public ComputedFractalValue()
{
myFractalColorValue = new FractalColorValue(0, 0, 0, 0);
myListOfScreenPositions = new List <Point>();
myListOfPlanePositions = new List <PointInPlane>();
myTypeOfShape = TypesOfShape.None;
}
private void WriteColorToConfigurationXml(XmlWriter xmlWriterIn, FractalColorValue fractalColorValueIn)
{
xmlWriterIn.WriteElementString("A", Convert.ToString(fractalColorValueIn.alpha, CultureInfo.InvariantCulture));
xmlWriterIn.WriteElementString("R", Convert.ToString(fractalColorValueIn.red, CultureInfo.InvariantCulture));
xmlWriterIn.WriteElementString("G", Convert.ToString(fractalColorValueIn.green, CultureInfo.InvariantCulture));
xmlWriterIn.WriteElementString("B", Convert.ToString(fractalColorValueIn.blue, CultureInfo.InvariantCulture));
}
// to static methods for linear interpolation of color
public static FractalColorValue InterpolateColor(double valueIn, double minimumValueIn, double maximumValueIn, FractalColorValue color1In, FractalColorValue color2In)
{
FractalColorValue aInterpolatedColor = new FractalColorValue();
aInterpolatedColor.alpha = (int)(color1In.alpha + (double)(color2In.alpha - color1In.alpha) * Math.Abs(valueIn - minimumValueIn) / Math.Abs(maximumValueIn - minimumValueIn));
aInterpolatedColor.red = (int)(color1In.red + (double)(color2In.red - color1In.red) * Math.Abs(valueIn - minimumValueIn) / Math.Abs(maximumValueIn - minimumValueIn));
aInterpolatedColor.green = (int)(color1In.green + (double)(color2In.green - color1In.green) * Math.Abs(valueIn - minimumValueIn) / Math.Abs(maximumValueIn - minimumValueIn));
aInterpolatedColor.blue = (int)(color1In.blue + (double)(color2In.blue - color1In.blue) * Math.Abs(valueIn - minimumValueIn) / Math.Abs(maximumValueIn - minimumValueIn));
return(aInterpolatedColor);
}
public ComputedFractalValues ReturnComputedFractalValues(RectangleInPlane fractalRectangleIn, int xMaxIn, int yMaxIn, IList <FractalColorValue> fractalColorValuesIn, System.Windows.Forms.ProgressBar fractalProgressIn)
{
if (fractalColorValuesIn.Count < NumberOfColorUsed)
{
throw new FractalObserverException("Fractal PythagorasTree needs more colors that are available in the input parameter fractalColorValuesIn!");
}
ComputedFractalValues aComputedFractalValuesValues = new ComputedFractalValues();
for (int aCurrentYPos = 0; aCurrentYPos < yMaxIn; aCurrentYPos++)
{
fractalProgressIn.Value = (int)(100.0 * ((double)aCurrentYPos / (double)yMaxIn));
for (int aCurrentXPos = 0; aCurrentXPos < xMaxIn; aCurrentXPos++)
{
int tempValue = 0;
ComplexNumber c = new ComplexNumber();
c.Re = fractalRectangleIn.StartX + Math.Abs(fractalRectangleIn.StartX - fractalRectangleIn.EndX) * ((double)aCurrentXPos / (double)xMaxIn);
c.Im = fractalRectangleIn.StartY + Math.Abs(fractalRectangleIn.StartY - fractalRectangleIn.EndY) * ((double)aCurrentYPos / (double)yMaxIn);
int n = 0;
myZValues[n].Re = 0.0;
myZValues[n].Im = 0.0;
// computation of value for function z2+c, if it converges (if it is bounded) the point is part of mandelbrot set
do
{
n++;
myZValues[n] = ComplexOperations.Add(Equation.ComplexFunctionValue(myZValues[n - 1]), c);
