private void AddDataSource(DataSource initial_source, Color color)
{
float min_y = 0;
float max_y = 0;
if (is_sigmoid)
{
min_y = 0;
max_y = 1;
}
if (is_hyperbolic)
{
min_y = -1;
max_y = 1;
}
display.DataSources.Add(initial_source);
initial_source.AutoScaleY = false;
initial_source.SetGridDistanceY(100);
initial_source.OnRenderYAxisLabel = RenderYLabel;
initial_source.GraphColor = color;
// initial_source.AutoScaleY = true;
initial_source.SetDisplayRangeY(min_y, max_y);
initial_source.XAutoScaleOffset = 0;
}
private DataSource PredictionSource(int step)
{
double[] prediction = trainer.GetPrediction(train_data, step);
DataSource prediction_source = new DataSource();
prediction_source.Length = data.Length;
float acc = 0;
for (int i = 0; i < data.Length; i++)
{
if (i < network.InputCount() + step - 1)
{
// prediction_source.Samples[i].x = i;
// prediction_source.Samples[i].y = 0.5f;
prediction_source.Samples[i].x = 0;
prediction_source.Samples[i].y = 0;
}
else if (i < network.InputCount() + prediction.Length + step - 1)
{
prediction_source.Samples[i].x = i;
prediction_source.Samples[i].y = (float) prediction[i - network.InputCount() - step + 1];
// acc += (float) normalizer.Denormalize(prediction[i - network.InputCount()]);
// prediction_source.Samples[i].y = acc;
}
else
{
prediction_source.Samples[i].x = 0;
prediction_source.Samples[i].y = 0;
}
}
return prediction_source;
}
private String RenderYLabel(DataSource s, float value)
{
return String.Format("{0:0.0}", value);
}
protected void CalcSinusFunction_3(DataSource ds, int idx,float time)
{
cPoint[] src = ds.Samples;
for (int i = 0; i < src.Length; i++)
{
src[i].x = i;
src[i].y = 200 + (float)((200 * Math.Sin((idx + 1) * (time + i * 100) / 8000.0)))+
+(float)((40 * Math.Sin((idx + 1) * (time + i * 200) / 2000.0)));
/**
(float)( 4* Math.Sin( ((time + (i+8) * 100) / 900.0)))+
(float)(28 * Math.Sin(((time + (i + 8) * 100) / 290.0))); */
}
}
protected void CalcSinusFunction_0(DataSource src, int idx)
{
for (int i = 0; i < src.Length; i++)
{
src.Samples[i].x = i;
src.Samples[i].y = (float)(((float)200 * Math.Sin((idx + 1) *(i + 1.0) * 48 / src.Length)));
}
}
protected void fillDataSource(DataSource src, int idx)
{
if (idx < 0 || idx > numGraphs - 1) return;
for (int i = 0; i < src.Length; i++)
{
src.Samples[i].x = i;
src.Samples[i].y = (float)Graphs[idx].valueCache[i];
}
src.OnRenderYAxisLabel = RenderYLabel;
}
private void DrawXLabels(Graphics g, DataSource source, List<int> marker_pos, float offset_x, float offset_y)
{
Color XLabColor = source.GraphColor;
if (layout == LayoutMode.NORMAL || layout == LayoutMode.STACKED)
{
XLabColor = GraphBoxColor;
}
using (Brush b = new SolidBrush(XLabColor))
{
using (Pen pen = new Pen(b))
{
pen.DashPattern = new float[] { 2, 2 };
if (DX != 0 && source.DY != 0)
{
if (source.Samples != null && source.Samples.Count > 1)
{
IList<cPoint> data = source.Samples;
float mult_y = source.CurGraphHeight / source.DY;
float mult_x = source.CurGraphWidth / DX;
float coff_x = off_X - starting_idx * mult_x;
if (source.AutoScaleX)
{
coff_x = off_X; // avoid dragging in x-autoscale mode
}
foreach (int i in marker_pos)
{
int xi = (int)(data[i].x);
if (xi % grid_distance_x == 0)
{
float x = data[i].x * mult_x + coff_x;
String value = "" + data[i].x;
if (source.OnRenderXAxisLabel != null)
{
