2020-10-10 13:09 Vico Liang New Issue
2020-10-10 13:09 Vico Liang Assigned To => msv
2020-10-10 13:09 Vico Liang File Added: three_cylinder.brep
2020-10-10 13:10 Vico Liang File Added: three-cylinder.jpg
2020-10-10 13:10 Vico Liang File Added: two-cylinder-common.jpg
2020-10-10 13:10 Vico Liang File Added: three-cylinder-common.jpg
2020-10-10 13:13 Vico Liang Description Updated View Revisions
2020-10-12 03:53 Vico Liang Severity minor => block
2020-10-12 03:53 Vico Liang Target Version 7.6.0* => 7.5.0
2020-10-12 03:53 Vico Liang Summary step by step boolean common produces bad shape on given three cylinders => regression issue: step by step boolean common produces bad shape on given three cylinders
2020-10-12 03:53 Vico Liang Description Updated View Revisions
2020-10-12 09:30 msv Note Added: 0095882
2020-10-12 09:36 msv Note Added: 0095883
2020-10-12 09:36 msv File Added: Clipboard01.png
2020-10-12 15:21 Vico Liang Note Added: 0095888
2020-10-12 15:28 msv Note Added: 0095889
2020-10-12 15:31 msv File Added: Clipboard02.jpg
2020-10-12 15:32 msv Note Added: 0095890
2020-10-12 17:20 kgv Summary regression issue: step by step boolean common produces bad shape on given three cylinders => [REGRESSION] Modeling Algorithms - step by step Boolean common produces bad shape on given three cylinders
2020-10-12 17:41 kgv Steps to Reproduce Updated View Revisions
2020-10-12 17:42 kgv Steps to Reproduce Updated View Revisions
2020-10-13 09:46 msv Note Added: 0095916
2020-10-13 09:47 msv Assigned To msv => emv
2020-10-13 09:47 msv Status new => assigned
2020-10-13 11:10 Vico Liang Note Added: 0095923
2020-10-13 12:20 msv Note Added: 0095926
2020-10-13 14:30 git Note Added: 0095930
2020-10-13 14:35 emv Note Added: 0095931
2020-10-13 14:35 emv Summary [REGRESSION] Modeling Algorithms - step by step Boolean common produces bad shape on given three cylinders => Modeling Algorithms - step by step Boolean common produces bad shape on given three cylinders
2020-10-13 14:35 emv Steps to Reproduce Updated View Revisions
2020-10-13 14:59 git Note Added: 0095933
2020-10-13 17:30 Vico Liang Note Added: 0095940
2020-10-13 21:35 git Note Added: 0095945
2020-10-14 09:29 emv Note Added: 0095949
2020-10-14 09:29 emv Assigned To emv => msv
2020-10-14 09:29 emv Status assigned => resolved
2020-10-14 10:48 msv Note Added: 0095954
2020-10-14 10:48 msv Assigned To msv => bugmaster
2020-10-14 10:48 msv Status resolved => reviewed
2020-10-17 13:22 bugmaster Note Added: 0096033
2020-10-17 13:22 bugmaster Status reviewed => tested
2020-10-17 13:29 bugmaster Test case number => bugs/modalg_7/bug31835_1,bug31835_2
2020-10-17 13:31 bugmaster Changeset attached => occt master 135c2bd9
2020-10-17 13:31 bugmaster Status tested => verified
2020-10-17 13:31 bugmaster Resolution open => fixed
2020-10-24 12:41 git Note Added: 0096225

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