154 lines
3.5 KiB
C++
154 lines
3.5 KiB
C++
#ifndef EVALWIFISIGSTRENGTH_H
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#define EVALWIFISIGSTRENGTH_H
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#include "Indoor/sensors/radio/setup/WiFiOptimizer.h"
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#include "Indoor/sensors/radio/setup/WiFiFingerprint.h"
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#include "Indoor/sensors/radio/setup/WiFiFingerprints.h"
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#include "Indoor/sensors/radio/setup/WiFiOptimizer.h"
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#include "Indoor/sensors/radio/VAPGrouper.h"
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#include "Indoor/sensors/offline/FileReader.h"
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#include "Indoor/floorplan/v2/Floorplan.h"
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#include "Indoor/floorplan/v2/FloorplanReader.h"
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#include "Indoor/floorplan/v2/FloorplanHelper.h"
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#include "Indoor/floorplan/v2/FloorplanCeilings.h"
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#include <KLib/misc/gnuplot/Gnuplot.h>
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#include <KLib/misc/gnuplot/GnuplotSplot.h>
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#include <KLib/misc/gnuplot/GnuplotSplotElementPoints.h>
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#include <KLib/misc/gnuplot/GnuplotSplotElementColorPoints.h>
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#include <KLib/misc/gnuplot/GnuplotSplotElementLines.h>
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#include <KLib/misc/gnuplot/GnuplotPlot.h>
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#include <KLib/misc/gnuplot/GnuplotPlotElementHistogram.h>
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#include <KLib/math/statistics/Statistics.h>
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#include "Structs.h"
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#include "plots/Plotty.h"
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#include "CSV.h"
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#include "Helper.h"
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#include <unordered_set>
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/**
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* read path
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* fetch wifi
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* use given model to estimate the most likely location
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* -> WIFI ONLY
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*/
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class EvalWiFiSigStrength {
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private:
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Floorplan::IndoorMap* map;
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BBox3 mapBBox;
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WiFiFingerprints calib;
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public:
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/** ctor with map and fingerprints */
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EvalWiFiSigStrength(const std::string& mapFile, const std::string& fpFile) {
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// load floorplan
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map = Floorplan::Reader::readFromFile(mapFile);
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// estimate bbox
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mapBBox = FloorplanHelper::getBBox(map);
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// load fingerprints
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calib = WiFiFingerprints(fpFile);
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// remove some stuff
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LeHelper::removeNonFHWS(calib);
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}
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float scale(const float val, const float min, const float max) {
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return (val - min) / (max-min);
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}
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void forAP_avg(Plotty* p, const MACAddress& mac) {
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VAPGrouper vap(VAPGrouper::Mode::LAST_MAC_DIGIT_TO_ZERO, VAPGrouper::Aggregation::AVERAGE);
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// get AP/floor
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std::pair<Floorplan::AccessPoint*, Floorplan::Floor*> _ap = FloorplanHelper::getAP(map, mac);
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const Floorplan::Floor* floor = _ap.second;
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const Floorplan::AccessPoint* ap = _ap.first;
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// copy
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WiFiFingerprints calib = this->calib;
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for (WiFiFingerprint& fp : calib.getFingerprints()) {
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fp.measurements = vap.group(fp.measurements);
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}
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// plot
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std::cout << ap->mac << std::endl;
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const Point3 apPos3 = ap->getPos(floor);
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K::GnuplotPoint3 apPos(apPos3.x, apPos3.y, apPos3.z);
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p->points.add(apPos);
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// process every fingerprint location
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for (const WiFiFingerprint& fp : calib.getFingerprints()) {
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// either 0 entries [ap not seen here] or 1 entry due to vap grouping [ap seen here]
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std::vector<WiFiMeasurement> mes = fp.getAllForMAC(mac);
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if (!mes.empty()) {
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const float rssi = mes.front().getRSSI();
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const float s = scale(rssi, -100, -40);
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const Color c = Color::fromHSV(s*100, 255, 255);
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// fingerprint onto the floor
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p->addFloorRect(fp.pos_m - Point3(0,0,1.3), 1, c);
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}
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}
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}
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void perAP_avg() {
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std::vector<std::pair<Floorplan::AccessPoint*, Floorplan::Floor*>> aps = FloorplanHelper::getAPs(map);
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for (const auto& it : aps) {
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const Floorplan::Floor* floor = it.second;
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const Floorplan::AccessPoint* ap = it.first;
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const MACAddress mac(ap->mac);
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Plotty* p = new Plotty(map);
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p->setTitle(ap->mac);
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p->buildFloorplan();
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forAP_avg(p, mac);
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p->plot();
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int i = 0; (void) i;
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// MACs:
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// d8:84:66:4a:23:d0 <<<< BEST
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// d8:84:66:4a:25:c0
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// d8:84:66:4a:4c:60
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}
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}
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};
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#endif // EVALWIFISIGSTRENGTH_H
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