Hello everyone,
pgfplots supports the "symbolic x coords" key which implements a dictionary
which maps strings to numerical
data and backwards automatically.
I am trying to plot a datafile with x values representing different image
resolutions. These values are strings in the format "widthxheight". Currently
i'm using
\begin{axis}[symbolic x coords={64x64, 122x34, 64x128,...,128x128, 128x136,
128x256}, xtick=data]
to provide a string dictionary to pgfplots.
For some reason the datafile could contain a huge number of different (random)
resolution strings and i don't like the idea to adjust the fixed dictionary to
get my plot right, every time the datafile has changed.
Is there a way to use pgfplots with some kind of a dynamic dictionary maybe
generated from the x coords in the datafile?
Another way could be the use of 'the x coord trafo' key i read about in the
manual. The Resolutions strings need to be transformed to numbers. But i have
no idea how to use x coord trafo in my case and how i transform an random
string into a running numerical index. I admit, i have very little knowledge
about tikz, pgf and latex macros.
Any ideas how to do this?
Here's an example of the datafile format I'm talking about:
#resolution min_µs avg_µs max_µs
64x64 431 1060 6225
64x128 468 589 1424
128x128 488 558 1112
128x136 520 655 1612
...
128x256 670 750 1783
Best regards
Ken
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