coyote: ARCSAMPLE

NAME
ARCSAMPLE
PURPOSE
Given X and Y points that describe a closed curve in 2D space,
this function returns an output curve that is sampled a specified
number of times at approximately equal arc distances.
AUTHOR
FANNING SOFTWARE CONSULTING
David Fanning, Ph.D.
1645 Sheely Drive
Fort Collins, CO 80526 USA
Phone: 970-221-0438
E-mail: david@idlcoyote.com
Coyote's Guide to IDL Programming: http://www.idlcoyote.com
CATEGORY
Utilities
CALLING SEQUENCE
ArcSample, x_in, y_in, x_out, y_out
INPUT_PARAMETERS
x_in:          The input X vector of points.
y_in:          The input Y vector of points.
OUTPUT_PARAMETERS
x_out:          The output X vector of points.
y_out:          The output Y vector of points.
KEYWORDS
POINTS:         The number of points in the output vectors. Default: 50.
PHASE:          A scalar between 0.0 and 1.0, for fine control of where interpolates
                are sampled. Default: 0.0.
MODIFICATION HISTORY
Written by David W. Fanning, 1 December 2003, based on code supplied
   to me by Craig Markwardt.