Changed Agg Fix

Author: Impaler343

lib/matplotlib/collections.py

@@ -388,10 +388,11 @@ def draw(self, renderer):
         trans = self.get_transforms()
         facecolors = self.get_facecolor()
         edgecolors = self.get_edgecolor()
+        linewidths = np.nan_to_num(self._linewidths, nan=0, posinf=0).clip(0)
         do_single_path_optimization = False
         if (len(paths) == 1 and len(trans) <= 1 and
                 len(facecolors) == 1 and len(edgecolors) == 1 and
-                len(self._linewidths) == 1 and
+                len(linewidths) == 1 and
                 all(ls[1] is None for ls in self._linestyles) and
                 len(self._antialiaseds) == 1 and len(self._urls) == 1 and
                 self.get_hatch() is None):
@@ -412,7 +413,7 @@ def draw(self, renderer):
 
         if do_single_path_optimization:
             gc.set_foreground(tuple(edgecolors[0]))
-            gc.set_linewidth(self._linewidths[0])
+            gc.set_linewidth(linewidths[0])
             gc.set_dashes(*self._linestyles[0])
             gc.set_antialiased(self._antialiaseds[0])
             gc.set_url(self._urls[0])
@@ -433,7 +434,7 @@ def draw(self, renderer):
                     gc, transform.frozen(), [],
                     self.get_transforms(), offsets, offset_trf,
                     self.get_facecolor(), self.get_edgecolor(),
-                    self._linewidths, self._linestyles,
+                    linewidths, self._linestyles,
                     self._antialiaseds, self._urls,
                     "screen", hatchcolors=self.get_hatchcolor()
                 )
@@ -453,7 +454,7 @@ def draw(self, renderer):
                 # First draw paths within the gaps.
                 ipaths, ilinestyles = self._get_inverse_paths_linestyles()
                 args = [offsets, offset_trf, [mcolors.to_rgba("none")], self._gapcolor,
-                        self._linewidths, ilinestyles, self._antialiaseds, self._urls,
+                        linewidths, ilinestyles, self._antialiaseds, self._urls,
                         "screen"]
 
                 if hatchcolors_arg_supported:
@@ -478,7 +479,7 @@ def draw(self, renderer):
                             renderer.draw_path(gc0, path, transform, rgbFace)
 
             args = [offsets, offset_trf, self.get_facecolor(), self.get_edgecolor(),
-                    self._linewidths, self._linestyles, self._antialiaseds, self._urls,
+                    linewidths, self._linestyles, self._antialiaseds, self._urls,
                     "screen"]
 
             if hatchcolors_arg_supported:

src/_backend_agg.h

@@ -981,8 +981,7 @@ inline void RendererAgg::_draw_path_collection_generic(GCAgg &gc,
             gc.color = agg::rgba(edgecolors(ic, 0), edgecolors(ic, 1), edgecolors(ic, 2), edgecolors(ic, 3));
 
             if (Nlinewidths) {
-                double temp_lw = linewidths(i % Nlinewidths);
-                gc.linewidth = (std::isfinite(temp_lw) && temp_lw > 0) ? temp_lw : 0.0;
+                gc.linewidth = linewidths(i % Nlinewidths);
             } else {
                 gc.linewidth = 1.0;
             }