HC86818: 3D WIRE : IMPOSSIBLE TO PROJECT A SKETCH WHICH CONTAINS POINT AND OTHER ELEMENTS THROUGH THE TREE

APAR status

• Closed as documentation error.

Error description

• Scenario:
  ---------
  1. Open the provided CATPart
  2. Click "Projection"icon.
     The"Projection Definition"window comes out.
  3. Set "Nearest solution" Button at Off
  4. Support = Select "Extrude.1"
  .
  A sketch is Projection separately
   Sketch.2==(Line)
   Sketch.3==(Line+Circle)
   Sketch.4==(Point)
   Sketch.5==(Line+Point)
  .
  5. Projected -->Select "Sketch.2" through the tree
  6.  Click OK
      You get a projection
     Please carry out Sketch.3-5 similarly.
  ===> but the Sketch.5 cannot be chosen in specification
  tree.
  .
  Remarks:
  If sketch.* contains Point and other elements, we cannot
  select that sketch as projected element in tree.
  .
  We have a by-pass as below, but it is not same as "Project
  sketch.5" because this by-pass is "Project 2 elements of
  sketch".
  .
  -1) Two form(Vertex/Sketch.5 , Edge/Sketch.5) is chosen by
  "Geometry Area",pushing the "Ctrl" key, without choosing
  "Tree".
  -2) Click "Projection"icon.
  -3) Support = Sel "Extrude.1"
  -4) Sel "OK".
  .
  

Local fix

Problem summary

• INCIDENT DIAGNOSIS:
  IMPOSSIBLE TO PROJECT A SKETCH WHICH CONTAINS POINT AND OTHER
  ELEMENTS THROUGH THE TREE
  .
  

Problem conclusion

• THIS MODIFICATION WILL BE INCLUDED IN CATIA DOCUMENTATION
  DELIVERED WITH CATIA VERSION 5 RELEASE 8
  
   DOCUMENTATION REFERENCE:
   MANUAL  ===> CATIA Generative Shape Design User's Guide
   CHAPTER ===> Basic Tasks
   PAGE    ===> N/A
  
   MODIFICATION:
  In the "Basic Task" main page, a section has been added about
  the input elements for different commands and especially
  selecting sketches as inputs:
  .
  "When creating a geometric element, you often need to
   select other elements as inputs. When selecting a sketch
   as the input element, some restrictions apply, depending
   on the feature you are creating.
  
   You should avoid selecting self-intersecting sketches
   as well as sketches containing heterogeneous elements
   such as a curve and a point for example.
  
   However, the following elements accept sketches containing
   non connex elements (i.e. prensenting gaps between
   two consecutive elements) as inputs, provided they are of
   the same type (homogeneous, i.e. two curves, or two points):
  
   - Intersections
   - Projections
   - Extruded surfaces
   - Surfaces or revolution
   - Joined surfaces
   - Split surfaces
   - Trimmed surfaces
   - All transformations: translation, rotation, symmetry,
     scaling, affinity and axis to axis
   - Developed wires (Generative Shape Optimizer)"
  .
  

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