/// <summary>
/// A basic strategy for finding split points when nothing extra is known about the geometry of
/// the situation.
/// </summary>
/// <param name="seg">the encroached segment</param>
/// <param name="encroachPt">the encroaching point</param>
/// <returns>the point at which to split the encroached segment</returns>
public Coordinate FindSplitPoint(Segment seg, Coordinate encroachPt)
{
var lineSeg = seg.LineSegment;
double segLen = lineSeg.Length;
double midPtLen = segLen / 2;
var splitSeg = new SplitSegment(lineSeg);
var projPt = ProjectedSplitPoint(seg, encroachPt);
/*
* Compute the largest diameter (length) that will produce a split segment which is not
* still encroached upon by the encroaching point (The length is reduced slightly by a
* safety factor)
*/
double nonEncroachDiam = projPt.Distance(encroachPt) * 2 * 0.8; // .99;
double maxSplitLen = nonEncroachDiam;
if (maxSplitLen > midPtLen)
{
maxSplitLen = midPtLen;
}
splitSeg.MinimumLength = maxSplitLen;
splitSeg.SplitAt(projPt);
return(splitSeg.SplitPoint);
}
/// <summary>
/// A basic strategy for finding split points when nothing extra is known about the geometry of
/// the situation.
/// </summary>
/// <param name="seg">the encroached segment</param>
/// <param name="encroachPt">the encroaching point</param>
/// <returns>the point at which to split the encroached segment</returns>
public Coordinate FindSplitPoint(Segment seg, Coordinate encroachPt)
{
var lineSeg = seg.LineSegment;
var segLen = lineSeg.Length;
var midPtLen = segLen / 2;
var splitSeg = new SplitSegment(lineSeg);
var projPt = ProjectedSplitPoint(seg, encroachPt);
/*
* Compute the largest diameter (length) that will produce a split segment which is not
* still encroached upon by the encroaching point (The length is reduced slightly by a
* safety factor)
*/
var nonEncroachDiam = projPt.Distance(encroachPt) * 2 * 0.8; // .99;
var maxSplitLen = nonEncroachDiam;
if (maxSplitLen > midPtLen) {
maxSplitLen = midPtLen;
}
splitSeg.MinimumLength = maxSplitLen;
splitSeg.SplitAt(projPt);
return splitSeg.SplitPoint;
}