current state

plots/PlotWiFiGroundProb.h

@@ -39,7 +39,7 @@ private:
 	struct Entry {
 		Point3 pos;
 		K::GnuplotObjectPolygon* poly;
-		float max = 0;
+		float max = -1;
 		float sum = 0;
 		int cnt = 0;
 	};
@@ -51,19 +51,28 @@ private:
 public:
 
 	/** ctor */
-	PlotWiFiGroundProb(const Floorplan::IndoorMap* map) : map(map), plot(map) {
-		buildEvalPoints();
+	PlotWiFiGroundProb(const Floorplan::IndoorMap* map, Plotty::Settings settings = Plotty::Settings()) : map(map), plot(map) {
 
-		plot.settings.outline = false;
+		plot.settings = settings;
+
+		buildEvalPoints();
 		plot.buildFloorplan();
+
+
+
 	}
 
+	Plotty& getPlot() {
+		return plot;
+	}
+
+	/** plot the ground-probability for the given measurement */
 	void show(const WiFiObserverFree& prob, const WiFiMeasurements& _mes) {
 
 		VAPGrouper vap(VAPGrouper::Mode::LAST_MAC_DIGIT_TO_ZERO, VAPGrouper::Aggregation::AVERAGE);
-
 		const WiFiMeasurements mes = vap.group(_mes);
 
+		// determine min/max probability
 		double min = +99999;
 		double max = -99999;
 		for (Entry& e : pos) {
@@ -71,9 +80,9 @@ public:
 			if (p < min) {min = p;}
 			if (p > max) {max = p;}
 		}
-		double diff = max-min;
-
+		const double diff = max-min;
 
+		// render
 		for (Entry& e : pos) {
 			const double p = prob.getProbability(e.pos, mes.entries.front().getTimestamp(), mes);
 			const double f = (p-min) / diff * 255;
@@ -85,11 +94,51 @@ public:
 				e.poly->getFill().setColor(c);
 				e.max = f;
 			//}
+			if (f < 0.1) {
+				e.poly->setEnabled(false);
+			}
 
 			//plot.cpoints.add(K::GnuplotPoint3(pt.x, pt.y, pt.z), p);
 		}
 
+	}
 
+	void showStrongest(const WiFiObserverFree& prob, const WiFiMeasurements& mes, const float hue) {
+
+		// determine min/max probability
+		double min = +99999;
+		double max = -99999;
+		for (Entry& e : pos) {
+			const double p = prob.getProbability(e.pos, mes.entries.front().getTimestamp(), mes);
+			if (p < min) {min = p;}
+			if (p > max) {max = p;}
+		}
+		const double diff = max-min;
+
+		// render
+		for (Entry& e : pos) {
+
+			// get probability within [0:255]
+			const double p = prob.getProbability(e.pos, mes.entries.front().getTimestamp(), mes);
+			const double f = (p-min) / diff * 255;
+
+			if (p != p) {
+				throw Exception("nan");
+			}
+
+			// overwrite weak entries
+			if (f > e.max) {
+
+				const K::GnuplotColor c = K::GnuplotColor::fromHSV(hue, f, 245);
+				e.poly->getFill().setColor(c);
+				e.max = f;
+
+				// disable unlikely onces to save performance and disk-space
+				e.poly->setEnabled(f > 32);
+
+			}
+
+		}
 
 	}
 
@@ -143,6 +192,7 @@ private:
 						e.poly->close();
 						e.poly->getFill().setStyle(K::GnuplotFillStyle::SOLID);
 						e.poly->setStroke(K::GnuplotStroke::NONE());
+						e.poly->setZIndex(f->atHeight - 0.001);	// between outline and obstacles
 
 						e.pos = Point3(x, y, f->atHeight);