- You may anchor a class to the diagram by right clicking the figure and dropping it onto the anchor button
. Likewise you may remove an anchor by doing the same to a currenlty anchored class. Anchoring will force the class to remain anchored to the diagram, and it will not move around when in physics mode.
Tip: To see the effects of anchoring turn on physics mode and then anchor a class as described above. Now open the physics settings dialog and adjust the sliders. In the diagram you will see all anchored classes do not move whilst those surrounding them adjust to the new settings.