Adjust faces

Description: 5 minutes; Lab exercise: 20 min

Repair poor connections between surfaces and improve the smooth tangent connection between faces with the new command Adjust Faces.

Adjust Faces works in two different modes along an edge: One face and Both faces.

If only one face along a selected edge is modifiable, the surface corresponding to this face will inherit the tangent plane of the adjacent face. Only one face is trimmed along the boundary edge.

If both faces attached to an edge are allowed to be changed, the corresponding surfaces are modified simultaneously to improve the continuity of the tangency.

Select all the edges in the area that you wish to be smoothed.  This should give a better result than selecting only one edge. If problems occur, they may be related to one specific surface. In this case, reduce the number of edges for a better result.

When Adjust Faces is used with face parts, a new part containing the modified surfaces is created and the original part is unchanged.

When Adjust Faces is used with solid parts, the system tries to integrate the new surface into the existing part using the Align function (Modify 3D).  If the integration is not possible, the system creates a new part.

Limitations

 

Lab exercise

These exercises provides hands-on experience using the new Adjust Faces command in OneSpace Designer Modeling 2005.

Prerequisites

Adjust faces 

  1. Start Designer Modeling and load the adjust_face.pkg file.
  2. Click Surfacing .
  3. Click Adjust Faces in the Modify section.

  1. Select three edges surrounding the large red section in the middle of the model. The feedback lines show you what the range of the surface to be modified will be.

  1. Click Range and type 0.5. The feedback lines will move to show a new area for modification.
  2. In order to keep a face unmodified and adjust the other faces to it, click Keep Faces and click the face to be left unchanged. The feedback line will disappear.

  1. In order to change the range of one face and keep the range of all the other faces the same, click Change Range. Then, select an edge. Select a face. Type a value in the second Range field. The new range is local and will apply only to the selected face.

A global range change will overwrite a local range change.

  1. Click Preview to see the result of the adjustment. You can see that two of the faces are not boundary- trimmed. The surface, or geometry of the face, does not end exactly at the edge.

  1. Use Zebra stripes (selected in the field Type=Zebra stripes) in the Surface Analysis tool to view the tangential connection between the faces.

Here you can see that the zebra stripes do not match up. Before we adjusted the faces, there was an unsmooth connection between faces.

Here you can see the connection between three faces. Because the stripes meet one another we know that the connection is smooth and tangential.

  1. Click to complete the operation.

To learn more about the Zebra stripes tool, go to Zebra stripes analysis.