[Jchart2d-release] JChart2D 2.1.2 (performance) released
jchart2d is a real-time charting library written in java.
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achimwestermann
From: Achim W. <Ach...@gm...> - 2007-07-27 05:56:06
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Dear user, a new version of JChart2D a LGPL Java library for precise real time display of x-y plots has been released. This version should be downloaded by everyone who encountered performance problems in dynamic charting applications: A major performance bottleneck was discovered and fixed. Also some bugfixes and minor feature enhancements were made. You can download the latest version at: http://sourceforge.net/project/showfiles.php?group_id=50440 Some detailes relase information: History of changes for the jchart2d project. Changes are chronologically ordered from top (most recent) to bottom (least recent). Legend: ! New Feature * Bug fixed, (unreleased) points out that this bug was never released. - General comment o API change that requires refactoring. Note that refactoring of protected code intended for library internal details will not be listed. jchart2d-2.1.2 - July, 25th, 2007 * Fixed issue #1711148: LayoutFactory does not provide documented methods. ! Configurable context menu entry for zooming out for ChartPanel when wrapping a ZoomableChart. Contribution by Vasilis Pappas. ! Only use lower unit in LabelFormatterAutoUnits when data range is smaller 1.5 of a whole unit. ! New error bar policy for summation of absolute values. ! Added default constructors and additional setters for bean compliance of label formatters. * Fixed issue with UI not reacting upon changed label formatter of Axis at runtime. * Fixed issue with UI not reacting upon changed number format of LabelFormatterNumber at runtime. * Fixed issue with concurrent painting / potential deadlock in addErrorBarPolicy and setErrorBarPolicy of traces. * Fixes issue with traces not updating in case the error bar policies / their configuration changes at runtime. * Fixed issue with color icon of error bar painter edit panel not updating when corresponding error bar segment is changed at runtime. * Fixed minor rounding bug in value to pixel transformation of AAxis. * Fixed issue with axis scale values that appear out of the chart area (too low). * Fixed issue with traces being rescaled in both dimensions even if only one dimension changed (Performance improvement). ! Updated profiling support to Java Interactive Profiler (JIP) Version 1.1(final). ! Major performance improvement for updateScaling: JProfiler measured ~42 % total of paint runtime before, now takes ~ 16 %. ! New info.monitorenter.gui.chart.labelformatters.LabelFormatterUnit allows to specify a fixed unit for an axis. kind regards, Achim |