JFreeChart / Patches / #309 Individual nan and zoom for value axes

#309 Individual nan and zoom for value axes

Status: open

Owner: nobody

Labels: None

Priority: 5

Updated: 2014-07-29

Created: 2014-05-18

Creator: Piet

Private: No

This patch adds the following features:
- Individual axes can be panned and zoomed by dragging the mouse along an axis or my using the mouse wheel over.
- Axes can be prevented from being panned and zoomed if the mouse is dragged/the mouse wheel used on the data area of an XYPlot.

1 Attachments

ZoomAndPan.patch

Discussion

Piet - 2014-05-18

Demo program

AxisPanAndZoomDemo.java

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Piet - 2014-05-21

Second try. The patch now allows to zoom along a single ValueAxis by dragging the mouse inside the axis area. CategoryPlot now also checks the globalPannable and globalZoomable flags.

ZoomAndPanPatch.diff

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Piet - 2014-06-25

Final version.
Combined plots are now supported as well.

AxisPanAndZoom_V3.diff

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Boente - 2014-07-21

Fixes:
1. Patch can be applied directly to latest JFreeChart (3255)
2. See http://www.jfree.org/forum/viewtopic.php?f=3&t=116907&start=15#p177843
The problem that axis does not become zoomed when you perform a negative zoom on the axis has been fixed.
3. A NPE has been fixed on Combined..Plots when the zoom action started on the gap between plots.

freechart_zoom_pan_v5.patch

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Boente - 2014-07-21

Removed the isGlobalZoomable and isGlobalPannable flags from ValueAxis. The usage is quite special and the initial implementation allows always zooming and panning on the axis itself.

Fixed several bugs according to CombinedXXPlots.

freechart_zoom_pan_v6.patch
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Boente - 2014-07-29

Simplified detection in ChartPanel if an axis is horizontal or vertical

It is highly recommended to commit https://sourceforge.net/p/jfreechart/patches/312/ also.

freechart_zoom_pan_v7.patch
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