SrfPtGrid

Creates a surface from a grid of specified locations on the surface.

Steps:

1. Type the number of points in each row.

2. Type the number of points in each column.

3. Type the point coordinates.

   Note: You must type the grid control points one at a time and in order. This command is most useful when you have an ordered grid of control points in a text file and use it in conjunction with the ReadCommandFile command.

Options

Closed

Closes the surface in one or both directions. The created surface closes in the direction whose point count is being requested.

Degree

Sets the degree of the surface in the row or column direction. The degree must be at least the number of points in the row or column plus 1.

KeepPoints

If Yes, retains the point objects.

Example

The example is a command file to create an approximate cylinder. To see this example perform, select the following text, copy it, and run the Paste command.

! _SrfPtGrid
_KeepPoints
3
_Closed
6
0,-5,0
4.33,-2.5,0
4.33,2.5,0
0,5,0
-4.33,2.5,0
-4.33,-2.5,0
0,-5,5
4.33,-2.5,5
4.33,2.5,5
0,5,5
-4.33,2.5,5
-4.33,-2.5,5
0,-5,10
4.33,-2.5,10
4.33,2.5,10
0,5,10
-4.33,2.5,10
-4.33,-2.5,10

SrfControlPtGrid

Creates a surface from a grid of specified locations for the surface control points.

Steps:

1. Type the number of control points in each row.

2. Type the number of control points in each column.

3. Type the control point coordinates.

Options

Degree

Sets the degree of the surface in the row or column direction. The degree must be at least the number of points in the row or column plus 1.

KeepPoints

If Yes, retains the point objects.

Undo