[Kst] [Bug 120328] New: Autoscale should add some margin

[Nicolas Brisset]

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http://bugs.kde.org/show_bug.cgi?id=120328         
           Summary: Autoscale should add some margin
           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:           1.2.0_devel (using KDE 3.4.0, compiled sources)
Compiler:          gcc version 3.4.3
OS:                SunOS (sun4u) release 5.8

Currently, autoscale sets axis min/max values to that of the curve they contain, rounded to the next "nice" value. When you have boolean values with a range 0 -> 1, he result is that you can't see much else than value changes as the rest is hidden by either the top axis or the bottom axis. The same applies to continuous variables which are clipped to some interval like [-10;10] for instance. 
It would certainly be very useful to add some margin so that all points of the curve are STRICTLY contained in the plottable area (that is, excluding the axes).