It appears that you haven't gotten any response to this yet. A colleague of mine claims to have C code which will do this (I've seen example output, but have not used the routines). I'm guessing that it's no easy task in DX without help from external code. If you don't get any better help from others, maybe I could try to get this code for you.
On Apr 18, 3:56pm, [EMAIL PROTECTED] wrote: > Subject: [opendx-users] question about using map module > Thank you to Chris Pelkie for helping me with the color mapping question. > Now I have another. > > I'm trying to overlay a map of the United States onto a gridded contoured > two dimensional representation of my data concentrations and I only want to > keep those gridded data which are within the state boundaries. I've tried > using the mapping module, and it doesn't work. Any help would be > appreciated. > > Thank you, > Michael Rizzo > >-- End of excerpt from [EMAIL PROTECTED]
