test_eepicgeom.C

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/* Aleph-w
 
     / \  | | ___ _ __ | |__      __      __
    / _ \ | |/ _ \ '_ \| '_ \ ____\ \ /\ / / Data structures & Algorithms
   / ___ \| |  __/ |_) | | | |_____\ V  V /  version 1.9c
  /_/   \_\_|\___| .__/|_| |_|      \_/\_/   https://github.com/lrleon/Aleph-w
                 |_|         
 
  This file is part of Aleph-w library
 
  Copyright (c) 2002-2018 Leandro Rabindranath Leon 
 
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
 
  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
 
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.
*/
 
# include <gsl/gsl_rng.h>
# include <gsl/gsl_randist.h>
# include <iostream>
# include <limits>
# include <eepicgeom.H>
 
bool tiny_keys;
 
# include <ctime>
using namespace std;
 
    // construye un poligono aleatorio de n lados cuyos puntos no sobrepasan
    // los extremos actuales del plano
Polygon make_random_polygon(const size_t & n,
          double min_x, double max_x, 
          double min_y, double max_y)
{
  gsl_rng * r = gsl_rng_alloc (gsl_rng_mt19937);
  gsl_rng_set(r, std::time(NULL) % gsl_rng_max(r));
 
 again:
 
  {
    Polygon poly;
 
    for (int i = 0; i < n; ++i)
      {
      
      retry:
 
  try
    {
      cout << "Generating point " << i << endl;
 
      const Geom_Number x = gsl_ran_flat(r, min_x, max_x);
      const Geom_Number y = gsl_ran_flat(r, min_y, max_y);
 
      cout << Point(x, y).to_string() << " triying ..." << endl;
 
      poly.add_vertex(Point(x, y));
 
      cout << "success" << endl;
    }
  catch (domain_error)
    {
      cout << " crosses" << endl;
      goto retry;
    }
      }
 
    cout << "closing ..." << endl;
 
    try
      {
  poly.close();
 
  cout << "Finished polygon generation" << endl;
  
  gsl_rng_free(r);
 
  return poly;
      }
    catch (domain_error)
      {
  cout << " close crosses" << endl;
 
  goto again;
      }
  }    
}
 
 
int main()
{
  Segment sg0(Point(232, 438), Point(1227, 2183));
  Segment sg1(Point(162, 1838), Point(327, 883));
  Segment sg2(Point(16, 38), Point(827, 783));
  Segment sg3(Point(1000, 1500), Point(10, 183));
  Segment sg4(Point(200, 300), Point(-800, 1600));
  Segment sg5(Point(0, 1400), Point(1800, 0));
 
  Segment s1(Point(0, 0), Point(0, 1400));
  Segment s2(Point(0, 1400), Point(2800, 1400));
 
  Point p1 = sg4.intersection_with(sg5);
 
  Triangle tr(Point(-1632, 237), Point(737, 235), Point(272, 1772));
 
  Triangle tr1(Point(0, 0), Point(600, 600), Point(800, 0));
 
  Ellipse el(Point(-800, 600), 800, 330);
 
  Point pt(400 + 700, 400 + 100);
 
# ifdef nada
    if (el.contains_to(pt))
      cout << "El punto de prueba " << pt.to_string() 
     << " está dentro de la elipse de centro " 
     << el.get_center().to_string() << endl
     << "con a = " << el.get_hradius() << " y b = " << el.get_vradius()
     << endl;
    else
      cout << "Falló prueba de inclusión del punto " << pt.to_string() 
     << " en elipse de centro " 
     << el.get_center().to_string() << endl
     << "con a = " << el.get_hradius() << " y b = " << el.get_vradius()
     << endl;
 
    char c;
    
    cin >> c;
# endif
 
    Eepic_Plane plane(2000, 2000);
 
  put_in_plane(plane, pt);
 
  put_in_plane(plane, Arrow(s1));
  put_in_plane(plane, s2);
 
  put_in_plane(plane, p1);
  
  put_in_plane(plane, sg4);
  put_in_plane(plane, sg5);
 
  put_in_plane(plane, sg1);
  put_in_plane(plane, sg2);
  put_in_plane(plane, sg3);
  
  put_in_plane(plane, tr);
  put_in_plane(plane, tr1);
  put_in_plane(plane, el);  
 
  Segment si = sg4.intersection_with(tr);
 
  Segment ts1, ts2;
 
  el.compute_tangents(ts1, ts2, 3.25);
  
  put_in_plane(plane, Arrow(ts1));
  put_in_plane(plane, ts2);
 
  Segment par(ts1, 100);
 
  put_in_plane(plane, Arrow(par));
 
  Segment seg (Point(4,0), Point(-300, 400));
  Segment inter = el.intersection_with(seg);
 
  put_in_plane(plane, inter);
 
  put_in_plane(plane, inter.get_src_point());
  put_in_plane(plane, inter.get_tgt_point());
 
# ifdef nada
  put_in_plane(plane, 
         Text(sg0.get_tgt_point(), 
        gnu::autosprintf("m0 = %.2f", sg0.slope())));
  put_in_plane(plane, Arrow(sg0));
 
  put_in_plane(plane, 
         Text(sg1.get_tgt_point(), 
        gnu::autosprintf("m1 = %.2f", sg1.slope())));
  put_in_plane(plane, Arrow(sg1));
 
  put_in_plane(plane, 
         Text(sg2.get_tgt_point(), 
        gnu::autosprintf("m2 = %.2f", sg2.slope())));
  put_in_plane(plane, Arrow(sg2));
 
  put_in_plane(plane, 
         Text(sg3.get_tgt_point(), 
        gnu::autosprintf("m3 = %.2f", sg3.slope())));
  put_in_plane(plane, Arrow(sg3));
 
  put_in_plane(plane, 
         Text(sg4.get_tgt_point(), 
        gnu::autosprintf("m4 = %.2f", sg4.slope())));
  put_in_plane(plane, Arrow(sg4));
# endif
  //  put_in_plane(plane, seg);
  //  put_in_plane(plane, inter);
 