value = source.OnRenderXAxisLabel(source, i);
}
if (MoveMinorGrid == false)
{
g.DrawLine(pen, x, GraphCaptionLineHeight + offset_y + source.CurGraphHeight - 14, x, GraphCaptionLineHeight + offset_y + source.CurGraphHeight);
g.DrawString(value, legendFont, b, new PointF((int)(0.5f + x + offset_x + 4), GraphCaptionLineHeight + offset_y + source.CurGraphHeight - 14));
}
else
{
SizeF dim = g.MeasureString(value, legendFont);
g.DrawString(value, legendFont, b, new PointF((int)(0.5f + x + offset_x + 4 - dim.Width / 2), GraphCaptionLineHeight + offset_y + source.CurGraphHeight - 14));
}
}
}
}
}
}
}
}
private List<int> DrawGraphCurve( Graphics g, DataSource source, float offset_x, float offset_y )
{
List<int> marker_positions = new List<int>();
if (DX != 0 && source.DY != 0)
{
List<Point> ps = new List<Point>();
if (source.Samples != null && source.Samples.Count > 1)
{
int DownSample = source.Downsampling;
IList<cPoint> data = source.Samples;
float mult_y = source.CurGraphHeight / source.DY;
float mult_x = source.CurGraphWidth / DX;
float coff_x = off_X - starting_idx * mult_x;
if (source.AutoScaleX)
{
coff_x = off_X; // avoid dragging in x-autoscale mode
}
for (int i = 0; i < data.Count - 1; i += DownSample)
{
float x = data[i].x * mult_x + coff_x;
float y = data[i].y * mult_y + source.off_Y;
int xi = (int)(data[i].x);
if (xi % grid_distance_x == 0)
{
if (x >= (0 - pad_xlabel) && x <= (source.CurGraphWidth + pad_xlabel))
{
marker_positions.Add(i);
}
}
if (x > 0 && x < (source.CurGraphWidth))
{
ps.Add(new Point((int)(x + offset_x+0.5f), (int)(y + offset_y + 0.5f)));
}
else if (x > source.CurGraphWidth)
{
break;
}
}
using (Pen p = new Pen(source.GraphColor))
{
if (ps.Count > 0)
{
g.DrawLines(p, ps.ToArray());
}
}
}
}
return marker_positions;
}
private void initGraph()
{
CowabungaStrategy cowabunga = Backtester.Program.testCowabunga(@"C:\Users\Ralf\Desktop\talib_test\DAT_ASCII_EURGBP_M1_2015.csv");
display.SetDisplayRangeX(0, 10);
display.PanelLayout = PlotterGraphPaneEx.LayoutMode.NORMAL;
DataSource closingPrices = new DataSource();
closingPrices.Length = cowabunga.ticks.Length;
//closingPrices.Samples = new cPoint[cowabunga.ticks.Length];
closingPrices.Name = "Closing Prices";
closingPrices.AutoScaleY = true;
closingPrices.SetDisplayRangeY(0.6f, 0.8f);
closingPrices.SetGridDistanceY(1);
closingPrices.OnRenderXAxisLabel = RenderXLabel;
closingPrices.OnRenderYAxisLabel = RenderYLabel;
for (int i = 0; i < cowabunga.ticks.Length; i++)
{
Tick tick = cowabunga.ticks[i];
closingPrices.Samples[i].x = i;
closingPrices.Samples[i].y = (float)tick.closePrice;
}
DataSource ema75source = new DataSource();
ema75source.Name = "EMA 75";
//setupDataSource(ema75source, cowabunga.ema75);
display.DataSources.Add(closingPrices);
//display.DataSources.Add(ema75source);
ResumeLayout();
display.Refresh();
}
void GetRange(DataSource source, double offset_x, double offset_y, ref double yMax, ref double yMin)
{
if (source.Samples == null)
{
}
int start = 0;
yMax=int.MinValue;
yMin=int.MaxValue;
double mult_x = (source.CurGraphWidth - pad_label - pad_right - 1) / (DX);
cPoint[] data = source.Samples;
if (data == null)
return;
int nopoints = (int)((source.CurGraphWidth - pad_label + pad_right - 1) / mult_x);
if (scroll >= (ScrollBarMax - 10))
{
if (nopoints < data.Length)
{
start = data.Length - nopoints;
