private void BuildNet(WKSEnvelope verificationEnvelope,
WKSEnvelope tileEnvelope,
double tolerance)
{
var xElements = new List <NetElementXY>(_netCache.Count);
foreach (NetElement elem in _netCache)
{
var elemXY = new NetElementXY(elem, _queryPnt);
xElements.Add(elemXY);
}
SortElements(xElements, tolerance,
neigbors => AddElements(neigbors, verificationEnvelope, tileEnvelope));
}
private bool HandleInCurrentTile([NotNull] NetElementXY netElem,
WKSEnvelope verificationEnvelope,
WKSEnvelope tileEnvelope)
{
double x = netElem.X;
double y = netElem.Y;
if (Math.Abs(verificationEnvelope.XMin - tileEnvelope.XMin) < double.Epsilon)
{
if (_includeBorderNodes == false &&
x < verificationEnvelope.XMin)
{
return(false);
}
}
else if (x <= tileEnvelope.XMin)
{
// the point was handled in a previous tile
return(false);
}
if (Math.Abs(tileEnvelope.XMax - verificationEnvelope.XMax) < double.Epsilon)
{
if (_includeBorderNodes == false &&
x > verificationEnvelope.XMax)
{
return(false);
}
}
else if (x > tileEnvelope.XMax)
{
// the point will be handled in a following tile
return(false);
}
if (Math.Abs(verificationEnvelope.YMin - tileEnvelope.YMin) < double.Epsilon)
{
if (_includeBorderNodes == false &&
y < verificationEnvelope.YMin)
{
return(false);
}
}
else if (y <= tileEnvelope.YMin)
{
// the point was handled in a previous tile
return(false);
}
if (Math.Abs(tileEnvelope.YMax - verificationEnvelope.YMax) < double.Epsilon)
{
if (_includeBorderNodes == false &&
y > verificationEnvelope.YMax)
{
return(false);
}
}
else if (y > tileEnvelope.YMax)
{
// the point will be handled in a following tile
return(false);
}
return(true);
}