} while (((Math.Abs(myZValues[n].Re) < myMaximumValueForConvergation) && (Math.Abs(myZValues[n].Im) < myMaximumValueForConvergation)) && (n < (MaximumNumberOfIterations - 1)));
tempValue = n;
ComputedFractalValue aCFValue = new ComputedFractalValue();
FractalColorValue aFractalColorValue = ReturnColor(tempValue, fractalColorValuesIn);
aCFValue.ColorValue = aFractalColorValue;
aCFValue.AddComputedPoint(new System.Drawing.Point(aCurrentXPos, aCurrentYPos));
aCFValue.TypeOfShape = TypesOfShape.Point;
aCFValue.UsedTypeOfCoordinateSystem = TypesOfCoordinateSystem.Screen;
aComputedFractalValuesValues.AddComputedFractalValue(aCFValue);
}
}
return(aComputedFractalValuesValues);
}
private FractalColorValue ReturnColor(int rootIn, int valueIn, IList <FractalColorValue> fractalColorValuesIn)
{
FractalColorValue aFractalColorValue = new FractalColorValue();
// choosing color appropriate to root found
switch (rootIn)
{
case 0:
aFractalColorValue.red = fractalColorValuesIn[0].red;
aFractalColorValue.green = fractalColorValuesIn[0].green;
aFractalColorValue.blue = fractalColorValuesIn[0].blue;
aFractalColorValue.alpha = fractalColorValuesIn[0].alpha;
break;
case 1:
aFractalColorValue.red = fractalColorValuesIn[1].red;
aFractalColorValue.green = fractalColorValuesIn[1].green;
aFractalColorValue.blue = fractalColorValuesIn[1].blue;
aFractalColorValue.alpha = fractalColorValuesIn[1].alpha;
break;
case 2:
aFractalColorValue.red = fractalColorValuesIn[2].red;
aFractalColorValue.green = fractalColorValuesIn[2].green;
aFractalColorValue.blue = fractalColorValuesIn[2].blue;
aFractalColorValue.alpha = fractalColorValuesIn[2].alpha;
break;
case 3:
aFractalColorValue.red = fractalColorValuesIn[3].red;
aFractalColorValue.green = fractalColorValuesIn[3].green;
aFractalColorValue.blue = fractalColorValuesIn[3].blue;
aFractalColorValue.alpha = fractalColorValuesIn[3].alpha;
break;
default:
break;
}
// background color is used if too many (maximum) iterations are used to converge to root
aFractalColorValue = ColorInterpolation.InterpolateColor(valueIn, 0, MaximumNumberOfIterations, aFractalColorValue, fractalColorValuesIn[0]);
return(aFractalColorValue);
}
private FractalColorValue ReadColorFromConfigurationXml(XmlReader xmlReaderIn, string colorNameIn)
{
FractalColorValue aFractalColorValue = new FractalColorValue();
while (xmlReaderIn.Read())
{
if (xmlReaderIn.NodeType == XmlNodeType.Element)
{
switch (xmlReaderIn.Name)
{
case "R":
{
aFractalColorValue.red = Convert.ToInt32(xmlReaderIn.ReadString(), CultureInfo.InvariantCulture);
break;
}
case "G":
{
aFractalColorValue.green = Convert.ToInt32(xmlReaderIn.ReadString(), CultureInfo.InvariantCulture);
break;
}
case "B":
{
aFractalColorValue.blue = Convert.ToInt32(xmlReaderIn.ReadString(), CultureInfo.InvariantCulture);
break;
}
case "A":
{
aFractalColorValue.alpha = Convert.ToInt32(xmlReaderIn.ReadString(), CultureInfo.InvariantCulture);
break;
}
}
}
else if (xmlReaderIn.NodeType == XmlNodeType.EndElement && xmlReaderIn.Name == colorNameIn)
{
break;
}
}
return(aFractalColorValue);
}
public ComputedFractalValues ReturnComputedFractalValues(RectangleInPlane fractalRectangleIn, int xMaxIn, int yMaxIn, IList <FractalColorValue> fractalColorValuesIn, System.Windows.Forms.ProgressBar fractalProgressIn)
