/** * Get the square of the simple cartesian distance between this and another * vector. */ public double getDistanceSquared (Vector other) { return subtract(other).vectorLengthSquared(); }
/** * {@inheritDoc} */ public double getDistanceSquared (Vector v) { return subtract(v).vectorLengthSquared(); }
@Override protected double getRelativeError (Position a, Position b, Position c) { Vector vA = a.getAsCartesian(); Vector vB = b.getAsCartesian(); Vector vC = c.getAsCartesian(); Vector ac = vC.subtract(vA); Vector ab = vB.subtract(vA); double lac2 = ac.vectorLengthSquared(); Vector bPerp = ab.subtract(ac.scale(ab.dot(ac)/lac2)); double lbPerp = bPerp.vectorLength(); double lac = Math.sqrt(lac2); return lbPerp/lac; }
@Override protected double getRelativeError (Position a, Position b, Position c) { Vector vA = a.getAsCartesian(); Vector vB = b.getAsCartesian(); Vector vC = c.getAsCartesian(); Vector ac = vC.subtract(vA); Vector ab = vB.subtract(vA); double lac2 = ac.vectorLengthSquared(); Vector bPerp = ab.subtract(ac.scale(ab.dot(ac)/lac2)); double lbPerp = bPerp.vectorLength(); double lac = Math.sqrt(lac2); return lbPerp/lac; }
@Override protected double getRelativeError (Position a, Position b, Position c) { Vector vA = new Vector(a.getLongitude(), a.getLatitude()); Vector vB = new Vector(b.getLongitude(), b.getLatitude()); Vector vC = new Vector(c.getLongitude(), c.getLatitude()); // a, b, and c really should be Positions, but we're treating them as // straight vectors anyway. Vector ac = vC.subtract(vA); Vector ab = vB.subtract(vA); double lac2 = ac.vectorLengthSquared(); Vector bPerp = ab.subtract(ac.scale(ab.dot(ac)/lac2)); double lbPerp = bPerp.vectorLength(); double lac = Math.sqrt(lac2); return lbPerp/lac; }
@Override protected double getRelativeError (Position a, Position b, Position c) { Vector vA = new Vector(a.getLongitude(), a.getLatitude()); Vector vB = new Vector(b.getLongitude(), b.getLatitude()); Vector vC = new Vector(c.getLongitude(), c.getLatitude()); // a, b, and c really should be Positions, but we're treating them as // straight vectors anyway. Vector ac = vC.subtract(vA); Vector ab = vB.subtract(vA); double lac2 = ac.vectorLengthSquared(); Vector bPerp = ab.subtract(ac.scale(ab.dot(ac)/lac2)); double lbPerp = bPerp.vectorLength(); double lac = Math.sqrt(lac2); return lbPerp/lac; }
P2.add(K.get(i + 1).scale(2).subtract(P1.get(i + 1)));