Method setZ

src/backend/datapicker/Vector3D.h:31–33

		v[1] = y;
	}
	void setZ(double z) {
		v[2] = z;
	}

	inline const Vector3D operator-(const Vector3D& other) const {
		return Vector3D(v[0] - other.v[0], v[1] - other.v[1], v[2] - other.v[2]);