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POMatplotlib axes resizing to accommodate text
 

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    <p>I have been attempting to use matplotlib to generate a bar graph like this</p> <p><img src="https://i.imgur.com/sDRAY.png" alt="1"></p> <p>However, note that the number above the black bar exceeds the top axis line. I have tried using <code>ax.relim()</code>, <code>ax.autoscale()</code>, <code>ax.autoscale_view()</code>, to correct this problem, but without success. </p> <p>My question is: is there a way to cleanly get the axis size to account for the size of the text displayed by ax.text, without manually computing the height of the text+rectangle and manually resizing appropriately? </p> <p>I am using Python 2.7.3 and Matplotlib 1.3.x</p> <p>EDIT: </p> <p>Manually resizing the window using the text size information obtained from some renderer hacks solves this problem. The code is given below: </p> <pre><code>#!/usr/bin/env python import matplotlib.pyplot as plt categoryList = ['F', 'L', 'M', 'T', 'W'] categoryColors = {'C': 'y', 'B': 'r', 'F': 'g', 'M': 'b', 'L': 'm', 'T': 'c', 'W': 'k'} categoryNames = {'C': 'foo1', 'B': 'foo2', 'F': 'foo3', 'M': 'foo4', 'L': 'foo5', 'T': 'foo6', 'W': 'foo7'} timeList = [60, 165, 60, 10, 570] fig = plt.figure() ax = fig.add_subplot(111) width = 0.35 legendColors = [] legendNames = [] texts = [] for ind in range(len(categoryList)): category = categoryList[ind] rects = ax.bar([ind],timeList[ind],width,color=categoryColors[category],align="center") legendColors.append(rects[0]) legendNames.append(categoryNames[category]) # Add the text for the number on top of the bar for rect in rects: texts.append(ax.text(rect.get_x()+rect.get_width()/2,1.05*rect.get_height(),'%d' % timeList[ind], ha='center',va='bottom')) # The x axis indices ind = range(0,len(categoryList)) ax.set_ylabel("Time (Minutes)") ax.set_xlabel("Category") ax.set_xticks(ind) ax.set_xticklabels(categoryList) lgd = ax.legend(legendColors,legendNames,bbox_to_anchor=(1.0, 1.0), loc=2, borderaxespad=0.3) # Epic hacks for getting renderer fig.savefig('foo.png',bbox_extra_artists=(lgd,),bbox_inches='tight') renderer = fig.axes[0].get_renderer_cache() window_bbox_list = [t.get_window_extent(renderer) for t in texts] data_bbox_list = [window_bbox.transformed(ax.transData.inverted()) for window_bbox in window_bbox_list] data_coords_list = [data_bbox.extents for data_bbox in data_bbox_list] height_list = [coordEntry[-1] for coordEntry in data_coords_list] max_height = max(height_list) fig.axes[0].set_ylim(top=max_height*1.05) fig.savefig('foo.png',bbox_extra_artists=(lgd,),bbox_inches='tight') </code></pre>
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