MeshLib Documentation
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Points to Mesh Example

Example of generating a triangulation from a pointcloud.

  • C++
    #include <MRMesh/MRPointsLoad.h>
    #include <MRMesh/MRPointCloud.h>
    #include <MRMesh/MRPointCloudTriangulation.h>
    #include <MRMesh/MRMeshSave.h>
    #include <iostream>
    int main()
    {
    // load points
    auto loadRes = MR::PointsLoad::fromAnySupportedFormat( "Points.ply" );
    if ( !loadRes.has_value() )
    {
    std::cerr << loadRes.error() << "\n";
    return 1; // error while loading file
    }
    auto triangulationRes = MR::triangulatePointCloud( *loadRes );
    assert( triangulationRes ); // can be nullopt only if canceled by progress callback
    auto saveRes = MR::MeshSave::toAnySupportedFormat( *triangulationRes, "Mesh.ctm" );
    if ( !saveRes.has_value() )
    {
    std::cerr << saveRes.error() << "\n";
    return 1; // error while saving file
    }
    return 0;
    }
    int main()
    Definition LaplacianDeformation.cpp:4
    MRMESH_API Expected< PointCloud > fromAnySupportedFormat(const std::filesystem::path &file, const PointsLoadSettings &settings={})
    MRMESH_API Expected< void > toAnySupportedFormat(const Mesh &mesh, const std::filesystem::path &file, const SaveSettings &settings={})
    MRMESH_API std::optional< Mesh > triangulatePointCloud(const PointCloud &pointCloud, const TriangulationParameters &params={}, ProgressCallback progressCb={})
  • Python
    from meshlib import mrmeshpy as mm
    from pathlib import Path
    pc = mm.loadPoints("Points.ply")
    nefertiti_mesh = mm.triangulatePointCloud(pc)
    mm.saveMesh(nefertiti_mesh, "Mesh.ctm")