  //  put_in_plane(plane, Arrow(Point(20, 20), Point(400, 500)));
 
  //  put_in_plane(plane, Thick_Segment(Point(19,100), Point(582, 267)));
 
  //  put_in_plane(plane, Thick_Arrow(Point(19,100), Point(82, 267)));
 
  //  put_in_plane(plane, Dotted_Segment(Point(190, 100), Point(820, 267)));
 
  //  put_in_plane(plane, Dash_Segment(Point(200, 190), Point(267, 420)));
 
  //  put_in_plane(plane, Arrow_Dash_Segment(Point(267, 820), Point(10,190)));
 
  //  put_in_plane(plane, Arrow_Dotted_Segment(Point(67, 20), Point(100,190)));
 
  //  plane.compute_extreme_points();
 
  Polygon poly = make_random_polygon(13, 0, 2000, 0, 1400);
 
  //  put_in_plane(plane, Spline(poly));
 
  //  put_in_plane(plane, Spline_Arrow(poly));
 
  //  put_in_plane(plane, Polygon_With_Arrows(poly));
 
  put_in_plane(plane, poly);
 
  //  put_in_plane(plane, Shade_Polygon(poly));
 
  //  put_in_plane(plane, Regular_Polygon(Point(0, 0), 400, 12, PI/3));
 
  //  put_in_plane(plane, Regular_Polygon_With_Points(Point(0, 0), 400, 12, PI/3));
 
  //  put_in_plane(plane, Dotted_Regular_Polygon(Point(0, 0), 400, 12, PI/3));
 
  //  put_in_plane(plane, Dash_Regular_Polygon(Point(0, 0), 400, 12, PI/3));
 
  //  put_in_plane(plane, 
  //         Dotted_Regular_Polygon_With_Points(Point(0, 0), 400, 12, PI/3));
 
  //  put_in_plane(plane, 
  //         Dash_Regular_Polygon_With_Points(Point(0, 0), 400, 12, PI/3));
 
  //  put_in_plane(plane, Shade_Regular_Polygon(Point(0, 0), 400, 12, PI/3));
 
  //  put_in_plane(plane, 
  //         Shade_Regular_Polygon_With_Points(Point(0, 0), 400, 12, PI/3));
 
  //  put_in_plane(plane, 
  //         Shade_Regular_Polygon_With_Arrows(Point(0, 0), 400, 12, PI/3));
 
  //  put_in_plane(plane, Eepic_Spline(Point(-100, -200), 400, 7, PI/3));
 
  Regular_Polygon reg_poly(Point(200, 790), 300, 5);
 
  //  put_in_plane(plane, reg_poly);
 
  //  Polygon p(reg_poly);
 
  //  put_in_plane(plane, Polygon(p));
 
  Segment linea1(Point(100, 100), Point(400, 200));
 
  Segment perp1 = linea1.mid_perpendicular(linea1.size()/6);
 
  put_in_plane(plane, Arrow(linea1));
 
  put_in_plane(plane, Thick_Arrow(perp1));
 
  put_in_plane(plane, perp1.get_src_point());
 
  put_in_plane(plane, perp1.get_tgt_point());
 
  Segment linea2(Point(100, 100), Point(400, -200));
 
  Segment perp2 = linea2.mid_perpendicular(linea2.size()/6);
 
  put_in_plane(plane, Arrow(linea2));
 
  put_in_plane(plane, Thick_Arrow(perp2));
 
  put_in_plane(plane, perp2.get_src_point());
 
  put_in_plane(plane, perp2.get_tgt_point());
 
  Segment linea3(Point(100, 100), Point(-400, -200));
 
  Segment perp3 = linea3.mid_perpendicular(linea3.size()/6);
 
  put_in_plane(plane, Arrow(linea3));
 
  put_in_plane(plane, Thick_Arrow(perp3));
 
  put_in_plane(plane, perp3.get_src_point());
 
  put_in_plane(plane, perp3.get_tgt_point());
 
  Segment linea4(Point(100, 100), Point(-400, 200));
 
  Segment perp4 = linea4.mid_perpendicular(linea4.size()/6);
 
  put_in_plane(plane, Arrow(linea4));
 
  put_in_plane(plane, Thick_Arrow(perp4));
 
  put_in_plane(plane, perp4.get_src_point());
 
  put_in_plane(plane, perp4.get_tgt_point());
 
  //  put_in_plane(plane, Spline(Regular_Polygon(Point(-300, -300), 300, 4)));
 
  // put_in_plane(plane, Spline_Arrow(Regular_Polygon(Point(-300, 300), 300, 4)));
 
  put_in_plane(plane, Polygon(reg_poly));
 
  put_in_plane(plane, Ellipse(Point(-100, -100), 200, 100));
 
  //  put_in_plane(plane, Shade_Ellipse(el)); 
 
  ofstream output1("test-1.eepic", ios::trunc);
 
  plane.put_cartesian_axis();
 
  plane.draw(output1);
 
  ofstream output2("test-2.eepic", ios::trunc);
 
  plane.zoom(0.25);
  plane.draw(output2);
 
  
}