[Libreoffice-bugs] [Bug 132308] New: Chart Wizard / Scatter / field naming

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=132308

            Bug ID: 132308
           Summary: Chart Wizard / Scatter / field naming
           Product: LibreOffice
           Version: 6.4.1.2 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Documentation
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: grin at grin.hu
                CC: olivier.hallot at libreoffice.org

I apologise for this bugreport.

I started with a problem, namely, I wanted to have a simple Scatter Chart with
individual labeled points, and it didn't work. Figured out (withlots of
community help) a method what worked, and went off to fix the related Help.
Then I have realised that the Chart Wizard dialogs are inconsistent and the
Help is structured so that it's almost impossible to fix without rewriting a
lot of help pages. This is a call for some help as how to go on. 

Problems:

1. Chart Wizard for Scatter is not helping (Bug#98543 as an example). 

*Data Range* interpretation changes based on its size, it's content, whether
series are in rows or columns (which is expected but not the way it behaves),
and whether First row/col labels are checked (again, it's not behaving like one
would expect). I have tried to document it but it seems to follow some really
weird logic, and I cannot really formulate it. The problem is:

*Data Series* generated from *Data Range*, but the whole result of the process
is puzzling. The amount and specifics of the generated series, the Name, X-Val
and Y-val Data ranges and the Name and Data labels are generated almost
randomly out from the *Data Range* set in the previous dialog window. I could
document, probably how they are related, but it would need to list a lot of
versions (even rows in range or odd? include only row labels or columns, too?
row or column baased series? etc.). 

2. For Scatter (as it turned out later) there is "Data labels" field instead of
"Category", however in the Far-Far-Away dialog of Chart/Insert>>Data Labels
call them "Category" in its checkboxes. It turns out this switch is vital (see
later) but canot be found since it has a different name. In the Help I can
write that "Data labels" are actually "Categories", but, um, that's documenting
a bug.

3. The Help is not structured this way. 
Right now there are generic Wizard pages (Chart Type, Data Range, Chart
Elements), but no Chart Type specific description of the Wizard. This seems not
to be a problem until I have realised that the data entered in the Wizard
doesn't work, most prominently "Data Labels" will never be visible. 
It could be documented that these labels can be made visible in a rather
convoluted way of steps:
- set up the chart
- edit the chart
- right click on a data point
- Select Insert data labels
- right click on a data point again
- Select Format Data Labels
- unselect "show value as number" and select "show category" instead
I am not sure this is the way it should be.

4. Showing Data labels could be achieved also by Chart/Insert>>insert Data
labels. The dialog is buggy as well since it switches on data label as soon as
it's opened, and switches also on "Show value" immediately, regardless of OK or
Cancel. Apart from that it behaves the same as the aforementioned Format Data
Labels menu, 


So, my problem is that I wanted to write documentation, but instead I listed
various bugs relating to the Wizard and Chart menus. Also I could be wrong
about the methods. Also I tried to be rather terse instead of describing
various results of "Data Ranges" creating various "Data Series" content, with
missing fields or weird series. 

Shall I try to document this? Shall I open various bugs about the mentioned
issues? Would this issue would be useful instead? Please advise how can I be of
help.

(Feel free to reassign this from Documentation to anywhere else, cut it, merge
it or, if you insist, close it.)

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