Question on curveto command

Thread View: comp.lang.postscript

2 messages

[T] Back to Threads [V] Tree View [G] Group Articles

2 total messages Started by lim Wed, 04 Nov 1992 22:46

#145

Author: lim
Date: Wed, 04 Nov 1992 22:46

10 lines
746 bytes

Does the curveto command use cubic B-splines? Thanks in advance.


Jonathan Lim
lim@cs.umass.edu
--------------------------------------------------------------------------------
             Jonathan Lim          Computer Vision Research Group
           lim@cs.umass.edu    University of Massachusetts at Amherst
--------------------------------------------------------------------------------

Re: Question on curveto command

#3966

Author: Scott Cunningham
Date: Thu, 05 Nov 1992 05:12

19 lines
1161 bytes

In article <55766@dime.cs.umass.edu> lim@cs.umass.edu writes:
 "
 "Does the curveto command use cubic B-splines? Thanks in advance.
 "
 "
 "Jonathan Lim
 "lim@cs.umass.edu

No, curveto uses Bezier cubic curves derived from a pair of parametric cubic  
equasions.

	x(t) = at^3 + bt^2 + ct + x
	y(t) = at^3 + bt^2 + ct + y

________________________________________________________________________
Scott Cunningham \ We're the NSA                                        \
Username: flagg  \ So your the ones I hear on the other end of my phone \
                 \ No, that's the FBI                                   \
-------------------------------------------------------------------------

Thread Navigation

This is a paginated view of messages in the thread with full content displayed inline.

Messages are displayed in chronological order, with the original post highlighted in green.

Use pagination controls to navigate through all messages in large threads.

Back to All Threads