Example #1
0
        public double getDist(sg_Vector3 pt)
        {
            sg_Vector3        v    = new sg_Vector3(pt);
            sg_Transformation m    = new sg_Transformation(_v, certenPt);
            sg_Vector3        newv = m.inverse(v);

            return(Math.Abs(newv.z));
        }
Example #2
0
//
//  POINT3D sg_plane::get3DPoint(POINT3D pt) const
//  {
//      return get3DPoint(pt.x, pt.y, pt.z);
//  }

        public sg_Vector3 get3DPoint(double x, double y, double z)
        {
            sg_Vector3        v    = new sg_Vector3(x, y, z);
            sg_Transformation m    = new sg_Transformation(_v, certenPt);
            sg_Vector3        newv = m.apply(v);

            return(new sg_Vector3(newv.x, newv.y, newv.z));
        }
Example #3
0
        public bool get2DPoint(sg_Vector3 pt, out sg_Vector3 retPt)
        {
            sg_Vector3 v = new sg_Vector3(pt.x, pt.y, pt.z);

            retPt = new sg_Vector3(0, 0, 0);
            sg_Transformation m    = new sg_Transformation(_v, certenPt);
            sg_Vector3        newv = m.inverse(v);

            if (!sg_math.isZero(newv.z))
            {
                return(false);
            }
            retPt = new sg_Vector3(newv);
            return(true);
        }