private void Update_Graph(object sender, EventArgs e)
{
Analysis_View.GraphPane.CurveList.Clear();
int REC_ID = 0;
try
{
REC_ID = int.Parse(Receiver_Choice.Text);
int OCT_ID = PachTools.OctaveStr2Int(Graph_Octave.Text);
Analysis_View.GraphPane.Title.Text = "Logarithmic Energy Time Curve";
Analysis_View.GraphPane.XAxis.Title.Text = "Time (seconds)";
Analysis_View.GraphPane.YAxis.Title.Text = "Sound Pressure Level (dB)";
List <int> SrcIDs = new List <int>();
foreach (int i in SourceList.CheckedIndices)
{
SrcIDs.Add(i);
}
//List<double[]> Filter = new List<double[]>();
List <System.Drawing.Color> C = new List <System.Drawing.Color> {
System.Drawing.Color.Red, System.Drawing.Color.OrangeRed, System.Drawing.Color.Orange, System.Drawing.Color.DarkGoldenrod, System.Drawing.Color.Olive, System.Drawing.Color.Green, System.Drawing.Color.Aquamarine, System.Drawing.Color.Azure, System.Drawing.Color.Blue, System.Drawing.Color.Indigo, System.Drawing.Color.Violet
};
double[][] Temp;
switch (DistributionType.Text)
{
case "Monaural":
Response = new double[1][];
Response[0] = (AcousticalMath.Auralization_Filter(Direct_Data, IS_Data, Receiver, CutoffTime, SampleRate, REC_ID, SrcIDs, false));
break;
case "First Order Ambisonics":
Response = new double[4][];
Temp = AcousticalMath.AurFilter_Fig8_3Axis(Direct_Data, IS_Data, Receiver, CutoffTime, SampleRate, Receiver_Choice.SelectedIndex, SelectedSources(), false, (double)Alt_Choice.Value, (double)Azi_Choice.Value, true);
Response[0] = AcousticalMath.Auralization_Filter(Direct_Data, IS_Data, Receiver, CutoffTime, SampleRate, REC_ID, SrcIDs, false);
Response[1] = Temp[0];
Response[2] = Temp[1];
Response[3] = Temp[2];
break;
case "Second Order Ambisonics":
Response = new double[9][];
Temp = AcousticalMath.AurFilter_Fig8_3Axis(Direct_Data, IS_Data, Receiver, CutoffTime, SampleRate, Receiver_Choice.SelectedIndex, SelectedSources(), false, (double)Alt_Choice.Value, (double)Azi_Choice.Value, true);
Response[0] = AcousticalMath.Auralization_Filter(Direct_Data, IS_Data, Receiver, CutoffTime, SampleRate, REC_ID, SrcIDs, false);
Response[1] = Temp[0];
Response[2] = Temp[1];
Response[3] = Temp[2];
Temp = AcousticalMath.AurFilter_Ambisonics2(Direct_Data, IS_Data, Receiver, CutoffTime, SampleRate, Receiver_Choice.SelectedIndex, SelectedSources(), false, (double)Alt_Choice.Value, (double)Azi_Choice.Value, true);
Response[4] = Temp[0];
Response[5] = Temp[1];
Response[6] = Temp[2];
Response[7] = Temp[3];
Response[8] = Temp[4];
break;
case "Third Order Ambisonics":
Response = new double[16][];
Temp = AcousticalMath.AurFilter_Fig8_3Axis(Direct_Data, IS_Data, Receiver, CutoffTime, SampleRate, Receiver_Choice.SelectedIndex, SelectedSources(), false, (double)Alt_Choice.Value, (double)Azi_Choice.Value, true);
Response[0] = AcousticalMath.PTCurve(Direct_Data, IS_Data, Receiver, CutoffTime, SampleRate, REC_ID, SrcIDs, false);
Response[1] = Temp[0];
Response[2] = Temp[1];
Response[3] = Temp[2];
Temp = AcousticalMath.AurFilter_Ambisonics2(Direct_Data, IS_Data, Receiver, CutoffTime, SampleRate, Receiver_Choice.SelectedIndex, SelectedSources(), false, (double)Alt_Choice.Value, (double)Azi_Choice.Value, true);
