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# Marker

A Marker provides an interface BETWEEN a large variety of Nodes / Bodies / Objects AND Connectors / Loads. To understand which markers are needed, see first the requested `Marker` type of the connector, constraint or joint. Hereafter, chose a `Marker` -- attached to a node, body or object -- with the according properties. The `Marker` may provide more information (e.g., position and orientation) than needed.

```{toctree}
:maxdepth: 1

markerGeneral
MarkerBodyMass
MarkerBodyPosition
MarkerBodyRigid
MarkerNodePosition
MarkerNodeRigid
MarkerNodeCoordinate
MarkerNodeCoordinates
MarkerNodeODE1Coordinate
MarkerNodeRotationCoordinate
MarkerBodiesRelativeTranslationCoordinate
MarkerBodiesRelativeRotationCoordinate
MarkerSuperElementPosition
MarkerSuperElementRigid
MarkerKinematicTreeRigid
MarkerObjectODE2Coordinates
MarkerBodyCable2DShape
MarkerBodyCable2DCoordinates
MarkerBodyBeamShape
```