Open Inventor的VRML2转换SoToVRML2Action

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#include <Inventor/SoDB.h>  
  #include <Inventor/SoInteraction.h>  
  #include <Inventor/SoInput.h>  
  #include <Inventor/SoOutput.h>  
  #include <Inventor/actions/SoWriteAction.h>  
  #include <Inventor/actions/SoToVRML2Action.h>  
  #include <Inventor/nodes/SoSeparator.h>  
  #include <Inventor/VRMLnodes/SoVRMLGroup.h>   
  int  
  main(int argc, char *argv[])   
  {   
    SoDB::init();   
    SoInteraction::init();   
    SoInput in;   
    in.openFile(argv[1]);   
    printf("Reading...
");   
    SoSeparator *root = SoDB::readAll(&in);   
    if (root) {   
      root->ref();   
      SbString hdr = in.getHeader();   
      in.closeFile();   
      printf("Converting...
");   
      SoToVRML2Action tovrml2;   
      tovrml2.apply(root);   
      SoVRMLGroup *newroot = tovrml2.getVRML2SceneGraph();   
      newroot->ref();   
      root->unref();   
      printf("Writing...
");   
      SoOutput out;   
      out.openFile("out.wrl");   
      out.setHeaderString("#VRML V2.0 utf8");   
      SoWriteAction wra(&out);   
      wra.apply(newroot);   
      out.closeFile();   
      newroot->unref();   
    }   
    return 0;   
  } 

补充：软件开发 , C语言 ,

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