CloudPrepare.h

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// Copyright (C) Geom Software e.U, Bernhard Kornberger, Graz/Austria
//
// This file is part of the Fade2D library. The student license is free
// of charge and covers personal non-commercial research. Licensees
// holding a commercial license may use this file in accordance with
// the Commercial License Agreement.
//
// This software is provided AS IS with NO WARRANTY OF ANY KIND,
// INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE.
//
// Please contact the author if any conditions of this licensing are
// not clear to you.
//
// Author: Bernhard Kornberger, bkorn (at) geom.at
// http://www.geom.at

#pragma once

#include "common.h"
#if GEOM_PSEUDO3D==GEOM_TRUE

#include "Point2.h"

namespace GEOM_FADE25D {

enum SumStrategy
{
    SMS_MINIMUM, 
    SMS_MAXIMUM, 
    SMS_MEDIAN, 
    SMS_AVERAGE 
};

enum ConvexHullStrategy
{
    CHS_NOHULL, 
    CHS_MAXHULL, 
    CHS_MINHULL 
};
class CloudPrepareImpl; // FWD





class CLASS_DECLSPEC CloudPrepare
{
public:
    CloudPrepare();
    ~CloudPrepare();

    // ADD
    void add(double x,double y,double z,int customIndex=-1);
    void add(std::vector<Point2>& vPoints);
    void add(size_t numPoints,double * aCoordinates);

    // REDUCE
    void uniformSimplifyGrid(double gridLength,SumStrategy sms,ConvexHullStrategy chs);
    void uniformSimplifyNum(int approxNumPoints,SumStrategy sms,ConvexHullStrategy chs);
    void adaptiveSimplify(double maxDiffZ,SumStrategy sms,ConvexHullStrategy chs);

    // BOUNDS
    double getRangeX();
    double getRangeY();
    double getRangeZ();
    void getBounds(double& minX,double& minY,double& minZ,double& maxX,double& maxY,double& maxZ);

    // Convex Hull
    bool computeConvexHull(bool bAllPoints,std::vector<Point2>& vConvexHull);

    // Points
    size_t getNumPoints() const;
    void getPoints(std::vector<Point2>& vPointsOut) const;
    void clear();
protected:

private:
    CloudPrepareImpl* pImpl;
private:
    CloudPrepare(const CloudPrepare&);
};

} // NAMESPACE

// up to here: if GEOM_PSEUDO3D==GEOM_TRUE
#elif GEOM_PSEUDO3D==GEOM_FALSE
    namespace GEOM_FADE2D {
#else
    #error GEOM_PSEUDO3D is not defined
#endif