{
if (fractalColorValuesIn.Count < NumberOfColorUsed)
{
throw new FractalObserverException("Fractal PythagorasTree needs more colors that are available in the input parameter fractalColorValuesIn!");
}
ComputedFractalValues aComputedFractalValues = new ComputedFractalValues();
aComputedFractalValues.ShallFillInterior = false;
ComputedFractalValue aCFValue = new ComputedFractalValue();
FractalColorValue aFractalColorValue = ReturnColor(fractalColorValuesIn);
aCFValue.ColorValue = aFractalColorValue;
aCFValue.TypeOfShape = TypesOfShape.Lines;
aCFValue.UsedTypeOfCoordinateSystem = TypesOfCoordinateSystem.Plane;
PointInPlane aStartingPoint = new PointInPlane(myFractalArea.MinX, myFractalArea.MaxY);
PointInPlane aEndingPoint = new PointInPlane(myFractalArea.MaxX, myFractalArea.MaxY);
const int aStartingIteration = 0;
const double aAngle = Math.PI / 3.0; // angle of -60 degrees - equilateral triangle
PointInPlane tempPointInPlane = RotateLine(aStartingPoint, aEndingPoint, aAngle);
CreateNewCurveAndAddItToCFV(aEndingPoint, aStartingPoint, fractalColorValuesIn, ref aCFValue, aStartingIteration);
CreateNewCurveAndAddItToCFV(aStartingPoint, tempPointInPlane, fractalColorValuesIn, ref aCFValue, aStartingIteration);
CreateNewCurveAndAddItToCFV(tempPointInPlane, aEndingPoint, fractalColorValuesIn, ref aCFValue, aStartingIteration);
aComputedFractalValues.AddComputedFractalValue(aCFValue);
return(aComputedFractalValues);
}
// recursive method - here are computed the squares of pythagoras tree
private void CreateSquare(PointInPlane[] rectanglePointsIn, IList <FractalColorValue> fractalColorValuesIn /*, SquareOrientation squareOrientationIn*/, ref ComputedFractalValues cfvIn, int currentIterationIn)
{
if (rectanglePointsIn.Length < 4)
{
throw new FractalObserverException("The input parameter rectanglePointsIn in Methode CreateSquare must have at least four values (for each vertex one) !");
}
ComputedFractalValue aCFValue = new ComputedFractalValue();
FractalColorValue aFractalColorValue = ReturnColor(currentIterationIn, fractalColorValuesIn);
aCFValue.ColorValue = aFractalColorValue;
aCFValue.TypeOfShape = TypesOfShape.Rectangle;
aCFValue.UsedTypeOfCoordinateSystem = TypesOfCoordinateSystem.Plane;
aCFValue.AddComputedPoint(rectanglePointsIn[0]);
aCFValue.AddComputedPoint(rectanglePointsIn[1]);
aCFValue.AddComputedPoint(rectanglePointsIn[2]);
aCFValue.AddComputedPoint(rectanglePointsIn[3]);
cfvIn.AddComputedFractalValue(aCFValue);
if (currentIterationIn < MaximumNumberOfIterations)
{
double aScalingCoefficient = 1.0 / Math.Sqrt(2.0);
double aRotationAngle = Math.PI / 4.0;
{ // right rectangle values computed
PointInPlane[] aNewRightRectangle = new PointInPlane[4];
PointInPlane aMovingVector = rectanglePointsIn[2] - rectanglePointsIn[1];
// scale to new rectangle
aNewRightRectangle[1] = rectanglePointsIn[1];
aNewRightRectangle[0] = PointInPlane.ScalePoint(rectanglePointsIn[1], rectanglePointsIn[0], aScalingCoefficient);
aNewRightRectangle[2] = PointInPlane.ScalePoint(rectanglePointsIn[1], rectanglePointsIn[2], aScalingCoefficient);
