private static XbimMatrix3D ConvertCartesianTranformOperator3D(IfcCartesianTransformationOperator3D ct3D) { XbimMatrix3D m3d = ConvertCartesianTransform3D(ct3D); m3d.Scale(ct3D.Scl); return(m3d); }
private static XbimMatrix3D ConvertCartesianTransformationOperator3DnonUniform(IIfcCartesianTransformationOperator3DnonUniform 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 var matrix = 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); matrix.Scale(new XbimVector3D(ct3D.Scl, ct3D.Scl2, ct3D.Scl3)); return(matrix); }