CloudCompare forum

Code: Select all

#include <stdlib.h>
#include <iostream>
#include <STLFilter.h>
#include <Delaunay2dMesh.h>
#include <qstring.h>
#include <AsciiFilter.h>
#include <ccMesh.h>




static ccHObject::Container clouds;
static ccMesh* mesh;

using namespace std;

int main(int argc, char* argv) {

	QString directory_test("F:\\Mesh.xyz");
	//ccHObject::Container clouds;

	FileIOFilter::LoadParameters parameters;
	AsciiFilter::loadFile(directory_test, clouds, parameters);
	
	double s_meshMaxEdgeLength = 15.0;
	bool updateNormals = true;
	CC_TRIANGULATION_TYPES type;

	for (size_t i = 0; i < clouds.size(); ++i)
	{
		ccHObject* ent = clouds[i];
		assert(ent->isKindOf(CC_TYPES::POINT_CLOUD));

		//compute mesh
		ccGenericPointCloud* cloud = ccHObjectCaster::ToGenericPointCloud(ent);
		ccMesh* mesh = ccMesh::Triangulate(cloud,
			type,
			updateNormals,
			static_cast<PointCoordinateType>(s_meshMaxEdgeLength),
			2 //XY plane by default
			);

	}
	FILE* thefile = fopen("Mesh_Test.stl", "wb");
	QWidget *parentWidget = (QWidget *)0;

	STLFilter::saveToASCIIFile(mesh,thefile,*parentWidget);

	return EXIT_SUCCESS;
}

Code: Select all

#include <stdlib.h>
#include <iostream>
#include <STLFilter.h>
#include <Delaunay2dMesh.h>
#include <qstring.h>
#include <AsciiFilter.h>
#include <ccMesh.h>

using namespace std;

int main(int argc, char* argv)
{
  //if you want to use Qt, you have to instantiate a Qt application first
  QApplication app;

   QString directory_test("F:\\Mesh.xyz");
  ccHObject::Container clouds;
   FileIOFilter::LoadParameters parameters;
   //you have to instantiate the AsciiFilter before using it (loadFile is not a static function)
   //(another way is to use FileIOFilter::LoadFromFile which is static)
   if (AsciiFilter().loadFile(directory_test, clouds, parameters) != CC_FERR_NO_ERROR)
   {
     return EXIT_FAILURE;
   }
   
   double meshMaxEdgeLength = 15.0;
   bool updateNormals = true;
   CC_TRIANGULATION_TYPES type = DELAUNAY_2D_AXIS_ALIGNED; //you have to chose the triangulation type here!

   for (size_t i = 0; i < clouds.size(); ++i)
   {
      ccHObject* ent = clouds[i];
      assert(ent->isKindOf(CC_TYPES::POINT_CLOUD));

      //compute mesh
      ccGenericPointCloud* cloud = ccHObjectCaster::ToGenericPointCloud(ent);
      ccMesh* mesh = ccMesh::Triangulate(cloud,
         type,
         updateNormals,
         static_cast<PointCoordinateType>(meshMaxEdgeLength),
         2 //XY plane by default
         );
         
      if (!mesh)
      {
        //failed to triangulate the point cloud
        continue;
      }

     FILE* thefile = fopen(QString("Mesh_%1_Test.stl").arg(i), "wb"); //you need one file per cloud
     if (!theFile)
     {
       //failed to open the file for writing
     	continue;
    }

     //Same thing for the STLFilter, you have to insantiate it before using it
     //And you don't have access to 'saveToASCIIFile' (it's protected). You can either change the code so as to make it 'public'
     //or directly change the default state of 'binaryMode' in saveToFile.
     STLFilter().saveToASCIIFile(mesh, thefile, *parentWidget);
   
     //don't forget to close the file
     fclose(thefile);
   
     //don't forget to clean the memory
     delete mesh;

   } //the loop should end here (and not before saving the file)

   return EXIT_SUCCESS;
}