Document Elements

Essential PDF supports various interactive features like Acroforms, Annotations, Attachments, Bookmarks, Hyperlinks etc.

AcroForm is a collection of fields for gathering information, interactively from the user. A PDF document may contain any number of fields appearing on any combination of pages, all of which makes up a single, global interactive form, spanning the entire document. Essential PDF has support for creating such forms.

An annotation associates an object such as a note, sound, or movie with a location on a page of a PDF document, or provides a way to interact with the user by means of the mouse and keyboard.

Essential PDF has support for creating following annotations.

• SoundAnnotation - Plays sound file.
• AttachmentAnnotation - Opens attached file.
• UriAnnotation - Navigates to specified URI.
• ActionAnnotation - Performs specified action.
• FileLinkAnnotation - Opens file with the specified path.
• DocumentLinkAnnotation - Navigates to specified destination within the document.
• PopupAnnotation - Displays text in a popup window for entry and editing.

Essential PDF has support for attaching various types of files into the pdf document.

Essential PDF has support for creating Bookmark Outline in PDF documents. You can apply styles and add or insert nodes in the bookmarks.

Essential PDF has support for inserting various PDF Actions. Some are listed below:

• Go-To Actions
• Launch Actions.
• URI Actions.
• Sound Actions.
• Named Actions.
• Submit form Actions.
• Reset form Actions.
• Java Script Actions.

You can then write scripts to handle user actions and trigger the above actions in response.

3D Annotations are the means by which 3D artwork is represented in a PDF document. Essential PDF can embed 3D files (.u3d) in PDF documents. It provides a way to interact with the user using mouse and keyboard.