key_for_contour()

template<ComputeData InputType = std::shared_ptr<Kakshya::SignalSourceContainer>, ComputeData OutputType = InputType>

float MayaFlux::Yantra::VisionSorter< InputType, OutputType >::key_for_contour ( const Kinesis::Vision::Contour &  contour ) const

inlineprivate

Definition at line 305 of file VisionSorter.hpp.

    {
        switch (m_key) {
        case VisionSortKey::AREA:
            return contour.area;
        case VisionSortKey::PERIMETER:
            return contour.perimeter;
        case VisionSortKey::WIDTH:
        case VisionSortKey::HEIGHT:
        case VisionSortKey::CENTROID_X:
        case VisionSortKey::CENTROID_Y: {
            if (contour.points.empty())
                return 0.F;
            glm::vec2 mn = contour.points[0], mx = contour.points[0];
            for (const auto& p : contour.points) {
                if (p.x < mn.x)
                    mn.x = p.x;
                if (p.y < mn.y)
                    mn.y = p.y;
                if (p.x > mx.x)
                    mx.x = p.x;
                if (p.y > mx.y)
                    mx.y = p.y;
            }
            if (m_key == VisionSortKey::WIDTH)
                return mx.x - mn.x;
            if (m_key == VisionSortKey::HEIGHT)
                return mx.y - mn.y;
            if (m_key == VisionSortKey::CENTROID_X)
                return (mn.x + mx.x) * 0.5F;
            return (mn.y + mx.y) * 0.5F;
        }
        }
        return 0.F;
    }

References MayaFlux::Kinesis::Vision::Contour::area, MayaFlux::Yantra::AREA, MayaFlux::Yantra::CENTROID_X, MayaFlux::Yantra::CENTROID_Y, MayaFlux::Yantra::HEIGHT, MayaFlux::Yantra::VisionSorter< InputType, OutputType >::m_key, MayaFlux::Kinesis::Vision::Contour::perimeter, MayaFlux::Yantra::PERIMETER, MayaFlux::Kinesis::Vision::Contour::points, and MayaFlux::Yantra::WIDTH.

Referenced by MayaFlux::Yantra::VisionSorter< InputType, OutputType >::compute_key(), and MayaFlux::Yantra::VisionSorter< InputType, OutputType >::key_for().

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