genericinput_example_00004.cpp

Example of reading point positions and displacements related to a RBF manipulator, and applying deformation to a target meshUsing: IOCloudPoints, MRBF, MimmoGeometry, Chain

To run : ./genericinput_example_00003
To run (MPI version): mpirun -np X genericinput_example_00003
visit: mimmo website

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 *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 *  License for more details.
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#include "mimmo_iogeneric.hpp"
#include "MRBF.hpp"
 
// =================================================================================== //
 
 
void test00004() {
 
    /*
        Reading and Writing a STL geometry (namely a plane)
    */
    mimmo::MimmoGeometry * read = new mimmo::MimmoGeometry(mimmo::MimmoGeometry::IOMode::CONVERT);
     read->setReadDir("geodata");
     read->setReadFilename("plane4");
     read->setReadFileType(FileType::STL);
     read->setWriteDir(".");
     read->setWriteFilename("./genericinput_output_00004.0001");
     read->setWriteFileType(FileType::SURFVTU);
 
    /*
        Reading a point cloud and their associated displacements from file.
        These will serve as input to create the RBF manipulator
     */
     mimmo::IOCloudPoints * iocp = new mimmo::IOCloudPoints(true);
    iocp->setName("genericinput_example_00004_RBFSet");
    iocp->setReadDir("input");
    iocp->setReadFilename("generic_iocloud.txt");
    iocp->setPlotInExecution(true);
 
    /*
       Create the RBF manipulator. Shape and Support Radius of RBF function
       need to be specified
    */
    mimmo::MRBF * rbf = new mimmo::MRBF();
    rbf->setFunction(bitpit::RBFBasisFunction::C1C1);
    rbf->setSupportRadiusReal(0.6);
    rbf->setApply(true); //when chain executed, this will apply directly the deformation calculated to the target geometry
 
    /*
        Create block connections.
     */
    mimmo::pin::addPin(read, rbf, M_GEOM, M_GEOM);
    mimmo::pin::addPin(iocp, rbf, M_GEOM, M_GEOM2);
    mimmo::pin::addPin(iocp, rbf, M_VECTORFIELD, M_VECTORFIELD);
 
    /*
        Define the execution chain.
     */
    mimmo::Chain ch0;
    ch0.addObject(read);
    ch0.addObject(iocp);
    ch0.addObject(rbf);
 
 
    /*
        Execute the chain.
        Use debug flag true to print out the execution steps.
     */
    ch0.exec(true);
 
    /*
        print the deformed geometry
    */
    read->getGeometry()->getPatch()->write("./genericinput_output_00004.0002");
 
 
    /* Clean up & exit;
     */
    delete read;
    delete iocp;
    delete rbf;
 
}
 
// =================================================================================== //
 
int main( int argc, char *argv[] ) {
 
    BITPIT_UNUSED(argc);
    BITPIT_UNUSED(argv);
 
#if MIMMO_ENABLE_MPI
    MPI_Init(&argc, &argv);
#endif
 
        try{
            test00004();
        }
        catch(std::exception & e){
            std::cout<<"genericinput_example_00004 exited with an error of type : "<<e.what()<<std::endl;
            return 1;
        }
#if MIMMO_ENABLE_MPI
    MPI_Finalize();
#endif
 
    return 0;
}