comparison bayesianArraySrc/DynamicVector.cpp @ 20:4f6006cac9de

added evaluation of recorded tempo, holding of this data, drawing of recorded and playing tempo estimates

 }
 
 
 
 void DynamicVector::addGaussianShapeFromRealTime(const double& actualTime, const double& StdDev, double factor){
-	
+	//could be further optimised
 	double mean = getRealTermsAsIndex(actualTime);
-//	printf("Gaussian realtime %f at index %f\n", actualTime, mean);
-	int i;
-	double std_dev_factor = (2*StdDev*StdDev);
-	factor *= (1/(StdDev*sqrt(2*PI)));
-	int maxVal = min((int) array.size(), (int)(mean + 4.8*StdDev));
-	int minVal = max(0, (int)(mean - 4.8*StdDev));
+	double standardDeviation = StdDev / scalar;//in vector indices from real time (ms)
+	//printf("Gaussian realtime %f at index %f std dev %f vec indices %f\n", actualTime, mean, StdDev, standardDeviation );
+	int i;
+	double std_dev_factor = (2*standardDeviation*standardDeviation);
+	factor *= (1/(standardDeviation*sqrt(2*PI)));
+	int maxVal = min((int) array.size(), (int)(mean + 4.8*standardDeviation));
+	int minVal = max(0, (int)(mean - 4.8*standardDeviation));
 	
 	for (i=minVal;i < maxVal;i++){
 		array[i] += factor*exp(-1*(i-mean)*(i-mean)/(std_dev_factor));
 	}