Messages from Usenet group comp.lang.idl-pvwave, compiled by Paulo Penteado
In article <1991Feb23.223057.12666@murdoch.acc.Virginia.EDU> gl8f@astsun7.astro.Virginia.EDU (Greg Lindahl) writes: > What's the easiest way to take a rectangular grid done in r,theta > coordinates and contour it in x,y? One way would be to interpolate the > data onto x,y; is there a library routine that does this easily? > > I looked and didn't see one, but I'm new to IDL. anymore is to use CONGRID to change from one coordinate system to the other. I have not yet tried to do this with Version 2 IDL but it looks like you should be able to use POLYWARP. Jayant Murthy Dept. of Physics JHU