[Kst] [Bug 128483] New: UI: the "quick curve creation" part of the equation dialog should be clearly separated

[Nicolas Brisset]

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http://bugs.kde.org/show_bug.cgi?id=128483         
           Summary: UI: the "quick curve creation" part of the equation
                    dialog should be clearly separated
           Product: kst
           Version: unspecified
          Platform: unspecified
        OS/Version: Solaris
            Status: NEW
          Severity: wishlist
          Priority: NOR
         Component: general
        AssignedTo: kst kde org
        ReportedBy: nicolas.brisset eurocopter com


Version:           1.3.0_devel (using KDE 3.4.0, compiled sources)
Compiler:          gcc version 3.4.3
OS:                SunOS (sun4u) release 5.8

I have seen many users be confused by the equation dialog (as called from the data manager->New equation). The reason is a lack of separation between the equation creation itself (choice of operators, scalars, vectors and the equation itself) and the rest, which is used to quickly create a new curve using that equation.
What I would suggest (a very simple change) is:
- include only the first 4 items (listed just above) in the "Equation" group
- create a new group called "Direct curve creation" (or something better, but you get the idea) with the X vector and "interpolate to highest ..." checkbox

That would make it much clearer that the last two items are not part of the equation object.

Another closely related point is that the equation dialog as called by double-clicking a curve using an equation contains the same "Equation" group as the plot dialog (with X vector and interpolation checkbox), but if you change the X vector there it is ignored. Another reason to just remove it from there I think :-)