double Maxx = data[data.Length - 1].x;
double MinX = Maxx - DX;
if (XD0 > MinX)
MinX = XD0;
while (start >= 1 && (data[start - 1].x) >= MinX)
{
start--;
}
}
else
start = 0;
}
else
{
double xRange = data[data.Length - 1].x - data[0].x;
double startx = data[0].x + scroll * xRange / ScrollBarMax;
double Maxx = data[data.Length - 1].x;
double MinX = Maxx - DX;
if (XD0 > MinX)
MinX = XD0;
if (startx >= MinX)
{
start = (int)data.Length - 1;
while (start >= 1 && (data[start - 1].x) >= MinX)
{
start--;
}
}
else
{
while (start <= data.Length - 2 && (data[start + 1].x) < startx)
{
start++;
}
}
}
if (source.AutoScaleY)
{
for (int counter = start; counter < data.Length; counter++)
{
double x = ((data[counter].x - data[start].x)) /*counter*/ * mult_x;
if (x > source.CurGraphWidth)
{
break;
}
if (data[counter].y < yMin)
yMin = data[counter].y;
if (data[counter].y > yMax)
yMax = data[counter].y;
}
}
else
{
yMax = source.YMax;
yMin = source.YMin;
}
source.StartIndex = start;
}
private void DrawXLabels(Graphics g, DataSource source, List<int> marker_pos, float offset_x, float offset_y)
{
lock (obj)
{
if (!this.Enabled)
return;
SizeF dim = new SizeF();
Color XLabColor = source.GraphColor;
if (layout == LayoutMode.NORMAL || layout == LayoutMode.STACKED)
{
XLabColor = GraphBoxColor;
}
//using (Brush b = new SolidBrush(XLabColor))
Color color = this.Enabled ? Color.Black : Color.Gray;
using (Brush b = new SolidBrush(color))
{
using (Pen pen = new Pen(b))
{
pen.DashPattern = new float[] { 2, 2 };
using (Font axisFont = new Font(FontFamily.GenericSansSerif, 10.0f, FontStyle.Bold))
{
dim = g.MeasureString(XaxisName, axisFont);
g.DrawString(XaxisName, axisFont, b, new PointF((float)(0.5f + source.CurGraphWidth + pad_left + pad_label - dim.Width) / 2,
(float)(this.Height - dim.Height)));
}
if (DX != 0 && source.DY != 0)
{
if (source.Samples != null && source.Samples.Length > 1)
{
cPoint[] data = source.Samples;
double mult_y = source.CurGraphHeight / source.DY;
double mult_x = (source.CurGraphWidth - pad_label - pad_right - 1) / (DX);
if ((source.CurGraphWidth - pad_label - pad_right - 1) % DX != 0 && (source.CurGraphWidth - pad_label - pad_right - 1) % DX < (source.CurGraphWidth - pad_label - pad_right - 1) / DX / 2)
{
//mult_x = (source.CurGraphWidth - pad_label + pad_right - 1) / (DX + grid_distance_x);
}
double coff_x = off_X - starting_idx * mult_x;
if (source.AutoScaleX)
{
coff_x = off_X; // avoid dragging in x-autoscale mode
}
double counter = XD0;
coff_x = 0;
double xmin = ((int)(Min_X / grid_distance_x)) * grid_distance_x;
while (counter<XD1)
{
{
double x = ((xmin - Min_X)) /*counter*/ * mult_x + coff_x;
/*if (scroll > 9990)
{
x = counter * mult_x;
} */
String value = "" + string.Format("{0:0.#}",xmin);
if (source.OnRenderXAxisLabel != null)
{
//value = source.OnRenderXAxisLabel(source, i);
value = xmin.ToString();
}
//Console.WriteLine("Min:" + Min_X + " Value: " + value + " x:" + x + " Counter:" + counter);
if (MoveMinorGrid == false)
{
g.DrawLine(pen, (float)x, (float)(GraphCaptionLineHeight + offset_y + source.CurGraphHeight - 14), (float)x, (float)(GraphCaptionLineHeight + offset_y + source.CurGraphHeight));
g.DrawString(value, legendFont, b, new PointF((int)(0.5f + x + offset_x + 4), (float)(GraphCaptionLineHeight + offset_y + source.CurGraphHeight - 14)));
}
