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Chart

This sample demonstrates adding layers (Optional Content Group) with different shapes in the PDF document. The Essential PDF also supports to create, merge, and toggle the layers.
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Click the button to view a PDF document generated by Essential PDF. Please note that Adobe Reader or its equivalent is required to view the resultant document.

This feature can be used in CAD drawings, maps, layered artworks, and multi-language documents. More information about the layers can be found in this documentation section.