[etoys-notify] [JIRA] Created: (SQ-1035) GraphPaper issues

Karl Ramberg (JIRA) tracker at squeakland.org
Tue Mar 6 11:57:40 EST 2012


GraphPaper issues
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                 Key: SQ-1035
                 URL: http://tracker.squeakland.org/browse/SQ-1035
             Project: squeakland
          Issue Type: Improvement
          Components: etoys
            Reporter: Karl Ramberg
             Fix For: etoys 5.0


Some issues with latest build:
Take x-y plane from Object Catalog, Open Viewer for "vertical number line", change number lines <min val> to -10, then increase by 1 to -9.  (number line shifts left).

If Number Lines <min val> is greater than zero, its not really a "show negative arrow head" tile. Not sure of good name.

If I set <VerticalNumberLine's>:<yOnGraph> to 0, it changes to 8 and moves down. This behavior repeats. It seems to be 8 when min value <=-10 and 4 when >-10.

Perhaps related to the above items: I would expect the <xOnGraph> and <yOnGraph> to be 0, but they are not.  Perhaps because of how you adjust for the labels and the max # of digits in the label.  Perhaps have the "0" point on the number line be 0 at 0 onGraph.  I was also struck that the playfield does not use origin at center, but there is much I do not understand.
When I turn "use gridding" from the playfield options, I need to reset the the "grid spacing" to match that set via the GraphPaperPanel.

Should we have Etoys tiles for the grid size, coarse grid boolean and course grid value?  I know I can get them by opening the viewer for the sliders and firing the EtoysUpdatingThreePhaseButton, but most folks won't figure that out. 

Baloon help for Vertical number <show negative arrow head< line states: "Whether to show an arrow-head at the extreme left edge of the axis".  Perhaps "lower end" instead.
It would be nice to have tiles for the offset and the numbers visible, without having to hover.

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