|kCDConstraintTypeUndefined||0||Constraint type is not defined.|
Defines a distance constraint between two points, a point and a line, or a point and a plane. Indicated as a range, in angstroms.
Defines an angle constraint between three points (in order), indicated as a range.
Defines an exclusion sphere around a point. If more than one point is selected, the exclusion sphere is around the first selected point, and the subsequent points are allowed within the exclusion sphere when the query is evaluated. Indicated as a range, in angstroms, beginning at 0.