else
{
dim = g.MeasureString(value, legendFont);
if (counter >= 0 && value!="0")
g.DrawString(value, legendFont, b, new PointF((int)(0.5f + x + offset_x - dim.Width / 2), (float)(GraphCaptionLineHeight + offset_y + source.CurGraphHeight - 14)));
else
if (value != "0")
{
g.DrawString(value, legendFont, b, new PointF((int)(x + offset_x), (float)(GraphCaptionLineHeight + offset_y + source.CurGraphHeight - 14)));
}
//if (int.Parse(value) == (int)XD1)
//{
// Xco_ordForMiddleLine = ((int)(x + offset_x));
//}
}
}
xmin += grid_distance_x;
counter += grid_distance_x;
}
}
#if TEST
foreach (int i in marker_pos)
{
double xi = (data[i].x);
double modulo = xi % grid_distance_x;
if (modulo <= 0.000001f || (xi / grid_distance_x * grid_distance_x) == xi)
{
double x = data[i].x * mult_x + coff_x;
x = ((data[i].x - Min_X)) /*counter*/ * mult_x + coff_x;
/*if (scroll > 9990)
{
x = counter * mult_x;
} */
String value = "" + data[i].x;
if (source.OnRenderXAxisLabel != null)
{
value = source.OnRenderXAxisLabel(source, i);
}
Console.WriteLine("Value: " + value + " x:" + x + " grid_distance_x:" + grid_distance_x);
if (MoveMinorGrid == false)
{
g.DrawLine(pen, (float)x, (float)(GraphCaptionLineHeight + offset_y + source.CurGraphHeight - 14), (float)x, (float)(GraphCaptionLineHeight + offset_y + source.CurGraphHeight));
g.DrawString(value, legendFont, b, new PointF((int)(0.5f + x + offset_x + 4), (float)(GraphCaptionLineHeight + offset_y + source.CurGraphHeight - 14)));
}
else
{
dim = g.MeasureString(value, legendFont);
if (counter > 0)
g.DrawString(value, legendFont, b, new PointF((int)(0.5f + x + offset_x - dim.Width / 2), (float)(GraphCaptionLineHeight + offset_y + source.CurGraphHeight - 14)));
else
g.DrawString(value, legendFont, b, new PointF((int)(x + offset_x), (float)(GraphCaptionLineHeight + offset_y + source.CurGraphHeight - 14)));
}
counter++;
}
}
}
#endif
}
}
}
}
private List<int> DrawGraphCurve(Graphics g, DataSource source, double offset_x, double offset_y)
{
List<int> marker_positions = new List<int>();
int maxYCordinate = (int)(1 + source.CurGraphHeight + GraphCaptionLineHeight / 2 + 0.5f);
if (DX != 0 && source.DY != 0)
{
List<Point> ps = new List<Point>();
if (source.Samples != null && source.Samples.Length > 1)
{
int DownSample = source.Downsampling;
cPoint[] data = source.Samples;
double mult_y = source.CurGraphHeight / source.DY;
//float mult_x = source.CurGraphWidth / DX;
double mult_x = (source.CurGraphWidth - pad_label - pad_right - 1) / (DX);
if ((source.CurGraphWidth - pad_label - pad_right - 1) % DX != 0 && (source.CurGraphWidth - pad_label - pad_right - 1) % DX < (source.CurGraphWidth - pad_label - pad_right - 1) / DX / 2)
{
//mult_x = (source.CurGraphWidth - pad_label + pad_right - 1) / (DX + grid_distance_x);
}
double coff_x = off_X - starting_idx * mult_x;
if (source.AutoScaleX)
{
coff_x = off_X; // avoid dragging in x-autoscale mode
}
else
coff_x = 0;
int counter = 0;
double modulo = 0;
Pen pen12 = new Pen(Color.Black,1.0f);
g.DrawLine(pen12, new PointF((int)offset_x, (int)(source.off_Y + offset_y)), new PointF((int)(offset_x + source.CurGraphWidth - pad_label + pad_right - 0.5f), (int)(source.off_Y+offset_y)));
for (int i =source.StartIndex; i < data.Length; i += DownSample)
{
if (Min_X >= MAX_X)
Min_X = data[i].x;
double x = ((data[i].x - Min_X)) /*counter*/ * mult_x + coff_x;
