Function cloneRegion

source/MRMesh/MRObjectMesh.cpp:405–432

}

std::shared_ptr<MR::ObjectMesh> cloneRegion( const std::shared_ptr<ObjectMesh>& objMesh, const FaceBitSet& region, bool copyTexture /*= true */ )
{
    VertMapOrHashMap vertMap;
    FaceMapOrHashMap faceMap;
    PartMapping partMapping;
    if ( !objMesh->getVertsColorMap().empty() || !objMesh->getUVCoords().empty() )
        partMapping.tgt2srcVerts = &vertMap;
    if ( !objMesh->getFacesColorMap().empty() || !objMesh->getTexturePerFace().empty() )
        partMapping.tgt2srcFaces = &faceMap;
    std::shared_ptr<Mesh> newMesh = std::make_shared<Mesh>( objMesh->mesh()->cloneRegion( region, false, partMapping ) );
    std::shared_ptr<ObjectMesh> newObj = std::make_shared<ObjectMesh>();
    newObj->setFrontColor( objMesh->getFrontColor( true ), true );
    newObj->setFrontColor( objMesh->getFrontColor( false ), false );
    newObj->setBackColor( objMesh->getBackColor() );
    newObj->setMesh( newMesh );
    newObj->setAllVisualizeProperties( objMesh->getAllVisualizeProperties() );
    if ( copyTexture )
    {
        newObj->copyTextureAndColors( *objMesh, *vertMap.getMap(), *faceMap.getMap() );
    }
    else
    {
        newObj->copyColors( *objMesh, *vertMap.getMap(), *faceMap.getMap() );
        newObj->setVisualizePropertyMask( MeshVisualizePropertyType::Texture, ViewportMask( 0 ) );
    }
    newObj->setName( objMesh->name() + "_part" );
    return newObj;
}

} //namespace MR