geohandlers_example_00002.cpp

Example of usage of stitching block of two input geometries.Using: MimmoGeometry, StitchGeometry, Chain, Partition(MPI version)

To run : ./geohandlers_example_00002
To run (MPI version): mpirun -np X geohandlers_example_00002
visit: mimmo website

/*---------------------------------------------------------------------------*\
 *
 *  mimmo
 *
 *  Copyright (C) 2015-2021 OPTIMAD engineering Srl
 *
 *  -------------------------------------------------------------------------
 *  License
 *  This file is part of mimmo.
 *
 *  mimmo is free software: you can redistribute it and/or modify it
 *  under the terms of the GNU Lesser General Public License v3 (LGPL)
 *  as published by the Free Software Foundation.
 *
 *  mimmo is distributed in the hope that it will be useful, but WITHOUT
 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 *  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 *  License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with mimmo. If not, see <http://www.gnu.org/licenses/>.
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 \ *---------------------------------------------------------------------------*/
 
#include "mimmo_geohandlers.hpp"
#if MIMMO_ENABLE_MPI
#include "mimmo_parallel.hpp"
#endif
 
// =================================================================================== //
// =================================================================================== //
 
void test00002() {
 
    /*
        Read a sphere from STL file. Convert mode is to save the just read geometry in
        another file with name geohandlers_output_00002.0000.stl
     */
    mimmo::MimmoGeometry * mimmo0 = new mimmo::MimmoGeometry(mimmo::MimmoGeometry::IOMode::CONVERT);
    mimmo0->setReadDir("geodata");
    mimmo0->setReadFilename("sphere2");
    mimmo0->setReadFileType(FileType::STL);
    mimmo0->setWriteDir("./");
    mimmo0->setWriteFileType(FileType::STL);
    mimmo0->setWriteFilename("geohandlers_output_00002.0000");
 
    /*
        Read the Stanford bunny from STL file. Convert mode is to save the just read geometry in
        another file with name geohandlers_output_00002.0001.stl
     */
    mimmo::MimmoGeometry * mimmo1 = new mimmo::MimmoGeometry(mimmo::MimmoGeometry::IOMode::CONVERT);
    mimmo1->setReadDir("geodata");
    mimmo1->setReadFilename("stanfordBunny2");
    mimmo1->setReadFileType(FileType::STL);
    mimmo1->setWriteDir("./");
    mimmo1->setWriteFileType(FileType::STL);
    mimmo1->setWriteFilename("geohandlers_output_00002.0001");
 
    /*
        Write the stiched geometry to STL file.
     */
    mimmo::MimmoGeometry * mimmo2 = new mimmo::MimmoGeometry(mimmo::MimmoGeometry::IOMode::WRITE);
    mimmo2->setWriteDir("./");
    mimmo2->setWriteFileType(FileType::STL);
    mimmo2->setWriteFilename("geohandlers_output_00002.0002");
 
#if MIMMO_ENABLE_MPI
 
    /* Block to distribute among processors the sphere geometry */
    mimmo::Partition* partition0 = new mimmo::Partition();
    partition0->setPartitionMethod(mimmo::PartitionMethod::PARTGEOM);
    partition0->setPlotInExecution(true);
 
    /* Block to distribute among processors the bunny geometry */
    mimmo::Partition* partition1 = new mimmo::Partition();
    partition1->setPartitionMethod(mimmo::PartitionMethod::PARTGEOM);
    partition1->setPlotInExecution(true);
#endif
 
    /*
       Stitcher of multiple geometries.
     * Plot Optional results during execution active for Stitcher block.
     */
    mimmo::StitchGeometry * stitcher = new mimmo::StitchGeometry(1);
    stitcher->setPlotInExecution(true);
    stitcher->setOutputPlot(".");
 
    /*
        Setup block pin connections.
     */
#if MIMMO_ENABLE_MPI
    mimmo::pin::addPin(mimmo0, partition0, M_GEOM, M_GEOM);
    mimmo::pin::addPin(partition0, stitcher, M_GEOM, M_GEOM);
    mimmo::pin::addPin(mimmo1, partition1, M_GEOM, M_GEOM);
    mimmo::pin::addPin(partition1, stitcher, M_GEOM, M_GEOM);
#else
    mimmo::pin::addPin(mimmo0, stitcher, M_GEOM, M_GEOM);
    mimmo::pin::addPin(mimmo1, stitcher, M_GEOM, M_GEOM);
#endif
    mimmo::pin::addPin(stitcher, mimmo2, M_GEOM, M_GEOM);
 
    /*
        Setup execution chain.
     */
    mimmo::Chain ch0;
    ch0.addObject(mimmo0);
    ch0.addObject(mimmo1);
#if MIMMO_ENABLE_MPI
    ch0.addObject(partition0);
    ch0.addObject(partition1);
#endif
    ch0.addObject(stitcher);
    ch0.addObject(mimmo2);
 
    /*
        Execution the chain.
        Use debug flag true to to print out the execution steps.
     */
    ch0.exec(true);
 
    /* Clean up & exit;
     */
    delete mimmo0;
    delete mimmo1;
#if MIMMO_ENABLE_MPI
    delete partition0;
    delete partition1;
#endif
    delete mimmo2;
    delete stitcher;
 
    return;
}
 
// =================================================================================== //
 
int main( int argc, char *argv[] ) {
 
    BITPIT_UNUSED(argc);
    BITPIT_UNUSED(argv);
 
#if MIMMO_ENABLE_MPI
    MPI_Init(&argc, &argv);
#endif
 
        try{
            test00002() ;
        }
        catch(std::exception & e){
            std::cout<<"geohandlers_example_00002 exited with an error of type : "<<e.what()<<std::endl;
            return 1;
        }
#if MIMMO_ENABLE_MPI
    MPI_Finalize();
#endif
 
    return 0;
}