anonymous_namespace{CoordinateSystem.cpp} Namespace Reference

Functions
unsigned char	getCoordinateSystem (GeoLib::AABB const &bbox)

Function Documentation

getCoordinateSystem()

unsigned char anonymous_namespace{CoordinateSystem.cpp}::getCoordinateSystem

(

GeoLib::AABB const &

bbox

)

Definition at line 14 of file MeshLib/CoordinateSystem.cpp.

{
    unsigned char coords = 0;
 
    auto const [bbox_min, bbox_max] = bbox.getMinMaxPoints();
    Eigen::Vector3d const pt_diff = bbox_max - bbox_min;
 
    // The axis aligned bounding box is a from the right half-open interval.
    // Therefore, the difference between the particular coordinates of the
    // points is modified by the unit in the last place towards zero.
    if (std::nexttoward(std::abs(pt_diff[0]), 0.0) > .0)
    {
        coords |= MeshLib::CoordinateSystemType::X;
    }
    if (std::nexttoward(std::abs(pt_diff[1]), 0.0) > .0)
    {
        coords |= MeshLib::CoordinateSystemType::Y;
    }
    if (std::nexttoward(std::abs(pt_diff[2]), 0.0) > .0)
    {
        coords |= MeshLib::CoordinateSystemType::Z;
    }
 
    return coords;
}

References GeoLib::AABB::getMinMaxPoints(), MeshLib::CoordinateSystemType::X, MeshLib::CoordinateSystemType::Y, and MeshLib::CoordinateSystemType::Z.