Plane Clipping

The Effect->Plane Clipping command in the Model module allows you to cut a polygon mesh object along the x-axis, leaving the object open.

This command also adds control points to a Linear, Bezier, Cardinal, or B-Spline curve along the global intersection plane you specify. For example, if you select the xy plane and specify 3.0 as the z coordinate, control points are added at each location on the curve where the xy plane intersects the curve at that z coordinate.

Note:

This command is not currently implemented for NURBS curves or for patch or NURBS surfaces.

Procedure

Plane Clipping on a Polygon Mesh Object

1. Select a polygon mesh object.
2. Position the object so that the portion you want to cut away is above the cutting plane, which is the global x-axis.
3. Choose the Effect->Plane Clipping command.

The clipping is performed immediately.

Adding Control Points on a Curve

1. Select a curve.
2. Choose the Show->Points command to visualize the intersecting plane along which to you wish to add control points.
3. Choose the Effect->Plane Clipping command.
   
   The Intersection dialogue box is displayed.
   
   
4. Select the intersecting plane (XY, XZ, or YZ).
5. To specify the position for plane clipping in global coordinates, enter a value.
6. Click Ok to apply the settings and exit, or Cancel to exit the box without applying the settings.

Note:

Cardinal and B-Spline curves are converted to Bezier curves as the control points are added.

Last updated 02-apr-1998