public static StreamGeometry StreamGeometryFromCurve(Curve curve, MatrixTransform graphToCanvas)
{
double[] tempX;
double[] tempY;
if (graphToCanvas != null)
{
tempX = curve.xTransformed.MultiplyBy(graphToCanvas.Matrix.M11).SumWith(graphToCanvas.Matrix.OffsetX);
tempY = curve.yTransformed.MultiplyBy(graphToCanvas.Matrix.M22).SumWith(graphToCanvas.Matrix.OffsetY);
}
else
{
tempX = curve.xTransformed; tempY = curve.yTransformed;
}
StreamGeometry streamGeometry = new StreamGeometry();
StreamGeometryContext context = streamGeometry.Open();
int lines = 0;
for (int i = 0; i < curve.x.Count(); ++i)
{
if (i == 0)
{
context.BeginFigure(new Point(tempX[i], tempY[i]), false, false);
}
else
{
if (curve.includeLinePoint[i])
{
context.LineTo(new Point(tempX[i], tempY[i]), true, false);
lines++;
}
}
}
context.Close();
return streamGeometry;
}
public static PathGeometry PathGeometryFromCurve(Curve curve, MatrixTransform graphToCanvas)
{
double xScale, xOffset, yScale, yOffset;
if (graphToCanvas != null)
{
xScale = graphToCanvas.Matrix.M11;
xOffset = graphToCanvas.Matrix.OffsetX;
yScale = graphToCanvas.Matrix.M22;
yOffset = graphToCanvas.Matrix.OffsetY;
}
else
{
xScale = 1; xOffset = 0;
yScale = 1; yOffset = 0;
}
PathGeometry pathGeometry = new PathGeometry();
if (curve.x.Count() == 0)
return pathGeometry;
PathFigure pathFigure = new PathFigure();
LineSegment lineSegment;
double xCanvas = curve.xTransformed[0] * xScale + xOffset;
double yCanvas = curve.yTransformed[0] * yScale + yOffset;
pathFigure.StartPoint = new Point(xCanvas, yCanvas);
for (int i = 1; i < curve.x.Count(); ++i)
{
if (curve.includeLinePoint[i])
{
lineSegment = new LineSegment();
xCanvas = curve.xTransformed[i] * xScale + xOffset;
yCanvas = curve.yTransformed[i] * yScale + yOffset;
lineSegment.Point = new Point(xCanvas, yCanvas);
pathFigure.Segments.Add(lineSegment);
}
}
pathFigure.IsClosed = false;
pathGeometry.Figures.Add(pathFigure);
return pathGeometry;
}
internal static Geometry MarkersAsGeometry(Curve curve, MatrixTransform graphToCanvas, MarkersType markersType, double markersSize)
{
double xScale = graphToCanvas.Matrix.M11;
double xOffset = graphToCanvas.Matrix.OffsetX;
double yScale = graphToCanvas.Matrix.M22;
double yOffset = graphToCanvas.Matrix.OffsetY;
GeometryGroup markers = new GeometryGroup();
double width = Math.Abs(markersSize);
double height = Math.Abs(markersSize);
Geometry markerGeometry = LegendMarkerGeometry(markersType, markersSize);
if (markerGeometry == null) return null;
markerGeometry.Freeze();
for (int i = 0; i < curve.xTransformed.Length; ++i)
{
if (!curve.includeMarker[i]) continue;
double xCanvas = curve.xTransformed[i] * xScale + xOffset;
double yCanvas = curve.yTransformed[i] * yScale + yOffset;
Geometry newMarker = markerGeometry.Clone();
newMarker.Transform = new TranslateTransform(xCanvas, yCanvas);
markers.Children.Add(newMarker);
}
markers.Freeze();
return markers;
}
public void HSV()
{
colourMapMode = ColourMapMode.HSV;
interpPoints = new double[] { 0.0, 0.25, 0.5, 0.75, 1.0 };
hue = new Curve(interpPoints, new double[] { 0.0, 0.25, 0.5, 0.75, 1.0 });
saturation = new Curve(interpPoints, new double[] { 1.0, 1.0, 1.0, 1.0, 1.0 });
value = new Curve(interpPoints, new double[] { 1.0, 1.0, 1.0, 1.0, 1.0 });
}
public void Jet()
{
// RGB format used
// Assume that pixel color is colour at pixel centre
// 0 Dark blue (0,0,0.5) to blue (0,0,1) 1/8
// 1 Blue (0,0,1) to cyan (0,1,1) 2/8
// 2 Cyan (0,1,1) to yellow (1,1,0) 2/8
// 3 Yellow (1,1,0) to red (1,0,0) 2/8
// 4 Red (1,0,0) to dark red (0.5,0,0) 1/8
// Dark Blue, blue, cyan, yellow, red, dark red
colourMapMode = ColourMapMode.RGB;
interpPoints = new double[] { 0.0, 0.01, 0.125, 0.375, 0.625, 0.875, 0.99, 1.0 };
red = new Curve(interpPoints, new double[] { 0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 0.5, 0.5 });
green = new Curve(interpPoints, new double[] { 0.0, 0.0, 0.0, 1.0, 1.0, 0.0, 0.0, 0.0 });
blue = new Curve(interpPoints, new double[] { 0.5, 0.5, 1.0, 1.0, 0.0, 0.0, 0.0, 0.0 });
}
public void Gray()
{
colourMapMode = ColourMapMode.RGB;
interpPoints = new double[] { 0.0, 0.125, 0.375, 0.625, 0.875, 1.0 };
red = new Curve(interpPoints, new double[] { 0.0, 0.125, 0.375, 0.625, 0.875, 1.0 });
green = new Curve(interpPoints, new double[] { 0.0, 0.125, 0.375, 0.625, 0.875, 1.0 });
blue = new Curve(interpPoints, new double[] { 0.0, 0.125, 0.375, 0.625, 0.875, 1.0 });
}
public void Add(Curve curve)
{
this.curveList.Add(curve);
}
public Plot2DCurve(object x, object y)
{
this.curve = new Curve(Plotting.Array(x), Plotting.Array(y));
Initialize();
}
public Plot2DCurve(Curve curve)
{
this.curve = curve;
Initialize();
}
public Plot2DCurve AddLine(object x, object y)
{
Curve curve = new Curve(Plotting.Array(x), Plotting.Array(y));
Plot2DCurve plot2DCurve = new Plot2DCurve(curve);
this.Children.Add(plot2DCurve);
return plot2DCurve;
}
public Plot2DCurve AddLine(double[] x, double[] y)
{
Curve curve = new Curve(x, y);
Plot2DCurve plot2DCurve = new Plot2DCurve(curve);
this.Children.Add(plot2DCurve);
return plot2DCurve;
}
