I forgot to attach the patch. -JJ
On Fri, Jul 25, 2008 at 2:39 AM, Jae-Joon Lee <[EMAIL PROTECTED]> wrote: > Hi, > > While playing a little bit with "custom_projection_example.py", I > found that "plot" command with projection="hammer" plots too many > markers. > > For example, > > subplot(111, projection="hammer") > grid(True) > p = plot([-1, 1, 1], [-1, -1, 1], "o") > show() > > plots more than 100 circles, instead of 3. And I presume that this is > a bug not a feature. > This seems to be because the draw() method of the Line2D class uses > self._transformed_path for plotting Markers, but number of vertices > in the _transformed_path increases in the curved coordinate system as > in the example. > > A patch to fix this is attached. It defines a new property > "self._transformed_path_mark" in the recache() method as follows > > tr = self.get_transform() > self._transformed_path = TransformedPath(self._path, tr) > self._transformed_path_mark = > Path(tr.transform_non_affine(self._path.vertices)) > > > and draw() method uses this for plotting markers. > > tpath, affine = self._transformed_path_mark, \ > self.get_transform().get_affine() > > As I'm not 100% sure about how the transform things work, I may have > missed something. But I got correct results for cases I tried. > So I hope this patch is reviewed and applied. > > Regards, > > -JJ >
mpl_line2d.patch
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