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//##########################################################################
//# #
//# CLOUDCOMPARE PLUGIN: qCANUPO #
//# #
//# This program is free software; you can redistribute it and/or modify #
//# it under the terms of the GNU General Public License as published by #
//# the Free Software Foundation; version 2 or later of the License. #
//# #
//# This program is distributed in the hope that it will be useful, #
//# but WITHOUT ANY WARRANTY; without even the implied warranty of #
//# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
//# GNU General Public License for more details. #
//# #
//# COPYRIGHT: UEB (UNIVERSITE EUROPEENNE DE BRETAGNE) / CNRS #
//# #
//##########################################################################
/** This file is directly inspired of the equivalently named file in the
original CANUPO project, by N. Brodu and D. Lague.
**/
#ifndef QCANUPO_CLASSIFIER_HEADER
#define QCANUPO_CLASSIFIER_HEADER
//Local
#include "ccPointDescriptor.h"
//CCLib
#include <CCGeom.h>
//Qt
#include <QString>
//system
#include <vector>
//! Classifier
class Classifier
{
public: //methods
//! 2D point
typedef Vector2Tpl<float> Point2D;
//! Default constructor
Classifier();
//! Checks the ref. points
/** Exchanges refPointPos and refPointNeg if necessary
as the user may have moved them.
**/
bool checkRefPoints();
//! Checks numerical condition
float classify2D_checkcondnum(const Point2D& P, const Point2D& R, float& condnumber) const;
//! Classification in the 2D space
float classify2D(const Point2D& P) const;
//! Projects a parameter vector in (2D) MSC space
Point2D project(const CorePointDesc& mscdata) const;
//! Classification in MSC space
float classify(const CorePointDesc& mscdata) const;
//! Classifier's file header info
struct FileHeader
{
unsigned classifierCount;
unsigned dimPerScale;
unsigned descID;
};
//! Loads a CANUPO's classifier file (.prm)
static bool Load( QString filename,
std::vector<Classifier>& classifiers,
std::vector<float>& scales,
QString& error,
FileHeader* header = 0,
bool headerOnly = false);
//! Saves classifier as a CANUPO's classifier file (.prm)
bool save( QString filename,
QString& error );
public: //members
int class1, class2;
std::vector<float> weightsAxis1, weightsAxis2;
std::vector<Point2D> path;
float absMaxXY, axisScaleRatio;
Point2D refPointPos, refPointNeg;
//! Associated descriptor ID (see ccPointDescriptor.h)
unsigned descriptorID;
//! Dimension (per-scale)
unsigned dimPerScale;
//! Associated scales
std::vector<float> scales;
};
#endif //QCANUPO_CLASSIFIER_HEADER
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