Gouraud Triangle SVG

avinashmnit30 · avinashmnit30 · commit 6b46b8c4520d · 2018-07-14T16:28:42.000-04:00
pcolormesh.svg update
diff --git a/lib/matplotlib/backends/backend_svg.py b/lib/matplotlib/backends/backend_svg.py
@@ -696,6 +696,16 @@ def draw_gouraud_triangle(self, gc, points, colors, trans):
                 values='1 0 0 0 0 \n0 1 0 0 0 \n0 0 1 0 0' +
                        ' \n1 1 1 1 0 \n0 0 0 0 1 ')
             writer.end('filter')
+            # feColorMatrix filter to correct opacity
+            writer.start(
+                'filter',
+                id='colorMat')
+            writer.element(
+                'feColorMatrix',
+                attrib={'type': 'matrix'},
+                values='1 0 0 0 0 \n0 1 0 0 0 \n0 0 1 0 0' +
+                       ' \n1 1 1 1 0 \n0 0 0 0 1 ')
+            writer.end('filter')
 
         avg_color = np.sum(colors[:, :], axis=0) / 3.0
         # Just skip fully-transparent triangles
