[Kst] [kst] [Bug 352367] vectors too short. last frame not plotted

Michael Brewer via KDE Bugzilla bugzilla_noreply at kde.org
Fri Feb 26 15:26:34 UTC 2016


--- Comment #4 from Michael Brewer <brewer at astro.umass.edu> ---
>From your previous comment, I got the impression that INDEX was something
specific to the plot. If INDEX is in fact just another 1 sample per frame
vector, then I agree that it should be the same as all the other 1 sample per
frame vectors.

Right: Imagine you want to plot a field which is 100 samples per frame vs
something that is 1 samples per frame. And you want to plot one frame. Maybe
because your datasource is only one frame long. What should you do? 

Currently, this question is moot since it is not possible to plot one frame of
data in KST.
But that is my point. If the user has only one frame of data, there should be a
way for them to look at that data. In the example that you give, there is only
one X-Y pair to plot. In order to plot this, the plot itself needs to extend
from 0 to 1. In general, the plot should always extend from 0 to nframes. This
is one more than the INDEX array that extends from 0 to nframes - 1. Since this
is just a matter of setting the boundaries of the X axis of the plot, it seems
straight forward to me. Perhaps I am missing something though.

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