Response[4] = Temp[0];
Response[5] = Temp[1];
Response[6] = Temp[2];
Response[7] = Temp[3];
Response[8] = Temp[4];
Temp = AcousticalMath.AurFilter_Ambisonics3(Direct_Data, IS_Data, Receiver, CutoffTime, SampleRate, Receiver_Choice.SelectedIndex, SelectedSources(), false, (double)Alt_Choice.Value, (double)Azi_Choice.Value, true);
Response[9] = Temp[0];
Response[10] = Temp[1];
Response[11] = Temp[2];
Response[12] = Temp[3];
Response[13] = Temp[4];
Response[14] = Temp[5];
Response[15] = Temp[6];
break;
default:
Response = new double[Channel_View.Items.Count][];
for (int i = 0; i < Channel_View.Items.Count; i++)
{
double alt = -(double)Alt_Choice.Value + 180 * Math.Asin((Channel_View.Items[i] as channel).V.z) / Math.PI;
double azi = (double)Azi_Choice.Value + 180 * Math.Atan2((Channel_View.Items[i] as channel).V.y, (Channel_View.Items[i] as channel).V.x) / Math.PI;
if (alt > 90)
{
alt -= 180;
}
if (alt < -90)
{
alt += 180;
}
if (azi > 360)
{
azi -= 360;
}
if (azi < 0)
{
azi += 360;
}
Response[i] = AcousticalMath.AurFilter_Directional(Direct_Data, IS_Data, Receiver, CutoffTime, SampleRate, PachTools.OctaveStr2Int(Graph_Octave.Text), REC_ID, SrcIDs, false, alt, azi, true);
}
break;
}
//for (int i = 0; i < Response.Length; i++) Response[i] = Pach_SP.Whiten_Signal(Response[i]);
//Get the maximum value of the Direct Sound
double DirectMagnitude = 0;
foreach (int i in SourceList.CheckedIndices)
{
double[] E = Direct_Data[i].EnergyValue(OCT_ID, REC_ID);
for (int j = 0; j < E.Length; j++)
{
double D = AcousticalMath.SPL_Intensity(E[j]);
if (D > DirectMagnitude)
{
DirectMagnitude = D;
}
}
}
double[] time = new double[Response[0].Length];
for (int i = 0; i < Response[0].Length; i++)
{
time[i] = (double)i / SampleRate - 1024f / SampleRate;
}
for (int i = 0; i < Response.Length; i++)
{
if (OCT_ID < 8)
{
double[] filter = Audio.Pach_SP.FIR_Bandpass(Response[i], OCT_ID, SampleRate, 0);
Analysis_View.GraphPane.AddCurve(String.Format("Channel {0}", i), time, AcousticalMath.SPL_Pressure_Signal(filter), C[i % 10], ZedGraph.SymbolType.None);
}
else
{
Analysis_View.GraphPane.AddCurve(String.Format("Channel {0}", i), time, Response[i], C[i % 10], ZedGraph.SymbolType.None);
}
}
Analysis_View.GraphPane.XAxis.Scale.Max = time[time.Length - 1];
Analysis_View.GraphPane.XAxis.Scale.Min = time[0];
Analysis_View.GraphPane.YAxis.Scale.Max = (OCT_ID == 8)? 3E-6 * Math.Pow(10, DirectMagnitude / 20) * 1.1 : DirectMagnitude + 15;
Analysis_View.GraphPane.YAxis.Scale.Min = 0;
//AuralisationConduit.Instance.set_direction(Receiver[0].Origin(Receiver_Choice.SelectedIndex), new Rhino.Geometry.Vector3d(Math.Cos((float)Azi_Choice.Value * Math.PI / 180.0f) * Math.Cos((float)Alt_Choice.Value * Math.PI / 180.0f), Math.Sin((float)Azi_Choice.Value * Math.PI / 180.0f) * Math.Cos((float)Alt_Choice.Value * Math.PI / 180.0f), Math.Sin((float)Alt_Choice.Value * Math.PI / 180.0f)));
Rhino.RhinoDoc.ActiveDoc.Views.Redraw();
}
catch { return; }
Analysis_View.AxisChange();
Analysis_View.Invalidate();
Draw_Feedback();
}