public static SphereDataView Create(SphereData originalSphereData, Rect3D displayedDataBounds, double maxTime, Size locationBounds, double maxSize)
{
// First calculate normalized values (from 0 to 1)
double x = originalSphereData.Time / maxTime;
double y = originalSphereData.Location.Y / locationBounds.Height;
double z = originalSphereData.Location.X / locationBounds.Width;
// Set color of the sphere based on its y position
// We choose the color from the gradient defined in EnsureGradientColorsArray
EnsureGradientColorsArray();
int colorArrayIndex = (int)(y * _gradientColorsArray.Length);
Color color = _gradientColorsArray[colorArrayIndex];
// Now put normalized values into a 3D space that is defined by displayedDataBounds
x = (x * displayedDataBounds.SizeX) + displayedDataBounds.X;
y = (y * displayedDataBounds.SizeY) + displayedDataBounds.Y;
z = (z * displayedDataBounds.SizeZ) + displayedDataBounds.Z;
Point3D position3D = new Point3D(x, y, z);
// Use Size value to define the sphere radius in a range from 1 to 3
double sphereRadius = (originalSphereData.Size / maxSize) * 2 + 1;
// Now we have all the data to create the SphereDataView
var sphereDataView = new SphereDataView(originalSphereData, position3D, color, sphereRadius);
return(sphereDataView);
}
public SphereDataView(SphereData originalSphereData, Point3D position, Color color, double radius)
{
OriginalSphereData = originalSphereData;
Position = position;
Color = color;
Radius = radius;
ScreenPosition = new Point(double.NaN, double.NaN);
}
public List <SphereData> InitializeData()
{
// originalData will hold our original random data
var originalData = new List <SphereData>();
// Start in the middle
double x = _locationSize.Width / 2;
double y = _locationSize.Height / 2;
double randomizationFactor = 0.5; // How much can the data go up and down
// Add some random data
for (int i = 0; i < 20; i++)
{
// Get random offset
double dx = _locationSize.Width * randomizationFactor * (_rnd.NextDouble() - 0.5); //_rnd.NextDouble() * locationSize.Width * randomizationFactor - locationSize.Width * randomizationFactor * 0.5;
double dy = _locationSize.Height * randomizationFactor * (_rnd.NextDouble() - 0.5); // _rnd.NextDouble() * locationSize.Height * randomizationFactor - locationSize.Height * randomizationFactor * 0.5;
x += dx;
y += dy;
// Prevent going out of limits (0,0 ... locationSize)
if (x < 0)
{
x = -x;
}
else if (x > _locationSize.Width)
{
x = _locationSize.Width - 1 * (x - _locationSize.Width);
}
if (y < 0)
{
y = -y;
}
else if (y > _locationSize.Height)
{
y = _locationSize.Height - 1 * (y - _locationSize.Height);
}
double power = _rnd.NextDouble() * _maxSize;
var sphereData = new SphereData(i, new Point(x, y), power);
originalData.Add(sphereData);
//System.Diagnostics.Debug.WriteLine(string.Format(System.Globalization.CultureInfo.InvariantCulture, "originalData.Add(new SphereData({0}, new Point({1:0}, {2:0}), {3:0.00}));", i, x, y, power));
}
return(originalData);
}