On 2/14/2007 9:06 PM, Haiyong Xu wrote: > Hi there, > > I want to integrate a function over an irregular polygon. Is there > any function which can implement this easily? Otherwise, I am > thinking of divide the polygon into very small rectangles and use > "adapt" to approximate it. Do you have any suggestions to get the > fine division? Any advice is appreciated.
If you can integrate over a triangle, you will soon be able to use gpclib to triangulate the polygon. (The code was already there in C; I wrote an interface to it and Roger Peng has packaged it up to send to CRAN.) Wait for version 1.4 or greater to appear before downloading. Duncan Murdoch ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
