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IDProjectCategoryView StatusLast Update
0032858CommunityOCCT:Meshpublic2022-03-05 09:19
Reporterlsun02_134045 Assigned Tooan  
PrioritynormalSeverityminor 
Status newResolutionopen 
PlatformWindowsOSVC++ 2015 
Product Version7.6.1 
Summary0032858: wrong mesh result for rendering
Descriptionthere is a narrow planar ring in the stp file. the brepmesh_incremental mesh creates a triangluation of the outer wire, which results a circle instead of a ring after rendering. i am using line defect=0.01, angle=pi/12

if the model is cut into half, some of them have no issue but some have.
Steps To Reproduceif the model is opened with freecad or cadassitant, the issue can then be seen.
TagsNo tags attached.
Test case number

Attached Files

  • hub-left.stp (30,532 bytes)
  • hub-right.stp (30,552 bytes)
  • hub-up.stp (36,986 bytes)
  • hub-down.stp (31,014 bytes)
  • hub.stp (38,098 bytes)
  • result open in cadasstant--with one more circular face in the middle.PNG (669,288 bytes)
  • result open in NX.png (17,868 bytes)

Relationships

related to 0032496 newgka Data Exchange - STEP surface_of_revolution does not display 

Activities

lsun02_134045

2022-02-26 09:55

reporter   ~0107068

hub-left.stp (30,532 bytes)
hub-right.stp (30,552 bytes)
hub-up.stp (36,986 bytes)
hub-down.stp (31,014 bytes)

lsun02_134045

2022-02-26 09:55

reporter   ~0107069

hub.stp (38,098 bytes)
result open in cadasstant--with one more circular face in the middle.PNG (669,288 bytes)
result open in NX.png (17,868 bytes)

lsun02_134045

2022-03-05 09:19

reporter   ~0107191

Reminder sent to: oan

Hi oan,

could you help to have a look at this issue? thanks.

Issue History

Date Modified Username Field Change
2022-02-26 09:50 lsun02_134045 New Issue
2022-02-26 09:50 lsun02_134045 Assigned To => oan
2022-02-26 09:55 lsun02_134045 Note Added: 0107068
2022-02-26 09:55 lsun02_134045 File Added: hub-left.stp
2022-02-26 09:55 lsun02_134045 File Added: hub-right.stp
2022-02-26 09:55 lsun02_134045 File Added: hub-up.stp
2022-02-26 09:55 lsun02_134045 File Added: hub-down.stp
2022-02-26 09:55 lsun02_134045 Note Added: 0107069
2022-02-26 09:55 lsun02_134045 File Added: hub.stp
2022-02-26 09:55 lsun02_134045 File Added: result open in cadasstant--with one more circular face in the middle.PNG
2022-02-26 09:55 lsun02_134045 File Added: result open in NX.png
2022-02-26 10:54 kgv Relationship added related to 0032496
2022-03-05 09:19 lsun02_134045 Note Added: 0107191