double y = data[i].y * mult_y + source.off_Y;
double xi = (data[i].x);
modulo =(xi % grid_distance_x);
if (modulo <= 0.00001 || (xi > grid_distance_x && Convert.ToDecimal(((int)Convert.ToDecimal(xi / grid_distance_x)) * grid_distance_x) == Convert.ToDecimal(xi)))
{
if (x >= 0 && x <= (source.CurGraphWidth))
{
marker_positions.Add(i);
}
}
if (x >= 0 && x < (source.CurGraphWidth))
{
ps.Add(new Point((int)(x + offset_x + 0f), (int)(y + offset_y + 0f)));
}
else if (x > source.CurGraphWidth)
{
break;
}
else
{
}
counter++;
}
using (Pen pen = new Pen(source.GraphColor,1.0f))
{
if (ps.Count > 1)
{
Point[] gPoints = ps.ToArray();
for (int iterator = 0; iterator < gPoints.Length - 1; iterator++)
{
Point point1 = gPoints[iterator];
Point point2 = gPoints[iterator + 1];
float slope = 0;
if ((maxYCordinate < point1.Y))
{
if ((point2.X - point1.X) == 0)
slope = 0;
else
slope = (point2.Y - point1.Y) / (point2.X - point1.X);
float c = point2.Y - (slope * point2.X);
float reqX = (maxYCordinate - c) / slope;
point1.X = (int)reqX;
point1.Y = maxYCordinate;
}
if ((maxYCordinate < point2.Y))
{
if ((point2.X - point1.X) == 0)
slope = 0;
else
slope = (point2.Y - point1.Y) / (point2.X - point1.X);
float c = point2.Y - (slope * point2.X);
float reqX = (maxYCordinate - c) / slope;
point2.X = (int)reqX;
point2.Y = maxYCordinate;
}
if (point1.X < 0 || point2.X < 0)
continue;
if (!(maxYCordinate < point1.Y || maxYCordinate < point2.Y))
g.DrawLine(pen, point1, point2);
}
// g.DrawLines(p, ps.ToArray());
}
}
}
}
return marker_positions;
}
/*
protected void CalcSinusFunction_0(DataSource src, int idx)
{
for (int i = 0; i < src.Length; i++)
{
src.Samples[i].x = i;
src.Samples[i].y = (float)(((float)200 * Math.Sin((idx + 1) * (i + 1.0) * 48 / src.Length)));
}
}
protected void CalcSinusFunction_1(DataSource src, int idx)
{
for (int i = 0; i < src.Length; i++)
{
src.Samples[i].x = i;
src.Samples[i].y = (float)(((float)20 *
Math.Sin(20 * (idx + 1) * (i + 1) * 3.141592 / src.Length)) *
Math.Sin(40 * (idx + 1) * (i + 1) * 3.141592 / src.Length)) +
(float)(((float)200 *
Math.Sin(200 * (idx + 1) * (i + 1) * 3.141592 / src.Length)));
}
src.OnRenderYAxisLabel = RenderYLabel;
}
protected void CalcSinusFunction_2(DataSource src, int idx)
{
for (int i = 0; i < src.Length; i++)
{
src.Samples[i].x = i;
src.Samples[i].y = (float)(((float)20 *
Math.Sin(40 * (idx + 1) * (i + 1) * 3.141592 / src.Length)) *
Math.Sin(160 * (idx + 1) * (i + 1) * 3.141592 / src.Length)) +
(float)(((float)200 *
Math.Sin(4 * (idx + 1) * (i + 1) * 3.141592 / src.Length)));
}
src.OnRenderYAxisLabel = RenderYLabel;
}
protected void CalcSinusFunction_3(DataSource ds, int idx, float time)
{
cPoint[] src = ds.Samples;
for (int i = 0; i < src.Length; i++)
{
src[i].x = i;
src[i].y = 200 + (float)((200 * Math.Sin((idx + 1) * (time + i * 100) / 8000.0))) +
+(float)((40 * Math.Sin((idx + 1) * (time + i * 200) / 2000.0)));
(float)( 4* Math.Sin( ((time + (i+8) * 100) / 900.0)))+
(float)(28 * Math.Sin(((time + (i + 8) * 100) / 290.0)));
}
}
*/
protected void myfunc(DataSource ds, int idx)
{
cPoint[] src = ds.Samples;
for (int i = 0; i < src.Length; i++)
{
src[i].x = i;
//пример из базы как будто взят и помешщен в листбокс
src[i].y = (float)Convert.ToInt32(listBox1.Items[i]);
}
}
private DataSource TestSource(int step)
