ecvQuadric.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
// Local
#include "ecvGenericPrimitive.h"
 
 
class CV_DB_LIB_API ccQuadric : public ccGenericPrimitive {
public:
 
    static const unsigned DEFAULT_DRAWING_PRECISION = 24;
 
 
    ccQuadric(CCVector2 minCorner,
              CCVector2 maxCorner,
              const PointCoordinateType eq[6],
              const Tuple3ub* dims = 0,
              const ccGLMatrix* transMat = 0,
              QString name = QString("Quadric"),
              unsigned precision = DEFAULT_DRAWING_PRECISION);
 
 
    ccQuadric(QString name = QString("Quadric"));
 
    virtual CV_CLASS_ENUM getClassID() const override {
        return CV_TYPES::QUADRIC;
    }
 
    // inherited from ccGenericPrimitive
    virtual QString getTypeName() const override { return "Quadric"; }
    virtual bool hasDrawingPrecision() const override { return true; }
    virtual ccGenericPrimitive* clone() const override;
 
    // inherited from ccHObject
    virtual ccBBox getOwnFitBB(ccGLMatrix& trans) override;
 
    const CCVector2& getMinCorner() const { return m_minCorner; }
    const CCVector2& getMaxCorner() const { return m_maxCorner; }
 
    inline const PointCoordinateType* getEquationCoefs() const { return m_eq; }
 
    inline const Tuple3ub& getEquationDims() const { return m_dims; }
 
 
    PointCoordinateType projectOnQuadric(const CCVector3& P,
                                         CCVector3& Q) const;
 
    QString getEquationString() const;
 
 
    static ccQuadric* Fit(cloudViewer::GenericIndexedCloudPersist* cloud,
                          double* rms /*=0*/);
 
protected:
    // inherited from ccGenericPrimitive
    bool toFile_MeOnly(QFile& out, short dataVersion) const override;
    short minimumFileVersion_MeOnly() const override;
    bool fromFile_MeOnly(QFile& in,
                         short dataVersion,
                         int flags,
                         LoadedIDMap& oldToNewIDMap) override;
    virtual bool buildUp() override;
 
    CCVector2 m_minCorner;
    CCVector2 m_maxCorner;
 
    PointCoordinateType m_eq[6];
 
    Tuple3ub m_dims;
 
    PointCoordinateType m_minZ;
    PointCoordinateType m_maxZ;
};