Applied Erik's right-click backend_bases fix

jdh2358 · jdh2358 · commit ead3aba3b8e0 · 2008-02-13T13:50:29.000Z
svn path=/trunk/matplotlib/; revision=4959
diff --git a/examples/ginput_demo.py b/examples/ginput_demo.py
@@ -2,5 +2,5 @@
 t = arange(10)
 plot(t, sin(t))
 print "Please click"
-ginput(3, verbose=True)
+x = ginput(3, verbose=True)
 show()
diff --git a/examples/lasso_demo.py b/examples/lasso_demo.py
@@ -37,7 +37,7 @@ def __init__(self, ax, data):
 
         facecolors = [d.color for d in data]
         self.xys = [(d.x, d.y) for d in data]
-
+        fig = ax.figure
         self.collection = RegularPolyCollection(
             fig.dpi, 6, sizes=(100,),
             facecolors=facecolors,
@@ -47,6 +47,7 @@ def __init__(self, ax, data):
         ax.add_collection(self.collection)
 
         self.cid = self.canvas.mpl_connect('button_press_event', self.onpress)
+        self.ind = None
 
     def callback(self, verts):
         facecolors = self.collection.get_facecolors()
@@ -60,18 +61,20 @@ def callback(self, verts):
         self.canvas.draw_idle()
         self.canvas.widgetlock.release(self.lasso)
         del self.lasso
-
+        self.ind = ind
     def onpress(self, event):
         if self.canvas.widgetlock.locked(): return
         if event.inaxes is None: return
         self.lasso = Lasso(event.inaxes, (event.xdata, event.ydata), self.callback)
         # acquire a lock on the widget drawing
         self.canvas.widgetlock(self.lasso)
 
-data = [Datum(*xy) for xy in rand(100, 2)]
+if 0:
+
+    data = [Datum(*xy) for xy in rand(100, 2)]
 
-fig = figure()
-ax = fig.add_subplot(111, xlim=(0,1), ylim=(0,1), autoscale_on=False)
-lman = LassoManager(ax, data)
+    fig = figure()
+    ax = fig.add_subplot(111, xlim=(0,1), ylim=(0,1), autoscale_on=False)
+    lman = LassoManager(ax, data)
 
-show()
+    show()
diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
@@ -1556,11 +1556,11 @@ def release_zoom(self, event):
                 if a.get_xscale()=='log':
                     alpha=npy.log(Xmax/Xmin)/npy.log(x1/x0)
                     rx1=pow(Xmin/x0,alpha)*Xmin
-                    x2=pow(Xmax/x0,alpha)*Xmin
+                    rx2=pow(Xmax/x0,alpha)*Xmin
                 else:
                     alpha=(Xmax-Xmin)/(x1-x0)
                     rx1=alpha*(Xmin-x0)+Xmin
-                    x2=alpha*(Xmax-x0)+Xmin
+                    rx2=alpha*(Xmax-x0)+Xmin
                 if a.get_yscale()=='log':
                     alpha=npy.log(Ymax/Ymin)/npy.log(y1/y0)
                     ry1=pow(Ymin/y0,alpha)*Ymin
diff --git a/lib/matplotlib/mlab.py b/lib/matplotlib/mlab.py
@@ -1943,6 +1943,12 @@ def safe_isnan(x):
     except NotImplementedError: return False
     else: return b
 
+def safe_isinf(x):
+    'isnan for arbitrary types'
+    try: b = npy.isinf(x)
+    except NotImplementedError: return False
+    else: return b
+
 
 def rec_append_field(rec, name, arr, dtype=None):
     'return a new record array with field name populated with data from array arr'
