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Re: zooming of inline data

by Petr Mikulik :: Rate this Message:

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> > I thought that Ethan has already committed his patch
> >     [ 1723715 ] Refresh plot or zoom without re-reading data
> > and that it was released in 4.2.1, but it is not the case.
> > What was the reason of not putting it into cvs (see 2007-07-01 04:36)?
> >
> >
> > There is also this patch
> >     [ 1745865 ] store raw data to refresh plot without rereading files
> > which is somehow similar in results (but caches all datafiles).
> >
> >
> > So, how to continue? Zooming of inline data is really important (and not
> > only for Octave users).
>
> Good question.  I don't know the correct answer.
>
> My patch 1723715 is imperfect, as Daniel Sebald pointed out.
> One imperfection is that is does not allow toggling log scale axes.
> One positive feature is that it requires no additional internal
> storage or data structures.

I propose to commit your patch into cvs for both 4.2 and 4.3. This will
allow us to use the mousing functionality immediately. (I thought his has
already happen.) It would be a good reason for releasing gnuplot 4.2.2 (also
with a bugfix to xylabels as reported today).

> Daniel's alternative patch  174865 creates a new set of internal storage
> buffers and saves all the input data for later re-use.
>
> We also discussed the option of re-writing the log scale code so that
> the original data is stored rather than rescaled data.

Both are more serious changes, so they can be developed for a later
inclusion into 4.3.

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 « Return to Thread: zooming of inline data