Hello all,
I believe it is an easy thing to do but I haven't figured out how to convert
between coordinate systems using transData or transAxes.
x = numpy.arange(0.0, 1.0+0.01, 0.01)
y = numpy.cos(2*2*numpy.pi*x)
pylab.plot(x, y)
I want to transform y1 to axis scale between 0 and 1.
Also, I want to transform a value in axis scale, say 0.25, to a
corresponding y value in the data coordinates.
I used
ax = gca()
(x_screen, y_screen) = ax.transData.transform([x[10], y[10])
(x10, y10) = ax.transAxes.inverted().transform([x_screen, y_screen])
Is it the proper way of doing it? Where can I find more info on
transformations in general?
Currently I am doing it manually scaling things with axis limits, etc. I
believe the neat thing is to use the transforms. Can somebody explain me
how it is done with transforms? I am using v0.98.1.
Thanks in advance,
Nihat
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