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POHow to prevent images from appearing on the screen in Matplolib? Python
 

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  1. POHow to prevent images from appearing on the screen in Matplolib? Python
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    <p>I have a quick question I am trying to solve. I have a script that processes about 2000 files, generates images and saves images to either PDF or image format. But I am not able to prevent images from appearing on the screen. I read and researched but couldn't solve my problem. I assume there is something wrong with my backend set up in Matplotlib. But I am not an expert in that. I tried using matplotlib.use('Agg') as stated on the website but it didnt help. So, if you could help me figure out whats going on wrong I d appreciate that. Thanks a lot!</p> <p>System: Ubuntu 13.04 Matplotlib: 1.2.1 Python 2.7.4</p> <p>Here is how importing part of my script looks:</p> <pre><code>from matplotlib.backends.backend_pdf import PdfPages import matplotlib matplotlib.use('Agg') import matplotlib.pyplot as plt from matplotlib.ticker import MultipleLocator, AutoMinorLocator, ScalarFormatter from pylab import * </code></pre> <p>EDIT: posting more code. It's just a part of it. I have a function:</p> <pre><code>def plot_vi(t, s1, s2, s3, charttitle, chartnote, celllocation, filename): fig = plt.figure(figsize=(16, 12)) ax1 = fig.add_subplot(111) l1, = ax1.plot(t, s1, 'r-', linewidth=0.7) l2, = ax1.plot(t, s3, '-', linewidth=0.7, color='#00ff00') ax1.set_xlabel('Test Time (hours)') # Make the y-axis label and tick labels match the line color. ax1.set_ylabel('Voltage (Volts)', color='r') for tl in ax1.get_yticklabels(): tl.set_color('r') ax2 = ax1.twinx() l3, = ax2.plot(t, s2, 'b-', linewidth=0.7) ax2.set_ylabel('Current (Amps)', color='b') for tl in ax2.get_yticklabels(): tl.set_color('b') minorLocator = AutoMinorLocator() ax2.xaxis.set_minor_locator(minorLocator) majorLocator = MultipleLocator(1) minorLocator = MultipleLocator(0.2) ax2.yaxis.set_major_locator(majorLocator) ax2.yaxis.set_minor_locator(minorLocator) majorLocator = MultipleLocator(0.1) minorLocator = MultipleLocator(0.02) ax1.yaxis.set_major_locator(majorLocator) ax1.yaxis.set_minor_locator(minorLocator) ax1.xaxis.grid(color='gray') ax1.yaxis.grid(color='gray') lgd = legend([l1, l3, l2], ['voltage', 'current', 'auxiliary'], bbox_to_anchor=(1.05, 1), loc=2) title(charttitle, fontsize=16) figtext(0.01, 0.027, chartnote, color='#707070') figtext(0.01, 0.01, celllocation, color='#707070') fig.subplots_adjust(right=0.85) plt.savefig(filename, dpi=100)plot_vi(t, s1, s2, s3, ChartTitle, ChartNote, CellLocation, PLOTFILENAME) plt.savefig(pp, format='pdf') </code></pre> <p>Then I ran that function:</p> <pre><code> plot_vi(t, s1, s2, s3, ChartTitle, ChartNote, CellLocation, PLOTFILENAME) plt.savefig(pp, format='pdf') </code></pre>
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      1. POHow to prevent images from appearing on the screen in Matplolib? Python
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    1. COThe images appear on the screen momentarily and disappear quickly, or they appear and stay?
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    2. COThey stay forever. I have to manually close them.
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    3. COCheck out my answer below; it may help.
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      1. USCody Piersall
 

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