1.1 --- a/broken_edge.cc Thu Jul 28 15:54:53 2005 +0000
1.2 +++ b/broken_edge.cc Thu Jul 28 17:01:40 2005 +0000
1.3 @@ -19,6 +19,7 @@
1.4 void BrokenEdge::setPoints(Gnome::Canvas::Points p, bool move)
1.5 {
1.6 bool set_arrow=false;
1.7 + //red arrow losts its position-right button
1.8 if(!move)
1.9 {
1.10 if(p.size()==2)
1.11 @@ -42,11 +43,189 @@
1.12 }
1.13 else
1.14 {
1.15 + //arrow keeps its position-left button
1.16 +
1.17 + // if(p.size()==2)
1.18 + // {
1.19 + // Gnome::Canvas::Points points;
1.20 + // my_points[0]=p[0];
1.21 + // my_points[2]=p[1];
1.22 + // for(int i=0;i<3;i++)
1.23 + // {
1.24 + // points.push_back(my_points[i]);
1.25 + // }
1.26 + // property_points().set_value(points);
1.27 + // }
1.28 +
1.29 + //////////////////////////////////////////////////////////////////////////////////////////////////////
1.30 + /////////// kepps shape-with angles
1.31 + //////////////////////////////////////////////////////////////////////////////////////////////////////
1.32 +
1.33 +
1.34 +// //old vector from one to the other node
1.35 +// xy<double> o_p2p(my_points[2].get_x()-my_points[0].get_x(),my_points[2].get_y()-my_points[0].get_y());
1.36 +// //projection of the old vector to positive x axis
1.37 +// xy<double> o_x_p2p(fabs(o_p2p.x),0);
1.38 +// //length of p2p vector
1.39 +// double o_l_p2p=sqrt( o_p2p.normSquare() );
1.40 +// if(o_p2p.x<0)
1.41 +// {
1.42 +// o_l_p2p*=-1;
1.43 +// }
1.44 +// //length of projection of p2p vector
1.45 +// double o_l_x_p2p=sqrt( o_x_p2p.normSquare() );
1.46 +// //old angle of p2p vector to the x axis
1.47 +// double o_a_p2p=acos(o_l_x_p2p/o_l_p2p);
1.48 +// if(o_p2p.y>0)
1.49 +// {
1.50 +// o_a_p2p=2*M_PI-o_a_p2p;
1.51 +// }
1.52 +
1.53 +// //old vector from first node to the breakpoint
1.54 +// xy<double> o_1b((my_points[1].get_x()-my_points[0].get_x()),(my_points[1].get_y()-my_points[0].get_y()));
1.55 +// //projection of the old node-breakpoint vector to positive x axis
1.56 +// xy<double> o_x_1b(fabs(o_1b.x),0);
1.57 +// //length of 1b vector
1.58 +// double o_l_1b=sqrt( o_1b.normSquare() );
1.59 +// if(o_1b.x<0)
1.60 +// {
1.61 +// o_l_1b*=-1;
1.62 +// }
1.63 +// //length of projection of 1b vector
1.64 +// double o_l_x_1b=sqrt( o_x_1b.normSquare() );
1.65 +// //old angle of 1b vector to the x axis
1.66 +// double o_a_1b=acos(o_l_x_1b/o_l_1b);
1.67 +// if(o_1b.y>0)
1.68 +// {
1.69 +// o_a_1b=2*M_PI-o_a_1b;
1.70 +// }
1.71 +
1.72 +// if(p.size()==2)
1.73 +// {
1.74 +// set_arrow=true;
1.75 +
1.76 +// my_points[0]=p[0];
1.77 +// my_points[2]=p[1];
1.78 +
1.79 +// //new vector from one to the other node
1.80 +// xy<double> n_p2p(my_points[2].get_x()-my_points[0].get_x(),my_points[2].get_y()-my_points[0].get_y());
1.81 +// //projection of the new vector to positive x axis
1.82 +// xy<double> n_x_p2p(fabs(n_p2p.x),0);
1.83 +// //length of p2p vector
1.84 +// double n_l_p2p=sqrt( n_p2p.normSquare() );
1.85 +// if(n_p2p.x<0)
1.86 +// {
1.87 +// n_l_p2p*=-1;
1.88 +// }
1.89 +// //length of projection of p2p vector
1.90 +// double n_l_x_p2p=sqrt( n_x_p2p.normSquare() );
1.91 +// //new angle of p2p vector to the x axis
1.92 +// double n_a_p2p=acos(n_l_x_p2p/n_l_p2p);
1.93 +// if(n_p2p.y>0)
1.94 +// {
1.95 +// n_a_p2p=2*M_PI-n_a_p2p;
1.96 +// }
1.97 +
1.98 +// //new angle of 1b vector to the x axis
1.99 +// double n_a_1b=o_a_1b+n_a_p2p-o_a_p2p;
1.100 +
1.101 +// std::cout << " p2p regi: " << o_a_p2p/M_PI*180 << " uj: " << n_a_p2p/M_PI*180-(int)n_a_p2p/M_PI*180 << std::endl;
1.102 +// std::cout << " 1b regi: " << o_a_1b/M_PI*180 << " uj: " << n_a_1b/M_PI*180-(int)n_a_1b/M_PI*180 << std::endl;
1.103 +
1.104 +// // std::cout << o_p2p << " " << n_p2p << std::endl;
1.105 +
1.106 +// if((n_a_1b>M_PI*3/2)||(n_a_1b<M_PI/2))
1.107 +// {
1.108 +// std::cout << "jobb terfel" << std::endl;
1.109 +// my_points[1]=Gnome::Art::Point(p[0].get_x()+cos(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p,p[0].get_y()-sin(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p);
1.110 +// }
1.111 +// else if((n_a_1b<M_PI*3/2)&&(n_a_1b>M_PI/2))
1.112 +// {
