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Markers.h

Go to the documentation of this file.

#ifndef Impala_Visualisation_Plot_Markers_h
#define Impala_Visualisation_Plot_Markers_h

#include "Visualization/Plot/Plottable.h"
#include "Visualization/Plot/Plot.h"
#include <vector>

namespace Impala
{
namespace Visualization
{
namespace Plot
{

class Markers : public Plottable
{
public:
    Markers()
    {
        mSelection = 0;
    }

    void
    Draw(Plot* plot)
    {
        if(mSelection < mData.size()/7)
        {
            int i=mSelection*7;
            double size = mData[i+6];
            glPointSize(size+4);
            glBegin(GL_POINTS);
            glColor3d(mData[i+3], mData[i+4], mData[i+5]);
            glVertex3d(mData[i], mData[i+1], mData[i+2]);
            glEnd();

            glPointSize(size+2);
            glBegin(GL_POINTS);
            glColor3d(1,1,1);
            glVertex3d(mData[i], mData[i+1], mData[i+2]);
            glEnd();

            glPointSize(size);
            glBegin(GL_POINTS);
            glColor3d(mData[i+3], mData[i+4], mData[i+5]);
            glVertex3d(mData[i], mData[i+1], mData[i+2]);
            glEnd();
        }

        for (int i=0 ; i<mData.size() ; i+=7)
        {
            glColor3d(mData[i+3], mData[i+4], mData[i+5]);

            double size = mData[i+6];
            glPointSize(size);
            glBegin(GL_POINTS);
            glVertex3d(mData[i], mData[i+1], mData[i+2]);
            glEnd();
            
            char id[2] = "a";
            glColor3d(1,1,1);
            glRasterPos2d(mData[i], mData[i+1]);
            id[0] = mID[i/7];
            oglSys.PrintFont(1, id);
        }
    }

    void
    AddMarker(double x, double y, double z, double r, double g, double b,
              double size)
    {
        int i = mData.size();
        mData.resize(i + 7);
        mData[i++] = x;
        mData[i++] = y;
        mData[i++] = z;
        mData[i++] = r;
        mData[i++] = g;
        mData[i++] = b;
        mData[i++] = size;
    }

    void
    AddID(char name)
    {
        mID.push_back(name);
    }

    void
    Clear()
    {
        mData.clear();
        mID.clear();
    }

    virtual void
    OnMouse(double x, double y, int msg, int but, int state)
    {
        if(mData.size()==0)
            return;
        if((msg == oglMouseMove || msg == oglMouseDown) && (state & oglLeftButton))
        {
            int best = 0;
            double d, dx, dy, dist;
            dx = x-mData[0];
            dy = y-mData[1];
            dist = dx*dx + dy*dy;
            for(int i=7 ; i<mData.size() ; i+=7)
            {
                dx = x-mData[i+0];
                dy = y-mData[i+1];
                d = dx*dx + dy*dy;
                if(d < dist)
                {
                    best = i/7;
                    dist = d;
                }
            }
//            if(dist < treshold)
            mSelection = best;
        }
    }

    int mSelection;
protected:
    std::vector<double> mData;
    std::vector<char> mID;
};

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

#endif Impala_Visualisation_Plot_Markers_h

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