User guide

253
Location Type or Attribute Type Description
geometry.numVertices float[ ] The number of vertices in each curve.
The following XML is from a Scene Graph
that creates 3 linear curves with 3
segments:
<attr type="GroupAttr"
inheritChildren="false">
<attr type="IntAttr"
name="degree" tupleSize="1">
<sample value="1 " size="1"
time="0"/>
</attr>
<attr type="FloatAttr"
name="knots" tupleSize="1">
<sample value="0.0 " size="1"
time="0"/>
</attr>
<attr type="IntAttr"
name="numVertices"
tupleSize="1">
<sample value="4 4 4 " size="3"
time="0"/>
</attr>
<attr type="GroupAttr"
name="point"
inheritChildren="false">
<attr type="FloatAttr" name="P"
tupleSize="3">
<sample value=" 0.2 0 5 -2.8 0
2.0 0.5 0 1.0 -0.3 0
-1.5 1.8 0 4.9 -0.4 0 2.2 2.5 0
1.0 1.6 0 -1.4 3.8 0 4.9 1.6 0
2.2 4.5 0 1.0 3.6 0 -1.4 "
size="36" time="0"/>
</attr>
</attr>
</attr>
The numVertices list defines the index
ranges of the knots used by each curve.
APPENDIX D STANDARD ATTRIBUTES | LOCATION TYPE CONVENTIONS