On Wed, Dec 12, 2007 at 09:20:46AM +0100, Arjen Markus wrote: > Andrew Ross wrote: > > >plvec2 is equivalent to calling plvect with the pltr2 function as the > >pltr. This only affects the location of the vectors, not the direction / > >magnitude. > > > >The only reason for plvec2 etc is that fortran (and several other bindings) > >don't allow you to pass a function name as an argument. They provided a > >limited subset of the possible functionality of plvect. > > > > > Hello Andrew, > > is that the reason for plvec2? Because Fortran, ever since it supported > user-defined > functions, so at least from FORTRAN IV onwards, has supported passing > function names as arguments. There is an important limitation vis-a-vis > the _data_ > that you can pass - that is: no equivalent to (void *) types, but > function names are > no problem at all!
As far as I understand it, this was the issue. Remeber that the function has to be converted to a C function argument that can be passed to the C API of the plplot library, and not just called by other fortran code. Can this be done? Andrew ------------------------------------------------------------------------- SF.Net email is sponsored by: Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Plplot-devel mailing list Plplot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/plplot-devel
