HD94345: Visu : The description of " Enable back face culling " option is wrong

APAR status

• Closed as documentation error.

Error description

• Scenario:
  1. Start CATIA V5
  2. Open the CATPart
  3. Select Tools / Options / Display / Performance Tab.
  4. Activate  2 options:
  - For stand-alone faces
  - For faces belonging to solids
  5. Click Offset icon then select Extrude.1.
  >> Notice: Front Side is not displayed.
  6. Refer to the following Documentation: CATIA Infrastructure /
  Customizing / Customizing Settings / General / Display / Perform
  ance / Enable back face culling.
  It is mentioned as follows:
  For stand-alone faces:
  If this option is selected, it avoids redisplay of back sides of
   faces or surfaces.
  ==> The description of this option is wrong.
  ==> This is a problem.
  .
  Additional Information:
  In the CATPart the non-display face is Front side. Therefore, th
  e description of Documentation is not correct.
  .
  Expected Result:
  It should be described that Front sides of faces or surfaces is
  not displayed if this option is selected.
  .
  

Local fix

• empty
  

Problem summary

• Scenario:
  1. Start CATIA V5
  2. Open the CATPart
  3. Select Tools / Options / Display / Performance Tab.
  4. Activate  2 options:
  - For stand-alone faces
  - For faces belonging to solids
  5. Click Offset icon then select Extrude.1.
  >> Notice: Front Side is not displayed.
  6. Refer to the following Documentation: CATIA Infrastructure
  / Customizing / Customizing Settings / General / Display /
  Performance / Enable back face culling.
  It is mentioned as follows:
  For stand-alone faces:
  If this option is selected, it avoids redisplay of back sides
  of faces or surfaces.
  ==> The description of this option is wrong.
  ==> This is a problem.
  .
  Additional Information:
  In the CATPart the non-display face is Front side. Therefore,
  the description of Documentation is not correct.
  .
  Expected Result:
  It should be described that Front sides of faces or surfaces
  is not displayed if this option is selected.
  .
  

Problem conclusion

• THIS MODIFICATION WILL BE INCLUDED IN THE DOCUMENTATION
  DELIVERED WITH CATIA VERSION V5R21
  .
  Additional Closure Information:
  Infrastructure
  Chapter: Customizing :
  Topic: General Settings - Display - Performance
  .
  Documentation after correction : the following information
  has been added:
  "The back side of faces is determined by the OpenGL
  specifications (using the first triangle orientation and the
  normal of the face) and not by the line-of-sight vector of
  the viewpoint. If a face disappears when this option is
  activated, it means that this face is a back side face."
  .
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

Applicable component levels