testChordGenericStandardPlaneComputer.cpp File Reference

#include <cstdlib>
#include <iostream>
#include <random>
#include <algorithm>
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/kernel/CPointPredicate.h"
#include "DGtal/geometry/surfaces/CAdditivePrimitiveComputer.h"
#include "DGtal/geometry/surfaces/ChordGenericStandardPlaneComputer.h"

Include dependency graph for testChordGenericStandardPlaneComputer.cpp:

Go to the source code of this file.

Functions
template<typename Integer >
Integer	getRandomInteger (const Integer &first, const Integer &after_last)
template<typename Domain >
std::vector< typename Domain::Point >	pointsInStandardPlane (const Domain &domain, typename Domain::Integer a, typename Domain::Integer b, typename Domain::Integer c, typename Domain::Integer mu)
template<typename PlaneComputer >
bool	checkChordGenericStandardPlaneComputer (PlaneComputer &computer, unsigned int nbplanes, int diameter)
int	main (int, char **)

Detailed Description

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

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.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Author

Jacques-Olivier Lachaud (jacqu.nosp@m.es-o.nosp@m.livie.nosp@m.r.la.nosp@m.chaud.nosp@m.@uni.nosp@m.v-sav.nosp@m.oie..nosp@m.fr ) Laboratory of Mathematics (CNRS, UMR 5127), University of Savoie, France

Date

2012/03/05

Functions for testing class ChordStandardPlaneComputer.

This file is part of the DGtal library.

Definition in file testChordGenericStandardPlaneComputer.cpp.

Function Documentation

checkChordGenericStandardPlaneComputer()

template<typename PlaneComputer >

bool checkChordGenericStandardPlaneComputer	(	PlaneComputer &	computer,
		unsigned int	nbplanes,
		int	diameter
	)

Definition at line 83 of file testChordGenericStandardPlaneComputer.cpp.

{
  typedef typename PlaneComputer::Space Space;
  typedef HyperRectDomain<Space> Domain;
  typedef typename Space::Integer Integer;
  typedef typename Space::Point Point;
  unsigned int nb = 0;
  unsigned int nbok = 0;
  Domain domain( Point( -diameter, -diameter, -diameter ),
                 Point(  diameter,  diameter,  diameter ) );
  Integer a, b, c, mu;
  std::random_device rd;
  std::mt19937 g(rd());
  
  for ( unsigned int p = 0; p < nbplanes; ++p )
    {
      do {
        a = getRandomInteger( -diameter, diameter+1 );
        b = getRandomInteger( -diameter, diameter+1 );
        c = getRandomInteger( -diameter, diameter+1 );
      }
      while ( ( a == 0 ) && ( b == 0 ) && ( c == 0 ) );
      mu = getRandomInteger( -diameter, diameter );
      std::vector<Point> pts = pointsInStandardPlane( domain, a, b, c, mu );
      computer.init( 1, 1 );
      ++nb;
      nbok += computer.extend( pts.begin(), pts.end() ) ? 1 : 0;
      trace.info() << "Primitive=" << computer.primitive() << std::endl;
      trace.info() << "(" << nbok << "/" << nb << ") extend "
                   << pts.size() << " points of plane "
                   << mu << " <= " << a << "*x+" << b << "*y+" << c << "*z+"
                   << " < " << (mu+a+b+c) << std::endl;
      computer.init( 1, 1 );
      std::shuffle( pts.begin(), pts.end(), g );
      ++nb;
      nbok += computer.extend( pts.begin(), pts.end() ) ? 1 : 0;
      trace.info() << "Primitive=" << computer.primitive() << std::endl;
      trace.info() << "(" << nbok << "/" << nb << ") extend "
                   << pts.size() << " shuffled points of plane "
                   << mu << " <= " << a << "*x+" << b << "*y+" << c << "*z+"
                   << " < " << (mu+a+b+c) << std::endl;
    }
  return nb == nbok;
}

References domain, getRandomInteger(), DGtal::Trace::info(), pointsInStandardPlane(), and DGtal::trace.

