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Multimedia Features (Chapter 9 in PDF Reference)
This section describes extensions to the PDF specification contained in the PDF Reference, sixth edition,
version 1.7 and in ISO 32000 (Document management - Portable document format - PDF 1.7). The latter
document is the version of the PDF specification that has been ratified by the ISO. These documents differ
as described in About the ISO Draft of the PDF 1.7 Reference.
Note:
This guide uses italics to identify information not intended for inclusion in the PDF specification. For
convenience, the phrase BaseVersion 1.7, Adobe ExtensionLevel 3 is shortened to ExtensionLevel 3
throughout this document.
9.5 3D Artwork
On page 790, append the indicated sentence to the bullet that begins, "3D stream contain ...". Unchanged
content is shown in gray.
The following sections describe the major PDF objects that relate to 3D artwork, as well as providing
background information on 3D graphics:
3D annotations provide a virtual camera through which the artwork is viewed. (see section 9.5.1 [ISO
●
section 13.6.2], "3D Annotations").
3D streams contain the actual specification of a piece of 3D artwork (see section 9.5.2 ISO
●
section 13.6.3], "3D Streams"). This specification supports the standard ECMA-363, Universal 3D file
format developed by the 3D Industry Forum (see Bibliography).
support the PRC file format (see Bibliography).
9.5.1 3D Annotations
Add the
3DU
KEY
3DU
Add the
Style
entry to Table 9.33.
TABLE 9.33 Additional entries specific to a 3D annotation
TYPE
VALUE
dictionary
(Optional; ExtensionLevel 3) A 3D units dictionary that specifies the units
definitions for the 3D data associated with this annotation. See
9.33a Entries in a 3D units dictionary" on page
,
, and
Window
Transparent
Extension level 1 extends PDF to
entries to Table 9.34.
"TABLE
60.
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