[Libreoffice-bugs] [Bug 138509] New: Ability to navigate via viewing area on charts

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=138509

            Bug ID: 138509
           Summary: Ability to navigate via viewing area on charts
           Product: LibreOffice
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: romain2boss at yahoo.fr

Hi,

LibreOffice displays charts the same way as its competitors: You can specify
the data range, the X/Y scale and that's it. You can't interact with your
diagram in order for instance to easily zoom in some areas where data are
cluttered.

This ticket proposes several enhancements ideas in order to bring added values
to LibreOffice compared to its competitors: Having the ability, on top of
regular charts settings, to specify views.

1. Ability to Zoom in (https://observablehq.com/@d3/zoomable-area-chart)

2. Ability to Select data range (I can't find an example but the idea would be
to "draw" a rectangle (or an X-only selection or a Y-only selection) hover the
graph and the graph would adapt its display to fit selection).

This viewing area would not alter graph settings, only the way the graph is
displayed. However it can be saved in order for another one reading the file to
be able to have last selected view.

Two buttons would also be added:
- One for reseting view to graph settings
- One to store current view in graph settings (basically changing X and Y axis
settings)

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