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IDProjectCategoryView StatusDate SubmittedLast Update
0032185Open CASCADE[OCCT] OCCT:Modeling Algorithmspublic2021-03-01 17:082021-03-18 15:16
Reporterasuraven 
Assigned Tomsv 
PrioritynormalSeverityminor 
StatusnewResolutionopen 
PlatformOSOS Version
Product Version[OCCT] 7.6.0* 
Target Version[OCCT] 7.6.0*Fixed in Version 
Summary0032185: Modeling Algorithms - Bad fillet on an internal edge of a revolution
DescriptionIf an external face of the revolution has a degenerated edge, a filleting face has bad limiting edge or too big tolerance.
In branch CR23731_7 a result solid shape has faulty result of the checkshape command. Also "test blend buildevol D6" and "test blend simple H4" failed in branch CR23731_7 failed because of this problem.
Steps To Reproduce
pload MODELING

# 45 deg cone - bad edge
polyline poly1 0 0 10 0 0 0 10 0 0 0 0 10
wire wire1 poly1

# 30 deg cone - edge seems as valid but too big tolerance
#polyline poly1 0 0 10 0 0 0 5 0 0 0 0 10
#wire wire1 poly1

# 90 deg sphere - bad edge
# circle cir 0 0 0 10
# mkedge edge1 cir 0 pi/2
# trotate edge1 0 0 0 1 0 0 90
# polyline poly1 0 0 10 0 0 0 10 0 0
# wire wire1 edge1 poly1

# 60 deg sphere - bad edge
# circle cir -5 0 0 10
# mkedge edge1 cir 0 pi/3
# trotate edge1 0 0 0 1 0 0 90
# polyline poly1 0 0 sqrt(3)/2*10 0 0 0 5 0 0
# wire wire1 edge1 poly1
# erase cir

mkplane plane1 wire1
revol cone1 plane1 0 0 0 0 0 1 270
explode cone1 E
blend fillet_cone cone1 1 cone1_7
explode fillet_cone E
tolsphere fillet_cone_7
tolsphere fillet_cone_5
erase cone1
checkshape fillet_cone
axo; fit
Additional information
and documentation updates
Related tests:
- blend buildevol D6
- blend simple H4
- bugs modalg_1 bug140
TagsNo tags attached.
Test case number
Attached Filespng file icon cone 45deg.png (151,636 bytes) 2021-03-01 17:09
png file icon cone 60deg.png (69,343 bytes) 2021-03-01 17:09

- Relationships
related to 0028685assignedasuraven Open CASCADE Modeling Algorithms - Bad result of evol fillet in the test blend buildevol D6 
related to 0031871assignedasuraven Open CASCADE Modeling Algorithms - Elaborate consistent shape validity criteria 
related to 0000140assignedmsv Open CASCADE Fillet is created incorrectly on attached shape. 

-  Notes
(0099246)
asuraven (developer)
2021-03-01 17:14


- Issue History
Date Modified Username Field Change
2021-03-01 17:08 asuraven New Issue
2021-03-01 17:08 asuraven Assigned To => msv
2021-03-01 17:09 asuraven Summary Bad fillet on an internal edge of a revolution => Modeling Algorithms - Bad fillet on an internal edge of a revolution
2021-03-01 17:09 asuraven File Added: cone 45deg.png
2021-03-01 17:09 asuraven File Added: cone 60deg.png
2021-03-01 17:10 asuraven Additional Information Updated View Revisions
2021-03-01 17:11 asuraven Relationship added related to 0028685
2021-03-01 17:11 asuraven Relationship added related to 0031871
2021-03-01 17:14 asuraven Note Added: 0099246
2021-03-01 17:19 kgv Steps to Reproduce Updated View Revisions
2021-03-01 17:19 kgv Additional Information Updated View Revisions
2021-03-01 17:20 kgv Description Updated View Revisions
2021-03-04 11:51 asuraven Relationship added related to 0023731
2021-03-04 18:19 asuraven Note Added: 0099403
2021-03-04 18:19 asuraven Description Updated View Revisions
2021-03-04 18:19 asuraven Note Deleted: 0099403
2021-03-04 18:24 asuraven Description Updated View Revisions
2021-03-18 15:16 asuraven Additional Information Updated View Revisions
2021-03-18 15:16 asuraven Relationship added related to 0000140


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