Overview

Layers, or as they are more formally known as Optional Content Groups (OCGs), refers to sections of content in a PDF document that can be selectively viewed or hidden by document authors or consumers. This capability is useful in CAD drawings, layered artwork, maps, multi-language documents etc.

Benefits of ComPDFKit PDF Layers

• Export and Render: Export and render PDF layers (also known as Optional Content Groups, or OCGs)
• Modify: Support modifying existing PDF layer (OCGs) properties.

Guides for Layers

• Show/hide Layers

  To show or hide a PDF layer in a document.

• Modify Layers

  Efficiently navigate to different locations in the document through simple code.

• Export Layers

  Locate the position of keywords in the document, and copy or mark the text of interest.