{
double[] prediction_on_test = trainer.GetPrediction(test_data, step);
DataSource prediction_source = new DataSource();
prediction_source.Length = data.Length;
float acc = 0;
for (int i = 0; i < data.Length; i++)
{
if (i < network.InputCount() + train_data.Length + step - 1)
{
prediction_source.Samples[i].x = 0;
prediction_source.Samples[i].y = 0;
}
else
{
prediction_source.Samples[i].x = i;
prediction_source.Samples[i].y = (float)prediction_on_test[i - network.InputCount() - train_data.Length - step + 1];
}
}
return prediction_source;
}
private void DrawGraphBox( Graphics g, DataSource source,
float offset_x,
float offset_y,
float GraphCaptionLineHeight)
{
using (Pen p2 = new Pen(GraphBoxColor))
{
g.DrawLine(p2, new Point((int)(offset_x + 0.5f), (int)(offset_y + 0.5f)),
new Point((int)(offset_x + source.CurGraphWidth - 0.5f), (int)(offset_y + 0.5f)));
g.DrawLine(p2, new Point((int)(offset_x + source.CurGraphWidth - 0.5f), (int)(offset_y + 0.5f)),
new Point((int)(offset_x + source.CurGraphWidth - 0.5f), (int)(offset_y + source.CurGraphHeight + GraphCaptionLineHeight / 2 + 0.5f)));
g.DrawLine(p2, new Point((int)(offset_x + source.CurGraphWidth - 0.5f), (int)(offset_y + source.CurGraphHeight + GraphCaptionLineHeight / 2 + 0.5f)),
new Point((int)(offset_x + 0.5f), (int)(offset_y + source.CurGraphHeight + GraphCaptionLineHeight / 2 + 0.5f)));
g.DrawLine(p2, new Point((int)(offset_x + 0.5f), (int)(offset_y + source.CurGraphHeight + GraphCaptionLineHeight / 2 + 0.5f)),
new Point((int)(offset_x + 0.5f), (int)(offset_y + 0.5f)));
}
}
private void setupDataSource(DataSource source, double[] data)
{
source.Samples = new cPoint[data.Length];
for (int i = 0; i < data.Length; i++)
{
double d = data[i];
source.Samples[i].x = i;
source.Samples[i].y = (float)data[i];
source.OnRenderYAxisLabel = RenderYLabel;
source.OnRenderXAxisLabel = RenderXLabel;
}
source.AutoScaleY = true;
}
private void DrawGraphCaption(Graphics g, DataSource source, List<int> marker_pos, float offset_x, float offset_y)
{
using (Brush b = new SolidBrush(source.GraphColor))
{
using (Pen pen = new Pen(b))
{
pen.DashPattern = new float[] { 2, 2 };
g.DrawString(source.Name, legendFont, b, new PointF(offset_x + 12, offset_y + 2));
}
}
}
void IspisiPodatke(DataSource src, int idx, List<double> vrijeme, List<double> napon)
{
// for (int i = 0; i < src.Length; i++)
double granica = vrijeme.Count;
if (napon.Count < granica)
granica = napon.Count;
for (int i = 0; i < granica; i++)
{
src.Samples[i].x = (float)vrijeme[i];
src.Samples[i].y = (float)napon[i];
}
src.OnRenderYAxisLabel = RenderYLabel;
}
private void DrawGrid( Graphics g, DataSource source, float CurrOffX, float CurOffY )
{
int Idx = 0;
float mult_x = source.CurGraphWidth / DX;
float coff_x = off_X - starting_idx * mult_x;
if (source.AutoScaleX)
{
coff_x = off_X; // avoid dragging in x-autoscale mode
}
Color CurGridColor = MajorGridColor;
Color CurMinGridClor = MinorGridColor;
if (layout == LayoutMode.NORMAL && source.AutoScaleY)
{
CurGridColor = source.GraphColor;
CurMinGridClor = source.GraphColor;
}
using (Pen minorGridPen = new Pen(CurMinGridClor))
{
minorGridPen.DashPattern = MinorGridPattern;
minorGridPen.DashStyle = MinorGridDashStyle;
using (Pen p2 = new Pen(CurGridColor))
{
p2.DashPattern = MajorGridPattern;
p2.DashStyle = MajorGridDashStyle;
