Hi Eric,
Eric Seynaeve schrieb:
Hello everyone,
in order to scratch my own itch, I started working on a stepped lines
feature for XY graphs (and Line graphs) in Calc. See bugzilla 61135
<https://bugs.freedesktop.org/show_bug.cgi?id=61135>. This is my first
coding in LO :-)
you are welcome.
Next steps would be to expose this functionality in the UI and check
that it would be saved and read in the file format.
However, before spending more time, I would like to know about the
following:
- can we just add a new type of graph ? Don't we have to follow the ODF
1.2 specification ?
The specification is not written in a way, that some people image cool
new features, but they look, what existing programs do. And those things
which are common are standardized. Therefore LO has "ODF1.2 extended"
and Gnumeric "with foreign elements".
In Gnumeric I see an interpolation with stepped lines. Is it that, what
you want to get? If yes, then I would not implement them as new chart
type in LO, but use the same way as in Gnumeric and make it a new kind
of interpolation.
There exists already a request for ODF1.3 to specify such interpolation.
If LO will implement them too, it will become more likely, that they
will be specified in ODF1.3.
- if I add this, what about compatibility with older LO/OOo versions and
other spreadsheets using ODF (Gnumeric, KOffice, ...) ?
- how to handle UI changes ? Can I create a patch/proposal independently ?
Applications, which support ODF but do not know special elements or
attributes, ignore such elements or attributes. If you will make the
stepped lines an interpolation in an XY-chart, those applications would
only show the points of the chart but not the interpolating lines.
Kind regards
Regina
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