public ViewerEdge(ViewerQueryNode startNode, ViewerQueryNode endNode)
{
StartNodeID = startNode.ID;
EndNodeID = endNode.ID;
StartLocation = new Point(-1, -1);
EndLocation = new Point(-1, -1);
CaculateLine(startNode, endNode);
}
private void CaculateLine(ViewerQueryNode startNode, ViewerQueryNode endNode)
{
double radius = ViewerConfig.NodeRadius;
if (AnalyticGeometryService.PointDistance(startNode.Center, endNode.Center) < radius)
{
return;
}
if (endNode.OutLinkList.Contains(startNode.ID) == false)
{
//single link
SingleLink(startNode, endNode);
}
else
{
//double link
DoubleLink(startNode, endNode);
}
}
public ViewerResultNode(ViewerQueryNode vqn, long matchID)
: base(vqn)
{
m_MatchID = matchID;
}
private void DoubleLink(ViewerQueryNode startNode, ViewerQueryNode endNode)
{
Point startCenter = startNode.Center;
Point endCenter = endNode.Center;
double radius = ViewerConfig.NodeRadius;
int relativeX, relativeY;
relativeX = endCenter.X - startCenter.X;
relativeY = endCenter.Y - startCenter.Y;
double delta = radius / 3 * 2;
delta = 0;
if(relativeX >= 0 && relativeY < 0)
{
CoreCaluteEdge(startCenter.X + delta, startCenter.Y, endCenter.X + delta, endCenter.Y, startCenter, endCenter, radius);
}
else if (relativeX > 0 && relativeY >= 0)
{
if (relativeY == 0)
{
CoreCaluteEdge(startCenter.X, startCenter.Y + delta, endCenter.X, endCenter.Y + delta, startCenter, endCenter, radius);
}
else
{
CoreCaluteEdge(startCenter.X - delta, startCenter.Y, endCenter.X - delta, endCenter.Y, startCenter, endCenter, radius);
}
}
else if (relativeX <= 0 && relativeY > 0)
{
CoreCaluteEdge(startCenter.X - delta, startCenter.Y, endCenter.X - delta, endCenter.Y, startCenter, endCenter, radius);
}
else
{
if (relativeY == 0)
{
CoreCaluteEdge(startCenter.X, startCenter.Y - delta, endCenter.X, endCenter.Y - delta, startCenter, endCenter, radius);
}
else
{
CoreCaluteEdge(startCenter.X + delta, startCenter.Y, endCenter.X + delta, endCenter.Y, startCenter, endCenter, radius);
}
}
}
public ViewerQueryNode(ViewerQueryNode vqn)
{
m_ID = vqn.ID;
m_Center = vqn.Center;
m_Label = vqn.Label;
m_OutLinkList = new HashSet<int>(vqn.OutLinkList);
m_InLinkList = new HashSet<int>(vqn.InLinkList);
}
public bool AddNode(Point location)
{
if (NodeOverlap(location) == true)
{
return false;
}
m_IDIndex += 1;
ViewerQueryNode vqn = new ViewerQueryNode(m_IDIndex, location);
m_AllNodes.Add(m_IDIndex, vqn);
UpdateRegion();
return true;
}
private void SingleLink(ViewerQueryNode startNode, ViewerQueryNode endNode)
{
Point startCenter = startNode.Center;
Point endCenter = endNode.Center;
double radius = ViewerConfig.NodeRadius;
CoreCaluteEdge(startCenter.X, startCenter.Y, endCenter.X, endCenter.Y, startCenter, endCenter, radius);
}