<point> ‐ A geometrical point
This element defines a square point.
The float values of the x, y, and z, attributes define the coordinates of the center of the point. The float values of the r, g, b, and a, attributes define the color of the point. The float value of the width attribute defines the width (in pixels) of the point.
The example below defines a red point that is 10-pixel wide.
<node id="face_key_point_1"> <point id="2.1_source" x="2.7456" y="-67.7117" z="93.6071" r="1.0" g="0.0" b="0.0" a="1.0" width="10.0"> </point> </node>