[6457] in s-news-athena
modified image function
daemon@ATHENA.MIT.EDU (Pierre Kleiber)
Fri Feb 17 13:10:44 1995
Date: Fri, 17 Feb 95 09:28:01 PST
From: pierre@pooh.UCSD.EDU (Pierre Kleiber)
To: s-news@utstat.toronto.edu
Reply-To: pkleiber@UCSD.EDU
The image function colors a rectangle corresponding to each
element of its input matrix. I'm looking for a modification
which would color only a specified polygonal subarea of each
rectangle. I'd like to have two extra arguments, sax and say,
which would specify the x and y values of the vertices of the
polygons with coordinates between 0 and 1 within the
rectangles. That's a confusing way to put it. What I mean is
that with default values of sax=c(0,0,1,1) and say=c(0,1,1,0),
this new image function would behave as normal, but with
sax=c(0,0,1) and say=c(c,1,1), only an upper left triangle would
be colored.
Has anyone produced such a beast?
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Pierre Kleiber, Ph.D., Fishery Scientist Email: pkleiber@ucsd.edu
National Marine Fisheries Service Tel: 619 546 7076
Box 271, La Jolla, CA 92037-1508 Fax: 619 546 7003
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