aNewRightRectangle[3] = PointInPlane.ScalePoint(rectanglePointsIn[1], rectanglePointsIn[3], aScalingCoefficient);
// rotate to new rectangle
aNewRightRectangle[0] = PointInPlane.RotatePoint(aNewRightRectangle[0], aNewRightRectangle[1], aRotationAngle);
aNewRightRectangle[1] = PointInPlane.RotatePoint(aNewRightRectangle[1], aNewRightRectangle[1], aRotationAngle);
aNewRightRectangle[2] = PointInPlane.RotatePoint(aNewRightRectangle[2], aNewRightRectangle[1], aRotationAngle);
aNewRightRectangle[3] = PointInPlane.RotatePoint(aNewRightRectangle[3], aNewRightRectangle[1], aRotationAngle);
// move to new rectangle position
aNewRightRectangle[0] = PointInPlane.MovePoint(aNewRightRectangle[0], aMovingVector);
aNewRightRectangle[1] = PointInPlane.MovePoint(aNewRightRectangle[1], aMovingVector);
aNewRightRectangle[2] = PointInPlane.MovePoint(aNewRightRectangle[2], aMovingVector);
aNewRightRectangle[3] = PointInPlane.MovePoint(aNewRightRectangle[3], aMovingVector);
CreateSquare(aNewRightRectangle, fractalColorValuesIn, ref cfvIn, currentIterationIn + 1);
}
{ // left rectangle values computed
aRotationAngle = -Math.PI / 4.0;
PointInPlane[] aNewLeftRectangle = new PointInPlane[4];
PointInPlane aMovingVector = rectanglePointsIn[3] - rectanglePointsIn[0];
// scale to new rectangle
aNewLeftRectangle[0] = rectanglePointsIn[0];
aNewLeftRectangle[1] = PointInPlane.ScalePoint(rectanglePointsIn[0], rectanglePointsIn[1], aScalingCoefficient);
aNewLeftRectangle[2] = PointInPlane.ScalePoint(rectanglePointsIn[0], rectanglePointsIn[2], aScalingCoefficient);
aNewLeftRectangle[3] = PointInPlane.ScalePoint(rectanglePointsIn[0], rectanglePointsIn[3], aScalingCoefficient);
// rotate to new rectangle
aNewLeftRectangle[0] = PointInPlane.RotatePoint(aNewLeftRectangle[0], aNewLeftRectangle[0], aRotationAngle);
aNewLeftRectangle[1] = PointInPlane.RotatePoint(aNewLeftRectangle[1], aNewLeftRectangle[0], aRotationAngle);
aNewLeftRectangle[2] = PointInPlane.RotatePoint(aNewLeftRectangle[2], aNewLeftRectangle[0], aRotationAngle);
aNewLeftRectangle[3] = PointInPlane.RotatePoint(aNewLeftRectangle[3], aNewLeftRectangle[0], aRotationAngle);
// move to new rectangle position
aNewLeftRectangle[0] = PointInPlane.MovePoint(aNewLeftRectangle[0], aMovingVector);
aNewLeftRectangle[1] = PointInPlane.MovePoint(aNewLeftRectangle[1], aMovingVector);
aNewLeftRectangle[2] = PointInPlane.MovePoint(aNewLeftRectangle[2], aMovingVector);
aNewLeftRectangle[3] = PointInPlane.MovePoint(aNewLeftRectangle[3], aMovingVector);
CreateSquare(aNewLeftRectangle, fractalColorValuesIn, ref cfvIn, currentIterationIn + 1);
}
}
}
public static FractalColorValue InterpolateColor(int valueIn, int minimumValueIn, int maximumValueIn, FractalColorValue color1In, FractalColorValue color2In)
{
FractalColorValue aInterpolatedColor;
aInterpolatedColor = InterpolateColor((double)valueIn, (double)minimumValueIn, (double)maximumValueIn, color1In, color2In);
return(aInterpolatedColor);
}
private FractalColorValue ReturnColor(IList <FractalColorValue> fractalColorValuesIn)
{
FractalColorValue aFractalColorValue = fractalColorValuesIn[1];
return(aFractalColorValue);
}