Default alignment of bar is center -> fix examples.

QuLogic · QuLogic · commit f328fe62db0d · 2016-12-10T22:46:34.000-05:00
diff --git a/examples/api/barchart_demo.py b/examples/api/barchart_demo.py
@@ -25,7 +25,7 @@
 # add some text for labels, title and axes ticks
 ax.set_ylabel('Scores')
 ax.set_title('Scores by group and gender')
-ax.set_xticks(ind + width)
+ax.set_xticks(ind + width / 2)
 ax.set_xticklabels(('G1', 'G2', 'G3', 'G4', 'G5'))
 
 ax.legend((rects1[0], rects2[0]), ('Men', 'Women'))
diff --git a/examples/axes_grid/demo_floating_axes.py b/examples/axes_grid/demo_floating_axes.py
@@ -27,7 +27,7 @@ def setup_axes1(fig, rect):
     tr = Affine2D().scale(2, 1).rotate_deg(30)
 
     grid_helper = floating_axes.GridHelperCurveLinear(
-        tr, extremes=(0, 4, 0, 4))
+        tr, extremes=(-0.5, 3.5, 0, 4))
 
     ax1 = floating_axes.FloatingSubplot(fig, rect, grid_helper=grid_helper)
     fig.add_subplot(ax1)
diff --git a/examples/pylab_examples/bar_stacked.py b/examples/pylab_examples/bar_stacked.py
@@ -17,7 +17,7 @@
 
 plt.ylabel('Scores')
 plt.title('Scores by group and gender')
-plt.xticks(ind + width/2., ('G1', 'G2', 'G3', 'G4', 'G5'))
+plt.xticks(ind, ('G1', 'G2', 'G3', 'G4', 'G5'))
 plt.yticks(np.arange(0, 81, 10))
 plt.legend((p1[0], p2[0]), ('Men', 'Women'))
 
diff --git a/examples/pylab_examples/barchart_demo.py b/examples/pylab_examples/barchart_demo.py
@@ -38,7 +38,7 @@
 plt.xlabel('Group')
 plt.ylabel('Scores')
 plt.title('Scores by group and gender')
-plt.xticks(index + bar_width, ('A', 'B', 'C', 'D', 'E'))
+plt.xticks(index + bar_width / 2, ('A', 'B', 'C', 'D', 'E'))
 plt.legend()
 
 plt.tight_layout()
diff --git a/examples/pylab_examples/barchart_demo2.py b/examples/pylab_examples/barchart_demo2.py
@@ -69,7 +69,7 @@ def plot_student_results(student, scores, cohort_size):
     fig.subplots_adjust(left=0.115, right=0.88)
     fig.canvas.set_window_title('Eldorado K-8 Fitness Chart')
 
-    pos = np.arange(len(testNames)) + 0.5  # Center bars on the Y-axis ticks
+    pos = np.arange(len(testNames))
 
     rects = ax1.barh(pos, [scores[k].percentile for k in testNames],
                      align='center',
diff --git a/examples/pylab_examples/custom_ticker1.py b/examples/pylab_examples/custom_ticker1.py
@@ -25,5 +25,5 @@ def millions(x, pos):
 fig, ax = plt.subplots()
 ax.yaxis.set_major_formatter(formatter)
 plt.bar(x, money)
-plt.xticks(x + 0.5, ('Bill', 'Fred', 'Mary', 'Sue'))
+plt.xticks(x, ('Bill', 'Fred', 'Mary', 'Sue'))
 plt.show()
diff --git a/examples/pylab_examples/demo_agg_filter.py b/examples/pylab_examples/demo_agg_filter.py
@@ -283,7 +283,6 @@ def drop_shadow_patches(ax):
     ax.add_artist(shadow)
     shadow.set_zorder(rects1[0].get_zorder() - 0.1)
 
-    ax.set_xlim(ind[0] - 0.5, ind[-1] + 1.5)
     ax.set_ylim(0, 40)
 
     ax.xaxis.set_visible(False)
diff --git a/examples/pylab_examples/log_bar.py b/examples/pylab_examples/log_bar.py
@@ -16,6 +16,7 @@
 for i in range(len(data[0])):
     y = [d[i] for d in data]
     b = plt.bar(x + i * dimw, y, dimw, bottom=0.001)
-plt.xticks(x + w / 2)
+
+plt.xticks(x + dimw / 2, map(str, x))
 
 plt.show()
diff --git a/examples/pylab_examples/system_monitor.py b/examples/pylab_examples/system_monitor.py
@@ -29,14 +29,12 @@ def get_stats(t):
 
 
 pm, pc, pn = plt.bar(ind, get_stats(0))
-centers = ind + 0.5*pm.get_width()
 pm.set_facecolor('r')
 pc.set_facecolor('g')
 pn.set_facecolor('b')
-ax.set_xlim([0.5, 4])
-ax.set_xticks(centers)
-ax.set_ylim([0, 100])
+ax.set_xticks(ind)
 ax.set_xticklabels(['Memory', 'CPU', 'Bandwidth'])
+ax.set_ylim([0, 100])
 ax.set_ylabel('Percent usage')
 ax.set_title('System Monitor')
 
diff --git a/examples/units/bar_unit_demo.py b/examples/units/bar_unit_demo.py
@@ -19,7 +19,7 @@
 p2 = ax.bar(ind + width, womenMeans, width, color='y', bottom=0*cm, yerr=womenStd)
 
 ax.set_title('Scores by group and gender')
-ax.set_xticks(ind + width)
+ax.set_xticks(ind + width / 2)
 ax.set_xticklabels(('G1', 'G2', 'G3', 'G4', 'G5'))
 
 ax.legend((p1[0], p2[0]), ('Men', 'Women'))
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -1922,7 +1922,7 @@ def bar(self, left, height, width=0.8, bottom=None, **kwargs):
             dictionary of kwargs to be passed to errorbar method. *ecolor* and
             *capsize* may be specified here rather than as independent kwargs.
 
-        align : {'edge',  'center'}, optional
+        align : {'center', 'edge'}, optional
             If 'edge', aligns bars by their left edges (for vertical bars) and
             by their bottom edges (for horizontal bars). If 'center', interpret
             the `left` argument as the coordinates of the centers of the bars.
