Merge pull request #280 from nschloe/rotated-ellipse

respect ellipse rotation

Author: nschloe

matplotlib2tikz/patch.py

@@ -124,6 +124,11 @@ def _draw_ellipse(data, obj, draw_options):
         return _draw_circle(data, obj, draw_options)
     x, y = obj.center
     ff = data["float format"]
+
+    if obj.angle != 0:
+        fmt = "rotate around={{" + ff + ":(axis cs:" + ff + "," + ff + ")}}"
+        draw_options.append(fmt.format(obj.angle, x, y))
+
     cont = (
         "\\draw[{}] (axis cs:"
         + ff

test/test_patches.py

@@ -67,3 +67,10 @@ def plot():
 def test():
     assert_equality(plot, __file__[:-3] + "_reference.tex")
     return
+
+
+if __name__ == "__main__":
+    import helpers
+
+    helpers.compare_mpl_latex(plot)
+    # helpers.print_tree(plot())

test/test_patches_reference.tex

@@ -194,7 +194,7 @@
 --(axis cs:0.623952951792111,0.115618395079296)
 --cycle;
 
-\draw[fill=color0,draw opacity=0,fill opacity=0.4] (axis cs:1,0.5) ellipse (0.5 and 0.25);
+\draw[fill=color0,draw opacity=0,fill opacity=0.4,rotate around={45:(axis cs:1,0.5)}] (axis cs:1,0.5) ellipse (0.5 and 0.25);
 \draw[draw=red,fill=red,opacity=0.4] (axis cs:0,1) circle (0.5);
 \end{axis}