if (DX != 0)
{
while (true)
{
float x = Idx * grid_distance_x * source.CurGraphWidth / DX + grid_off_x * source.CurGraphWidth / DX;
if (MoveMinorGrid)
{
x += coff_x;
}
if (x > 0 && x < source.CurGraphWidth)
{
g.DrawLine(minorGridPen, new Point((int)(x + CurrOffX - 0.5f), (int)(CurOffY)),
new Point((int)(x + CurrOffX - 0.5f), (int)(CurOffY + source.CurGraphHeight)));
}
if (x > source.CurGraphWidth)
{
break;
}
Idx++;
}
}
if (source.DY != 0)
{
float y0 = (float)(source.grid_off_y * source.CurGraphHeight / source.DY + source.off_Y);
// draw horizontal zero grid lines
g.DrawLine(p2, new Point((int)CurrOffX, (int)(CurOffY + y0 + 0.5f)), new Point((int)(CurrOffX + source.CurGraphWidth + 0.5f), (int)(CurOffY + y0 + 0.5f)));
// draw horizontal grid lines
for (Idx = (int)(source.grid_off_y);Idx > (int)(source.YD0 ); Idx -= (int)source.grid_distance_y)
{
float y = (float)(Idx * source.CurGraphHeight) / source.DY + source.off_Y;
if (y >= 0 && y < source.CurGraphHeight)
{
g.DrawLine(minorGridPen,
new Point((int)CurrOffX, (int)(CurOffY + y + 0.5f)),
new Point((int)(CurrOffX + source.CurGraphWidth + 0.5f), (int)(0.5f + CurOffY + y)));
}
}
// draw horizontal grid lines
for (Idx = (int)(source.grid_off_y); Idx < (int)(source.YD1 ); Idx += (int)source.grid_distance_y)
{
float y = (float)Idx * source.CurGraphHeight / source.DY + source.off_Y;
if (y >= 0 && y < source.CurGraphHeight)
{
g.DrawLine(minorGridPen,
new Point((int)CurrOffX, (int)(CurOffY + y + 0.5f)),
new Point((int)(CurrOffX + source.CurGraphWidth + 0.5f), (int)(0.5f + CurOffY + y)));
}
}
}
}
}
}
private String RenderXLabel(DataSource s, int idx)
{
if (s.AutoScaleX)
{
//if (idx % 2 == 0)
{
double Value = (s.Samples[idx].x);
return "" + Value;
}
//return "";
}
else
{
double Value = (s.Samples[idx].x);
return "" + Value;
}
}
private void DrawYLabels(Graphics g, DataSource source, List<int> marker_pos, float offset_x, float offset_y )
{
using (Brush b = new SolidBrush(source.GraphColor))
{
using (Pen pen = new Pen(b))
{
pen.DashPattern = new float[] { 2, 2 };
// draw labels for horizontal lines
if (source.DY != 0)
{
float Idx = 0;
float y0 = (float)(source.grid_off_y * source.CurGraphHeight / source.DY + source.off_Y);
String value = "" + Idx;
if (source.OnRenderYAxisLabel != null)
{
value = source.OnRenderYAxisLabel(source, Idx);
}
SizeF dim = g.MeasureString(value, legendFont);
g.DrawString(value, legendFont, b, new PointF((int)offset_x - dim.Width, (int)(offset_y + y0 + 0.5f + dim.Height / 2)));
float GridDistY = source.grid_distance_y;
if (source.AutoScaleY)
{
// calculate a matching grid distance
GridDistY = - Utilities.MostSignificantDigit(source.DY );
if (GridDistY == 0)
{
GridDistY = source.grid_distance_y;
}
}
for (Idx = (source.grid_off_y); Idx > (source.Cur_YD0); Idx -= GridDistY)
{
if (Idx != 0)
{
float y1 = (float)((Idx) * source.CurGraphHeight) / source.DY + source.off_Y;
value = "" + (Idx);
if (source.OnRenderYAxisLabel != null)
{
value = source.OnRenderYAxisLabel(source, Idx);
}
dim = g.MeasureString(value, legendFont);
g.DrawString(value, legendFont, b, new PointF((int)offset_x - dim.Width, (int)(offset_y + y1 + 0.5f + dim.Height / 2)));
}
}
for (Idx = (source.grid_off_y); Idx < (source.Cur_YD1); Idx += GridDistY)
{
if (Idx != 0)
{
float y2 = (float)((Idx) * source.CurGraphHeight) / source.DY + source.off_Y;
