/// <summary>
/// 获取组件的位置矩阵，该矩阵中包含方位与原点
/// </summary>
/// <param name="component"></param>
/// <returns></returns>
public static Matrix4x4 GetPosition(this NXOpen.Assemblies.Component component)
{
Point3d point;
Matrix3x3 matrix;
component.GetPosition(out point, out matrix);
Matrix4x4 result = Matrix4x4Ex.Create(point, matrix);
return(result);
}
public void loadAssemblyInfo(NXOpen.Part assemblyFilePart)
{
//Get root component which is top level assembly component
rootComponent = assemblyFilePart.ComponentAssembly.RootComponent;
//Get components and constraints in (root)assembly
nxComponents = rootComponent.GetChildren();
//Get constraint information
nxPositioner = assemblyFilePart.ComponentAssembly.Positioner;
nxConstraints = nxPositioner.Constraints.ToArray();
numComponents = nxComponents.Length;
tcad_PartList = new TransCAD.Part[numComponents];
componentPositions = new Point3d[numComponents];
componentOrientations = new Matrix3x3[numComponents];
nxCompNames = new string[numComponents];
for (int i = 0; i < numComponents; i++)
{
NXOpen.Assemblies.Component nxComponent = nxComponents[i];
//save name of NX Part into string array
nxCompNames[i] = nxComponent.DisplayName;
//Get position and orientation of each part and save them into componentPositions, componentOrientations
Point3d componentPosition;
Matrix3x3 componentOrientation;
nxComponent.GetPosition(out componentPosition, out componentOrientation);
componentPositions[i] = componentPosition;
componentOrientations[i] = componentOrientation;
//Get file directory of each part in assembly
NXOpen.Part nxPart = null;
nxPart = (Part)nxComponent.Prototype;
string xmlPartDir = Path.ChangeExtension(nxPart.FullPath, ".xml"); //chaneg extension from .prt to .xml
//Load transCAD xml part file corresponding to each NX part using file name, the transCAD xml should be in same folder with same name except extension(.prt -> .xml)
TransCAD.Part tcad_Part = tComp.CreatePart(nxComponent.DisplayName);
tcad_Part = tComp.ImportPartFromXML(xmlPartDir, tcad_Part);
//save transCAD part data into array "tcad_PartList"
tcad_PartList[i] = tcad_Part;
//Place each part in TransCAD
double extraDisplacement = i * 100; //To see whether constraints are applied or not, intentionally, place part with extra displacement which is different from original NX part
tComp.SetPartPlacement(tcad_Part, componentPosition.X, componentPosition.Y + extraDisplacement, componentPosition.Z - extraDisplacement,
componentOrientation.Zx, componentOrientation.Zy, componentOrientation.Zz,
componentOrientation.Xx, componentOrientation.Xy, componentOrientation.Xz);
tComp.AddPart(tcad_Part);
}
tAssem.AddComponent(tComp);
tAssemDoc.Update();
}