10.1 The general idea

10.1.1 The parabola as a locus

10.2 Locus surfaces in^{3}

10.2.1 Tracing a point on a plane

10.2.2 Trace a point that depends on two base points on lines, segments or circles

10.2.3 Tracing a circle, line or segment that depends on a point on a linear object

10.3 Tracing a point that depends on a point on a sphere

10.1.1 The parabola as a locus

10.2 Locus surfaces in

10.2.1 Tracing a point on a plane

10.2.2 Trace a point that depends on two base points on lines, segments or circles

10.2.3 Tracing a circle, line or segment that depends on a point on a linear object

10.3 Tracing a point that depends on a point on a sphere