Merge remote-tracking branch 'upstream/v1.2.x'

Author: efiring

lib/matplotlib/colorbar.py

@@ -174,6 +174,19 @@
 the axes objects in which the mappable and the colorbar are drawn.  In
 this case, do not use any of the axes properties kwargs.
 
+It is known that some vector graphics viewer (svg and pdf) renders white gaps
+between segments of the colorbar. This is due to bugs in the viewers not
+matplotlib. As a workaround the colorbar can be rendered with overlapping
+segments::
+
+    cbar = colorbar()
+    cbar.solids.set_edgecolor("face")
+    draw()
+
+However this has negative consequences in other circumstances. Particularly with
+semi transparent images (alpha < 1) and colorbar extensions and is not enabled
+by default see (issue #1188).
+
 returns:
     :class:`~matplotlib.colorbar.Colorbar` instance; see also its base class,
     :class:`~matplotlib.colorbar.ColorbarBase`.  Call the

lib/matplotlib/markers.py

@@ -276,7 +276,7 @@ def _half_fill(self):
 
     def _set_circle(self, reduction = 1.0):
         self._transform = Affine2D().scale(0.5 * reduction)
-        self._snap_threshold = 3.0
+        self._snap_threshold = 6.0
         fs = self.get_fillstyle()
         if not self._half_fill():
             self._path = Path.unit_circle()

lib/matplotlib/widgets.py

@@ -841,6 +841,8 @@ def onmove(self, event):
         'on mouse motion draw the cursor if visible'
         if self.ignore(event):
             return
+        if not self.canvas.widgetlock.available(self):
+            return
         if event.inaxes != self.ax:
             self.linev.set_visible(False)
             self.lineh.set_visible(False)
@@ -907,7 +909,8 @@ def __init__(self, canvas, axes, useblit=True, **lineprops):
         if useblit:
             lineprops['animated'] = True
 
-        self.lines = [ax.axvline(xmid, visible=False, **lineprops) for ax in axes]
+        self.lines = [ax.axvline(xmid, visible=False, **lineprops)
+                                                    for ax in axes]
 
         self.visible = True
         self.useblit = useblit
@@ -921,15 +924,20 @@ def __init__(self, canvas, axes, useblit=True, **lineprops):
     def clear(self, event):
         'clear the cursor'
         if self.useblit:
-            self.background = self.canvas.copy_from_bbox(self.canvas.figure.bbox)
-        for line in self.lines: line.set_visible(False)
+            self.background = self.canvas.copy_from_bbox(
+                                            self.canvas.figure.bbox)
+        for line in self.lines:
+            line.set_visible(False)
 
 
     def onmove(self, event):
-        if event.inaxes is None: return
-        if not self.canvas.widgetlock.available(self): return
+        if event.inaxes is None:
+            return
+        if not self.canvas.widgetlock.available(self):
+            return
         self.needclear = True
-        if not self.visible: return
+        if not self.visible:
+            return
 
         for line in self.lines:
             line.set_xdata((event.xdata, event.xdata))

lib/mpl_toolkits/axes_grid/colorbar.py

@@ -144,6 +144,19 @@
 the axes objects in which the mappable and the colorbar are drawn.  In
 this case, do not use any of the axes properties kwargs.
 
+It is known that some vector graphics viewer (svg and pdf) renders white gaps
+between segments of the colorbar. This is due to bugs in the viewers not
+matplotlib. As a workaround the colorbar can be rendered with overlapping
+segments::
+
+    cbar = colorbar()
+    cbar.solids.set_edgecolor("face")
+    draw()
+
+However this has negative consequences in other circumstances. Particularly with
+semi transparent images (alpha < 1) and colorbar extensions and is not enabled
+by default see (issue #1188).
+
 returns:
     :class:`~matplotlib.colorbar.Colorbar` instance; see also its base class,
     :class:`~matplotlib.colorbar.ColorbarBase`.  Call the

lib/mpl_toolkits/axes_grid1/colorbar.py

@@ -144,6 +144,19 @@
 the axes objects in which the mappable and the colorbar are drawn.  In
 this case, do not use any of the axes properties kwargs.
 
+It is known that some vector graphics viewer (svg and pdf) renders white gaps
+between segments of the colorbar. This is due to bugs in the viewers not
+matplotlib. As a workaround the colorbar can be rendered with overlapping
+segments::
+
+    cbar = colorbar()
+    cbar.solids.set_edgecolor("face")
+    draw()
+
+However this has negative consequences in other circumstances. Particularly with
+semi transparent images (alpha < 1) and colorbar extensions and is not enabled
+by default see (issue #1188).
+
 returns:
     :class:`~matplotlib.colorbar.Colorbar` instance; see also its base class,
     :class:`~matplotlib.colorbar.ColorbarBase`.  Call the