|| || || || || || || ||

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Similarity.h

Go to the documentation of this file.

#ifndef Impala_Visualisation_Plot_Similarity_h
#define Impala_Visualisation_Plot_Similarity_h

#include "Visualization/Plot/Plottable.h"
#include "Data/Geometry/PointZ.h"
#include "Ops/Element/ColConvert.h"

namespace Impala
{
namespace Visualization
{
namespace Plot
{

class Similarity : public Plottable
{
public:

    Similarity()
    {
        mImage1 = 0;
        mImage2 = 0;
    }

    virtual void
    Draw(Plot* plot)
    {

//        glEnable(GL_BLEND);
//        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        glColor3f(mRed, mGreen, mBlue);

        double front = 0.7;
        double back = -0.7;

        glBegin(GL_LINE_LOOP);
        glVertex3d(  0,  0, front);
        glVertex3d(  0,144, front);
        glVertex3d(192,144, front);
        glVertex3d(192,  0, front);
        glEnd();

        glBegin(GL_LINE_LOOP);
        glVertex3d(  0,  0,back);
        glVertex3d(  0,144,back);
        glVertex3d(192,144,back);
        glVertex3d(192,  0,back);
        glEnd();

        glBegin(GL_LINES);
        for(int i=0 ; i<mPoints1.size() ; i++)
        {
            SelectColor(mColorId[i]);
            glVertex3d(mPoints1[i].mX, mPoints1[i].mY, front);
            SelectColor(mColorId[i], 0.3);
            glVertex3d(mPoints2[i].mX, mPoints2[i].mY, back);
        }
        glEnd();
    }

    void
    SetData(Array2dVec3UInt8* im1, Array2dVec3UInt8* im2)
    {
        mImage1 = im1;
        mImage2 = im2;
    }

    void
    Val2Color(double v)
    {
        double r,g,b;
        r = (v+1.)/2.;
        g = (v-1.)/-2.;
        b = (1.-fabs(v))/2.;
        glColor3f(r, g, b);
    }

    void
    AddLine(double x1, double y1, double x2, double y2, int colorId)
    {
        mPoints1.push_back(PointZ(x1,y1));
        mPoints2.push_back(PointZ(x2,y2));
        mColorId.push_back(colorId);
    }

    void
    Clear()
    {
        mPoints1.clear();
        mPoints2.clear();
        mColorId.clear();
    }

#define PI 3.1415926535897932384626433832795
#define PHI 0.61803398874989484820458683436564

    void
    SelectColor(int colorId, double intensity = 1.)
    {
        double sat = sqrt((double)colorId/37.);
        double angle = (colorId*PHI*2.);
        while(angle>2.)
            angle -= 2.;
        Vec3Real64 color(angle*PI, intensity, sat);
        color = ColHSI2RGB(color);
        glColor3d(color.X(), color.Y(), color.Z());
    }

#undef PI
#undef PHI

protected:
    Array2dVec3UInt8* mImage1;
    Array2dVec3UInt8* mImage2;
    std::vector<int>* mMatch;
    std::vector<double>* mScore;
    std::vector<PointZ> mPoints1;
    std::vector<PointZ> mPoints2;
    std::vector<int> mColorId;
};

}//namespace Impala
}//namespace Visulization
}//namespace Plot

#endif Impala_Visualisation_Plot_Similarity_h

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