https://bugs.freedesktop.org/show_bug.cgi?id=79450

          Priority: medium
            Bug ID: 79450
          Assignee: [email protected]
           Summary: Other: Bubbles too near disapear in a Calc chart
          Severity: normal
    Classification: Unclassified
                OS: Windows (All)
          Reporter: [email protected]
          Hardware: Other
        Whiteboard: BSA
            Status: UNCONFIRMED
           Version: 4.1.6.2 release
         Component: Spreadsheet
           Product: LibreOffice

Created attachment 100155
  --> https://bugs.freedesktop.org/attachment.cgi?id=100155&action=edit
Example of Calc chart to demonstrate the problem.

Problem description: in a bubble chart in Calc, when the coordinates of two
bubbles, successive in the data table, are too near, only one of the two
bubbles appears in the chart. The problem is visible when the color of the
bubbles is chosen with a transparency. If the coordinates of the bubbles are
slightly different (there is a threshold), or if they do not correspond to
successive rows in the data table, there is no problem.

I have not checked if the problem still exists in the latest version of
LibreOffice, but it did in previous versions of OpenOffice and LibreOffice and
I have not seen it reported yet.

Sample data for testing (create a bubble chart with displaying category labels
to the right of bubbles and choosing a transparency of 60% for example) :

label    x    y    taille
bubbles centered    1    4    2
    1    4    1
bubbles centered but separated    1    3    2
(intermediate bubble)    1.5    2.6    0.2
    1    3    1
bubbles offset    1    2    2
    1.01    2    1
bubbles slightly offset    1    1    2
    1.005    1    1


NB #1 : 0.005 is, in this case, the offset value below which only one bubble
appears.

NB #2 : I reported the problem in French but the Submission button did not seem
working.


Operating System: Windows XP
Version: 4.1.6.2 release

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