added tex

many changes/eval etc...

Helper.h

@@ -3,6 +3,10 @@
 
 #include <fstream>
 #include <Indoor/geo/EarthPos.h>
+#include <Indoor/sensors/radio/setup/WiFiFingerprints.h>
+#include <Indoor/floorplan/v2/Floorplan.h>
+
+#include "Plotty.h"
 
 class LeHelper {
 
@@ -24,6 +28,114 @@ public:
 
 	}
 
+	/** remove all outdoor fingerprints */
+	static WiFiFingerprints removeOutdoor(const WiFiFingerprints& inp) {
+
+		WiFiFingerprints res;
+
+		for (const WiFiFingerprint& fp : inp.getFingerprints()) {
+			const Point3 pos = fp.pos_m;
+
+			// garden
+			if (pos == Point3(21, 12, 1.3)) {continue;}
+			if (pos == Point3(21, 27, 1.3)) {continue;}
+			if (pos == Point3(39, 12, 1.3)) {continue;}
+			if (pos == Point3(39, 27, 1.3)) {continue;}
+			if (pos == Point3(67, 12, 1.3)) {continue;}
+			if (pos == Point3(67, 27, 1.3)) {continue;}
+			if (pos == Point3(88, 12, 1.3)) {continue;}
+			if (pos == Point3(88, 27, 1.3)) {continue;}
+
+			// front door
+			if (pos == Point3(94, 43, 4+1.3)) {continue;}
+			if (pos == Point3(110, 43, 4+1.3)) {continue;}
+			if (pos == Point3(94, 55, 4+1.3)) {continue;}
+			if (pos == Point3(110, 55, 4+1.3)) {continue;}
+			if (pos == Point3(67.2, 55, 4+1.3)) {continue;}
+
+			res.add(fp);
+		}
+
+		return res;
+
+	}
+
+	static WiFiFingerprints removeStaircases(const WiFiFingerprints& inp) {
+
+		WiFiFingerprints res;
+
+		for (const WiFiFingerprint& fp : inp.getFingerprints()) {
+			const Point3 pos = fp.pos_m;
+
+			// floor 0
+			if (pos == Point3(67.2, 48.5, 1.3)) {continue;}
+			if (pos == Point3(11.2, 48.3, 1.3)) {continue;}
+			if (pos == Point3(16.5, 11.9, 1.3)) {continue;}
+			if (pos == Point3(57.4,  2.6, 1.3)) {continue;}
+			if (pos == Point3(57.4, -3.2, 3.0)) {continue;}
+
+			// floor 1
+			if (pos == Point3(67.2, 48.3, 4+1.3)) {continue;}
+			if (pos == Point3(11.4, 48.3, 4+1.3)) {continue;}
+			if (pos == Point3(16.1, 11.9, 4+1.3)) {continue;}
+			if (pos == Point3(57.4,  2.4, 4+1.3)) {continue;}
+
+			// floor 2
+			if (pos == Point3(67.0, 48.5, 3.4+4+1.3)) {continue;}
+			if (pos == Point3(11.6, 48.5, 3.4+4+1.3)) {continue;}
+			if (pos == Point3(16.3, 11.9, 3.4+4+1.3)) {continue;}
+
+			// floor 3
+			if (pos == Point3(67.0, 48.3, 3.4+3.4+4+1.3)) {continue;}
+			if (pos == Point3(11.4, 48.5, 3.4+3.4+4+1.3)) {continue;}
+			if (pos == Point3(16.3, 11.9, 3.4+3.4+4+1.3)) {continue;}
+
+			res.add(fp);
+
+		}
+
+		return res;
+	}
+
+	static void plot(const Floorplan::IndoorMap* map, const WiFiFingerprints& inp, const std::string& title = "Fingerprints") {
+
+		Plotty* p = new Plotty(map);
+		p->setTitle(title);
+		p->buildFloorplan();
+		p->cpoints.clear();
+		for (const WiFiFingerprint& fp : inp.getFingerprints()) {
+			const K::GnuplotPoint3 gp(fp.pos_m.x, fp.pos_m.y, fp.pos_m.z);
+			//p->cpoints.add(gp, 1);
+			const float size = fp.measurements.entries.size() / 10.0 * 1.0;
+			p->addFloorRect(fp.pos_m, size, Color::fromRGB(255,0,0));
+			p->addLabel(std::to_string(fp.measurements.entries.size()), fp.pos_m+Point3(1,1,1));
+		}
+		p->plot();
+
+	}
+
+	/** is the given mac one of a FHWS ap? */
+	static inline bool isFHWS_AP(const MACAddress& mac) {
+		return mac.asString().substr(0,5) == "D8:84";
+	}
+
+	/** remove all non-FHWS APs from the calibration */
+	static inline void removeNonFHWS(WiFiFingerprints& calib) {
+		int removed = 0;
+		for (WiFiFingerprint& fp : calib.getFingerprints()) {
+			for (size_t i = 0; i < fp.measurements.entries.size(); ++i) {
+				const WiFiMeasurement& m = fp.measurements.entries[i];
+				if (!isFHWS_AP(m.getAP().getMAC())) {
+					fp.measurements.entries.erase(fp.measurements.entries.begin() + i);
+					--i;
+					++removed;
+				}
+			}
+		}
+		std::cout << "removed " << removed << " entries" <<std::endl;
+	}
+
+
 };
 
 #endif // HELPER_H