Referenced by main().

getRandomInteger()

template<typename Integer >

Integer getRandomInteger	(	const Integer &	first,
		const Integer &	after_last
	)

Definition at line 52 of file testChordGenericStandardPlaneComputer.cpp.

{
  Integer r = (Integer) rand();
  return ( r % (after_last - first) ) + first;
}

Referenced by checkChordGenericStandardPlaneComputer().

main()

int main	(	int	,
		char **
	)

Definition at line 130 of file testChordGenericStandardPlaneComputer.cpp.

{
  using namespace Z3i;
 
  typedef ChordGenericStandardPlaneComputer<Space, Point, DGtal::int64_t>
    PlaneComputer;
 
  bool ok;
  PlaneComputer plane;
  plane.init( 1, 1 );
  ok = plane.extend( Point(0,0,0) );
  trace.info() << "Point(0,0,0) is " << ( ok ? "ok" : "ko" ) << std::endl;
  trace.info() << plane << std::endl;
  ok = plane.extend( Point(1,0,0) );
  trace.info() << "Point(1,0,0) is " << ( ok ? "ok" : "ko" ) << std::endl;
  trace.info() << plane << std::endl;
  ok = plane.extend( Point(0,1,0) );
  trace.info() << "Point(0,1,0) is " << ( ok ? "ok" : "ko" ) << std::endl;
  trace.info() << plane << std::endl;
  ok = plane.extend( Point(1,1,0) );
  trace.info() << "Point(1,1,0) is " << ( ok ? "ok" : "ko" ) << std::endl;
  trace.info() << plane << std::endl;
  ok = plane.extend( Point(2,0,0) );
  trace.info() << "Point(2,0,0) is " << ( ok ? "ok" : "ko" ) << std::endl;
  trace.info() << plane << std::endl;
  ok = plane.extend( Point(0,2,0) );
  trace.info() << "Point(0,2,0) is " << ( ok ? "ok" : "ko" ) << std::endl;
  trace.info() << plane << std::endl;
  ok = plane.extend( Point(0,2,0) );
  trace.info() << "Point(0,2,0) is " << ( ok ? "ok" : "ko" ) << std::endl;
  trace.info() << plane << std::endl;
  ok = plane.extend( Point(1,1,1) );
  trace.info() << "Point(1,1,1) is " << ( ok ? "ok" : "ko" ) << std::endl;
  trace.info() << plane << std::endl;
  checkChordGenericStandardPlaneComputer( plane, 5, 20 );
 
  return 0;
}

References checkChordGenericStandardPlaneComputer(), DGtal::Trace::info(), DGtal::ChordGenericStandardPlaneComputer< TSpace, TInputPoint, TInternalScalar >::init(), and DGtal::trace.

pointsInStandardPlane()

template<typename Domain >

std::vector<typename Domain::Point> pointsInStandardPlane	(	const Domain &	domain,
		typename Domain::Integer	a,
		typename Domain::Integer	b,
		typename Domain::Integer	c,
		typename Domain::Integer	mu
	)

Examples

io/viewers/viewer3D-7-stdplane.cpp, and io/viewers/viewer3D-7bis-stdplane.cpp.

Definition at line 59 of file testChordGenericStandardPlaneComputer.cpp.

{
  typedef typename Domain::Integer Integer;
  typedef typename Domain::Point Point;
  typedef typename Domain::ConstIterator ConstIterator;
  std::vector<Point> pts;
  Integer mup = mu + abs(a) + abs(b) + abs(c);
  for ( ConstIterator it = domain.begin(), itE = domain.end();
        it != itE; ++it )
    {
      Point p = *it;
      Integer r = a * p[ 0 ] + b * p[ 1 ] + c * p[ 2 ];
      if ( ( mu <= r ) && ( r < mup ) )
        pts.push_back( p );
    }
  return pts;
}

References DGtal::HyperRectDomain< TSpace >::begin(), domain, and DGtal::HyperRectDomain< TSpace >::end().

Referenced by checkChordGenericStandardPlaneComputer().