Just in case, if anyone needs the answer, I figured it out.
I used the transData transform in order to draw the lines correctly.
Here is the code -
# The code below is to add the lines near the tick labels
fig = barGraph.fig
xAxisLim=barGraph.ax.xaxis.get_view_interval()
tickLocArray = barGraph.ax.xaxis.get_majorticklocs()
yStart=-70
yEnd=-0.5
line = Line2D([xAxisLim[0], xAxisLim[0]],
[yStart,yEnd],linewidth=2, color='black',
transform=barGraph.ax.transData)
fig.lines.append(line)
for i in xrange(11):
lnWidth=2
yStartOffset=0
if((i+1)%4 != 0):
lnWidth=1
yStartOffset=20
xOffset = tickLocArray[i] + (tickLocArray[i+1] - tickLocArray[i])/2
line = Line2D([xOffset, xOffset],
[yStart+yStartOffset,yEnd],linewidth=lnWidth, color='black',
transform=barGraph.ax.transData)
fig.lines.append(line)
line = Line2D([xAxisLim[1], xAxisLim[1]],
[yStart,yEnd],linewidth=2, color='black',
transform=barGraph.ax.transData)
fig.lines.append(line)
plt.figtext(0.247, 0.05, '1')
plt.figtext(0.523, 0.05, '2')
plt.figtext(0.797, 0.05, '4')
Thank You!
Raj
rajtendulkar wrote:
>
> Dear All,
>
> I am trying to write a program in matplotlib to generate stacked bar
> graphs.
> My problem is that the commands - plt.show() and
> self.fig.savefig(fileName) generate different outputs.
> I tried different output formats like PDF, PNG, EPS. But the problem
> remains the same.
> This happens for the lines that I am trying to draw outside the plot.
> I am trying to draw vertical lines between xticklabels.
> I have uploaded the data file and the code file.
> http://old.nabble.com/file/p33893817/data.dat data.dat
> http://old.nabble.com/file/p33893817/matplot1.py matplot1.py
> Could anyone explain how to resolve this problem?
>
> Thank You,
> Raj
>
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