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

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TimeLine.h

Go to the documentation of this file.

#ifndef Impala_Visualisation_Plot_TimeLine_h
#define Impala_Visualisation_Plot_TimeLine_h

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

namespace Impala
{
namespace Visualization
{
namespace Plot
{

class TimeLine : public Plottable
{
public:
    TimeLine(double z, int samples)
    {
        mMaxVal = mMinVal = 0;
        mMaxSamples = samples;
        SetDimensionsX(-samples, 0);
        SetDimensionsY(0, 0);
        SetDimensionsZ(z, z);
    }

    virtual void
    Add(double sample)
    {
        if (sample > mMaxVal)
        {
            mMaxVal = sample;
            SetDimensionsY(mMinVal, mMaxVal);
        }
        else
            if (sample < mMinVal)
            {
                mMinVal = sample;
                SetDimensionsY(mMinVal, mMaxVal);
            }
        mData.push_back(sample);
        if (mData.size() > mMaxSamples)
            mData.pop_front();
    }

    virtual void
    Draw(Plot* plot)
    {
        glColor3f(mRed, mGreen, mBlue);

        double dx = (double)(mMaxX - mMinX) / ((double)mMaxSamples-1.);
        double x = mMinX + (mMaxSamples-mData.size())*dx;
        if(mData.size() > 2)
        {
            glBegin(GL_LINE_STRIP);
            for (int i=0 ; i<mData.size() ; i++)
            {
                glVertex3d(x, mData[i], mMinZ);
                x += dx;
            }
            glEnd();
        }
    }

protected:
    int mMaxSamples;
    std::deque<double> mData;
    double mMaxVal,mMinVal;
    double mZ;
};

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

#endif Impala_Visualisation_Plot_TimeLine_h

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