VARKON Version 1.15 1997-10-24

tform_usrdef - Geometric procedure

Creates a transformation


Description

Creates a user defined transformation. 16 coefficients of an arbitrary 4 by 4 transfomation matrix are supplied as the input.

Syntax

tform_usrdef(id, tmat:attributes);

REF	id;
FLOAT	tmat(4,4);

Principal parameters

id	- Local identity
tmat	- 4 by 4 transformation matrix

Optional parameters

None.

Attributes

PEN	- Pen or colour number
LEVEL	- Level number
BLANK	- Visible(0) or invisible(1)