private double CalculateYOffset(ISingleDepthNodeRenderer nodeRenderer)
{
double yOffset = nodeRenderer.NodeIndex * NodeSpacing; // Find the distance from the origin.
double diameter = Radius * 2;
if (yOffset > diameter)
{
yOffset = (2 * diameter) - yOffset; // If the distance from the origin is great then the diameter, then the circle of nodes is coming back around. This is a simplification of (diameter - (distanceFromOrigin - diameter)).
}
return yOffset;
}
private double CalculateYOffset(ISingleDepthNodeRenderer nodeRenderer)
{
double yOffset = nodeRenderer.NodeIndex * NodeSpacing; // Find the distance from the origin.
double diameter = Radius * 2;
if (yOffset > diameter)
{
yOffset = (2 * diameter) - yOffset; // If the distance from the origin is great then the diameter, then the circle of nodes is coming back around. This is a simplification of (diameter - (distanceFromOrigin - diameter)).
}
return(yOffset);
}
public Point GetLocation(ISingleDepthNodeRenderer nodeRenderer)
{
double xOffset = CalculateXOffset(nodeRenderer);
double yOffset = CalculateYOffset(nodeRenderer);
xOffset -= nodeRenderer.Skin.NodeSkinWidth / 2; // Centre the node image.
yOffset -= nodeRenderer.Skin.NodeSkinHeight / 2; // Centre the node image.
Point nodeLocation = new Point();
nodeLocation.X = OriginX + xOffset;
nodeLocation.Y = OriginY + yOffset;
return(nodeLocation);
}
/// <summary>
/// Method represents the calculation sqrt(R^2 - (R - y)^2) where R is the radius and y is the 'DistanceFromOrigin'.
/// </summary>
/// <param name="nodeRenderer"></param>
/// <returns></returns>
private double CalculateXOffset(ISingleDepthNodeRenderer nodeRenderer)
{
double distanceFromOrigin = CalculateYOffset(nodeRenderer);
double ySquared = Radius - distanceFromOrigin; // (R - y)
ySquared = ySquared * ySquared; // (R - y) ^ 2
double rSquared = Radius * Radius; // R ^ 2
double xSquared = rSquared - ySquared; // R^2 - (R - y)^2
double xOffset = Math.Sqrt(xSquared);
if (nodeRenderer.NodeIndex > (nodeRenderer.NodeCount / 2))
{
xOffset = -1 * xOffset;
}
return(xOffset);
}
/// <summary>
/// Method represents the calculation sqrt(R^2 - (R - y)^2) where R is the radius and y is the 'DistanceFromOrigin'.
/// </summary>
/// <param name="nodeRenderer"></param>
/// <returns></returns>
private double CalculateXOffset(ISingleDepthNodeRenderer nodeRenderer)
{
double distanceFromOrigin = CalculateYOffset(nodeRenderer);
double ySquared = Radius - distanceFromOrigin; // (R - y)
ySquared = ySquared * ySquared; // (R - y) ^ 2
double rSquared = Radius * Radius; // R ^ 2
double xSquared = rSquared - ySquared; // R^2 - (R - y)^2
double xOffset = Math.Sqrt(xSquared);
if (nodeRenderer.NodeIndex > (nodeRenderer.NodeCount / 2))
{
xOffset = -1 * xOffset;
}
return xOffset;
}
public Point GetLocation(ISingleDepthNodeRenderer nodeRenderer)
{
double xOffset = CalculateXOffset(nodeRenderer);
double yOffset = CalculateYOffset(nodeRenderer);
xOffset -= nodeRenderer.Skin.NodeSkinWidth / 2; // Centre the node image.
yOffset -= nodeRenderer.Skin.NodeSkinHeight / 2; // Centre the node image.
Point nodeLocation = new Point();
nodeLocation.X = OriginX + xOffset;
nodeLocation.Y = OriginY + yOffset;
return nodeLocation;
}