1.113 +// std::cout << "bal terfel" << std::endl;
1.114 +// my_points[1]=Gnome::Art::Point(p[0].get_x()-cos(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p,p[0].get_y()+sin(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p);
1.115 +// }
1.116 +// else
1.117 +// {
1.118 +// std::cout << "y tengely" << std::endl;
1.119 +// double new_y=my_points[1].get_y();
1.120 +// my_points[1]=Gnome::Art::Point(p[0].get_x()-cos(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p,new_y);
1.121 +// }
1.122 +
1.123 +// std::cout << "alap: " << p[0] << " eredeti hossz: " << o_l_1b << " nagy uj: " << n_l_p2p << " nagy regi: " << o_l_p2p << " a*b/c " << o_l_1b*n_l_p2p/o_l_p2p << " eredmeny: " << my_points[1] << std::endl;
1.124 +
1.125 +
1.126 +// // if(o_1b.x*o_1b.y>0)
1.127 +// // {
1.128 +// // if(n_p2p.x>0)
1.129 +// // {
1.130 +// // my_points[1]=Gnome::Art::Point(p[0].get_x()+cos(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p,p[0].get_y()+sin(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p);
1.131 +// // }
1.132 +// // else
1.133 +// // {
1.134 +// // my_points[1]=Gnome::Art::Point(p[0].get_x()-cos(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p,p[0].get_y()-sin(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p);
1.135 +// // }
1.136 +// // }
1.137 +// // else if(o_1b.x*o_1b.y<0)
1.138 +// // {
1.139 +// // if(n_p2p.x>0)
1.140 +// // {
1.141 +// // my_points[1]=Gnome::Art::Point(p[0].get_x()+cos(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p,p[0].get_y()-sin(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p);
1.142 +// // }
1.143 +// // else
1.144 +// // {
1.145 +// // my_points[1]=Gnome::Art::Point(p[0].get_x()-cos(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p,p[0].get_y()+sin(n_a_1b)*o_l_1b*n_l_p2p/o_l_p2p);
1.146 +// // }
1.147 +// // }
1.148 +// // else
1.149 +// // {
1.150 +// // }
1.151 +
1.152 + //////////////////////////////////////////////////////////////////////////////////////////////////////
1.153 + /////////// kepps shape-with scalar multiplication
1.154 + //////////////////////////////////////////////////////////////////////////////////////////////////////
1.155 +
1.156 if(p.size()==2)
1.157 - {
1.158 + {
1.159 + //old vector from one to the other node - a
1.160 + xy<double> a_v(my_points[2].get_x()-my_points[0].get_x(),my_points[2].get_y()-my_points[0].get_y());
1.161 + //new vector from one to the other node - b
1.162 + xy<double> b_v(p[1].get_x()-p[0].get_x(),p[1].get_y()-p[0].get_y());
1.163 +
1.164 + //old vector from one node to the breakpoint - c
1.165 + xy<double> c_v(my_points[1].get_x()-my_points[0].get_x(),my_points[1].get_y()-my_points[0].get_y());
1.166 +
1.167 + //new vector from one node to the breakpoint - d - we have to calculate this one
1.168 + xy<double> d_v;
1.169 +
1.170 + //scalar product of a and b (old and new vector from first point to the other)
1.171 + double sab=a_v*b_v;
1.172 + //scalar product of c and d (old and new vector from first point to breakpoint)
1.173 + double scd=sab*c_v.normSquare()/a_v.normSquare();
1.174 +
1.175 + std::cout<<" a " << a_v<<" b " <<b_v<<" c " <<c_v<<" sab " <<sab<<" scd "<<scd<<std::endl;
1.176 +
1.177 + double a=c_v.normSquare();
1.178 + double b=2*scd*c_v.y;
1.179 + double c=scd*scd-b_v.normSquare()/a_v.normSquare()*c_v.normSquare()*c_v.x*c_v.x;
1.180 +
1.181 + std::cout<<" a " << a<<" b " <<b<<" c " <<c<<std::endl;
1.182 +
1.183 + d_v.y=(-b-sqrt(b*b-4*a*c))/2/a;
1.184 +
1.185 + if(c_v.x!=0)
1.186 + {
1.187 + d_v.x=(scd-c_v.y*d_v.y)/c_v.x;
1.188 + }
1.189 + else
1.190 + {
1.191 + d_v.x=my_points[1].get_x();
1.192 + }
1.193 +
1.194 + std::cout<<" d " << d_v<<std::endl;
1.195 +
1.196 + my_points[1]=Gnome::Art::Point(d_v.x+p[0].get_x(),d_v.y+p[0].get_y());
1.197 +
1.198 Gnome::Canvas::Points points;
1.199 - my_points[0]=p[0];
1.200 - my_points[2]=p[1];
1.201 for(int i=0;i<3;i++)
1.202 {
1.203 points.push_back(my_points[i]);
1.204 @@ -54,7 +233,6 @@
1.205 property_points().set_value(points);
1.206 }
1.207 }
1.208 -
1.209 if(set_arrow)
1.210 {
1.211 //calculating coordinates of the direction indicator arrow