This sample allows the ArcMap user to display dynamic charts summarizing length or area of a feature layer. Only layers with unique value renderers are supported.

How to install:
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1) Download this contribution to your computer,
2) Unzip the file,
3) Double click on the setup program (.msi) and following the installation instructions.

How to use Dynamic Charts:
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1) Start ArcMap,
2) Add a feature layer
(eg shapefile, geodatabase feature class),
3) Select a unique value renderer
- Right click on a layer, select properties,
- Click the Symbology tab,
- Click Categories > Unique Values
- Select a Value Field,
- Enter values or click “Add All Values”
- Click ok.
4) Display the Dynamic Charts toolbar
(click View > Toolbars > Dynamic Charting)
5) Click the first (and only button) on the toolbar,
6) Drag and drop a layer to the Dynamic Charting dialog,
7) Modify the refresh rate (if necessary)

Note:
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The charts will update dynamically even you are editing.

Known Issues:
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This sample is optimized for small datasets.

Source Code:
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The source code is provided in the “source” sub folder within the installation directory.

Prerequisites:
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1) Microsoft .NET 3.5
- Installer will direct you to the Microsoft download website if this is missing.
2) ESRI ArcGIS Desktop 9.2/9.3/9.3.1
3) ESRI .NET Support

http://mrrichie.spaces.live.com/blog/cns!DD16C3F34F4D913E!582.entry

More Information:
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http://kiwigis.blogspot.com/2009/09/dynamic-charting-for-arcgis-desktop.html

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