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(trans point from to [flag])


Translate that point from one coordinate system to another.


This function translates (moves) a point from one to another coordinate system.

The point argument is a 3-D point in list format. The meaning of this argument depends on the setting of flag.

  • The from argument describes the current coordinate system:
Code Coordinate system
0 World coordinate system (WCS).
1 Current user-defined coordinate system (UCS).
2 Display coordinate system ( DCS) of current viewport-with code 0 or 1
  DCS of current model space viewport-with code 3.
3 Paper space DCS.

  • The to argument describes the destination coordinate system, using the same codes as the argument from.
  • The flag argument determines the meaning of point:

Flag Meaning
T 3D displacement.
nil 3D point.

Examples

Code Returns
(setq pt1 (getpoint)) (6.85268 3.94705 0.0)
(trans pt1 0 1) (-2.05459 -4.40897 6.23523)
(trans pt1 0 1 T) (-4.36405 -5.28773 3.94124)

(setq symbol1 statement1 [symbol2 statement2] ...)

LISP Compatibility

Programming Overview of LISP (LISt Processing) Language

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