huge commit

- worked on about everything
- grid walker using plugable modules
- wifi models
- new distributions
- worked on geometric data-structures
- added typesafe timestamps
- worked on grid-building
- added sensor-classes
- added sensor analysis (step-detection, turn-detection)
- offline data reader
- many test-cases

math/distribution/LUT.h

@@ -3,6 +3,7 @@
 
 #include <vector>
 #include "../Math.h"
+#include "../DrawList.h"
 
 namespace Distribution {
 
@@ -38,6 +39,29 @@ namespace Distribution {
 			return samples[idx];
 		}
 
+		/** get a DrawList for this LUT to draw random values out of it */
+		DrawList<Scalar> getDrawList() {
+			DrawList<Scalar> dl;
+			for (int idx = 0; idx < (int) samples.size(); ++idx) {
+				const Scalar val = idxToVal(idx);
+				const Scalar prob = samples[idx];
+				dl.add(val, prob);
+			}
+			return dl;
+		}
+
+protected:
+
+		/** convert value [min:max] to index [0:numSamples] */
+		inline int valToIdx(const Scalar val) const {
+			return ((val - min) * numSamples / diff);
+		}
+
+		/** convert index [0:numSamples] to value [min:max] */
+		inline Scalar idxToVal(const int idx) const {
+			return min + (idx * diff / numSamples);
+		}
+
 	private:
 
 		/** build the look-up-table */