CoordinateXYM constructor
Constructs a CoordinateXYM instance with the given ordinates and measure.
@param x the X ordinate @param y the Y ordinate @param m the M measure value
Implementation
CoordinateXYM(double x, double y, double m)
: super.fromXYZ(x, y, Coordinate.NULL_ORDINATE) {
this.m = m;
}