/// <summary>
/// Try and find matching lines.
/// </summary>
/// <param name="lines"></param>
/// <param name="points"></param>
/// <returns></returns>
private MatchPosition FindMatch(ILocatedObjectIndex <PointF2D, Scene2D.ScenePoints> linesIndex, Dictionary <Scene2D.ScenePoints, Scene2DStylesSet> lines,
double[] x, double[] y, Scene2DStylesSet style, float epsilon, out Scene2D.ScenePoints found)
{
// build box.
var box = new BoxF2D(x, y);
box = box.ResizeWith(epsilon * 1.1);
// get all geometries in this box.
var potentialMatches = linesIndex.GetInside(box);
// find a match in the potential matches list.
PointF2D first = new PointF2D(x[0], y[0]);
PointF2D last = new PointF2D(x[x.Length - 1], y[y.Length - 1]);
MatchPosition position = MatchPosition.None;
found = null;
foreach (var line in potentialMatches)
{
// check first.
PointF2D potentialFirst = new PointF2D(line.X[0], line.Y[0]);
PointF2D potentialLast = new PointF2D(line.X[line.X.Length - 1], line.Y[line.Y.Length - 1]);
if (first.Distance(potentialFirst) < epsilon)
{
found = line;
position = MatchPosition.FirstFirst;
}
else if (last.Distance(potentialFirst) < epsilon)
{
found = line;
position = MatchPosition.LastFirst;
}
else if (first.Distance(potentialLast) < epsilon)
{
found = line;
position = MatchPosition.FirstLast;
}
else if (last.Distance(potentialLast) < epsilon)
{
found = line;
position = MatchPosition.LastLast;
}
Scene2DStylesSet styleValue;
if (position != MatchPosition.None && lines.TryGetValue(line, out styleValue) && styleValue.Equals(style))
{
break;
}
else
{
position = MatchPosition.None;
found = null;
}
}
return(position);
}
/// <summary>
/// Try and find matching lines.
/// </summary>
/// <param name="lines"></param>
/// <param name="points"></param>
/// <returns></returns>
private MatchPosition FindMatch(ILocatedObjectIndex<PointF2D, Scene2D.ScenePoints> linesIndex, Dictionary<Scene2D.ScenePoints, Scene2DStylesSet> lines,
double[] x, double[] y, Scene2DStylesSet style, float epsilon, out Scene2D.ScenePoints found)
{
// build box.
var box = new BoxF2D(x, y);
box = box.ResizeWith(epsilon * 1.1);
// get all geometries in this box.
var potentialMatches = linesIndex.GetInside(box);
// find a match in the potential matches list.
PointF2D first = new PointF2D(x[0], y[0]);
PointF2D last = new PointF2D(x[x.Length - 1], y[y.Length - 1]);
MatchPosition position = MatchPosition.None;
found = null;
foreach (var line in potentialMatches)
{
// check first.
PointF2D potentialFirst = new PointF2D(line.X[0], line.Y[0]);
PointF2D potentialLast = new PointF2D(line.X[line.X.Length - 1], line.Y[line.Y.Length - 1]);
if (first.Distance(potentialFirst) < epsilon)
{
found = line;
position = MatchPosition.FirstFirst;
}
else if (last.Distance(potentialFirst) < epsilon)
{
found = line;
position = MatchPosition.LastFirst;
}
else if (first.Distance(potentialLast) < epsilon)
{
found = line;
position = MatchPosition.FirstLast;
}
else if (last.Distance(potentialLast) < epsilon)
{
found = line;
position = MatchPosition.LastLast;
}
Scene2DStylesSet styleValue;
if (position != MatchPosition.None && lines.TryGetValue(line, out styleValue) && styleValue.Equals(style))
{
break;
}
else
{
position = MatchPosition.None;
found = null;
}
}
return position;
}