Hello --
When I run the following code (heavily adapted from the matplotlib examples):
...
SCHistogram = Figure(figsize=(6,6), dpi=300, facecolor='w') # 6 inches across
(X-axis) by 4 inches tall (Y-axis)
ax = SCHistogram.add_subplot(111)
canvas = FigureCanvas(SCHistogram)
AxisTitleFontProps = FontProperties(size=10, family='serif')
AxisTitleFontProps.set_name('Times')
n, bins, patches = ax.hist(DimensionData)
y = normpdf( bins, self.meanVal, self.stdDev)
line, = ax.plot(bins, y, 'r--')
line.set_linewidth(1)
ax.set_xlabel(self.Description, fontproperties=AxisTitleFontProps)
ax.set_ylabel('Number of Parts' ,fontproperties=AxisTitleFontProps)
ax.set_xlim([x_lowest, x_highest])
ax.plot([self.LCL,self.LCL],[0,max(n)],'b--')
ax.plot([self.Nom,self.Nom],[0,max(n)],'g--')
ax.plot([self.UCL,self.UCL],[0,max(n)],'r--')
.
.
.
AxisTickFontProps = copy.deepcopy(AxisTitleFontProps)
AxisTickFontProps.set_size(7)
canvas.draw()
s = canvas.tostring_rgb() # save this and convert to bitmap as needed
The following error appears when run under matplotlib 1.1 (the code
successfully completes in v1.0.1):
Traceback (most recent call last):
File "./analyze.pyw", line 681, in fileGenerateReport
SPC_PDF.Generate()
File "/Users/engelsma/dev/SPC_Analyzer/trunk/1.0.10/report.py", line 201, in
Generate
eachSC.CreateHistogram(eachSC.TempImgFile)
File "/Users/engelsma/dev/SPC_Analyzer/trunk/1.0.10/SPCmodules.py", line 318,
in CreateHistogram
s = canvas.tostring_rgb() # save this and convert to bitmap as needed
File
"/Users/engelsma/.virtualenvs/cmm/lib/python2.7/site-packages/matplotlib/backends/backend_agg.py",
line 418, in tostring_rgb
return self.renderer.tostring_rgb()
AttributeError: 'FigureCanvasQTAgg' object has no attribute 'renderer'
Any ideas as to why this code fails under v1.1? I've checked the changelog and
I see nothing that would cause this problem...
Thanks in advance,
Dave Engelsma
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Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing
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