将数据保存成stl等格式.docx

#include vtkRenderer.h#include vtkRenderWindow.h#include vtkRenderWindowInteractor.h#include vtkUnstructuredGrid.h#include vtkDataSetMapper.h#include vtkActor.h#include vtkCellType.h#include vtkProperty.h#include vtkInteractorStyleTrackballCamera.h#include vtkRenderer.h#include vtkRenderWindow.h#include vtkRenderWindowInteractor.h#include vtkFloatArray.h#include vtkRectilinearGrid.h#include vtkRectilinearGridGeometryFilter.h#include vtkPolyDataMapper.h#include vtkActor.h#include vtkProperty.h#include vtkCamera.h#include vtkInteractorStyleTrackballCamera.h#include vtkRenderWindowInteractor.h#include vtkSTLWriter.h#include vtkTriangleFilter.h#include vtkPolyData.h#include vtkCellArray.hconst int Nface=612;const int Nvertice=331;double char2num(char *s) double d=0; int i,t=0; double flag=1; int ii=0; if(s0=-) flag = -1; ii=1; for (i=ii;si!=NULL;i+) if(si=.) t = 10; if(t=0) d = d*10 + (si-0); else if(si!=.) d = d + (double)(si-0)/t; t *=10; return d*flag;int main ()ifstream fin(D:UsersliushuaiDesktopmatvertice.txt);int i=0;double xNface3;char p100;while(!fin.eof() /读取数据到数组,file.eof()判断文件是否为空fin.getline(p,100);xi/3i-i/3*3=char2num(p);/coutp char2num(p)endl;i+;ifstream fin1(D:UsersliushuaiDesktopmatface.txt);int ptsNface8;i=0;while(!fin1.eof()fin1.getline(p,20);ptsi/3i-i/3*3=(int)char2num(p)-1;i+;std:coutiAddRenderer(renderer); vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor:New(); iren-SetRenderWindow(renWin); vtkPolyData *sphere = vtkPolyData:New(); vtkCellArray *polys = vtkCellArray:New(); vtkPoints *points = vtkPoints:New(); for (i=0; iInsertPoint(i,xi); for(i=0;iInsertNextCell(3,ptsi); sphere-SetPoints(points); points-Delete(); sphere-SetPolys(polys); polys-Delete(); vtkPolyDataMapper *sphereMapper = vtkPolyDataMapper:New(); sphereMapper-SetInputData(sphere); vtkActor *sphereActor = vtkActor:New(); sphereActor-SetMapper(sphereMapper); vtkSTLWriter* partW = vtkSTLWriter:New();partW-SetInputData(sphere);/将三角化后的模型数据导入STL输出器中partW-SetFileName(D:UsersliushuaiDesktopmatsphere.stl);/设置输出文件名称partW-SetFileTypeToASCII();partW-Update(); renderer-AddActor(sphereActor); renderer-SetBackground(1,1,1); renWin-SetSize(600,600);renderer-GetActiveCamera()-SetPosition(40,0,0); renderer-GetActiveCamera()-SetFocalPoint(0,0,0); renderer-GetActiveCamera()-SetClippingRange(-30,30); / 指定交互器的交互方式。 vtkInteractorStyleTrackballCamer