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The SEDRIS Data Representation Model
APPENDIX A - Classes Contact Point |
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An instance of this DRM class specifies an identified location that run-time systems can identify as a place where intersection tests should occur.
Consider a <Model> instance with a <Geometry Model> component specifying a geometric representation of an airplane, which is to be used for an application in which it is useful to know the position of the bottom of the wheels when the landing gear is fully extended. In this case, the landing gear is represented as a separate <Model> instance, and the <Geometry Model> instance representing the landing gear specifies a <Contact Point> component to identify this location.
Consider a <Model> instance with a <Geometry Model> component G specifying a geometric representation of a rail wagon. The rail wagon has a hitch point where it can be attached to another rail wagon or to a locomotive engine. This hitch point is represented by a <Contact Point> component of G, so that when a <Geometry Model Instance> instance instantiates the rail wagon, the <Contact Point> component of G indicates where another instantiation of the rail wagon can be connected to the given instantiation.
Consider a <Model> instance with a <Geometry Model> component specifying a geometric representation of a roll-on-roll-off ship that has a loading ramp. The endpoint of this loading ramp is represented by a <Contact Point> component of the <Geometry Model> component.
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