/// <summary>
/// Get Segment And Angle on which point is placed
/// </summary>
/// <param name="m_gtPolylineGeometry"></param>
/// <param name="gtPoint"></param>
/// <returns></returns>
protected IGTGeometry GetSegmentAndAngle(IGTGeometry m_gtPolylineGeometry, IGTPoint gtPoint)
{
bool flag = false;
IGTGeometry m_gtPolylineGeometrySegment = GTClassFactory.Create <IGTGeometry>();
IGTSegment m_gtSegment = GTClassFactory.Create <IGTSegment>();
IGTPoint m_gtsnapPoint = GetSnapPoint(m_gtPolylineGeometry, gtPoint);
try
{
if (m_gtPolylineGeometry.Type == "CompositePolylineGeometry")
{
//get the segment
for (int i = 0; i < m_gtPolylineGeometry.KeypointCount - 1; i++)
{
m_gtSegment.Begin = m_gtPolylineGeometry.GetKeypointPosition(i);
m_gtSegment.End = m_gtPolylineGeometry.GetKeypointPosition(i + 1);
if (m_gtsnapPoint.IsOn(m_gtSegment))
{
flag = true;
break;
}
}
if (flag)
{
m_gtPolylineGeometrySegment = m_gtPolylineGeometry.ExtractGeometry(m_gtSegment.Point1, m_gtSegment.Point2, false);
}
}
return(m_gtPolylineGeometrySegment);
}
catch
{
throw;
}
}
/// <summary>
/// Get Point And Angle
/// </summary>
/// <param name="m_gtPolylineGeom"></param>
/// <param name="m_gtPoint">Related Virtual point</param>
/// <returns></returns>
protected IGTPoint GetPointAndAngle(IGTGeometry m_gtPolylineGeom, IGTPoint m_gtPoint)
{
bool flag = false;
IGTPoint m_gtProjectedPoint = null;
//Get snappoint if the point feature is not snapped to the linear
IGTPoint m_gtsnapPoint = GetSnapPoint(m_gtPolylineGeom, m_gtPoint);
try
{
//Check if the geometry is linear
if ((m_gtPolylineGeom.Type == "CompositePolylineGeometry") || (m_gtPolylineGeom.Type == "PolylineGeometry"))
{
IGTSegment m_segment = GTClassFactory.Create <IGTSegment>();
//get the segment
for (int i = 0; i < m_gtPolylineGeom.KeypointCount - 1; i++)
{
m_segment.Begin = m_gtPolylineGeom.GetKeypointPosition(i);
m_segment.End = m_gtPolylineGeom.GetKeypointPosition(i + 1);
if (m_gtsnapPoint.IsOn(m_segment))
{
flag = true;
ang = AngleBetweenTwoPoints(m_segment.Begin, m_segment.End);
break;
}
else
{
// m_gtProjectedPoint = m_gtsnapPoint;
}
}
if (flag)
{
m_gtProjectedPoint = m_segment.ProjectPointAtAngle(m_segment.Begin, m_gtsnapPoint, ang);
}
}
return(m_gtProjectedPoint);
}
catch
{
throw;
}
}