value = "" + (Idx);
if (source.OnRenderYAxisLabel != null)
{
value = source.OnRenderYAxisLabel(source, Idx);
}
dim = g.MeasureString(value, legendFont);
g.DrawString(value, legendFont, b, new PointF((int)offset_x - dim.Width, (int)(offset_y + y2 + 0.5f + dim.Height / 2)));
}
}
}
}
}
}
// ------------------------------------------------------------------------------------------------------
private void _addChannelGraph(EEGChannelBuffer buf)
{
DataSource ds = new DataSource();
display.DataSources.Add(ds);
ds.OnRenderXAxisLabel += _onRenderXLabel;
ds.OnRenderYAxisLabel = _onRenderYLabel;
ds.Name = buf.Name;
ds.Length = (int)buf.Length;
ds.XAutoScaleOffset = 0;
ds.AutoScaleX = true;
ds.AutoScaleY = false;
ds.SetDisplayRangeY(-300, 300);
ds.SetGridDistanceY(100);
channelGraphs.Add(new ChannelGraph(ds, buf));
}
private String RenderXLabel(DataSource s, int idx)
{
return String.Format("{0}", (int)s.Samples[idx].x);
}
// ------------------------------------------------------------------------------------------------------
private String _onRenderXLabel(DataSource s, int idx)
{
// return "Time";
return plotName;
}
protected void CalcSinusFunction_2(DataSource src, int idx)
{
for (int i = 0; i < src.Length; i++)
{
src.Samples[i].x = i;
src.Samples[i].y = (float)(((float)20 *
Math.Sin(40 * (idx + 1) * (i + 1) * Math.PI / src.Length)) *
Math.Sin(160 * (idx + 1) * (i + 1) * Math.PI / src.Length)) +
(float)(((float)200 *
Math.Sin(4 * (idx + 1) * (i + 1) * Math.PI / src.Length)));
}
src.OnRenderYAxisLabel = RenderYLabel;
}
// ------------------------------------------------------------------------------------------------------
private void _updateDataSource(DataSource ds, EEGChannelBuffer buf)
{
cPoint[] dest = ds.Samples;
for (uint i = 0; i < buf.BufferSize; i++)
{
EEGChannelBuffer.sample s = buf.getSample(i);
dest[i].x = s.time;
dest[i].y = s.value;
}
}
private String RenderXLabel(DataSource s, int idx)
{
if (s.AutoScaleX)
{
//if (idx % 2 == 0)
{
int Value = (int)(s.Samples[idx].x );
return "" + Value;
}
return "";
}
else
{
int Value = (int)(s.Samples[idx].x / 200);
String Label = "" + Value + "\"";
return Label;
}
}
public ChannelGraph(DataSource ds, EEGChannelBuffer bf)
{
EEGChannelBuffer = bf;
dataSource = ds;
}
/// <summary>
/// Constructor
/// </summary>
public NeuralNetworkAnalysisForm()
{
InitializeComponent();
this.actualDS = new DataSource();
this.predictedDS = new DataSource();
this.validationDS = new DataSource();
this.actualDS.Name = "Actual";
this.predictedDS.Name = "Predicted";
this.validationDS.Name = "Validation";
this.actualDS.GraphColor = Color.Blue;
this.predictedDS.GraphColor = Color.Red;
this.validationDS.GraphColor = Color.Green;
seriesGraph.Sources.Add(this.actualDS);
seriesGraph.Sources.Add(this.predictedDS);
seriesGraph.Sources.Add(this.validationDS);
seriesGraph.BgndColorTop = Color.White;
seriesGraph.BgndColorBot = Color.FromArgb(203, 255, 203);
seriesGraph.MinorGridColor= Color.Green;
seriesGraph.MajorGridColor= Color.Green;
this.updateSettings();
}
private DataSource InitialSource()
{
DataSource initial_source;
initial_source = new DataSource();
initial_source.Length = data.Length;
for (int i = 0; i < data.Length; i++)
{
initial_source.Samples[i].x = i;
initial_source.Samples[i].y = (float) data[i];
}
return initial_source;
}
