【初级教程八】抽壳
本帖最后由 leven50 于 2024-10-31 14:59 编辑一、抽壳
概念:抽壳命令构造具有有限厚度的抽壳实体零件，该零件可具有或也可不具有开放面。
https://pingcode.xindicode.com/atlas/files/public/6654444fad4e589b72e08a61/origin-url?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWRfZm9yX3B1YmljX2ltYWdlIjoiNDVkYmM4OWRkNTA2NDg2NWEwODE0MzIxMzRkNTA1OGMiLCJ0ZWFtX2Zvcl9wdWJsaWNfaW1hZ2UiOiI2NDNlN2YxNDgzZTVhNDVkNzdkYzY2MzMiLCJpc19pbnRlcm5hbF90b2tlbiI6dHJ1ZSwiaWF0IjoxNzMwMTA3NzM4LCJleHAiOjE3MzAxMTg1Mzh9.JlRUXI4U47w8czvx1YgFXv81Bv5jTMtd78s4W1hVLQc
API：
ThinwallPtr Add(
enum FeaturePropertyConstants ThicknessSide,//FeaturePropertyConstants常量集的成员，该常量集指定偏移边(内部、外部或对称)。
double CommonThickness,//指定没有唯一厚度的所有面的厚度。该值必须大于零。
const _variant_t& OpenFaces = vtMissing,//指定要删除或打开的面
const _variant_t& NumberOfUniqueThicknesses = vtMissing,
const _variant_t& UniqueThicknessesArray = vtMissing,
const _variant_t& UniqueThicknessFaceListArray = vtMissing); 示例代码：
void AddThinWalls()
{
Application* application = TGAddinApp::GetTGApp()->GetApplication();
TGPart::PartDocumentPtr pDoc = application->GetActiveDocument();
// 新建草图
TGPart::SketchPtr pSketch = pDoc->Sketches->Add();
//参考平面
TGPart::RefPlanePtr pRefplane = pDoc->GetRefPlanes()->Item(3);
// 轮廓
TGPart::ProfilePtr pProfile = pSketch->GetProfiles()->Add(pRefplane);
// 创建一个中线点为(0.0,0.0),长度为0.1，宽度为0.08的矩形
CreateRectangle(pProfile);
CComSafeArray<IDispatch*> aProfiles(1);
aProfiles = pProfile;
// 基于矩形去进行拉伸,右侧拉伸、长度为0.05
TGPart::ModelPtr model = pDoc->Models->AddFiniteExtrudedProtrusion(
1,
aProfiles.GetSafeArrayPtr(),
TGPart::FeaturePropertyConstants::igRight,
0.05);
TGGeometry::FacesPtr pSideFaces = (TGGeometry::FacesPtr)(model->GetExtrudedProtrusions()->Item(1)->GetSideFaces());
// 需要开放的面
IDispatchPtr s = pSideFaces->Item(1);
_variant_t OpenFaces(static_cast<IDispatch*>(s));
// 抽壳操作，开放一个面，厚度为0.01
ThinwallsPtr pThinwalls = pDoc->Models->Item(1)->GetThinwalls();
ThinwallPtr pThinwall = pThinwalls->Add(FeaturePropertyConstants::igOutside, 0.01, OpenFaces);
} 示例效果：
https://pingcode.xindicode.com/atlas/files/public/66543b32ad4e589b72e08a35/origin-url?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWRfZm9yX3B1YmljX2ltYWdlIjoiNDVkYmM4OWRkNTA2NDg2NWEwODE0MzIxMzRkNTA1OGMiLCJ0ZWFtX2Zvcl9wdWJsaWNfaW1hZ2UiOiI2NDNlN2YxNDgzZTVhNDVkNzdkYzY2MzMiLCJpc19pbnRlcm5hbF90b2tlbiI6dHJ1ZSwiaWF0IjoxNzMwMTA3NzM4LCJleHAiOjE3MzAxMTg1Mzh9.JlRUXI4U47w8czvx1YgFXv81Bv5jTMtd78s4W1hVLQc
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