예제 #1
0
        private static XbimMatrix3D ConvertCartesianTranformOperator3D(IIfcCartesianTransformationOperator3D ct3D)
        {
            var m3D = ConvertCartesianTransform3D(ct3D);

            m3D.Scale(ct3D.Scl);
            return(m3D);
        }
예제 #2
0
        private static XbimMatrix3D ConvertCartesianTransform3D(IIfcCartesianTransformationOperator3D ct3D)
        {
            XbimVector3D u3; //Z Axis Direction
            XbimVector3D u2; //X Axis Direction
            XbimVector3D u1; //Y axis direction

            if (ct3D.Axis3 != null)
            {
                var dir = ct3D.Axis3;
                u3 = new XbimVector3D(dir.X, dir.Y, dir.Z);
                u3 = u3.Normalized();
            }
            else
            {
                u3 = new XbimVector3D(0, 0, 1);
            }
            if (ct3D.Axis1 != null)
            {
                var dir = ct3D.Axis1;
                u1 = new XbimVector3D(dir.X, dir.Y, dir.Z);
                u1 = u1.Normalized();
            }
            else
            {
                var defXDir = new XbimVector3D(1, 0, 0);
                u1 = u3 != defXDir ? defXDir : new XbimVector3D(0, 1, 0);
            }
            var xVec  = XbimVector3D.Multiply(XbimVector3D.DotProduct(u1, u3), u3);
            var xAxis = XbimVector3D.Subtract(u1, xVec);

            xAxis = xAxis.Normalized();

            if (ct3D.Axis2 != null)
            {
                var dir = ct3D.Axis2;
                u2 = new XbimVector3D(dir.X, dir.Y, dir.Z);
                u2 = u2.Normalized();
            }
            else
            {
                u2 = new XbimVector3D(0, 1, 0);
            }

            var tmp   = XbimVector3D.Multiply(XbimVector3D.DotProduct(u2, u3), u3);
            var yAxis = XbimVector3D.Subtract(u2, tmp);

            tmp   = XbimVector3D.Multiply(XbimVector3D.DotProduct(u2, xAxis), xAxis);
            yAxis = XbimVector3D.Subtract(yAxis, tmp);
            yAxis = yAxis.Normalized();
            u2    = yAxis;
            u1    = xAxis;

            var lo = new XbimPoint3D(ct3D.LocalOrigin.X, ct3D.LocalOrigin.Y, ct3D.LocalOrigin.Z); //local origin

            return(new XbimMatrix3D(u1.X, u1.Y, u1.Z, 0,
                                    u2.X, u2.Y, u2.Z, 0,
                                    u3.X, u3.Y, u3.Z, 0,
                                    lo.X, lo.Y, lo.Z, 1));
        }
 /// <summary>
 ///   Builds a windows XbimMatrix3D from a CartesianTransformationOperator3D
 /// </summary>
 /// <param name = "ct3D"></param>
 /// <returns></returns>
 public static XbimMatrix3D ToMatrix3D(this IIfcCartesianTransformationOperator3D ct3D, ConcurrentDictionary <int, Object> maps = null)
 {
     if (maps == null)
     {
         return(ConvertCartesianTranformOperator3D(ct3D));
     }
     else
     {
         object transform;
         if (maps.TryGetValue(ct3D.EntityLabel, out transform)) //already converted it just return cached
         {
             return((XbimMatrix3D)transform);
         }
         var matrix = ConvertCartesianTranformOperator3D(ct3D);
         maps.TryAdd(ct3D.EntityLabel, matrix);
         return(matrix);
     }
 }
예제 #4
0
 /// <summary>
 ///   Builds a windows XbimMatrix3D from a CartesianTransformationOperator3D
 /// </summary>
 /// <param name = "ct3D"></param>
 /// <returns></returns>
 public static XbimMatrix3D ToMatrix3D(this IIfcCartesianTransformationOperator3D ct3D)
 {
     return(ConvertCartesianTranformOperator3D(ct3D));
 }