拉伸实体一个面

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1. // Function definition
2. static  Acad::ErrorStatus acedGetSelFaces(AcDbObjectId& selectedSolidId, AcArray<AcDbSubentId*>& faceSet) {
3.         // Initialize result to invalid input
4.         Acad::ErrorStatus result = Acad::eInvalidInput;
6.         // Prompt the user to select a solid
7.         ads采用name ss;
8.         int rc = acedSSGet(NULL, NULL, NULL, NULL, ss);
9.         if (rc != RTNORM) {
10.                 return Acad::eNotApplicable;  // User canceled
11.         }
13.         // Check if the selection set is empty
14.         Adesk::Int32 length;
15.         acedSSLength(ss, &length);
16.         if (length == 0) {
17.                 acedSSFree(ss);
18.                 return Acad::eInvalidInput;  // No solids selected
19.         }
21.         // Get the first selected entity
22.         ads采用name ent;
23.         acedSSName(ss, 0, ent);
25.         // Open the selected entity
26.         AcDbObjectId objId;
27.         acdbGetObjectId(objId, ent);
28.         AcDb3dSolid* solid = nullptr;
29.         if (acdbOpenObject(solid, objId, AcDb::kForRead) != Acad::eOk) {
30.                 acedSSFree(ss);
31.                 return Acad::eInvalidInput;  // Selected entity is not a solid
32.         }
34.         // Store the selected solid ID
35.         selectedSolidId = objId;
37.         // Use the selector to select faces
38.         AcEdSolidSubentitySelector selector;
39.         result = selector.selectFaces(selectedSolidId, faceSet);
41.         // Clean up
42.         acedSSFree(ss);
43.         solid->close();
45.         return result;
46. }
48. // mycommand  选择实体面然后移动
49. static  void mySelectFacesCommand() {
50.         AcDbObjectId selectedSolidId;
51.         AcArray<AcDbSubentId*> faceSet;
53.         // Call the custom function
54.         Acad::ErrorStatus es = acedGetSelFaces(selectedSolidId, faceSet);
56.         if (es != Acad::eOk) {
57.                 // Handle error cases
58.                 acedAlert(es == Acad::eInvalidInput ? 采用T("No solids selected.") :
59.                         es == Acad::eNotApplicable ? 采用T("User canceled input.") :
60.                         采用T("Unexpected error occurred."));
61.                 return;
62.         }
64.         // Open the solid for write
65.         AcDb3dSolid* solid = nullptr;
66.         if (acdbOpenObject(solid, selectedSolidId, AcDb::kForWrite) != Acad::eOk) {
67.                 acedAlert(采用T("Failed to open solid for writing."));
68.                 return;
69.         }
71.         ads采用point basePoint, secondPoint;
72.         // Prompt the user to select the base point for extrusion
73.         if (acedGetPoint(NULL, 采用T("\nSpecify the base point for extrusion: "), basePoint) != RTNORM) {
74.                 acedAlert(采用T("Failed to get base point."));
75.                 solid->close();
76.                 return;
77.         }
79.         // Prompt the user to select the second point to define the extrusion direction
80.         if (acedGetPoint(basePoint, 采用T("\nSpecify the second point for extrusion direction: "), secondPoint) != RTNORM) {
81.                 acedAlert(采用T("Failed to get second point."));
82.                 solid->close();
83.                 return;
84.         }
86.         // Calculate extrusion direction and distance
87.         AcGeVector3d extrusionDir(secondPoint[0] - basePoint[0], secondPoint[1] - basePoint[1], secondPoint[2] - basePoint[2]);
88.         double extrusionDistance = extrusionDir.length();
90.         // Extrude in the negative direction if necessary
91.         if (extrusionDir.x < 0 || extrusionDir.y < 0 || extrusionDir.z < 0) {
92.                 extrusionDistance *= -1;
93.         }
95.         // Extrude the faces with taper angle set to 0
96.         Acad::ErrorStatus extrudeStatus = solid->extrudeFaces(faceSet, extrusionDistance, 0.0);
98.         if (extrudeStatus == Acad::eOk) {
99.                 acutPrintf(采用T("\nFaces extruded successfully."));
100.         }
101.         else {
102.                 acedAlert(采用T("Failed to extrude faces."));
103.         }
105.         solid->close();
107.         // Clean up memory allocated for faceSet
108.         for (int i = 0; i < faceSet.length(); ++i) {
109.                 delete faceSet[i];
110.         }
111.         faceSet.setLogicalLength(0);  // Clear the array
112. }

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