private void fireVertexLocationChanged(V v, Point2D p) {
		fireVertexLocationChanged(v, p, ChangeType.USER);
	}
The amount (from 0 to 1.0) by which to condense the vertices of the graph when that
feature is enabled.  The default is .5 (50%).  A value of 1.0 would be fully-condensed
such that all vertices are aligned on the x-axis on the center of the graph.
@return the condense factor
Ghidra/Framework/Graph/src/main/java/ghidra/graph/viewer/layout/AbstractVisualGraphLayout.java