官方网站的作用,c 网站建设报告,情感式软文广告,南充房产程序示例精选 VSQtopencascade三维绘图stp/step/igs/stl格式图形读取显示 如需安装运行环境或远程调试#xff0c;见文章底部个人QQ名片#xff0c;由专业技术人员远程协助#xff01; 前言
这篇博客针对《VSQtopencascade三维绘图stp/step/igs/stl格式图形读取显示》编写… 程序示例精选 VSQtopencascade三维绘图stp/step/igs/stl格式图形读取显示 如需安装运行环境或远程调试见文章底部个人QQ名片由专业技术人员远程协助 前言
这篇博客针对《VSQtopencascade三维绘图stp/step/igs/stl格式图形读取显示》编写代码代码整洁规则易读。 学习与应用推荐首选。 运行结果 文章目录
一、所需工具软件 二、使用步骤 1. 主要代码 2. 运行结果 三、在线协助
一、所需工具软件 1. VS2019, Qt 2. C
二、使用步骤
代码如下示例 //#define WNT
#include gp_Circ.hxx
#include gp_Elips.hxx
#include gp_Sphere.hxx
#include Poly_Polygon3D.hxx
#include Poly_Triangulation.hxx
#include TopTools_ListIteratorOfListOfShape.hxx
#include TopTools_HSequenceOfShape.hxx
#include BRepBuilderAPI_MakeVertex.hxx
#include BRepBuilderAPI_MakeEdge.hxx
#include IGESControl_Controller.hxx
#include IGESControl_Writer.hxx
#include IGESControl_Reader.hxx
#include TopoDS_Edge.hxx
#include TopoDS_Face.hxx
#include TopoDS.hxx
#include BRep_Tool.hxx
#include XBRepMesh.hxx
#include BRepMesh_IncrementalMesh.hxx
#include BRepBuilderAPI_MakeEdge.hxx
#include BRepBuilderAPI_MakeFace.hxx
#include BRepAdaptor_Curve.hxx
#include GCPnts_TangentialDeflection.hxx
#include TopExp_Explorer.hxx
#include Standard_TypeDef.hxx
#include vtkRenderer.h
#include vtkRenderer.h
#include vtkRenderWindowInteractor.h
#include vtkProperty.h
#include vtkTriangle.h
void BuildMesh(vtkRenderer* render, const TopoDS_Face face, double deflection 0.1)
{TopLoc_Location location;//BRepMesh::Mesh(face, deflection);该函数已经弃用BRepMesh_IncrementalMesh(face, deflection);Handle_Poly_Triangulation triFace BRep_Tool::Triangulation(face, location);Standard_Integer nTriangles triFace-NbTriangles();gp_Pnt vertex1;gp_Pnt vertex2;gp_Pnt vertex3;Standard_Integer nVertexIndex1 0;Standard_Integer nVertexIndex2 0;Standard_Integer nVertexIndex3 0;TColgp_Array1OfPnt nodes(1, triFace-NbNodes());Poly_Array1OfTriangle triangles(1, triFace-NbTriangles());nodes triFace-Nodes();triangles triFace-Triangles();vtkSmartPointervtkPoints points vtkSmartPointervtkPoints::New();vtkSmartPointervtkCellArray cells vtkSmartPointervtkCellArray::New();vtkSmartPointervtkPolyData polyData vtkSmartPointervtkPolyData::New();points-Allocate(nTriangles * 3);cells-Allocate(nTriangles);int id 0;for (Standard_Integer i 1; i nTriangles; i){Poly_Triangle aTriangle triangles.Value(i);aTriangle.Get(nVertexIndex1, nVertexIndex2, nVertexIndex3);vertex1 nodes.Value(nVertexIndex1).Transformed(location.Transformation());vertex2 nodes.Value(nVertexIndex2).Transformed(location.Transformation());vertex3 nodes.Value(nVertexIndex3).Transformed(location.Transformation());points-InsertNextPoint(vertex1.X(), vertex1.Y(), vertex1.Z());points-InsertNextPoint(vertex2.X(), vertex2.Y(), vertex2.Z());points-InsertNextPoint(vertex3.X(), vertex3.Y(), vertex3.Z());vtkSmartPointervtkTriangle triangle vtkSmartPointervtkTriangle::New();triangle-GetPointIds()-SetId(0, id * 3);triangle-GetPointIds()-SetId(1, id * 3 1);triangle-GetPointIds()-SetId(2, id * 3 2);// Add the triangle to a cell arraycells-InsertNextCell(triangle);id;}polyData-SetPoints(points);polyData-SetPolys(cells);vtkSmartPointervtkPolyDataMapper sourceMapper vtkSmartPointervtkPolyDataMapper::New();//setInput函数已经弃用使用SetInputData()sourceMapper-SetInputData(polyData);vtkSmartPointervtkActor sourceActor vtkSmartPointervtkActor::New();sourceActor-SetMapper(sourceMapper);sourceActor-GetProperty()-SetColor(1, 0, 0);render-AddActor(sourceActor);
}
void BuildScene(vtkRenderer* renderer, Handle(TopTools_HSequenceOfShape) aHSequenceOfShape)
{Standard_Integer index aHSequenceOfShape-Length();TopoDS_Shape theCompSolid aHSequenceOfShape-ChangeValue(index);}
}
//这里添加三行代码
VTK_MODULE_INIT(vtkRenderingOpenGL2);
VTK_MODULE_INIT(vtkRenderingFreeType);
VTK_MODULE_INIT(vtkInteractionStyle);int main(void){vtkSmartPointervtkRenderer renderer vtkSmartPointervtkRenderer::New();vtkSmartPointervtkRenderWindow renderWindow vtkSmartPointervtkRenderWindow::New();renderWindow-AddRenderer(renderer);Standard_Integer status ReadIGES(cylinder.igs, aHSequenceOfShape);cout return status: status endl;BuildScene(renderer, aHSequenceOfShape);renderer-SetBackground(1, 1, 1);// Render and interactrenderWindow-Render();renderWindowInteractor-Start();return 0;}
运行结果 三、在线协助
如需安装运行环境或远程调试见文章底部个人 QQ 名片由专业技术人员远程协助 1远程安装运行环境代码调试 2Visual Studio, Qt, C, Python编程语言入门指导 3界面美化 4软件制作 当前文章连接https://blog.csdn.net/alicema1111/article/details/132666851 个人博客主页https://blog.csdn.net/alicema1111?typeblog 博主所有文章点这里https://blog.csdn.net/alicema1111?typeblog
