XML Forms Data Format (XFDF) Specification - Adobe Partners
XML Forms Data Format (XFDF) Specification - Adobe Partners
XML Forms Data Format (XFDF) Specification - Adobe Partners
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Appendix: <strong>XFDF</strong> Definitions for Comments on 3D or Rich Media Annotations<br />
<strong>XML</strong> <strong>Forms</strong> <strong>Data</strong> <strong>Format</strong> <strong>Specification</strong> cameraxform 105<br />
cameraxform<br />
The cameraxform tag defines a 12 element 3D transformation matrix that specifies the position and<br />
orientation of the camera in world coordinates.<br />
Content model<br />
A list of 12 doubles.<br />
Attributes<br />
None.<br />
u3dmatrixsource<br />
The u3dmatrixsource tag defines the name of a node in the U3D scene graph that contains a view<br />
transformation.<br />
Content model<br />
Text String.<br />
Attributes<br />
None.<br />
targetdistance<br />
The targetdistance tag defines a non-negative number indicating a distance in the camera coordinate<br />
system along the z-axis to the center of orbit for this view.<br />
Content model<br />
Double.<br />
Attributes<br />
None.<br />
View Projection Related Elements<br />
projection<br />
The projection tag is a container whose entries define the mapping of 3D camera coordinates onto the<br />
target coordinate system of the annotation.<br />
Content model<br />
((fieldofview & (scalevalue | scaletype) ) | (viewplanesize & scaletype))