testHalfPlane.cpp File Reference

#include <cstdio>
#include <cmath>
#include <fstream>
#include <vector>
#include <iostream>
#include <iterator>
#include "DGtal/base/Common.h"
#include "DGtal/base/Exceptions.h"
#include "DGtal/kernel/SpaceND.h"
#include "DGtal/kernel/domains/DomainPredicate.h"
#include "DGtal/kernel/domains/HyperRectDomain.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/shapes/fromPoints/StraightLineFrom2Points.h"
#include "DGtal/shapes/fromPoints/Point2ShapePredicate.h"
#include "DGtalCatch.h"

Go to the source code of this file.

Functions
	TEST_CASE ("HalfplaneUnit tests")

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

Tristan Roussillon (trist.nosp@m.an.r.nosp@m.oussi.nosp@m.llon.nosp@m.@liri.nosp@m.s.cn.nosp@m.rs.fr ) Laboratoire d'InfoRmatique en Image et Systèmes d'information - LIRIS (CNRS, UMR 5205), CNRS, France

Date

2010/07/02

This file is part of the DGtal library

Definition in file testHalfPlane.cpp.

Function Documentation

TEST_CASE()

TEST_CASE

(

"HalfplaneUnit tests"

)

[HalfPlaneTypedefUpClosed]

[HalfPlaneTypedefUpClosed]

[HalfPlaneUsage]

[HalfPlaneUsage]

Definition at line 56 of file testHalfPlane.cpp.

{
  typedef int Coordinate;
  typedef PointVector<2,Coordinate> Point;
  typedef StraightLineFrom2Points<Point> StraightLine;
 
  Point p(0,0);
  Point q(5,2);
  Point r1(2,0);
  Point r2(0,2);
  Point r3(10,4);
  StraightLine line(p,q);
  
  //halfplane upward oriented and closed 
  typedef Point2ShapePredicate<StraightLine,true,true> UpClosedHalfPlane;
 
  //halfplane upward oriented and open 
  typedef Point2ShapePredicate<StraightLine,true,false> UpOpenHalfPlane; 
  //halfplane downward oriented and closed 
  typedef Point2ShapePredicate<StraightLine,false,true> DownClosedHalfPlane; 
 
  //Location
  trace.beginBlock("Creation of a halfplane and test some points");
  std::string res;
  trace.info() << "created line:" << std::endl;
  trace.info() << line << std::endl;
 
  //line is an instance of StraightLine
  UpClosedHalfPlane hp(line);
  trace.info() << hp << std::endl;
    trace.info() << "Does " << r1 << " belongs to hp (no)?" << std::endl;
  REQUIRE( !hp(r1) );
  REQUIRE(hp(r2));
  REQUIRE(hp(r3));
 
 
  UpOpenHalfPlane hp2(line);
  REQUIRE(! hp2(r1));
  REQUIRE(hp2(r2));
  REQUIRE( ! hp2(r3) );
 
  DownClosedHalfPlane hp3(line);
  REQUIRE(hp3(r1));
  REQUIRE(!hp3(r2));
  REQUIRE(hp3(r3));
}

References DGtal::Trace::beginBlock(), DGtal::Trace::info(), REQUIRE(), and DGtal::trace.