2011/1/28 Mike Alger <mal...@ryerson.ca>
> Philip,
>
>
>
> A few questions before I give one possible solution,
>
>
>
> Does this plot need to be updated in real time ? or is this plot to be done
> in post processing?
>
>
>
> if you can do the plots with post processing you should be able to use
> pcolor function to do your tasks
>
> http://matplotlib.sourceforge.net/examples/pylab_examples/pcolor_demo.html
>
>
>
> i won’t go into details but just assign:
>
>
>
> X as 1d vector with your m/z values
>
> Y as 1d vector your time values
>
> And Z as a 2d array that will map counts/sec to both a “m/z” and “time”
> index
>
>
>
> You will have to find the location for your other marks and then plot them
> on top of pcolor graph but that shouldn’t be too hard just express your
> values (i am assuming 3dB cutoff points and peak power of some sort) in
> terms of X Y. I am almost certain there is probably a nice DSP way to solve
> for those X Y values once the data is in a 2d array but i am no expert on
> that mater.
>
>
>
> Good luck and hopefully this helps,
>
>
>
> Mike
>
hi mike,
thanks for the answer. it looks interesting, but will it work if the m/z
values are all different from each other? i mean: the m/z-ranges are
overlapping, but there are no duplicate values. this way, every column of
the array would only contain one value if i understood you correctly.
thanks,
philipp
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