Gabriele Cosmo
112 lines
3.9 KiB
C++
112 lines
3.9 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: G4KnotVector.hh,v 1.10 2007/05/11 13:49:31 gcosmo Exp $
|
|
// GEANT4 tag $Name: geant4-09-01 $
|
|
//
|
|
// ----------------------------------------------------------------------
|
|
// Class G4KnotVector
|
|
//
|
|
// Class description:
|
|
//
|
|
// Utility class for operations on a vector of knots.
|
|
|
|
// Authors: J.Sulkimo, P.Urban.
|
|
// Revisions by: L.Broglia, G.Cosmo.
|
|
// ----------------------------------------------------------------------
|
|
#ifndef __KNOTVECTOR_H
|
|
#define __KNOTVECTOR_H
|
|
|
|
#include <cmath>
|
|
#include "geomdefs.hh"
|
|
|
|
class G4KnotVector
|
|
{
|
|
|
|
public: // with description
|
|
|
|
G4KnotVector();
|
|
G4KnotVector(G4int sz);
|
|
~G4KnotVector();
|
|
// Constructors & destructor.
|
|
|
|
G4KnotVector(const G4KnotVector& orig);
|
|
// Copy constructor.
|
|
|
|
G4KnotVector& operator=(const G4KnotVector& right);
|
|
// Assignment operator.
|
|
|
|
inline G4int GetSize() const;
|
|
// Gets number of knots.
|
|
|
|
inline G4double GetKnot(G4int knot_number) const;
|
|
// Retrieves knot from knot vector index knot_number.
|
|
|
|
inline void PutKnot(G4int knot_number, G4double value);
|
|
// Sets knot vector index knot_number to value.
|
|
|
|
G4KnotVector* MultiplyKnotVector(G4int num, G4double value);
|
|
// Adds the internal knots to the new knot vector.
|
|
|
|
G4double* MergeKnotVector(const G4double *knots_to_add, G4int add_size);
|
|
// Creates the new vector by merging the old vector with the
|
|
// knots in the vector knots_to_add.
|
|
|
|
G4int CheckKnotVector(G4double val) const;
|
|
// Finds out how many times val occurs in the knot vector.
|
|
|
|
void ExtractKnotVector(G4KnotVector* kv, G4int upper, G4int lower);
|
|
// Copies either the first half or the second half of
|
|
// the new knot vector values to the knot vectors of the
|
|
// new surfaces created by splitting.
|
|
|
|
G4int GetKnotIndex(G4double k_value, G4int order) const;
|
|
// Searches the knot vector for the value and returns the index
|
|
// This is used in the evaluation of the intersection to find
|
|
// out between which knots the intersection point is on the b-spline
|
|
// surface.
|
|
|
|
private:
|
|
|
|
inline G4double ApxEq(G4double x, G4double y) const;
|
|
|
|
private:
|
|
|
|
G4int k_size;
|
|
// Number of knots.
|
|
|
|
G4double *knots;
|
|
// Knot vector.
|
|
|
|
G4double kCarTolerance;
|
|
// Surface thickness.
|
|
|
|
};
|
|
|
|
#include "G4KnotVector.icc"
|
|
|
|
#endif
|