showcase11.cpp File Reference

Generates a moving segment, its supporting line, and its two parallel segments. More...

#include "../../homog2d.hpp"

Include dependency graph for showcase11.cpp:

Functions
int	main (int, const char **)

Detailed Description

Generates a moving segment, its supporting line, and its two parallel segments.

Function Documentation

main()

int main	(	int	,
		const char **
	)

{
    auto nbim = 30; // nb images

    auto kx1 = 78;
    auto ky1 = 30;
    auto kx2 = 43;
    auto ky2 = 49;

    auto org_x1 = 100;
    auto org_y1 = 50;
    auto org_x2 = 120;
    auto org_y2 = 200;
    for( int i=0; i<nbim; i++ )
    {
        auto angle = i*360./nbim;
        auto angle_r1 = angle * M_PI / 180.;
        auto angle_r2 = 1.5*angle * M_PI / 180.;

        auto x1 = org_x1+std::cos(angle_r1)*kx1;
        auto y1 = org_y1+std::sin(angle_r1)*ky1;

        auto x2 = org_x2+std::cos(angle_r2)*kx2;
        auto y2 = org_y2+std::sin(angle_r2)*ky2;
        Segment s( x1, y1, x2, y2 );
        auto bis = s.getBisector();

        img::Image<img::SvgImage> im( 280, 250 );
        s.getLine().draw( im, img::DrawParams().setColor(200,200,200) );
        s.draw( im, img::DrawParams().setColor(250,25,0) );
        auto psegs = s.getParallelSegs( 35 );
        draw( im, psegs.first,  img::DrawParams().setColor(150,50,0) );
        draw( im, psegs.second, img::DrawParams().setColor(50,150,0) );
        bis.draw( im, img::DrawParams().setColor(0,50,250) );
        std::ostringstream ossa;
        ossa << "showcase11_" << std::setfill('0') << std::setw(2) <<i << ".svg";
        im.write( ossa.str() );
    }
}

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