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| <title>SWT XYGraph Overview</title> |
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| <h2>SWT XYGraph Overview</h2> |
| <p> |
| SWT XYGraph is an xy graph component based on |
| <a href="http://www.eclipse.org/swt/">SWT</a> and <a href="http://www.eclipse.org/gef/">Draw2D</a>, |
| which could be used not only in any SWT applications, |
| but also has the ability to be integrated in any <a href="http://www.eclipse.org/gef/">GEF</a> based applications. |
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| SWT XYGraph has most of the functionalities for an xy graph, |
| plot or chart in the field of science and engineering: |
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| line chart, scatter chart, bar chart, step chart, area chart... |
| </li> |
| <li>Abundant interactive operations: |
| Five Zoom Types, Panning, Auto Scale, Add/Remove Annotations, Undo/Redo, Take snapshot. |
| </li> |
| <li>Configure properties during running, |
| such as trace color, line width and axis color etc,. </li> |
| <li> |
| multiple axes |
| </li> |
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| log scale, date time format |
| </li> |
| <li> |
| group legends by axes |
| </li> |
| <li>annotations could be free or snapped to a trace</li> |
| <li> |
| The possiblity to implements your own data provider based on a simple interface. |
| </li> |
| <li>...</li> |
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| <img src="./img/ToolbarArmedXYGraph.png" alt="Toolbar Armed XYGraph"/> |
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| <h4>Based on SWT/Draw2D</h4> |
| <p> |
| SWT XYGraph is based on <a href="http://www.eclipse.org/swt/">SWT</a> and <a href="http://www.eclipse.org/gef/">Draw2D</a>, |
| if you implement Eclipse plug-ins, SWT-based stand alone applications or |
| <a href="http://www.eclipse.org/gef/">GEF</a> based projects, |
| SWT XYGraph would be the best candidate for your plot or chart functionality requirements. |
| </p> |
| <h4>Comprehensive functions and Easy to use</h4> |
| <p> |
| The APIs of adding/setting a trace or axis are quite straightforwardly. |
| Each part of the XYGraph(Trace, Axis, Grid, Annotation...) is a draw2d figure. |
| You can easily hook listeners to any part or the whole XYGraph. |
| Besides, you can easily zoom, panning, take snapshot, add/remove annotation, configure all the graph components |
| settings from the toolbar. Finally, all the operations are undo/redoable. |
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| <h4>Light Weight and High Performance</h4> |
| <p>Even with powerful functionality, the source code of SWT XYGraph is no more than 300KB. |
| It doesn't have any dependencies other than SWT and Draw2D. |
| For Eclipse user, the only additional required plug-in is Draw2D, |
| which can be easily downloaded from <a href="http://www.eclipse.org/downloads/download.php?file=/tools/gef/downloads/drops/3.5.0/R200906221200/GEF-draw2d-sdk-3.5.0.zip">Eclispe official website.</a> |
| There are also several design and algorithm optimization inside the code, |
| which bring us the high performance when drawing large amount of data. |
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