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Indoor/sensors/imu/CompassDetectionPlot.h
2018-10-25 11:50:12 +02:00

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/*
* © Copyright 2014 Urheberrechtshinweis
* Alle Rechte vorbehalten / All Rights Reserved
*
* Programmcode ist urheberrechtlich geschuetzt.
* Das Urheberrecht liegt, soweit nicht ausdruecklich anders gekennzeichnet, bei Frank Ebner.
* Keine Verwendung ohne explizite Genehmigung.
* (vgl. § 106 ff UrhG / § 97 UrhG)
*/
#ifndef INDOOR_IMU_COMPASSDETECTIONPLOT_H
#define INDOOR_IMU_COMPASSDETECTIONPLOT_H
#ifdef WITH_DEBUG_PLOT
#include <KLib/misc/gnuplot/Gnuplot.h>
#include <KLib/misc/gnuplot/GnuplotSplot.h>
#include <KLib/misc/gnuplot/GnuplotSplotElementLines.h>
#include <KLib/misc/gnuplot/GnuplotPlot.h>
#include <KLib/misc/gnuplot/GnuplotPlotElementLines.h>
#include <KLib/misc/gnuplot/GnuplotMultiplot.h>
#include <KLib/misc/gnuplot/GnuplotPlotElementPoints.h>
#include "MagnetometerData.h"
#include "../../data/Timestamp.h"
#include "../../math/Matrix3.h"
class CompassDetectionPlot {
Timestamp plotRef;
Timestamp lastPlot;
K::Gnuplot gp1;
K::Gnuplot gp2;
//K::GnuplotMultiplot multiplot = K::GnuplotMultiplot(1,2);
K::GnuplotPlot plotMagRaw;
K::GnuplotPlotElementLines lineMagRawX;
K::GnuplotPlotElementLines lineMagRawY;
K::GnuplotPlotElementLines lineMagRawZ;
K::GnuplotPlotElementLines lineMagRawMagnitude;
K::GnuplotPlot plotMagFix;
K::GnuplotPlotElementLines lineMagFixX;
K::GnuplotPlotElementLines lineMagFixY;
K::GnuplotPlotElementLines lineMagFixZ;
K::GnuplotPlot plotMagScatter;
K::GnuplotPlotElementPoints scatterPoints;
public:
CompassDetectionPlot() {
gp1 << "set autoscale xfix\n";
gp2 << "set size ratio -1\n";
//multiplot.add(&plotMagRaw);
//multiplot.add(&plotMagFix);
plotMagRaw.setTitle("Magnetometer (raw)");
plotMagRaw.add(&lineMagRawX); lineMagRawX.getStroke().getColor().setHexStr("#ff0000"); lineMagRawX.setTitle("x");
plotMagRaw.add(&lineMagRawY); lineMagRawY.getStroke().getColor().setHexStr("#00ff00"); lineMagRawY.setTitle("y");
plotMagRaw.add(&lineMagRawZ); lineMagRawZ.getStroke().getColor().setHexStr("#0000ff"); lineMagRawZ.setTitle("z");
plotMagRaw.add(&lineMagRawMagnitude); lineMagRawMagnitude.getStroke().getColor().setHexStr("#000000"); lineMagRawMagnitude.setTitle("magnitude");
plotMagFix.setTitle("Magnetometer (re-aligned)");
plotMagFix.add(&lineMagFixX); lineMagFixX.getStroke().getColor().setHexStr("#ff0000"); lineMagFixX.setTitle("x");
plotMagFix.add(&lineMagFixY); lineMagFixY.getStroke().getColor().setHexStr("#00ff00"); lineMagFixY.setTitle("y");
plotMagFix.add(&lineMagFixZ); lineMagFixZ.getStroke().getColor().setHexStr("#0000ff"); lineMagFixZ.setTitle("z");
plotMagScatter.add(&scatterPoints);
}
void add(Timestamp ts, float curHeading, bool stable, const MagnetometerData& mag, const MagnetometerData& curMag) {
if (plotRef.isZero()) {plotRef = ts;}
const Timestamp tsPlot = (ts-plotRef);
const Timestamp tsOldest = tsPlot - Timestamp::fromMS(5000);
// raw gyro
lineMagRawX.add( K::GnuplotPoint2(tsPlot.ms(), mag.x) );
lineMagRawY.add( K::GnuplotPoint2(tsPlot.ms(), mag.y) );
lineMagRawZ.add( K::GnuplotPoint2(tsPlot.ms(), mag.z) );
lineMagRawMagnitude.add( K::GnuplotPoint2(tsPlot.ms(), mag.magnitude()) );
// adjusted mag
lineMagFixX.add( K::GnuplotPoint2(tsPlot.ms(), curMag.x) );
lineMagFixY.add( K::GnuplotPoint2(tsPlot.ms(), curMag.y) );
lineMagFixZ.add( K::GnuplotPoint2(tsPlot.ms(), curMag.z) );
const float len = 1;//curMag.magnitude();// std::sqrt(curMag.x*curMag.x + curMag.y*curMag.y);
scatterPoints.add(K::GnuplotPoint2(curMag.x/len, curMag.y/len));
if (lastPlot + Timestamp::fromMS(50) < tsPlot) {
lastPlot = tsPlot;
auto remove = [tsOldest] (const K::GnuplotPoint2 pt) {return pt.x < tsOldest.ms();};
lineMagRawX.removeIf(remove);
lineMagRawY.removeIf(remove);
lineMagRawZ.removeIf(remove);
lineMagRawMagnitude.removeIf(remove);
lineMagFixX.removeIf(remove);
lineMagFixY.removeIf(remove);
lineMagFixZ.removeIf(remove);
const float s = stable ? 0.1 : 0.03;
const float ax = 0.85 + std::cos(curHeading)*s;
const float ay = 0.85 + std::sin(curHeading)*s;
gp1 << "set arrow 1 from screen 0.85,0.85 to screen " << ax << "," << ay << "\n";
gp1 << "set object 2 circle at screen 0.85,0.85 radius screen 0.1 \n";
gp1.draw(plotMagFix);
gp1.flush();
gp2.draw(plotMagScatter);
gp2.flush();
}
}
};
#endif
#endif