Ping. Not sure if you missed it first time around or are just that busy. Ryan
On Fri, Mar 26, 2010 at 12:13 PM, Ryan May <rma...@gmail.com> wrote: > Eric, > > I just hit a problem with using quiver with Basemap when when > angles='xy'. Because Basemap's x,y units are in meters, you end up > with angles that are quantized due to floating point truncation > (30000. + 0.001*u = 30000.). Changing to angles='uv' fixes the > problem, but it probably should be automatically scaled, as noted in > the comments: > > elif self.angles == 'xy' or self.scale_units == 'xy': > # We could refine this by calculating eps based on > # the magnitude of U, V relative to that of X, Y, > # to ensure we are always making small shifts in X, Y. > > I managed to fix the problem locally by setting: > > angles, lengths = self._angles_lengths(U, V, eps=0.0001 * > self.XY.max()) > > but I'm not sure if you would want a different fix. If you're happy > with this fix, I'll go ahead an check in. Ryan -- Ryan May Graduate Research Assistant School of Meteorology University of Oklahoma ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
