PyGeo: a dynamic geometry toolkit

centers

point determined as a defined center of a given geometric object

f Center() ...

factory function returns instance of a class representing a point in space determined as a defined center of a given geometric object

constructors:
Center (point1, point2, point3, point4 )
point at center of sphere circumscribing the given 4 points' tetrahedron
Center (point1, point2, point3 ,EXCENTER )
Center (triangle ,EXCENTER )
point at center of the circle exscribed opposite 1st point in the 3 points' triangle
Center (point1, point2, point3 ,INCENTER )
Center (triangle ,INCENTER )
point at center of the circle inscribed in the given 3 points' triangle
Center (point1, point2, point3 ,ORTHO )
Center (triangle ,ORTHO )
point of intersection of the altitude of the given 3 points' triangle
Center (point1, point2, point3 ,CIRCUM )
Center (triangle ,CIRCUM )
point at center of the circle circumscribing the given 3 points' triangle
Center (point1, point2, point3 ,CENTROID )
Center (triangle ,CENTROID )
point at center of mass of the given 3 points' triangle

See the source for more information.