EVE PI extractor calculation code

        List<float> CalculateExtractorValues()
        {
            //Corresponding ingame view: http://i.imgur.com/2LWLj2w.png
            //Graph of this code: http://i.imgur.com/6VsmWCX.png
            int sec = 1;
            List<float> values = new List<float>();
            int installTime = 0;
            int expiryTime = 171000; //1d 23h 30m; from API expiryTime-installTime
            int cycleTime = 30*60; //30 minutes, value from API * 60
            int quantityPerCycle = 6965; //Value from API
            int numIterations = (expiryTime-installTime)/(cycleTime);

            float decayFactor = 0.012f; //Dogma attribute 1683 for this pin typeID - using defaults from dgmAttributeTypes
            float noiseFactor = 0.8f; //Dogma attribute 1687 for this pin typeID - using defaults from dgmAttributeTypes


            float barWidth = (float)cycleTime / sec / 900.0f;
            const float f1 = 1f / 12;
            const float f2 = 1f / 5;
            const float f3 = 1f / 2;

            for (int i = 0; i < numIterations; i++)
            {
                //timeDiff equals currentTime because installTime is zero. installTime has no effect on the results as long as total time remains constant.
                int timeDiff = (i + 1)*cycleTime;

                int cycleNum = Math.Max((timeDiff + sec)/cycleTime - 1, 0);

                float t = (cycleNum + 0.5f)*barWidth;

                float decayValue = quantityPerCycle/(1 + t * decayFactor);

                double phaseShift = Math.Pow(quantityPerCycle, 0.7f);

                double sinA = Math.Cos(phaseShift + t*f1);
                double sinB = Math.Cos(phaseShift/2 + t*f2);
                double sinC = Math.Cos(t*f3);

                double sinStuff = (sinA + sinB + sinC)/3;
                sinStuff = Math.Max(sinStuff, 0);

                double barHeight = decayValue*(1 + noiseFactor*sinStuff);

                values.Add((float) (barWidth*barHeight));
            }
            return values;
        }