* \brief Feature for creation of a new constraint which defines a distance
* between a point and another feature (point, line, plane or face)
*
* This constraint has three attributes:
* SketchPlugin_Constraint::VALUE(), SketchPlugin_Constraint::ENTITY_A() and SketchPlugin_Constraint::ENTITY_B()
*/
* \brief Feature for creation of a new constraint which defines a distance
* between a point and another feature (point, line, plane or face)
*
* This constraint has three attributes:
* SketchPlugin_Constraint::VALUE(), SketchPlugin_Constraint::ENTITY_A() and SketchPlugin_Constraint::ENTITY_B()
*/