/// <summary>
/// Obtains line geometry that isn't an instance of <see cref="SectionGeometry"/>
/// </summary>
/// <param name="geom">The geometry that could be a section</param>
/// <returns>Concrete (unsectioned) geometry that corresponds to <paramref name="geom"/></returns>
private UnsectionedLineGeometry GetUnsectionedLineGeometry(LineGeometry geom)
{
if (geom is UnsectionedLineGeometry)
{
return(geom as UnsectionedLineGeometry);
}
if (geom is SectionGeometry)
{
return((geom as SectionGeometry).Make());
}
throw new NotImplementedException("Unexpected line geometry: " + geom.GetType().Name);
}
IRing GetRing(Ring r)
{
CurveSegmentCollection csc = new CurveSegmentCollection();
foreach (IDivider d in r.Edge)
{
LineGeometry line = d.LineGeometry;
ICurveSegmentAbstract cseg = null;
if (line is SectionGeometry)
{
SectionGeometry section = (line as SectionGeometry);
line = section.Make();
}
if (line is MultiSegmentGeometry)
{
MultiSegmentGeometry mseg = (line as MultiSegmentGeometry);
DirectPositionCollection dpc = GetDirectPositions(mseg.Data);
cseg = m_Factory.CreateLineStringSegment(dpc);
}
else if (line is SegmentGeometry)
{
SegmentGeometry segment = (line as SegmentGeometry);
DirectPositionCollection dpc = GetDirectPositions(new IPosition[] { segment.Start, segment.End });
cseg = m_Factory.CreateLineStringSegment(dpc);
}
else if (line is ArcGeometry)
{
ArcGeometry arc = (line as ArcGeometry);
IPosition mp = arc.GetMidPosition();
IDirectPosition bc = m_Factory.CreatePositionXY(arc.BC.X, arc.BC.Y);
IDirectPosition mid = m_Factory.CreatePositionXY(mp.X, mp.Y);
IDirectPosition ec = m_Factory.CreatePositionXY(arc.EC.X, arc.EC.Y);
cseg = m_Factory.CreateCircularArcSegment(bc, mid, ec);
}
else
{
throw new NotSupportedException("Unknown line type: " + line.GetType().Name);
}
csc.Add(cseg);
}
return(m_Factory.CreateRing(csc));
}
/// <summary>
/// Obtains line geometry that isn't an instance of <see cref="SectionGeometry"/>
/// </summary>
/// <param name="geom">The geometry that could be a section</param>
/// <returns>Concrete (unsectioned) geometry that corresponds to <paramref name="geom"/></returns>
private UnsectionedLineGeometry GetUnsectionedLineGeometry(LineGeometry geom)
{
if (geom is UnsectionedLineGeometry)
return (geom as UnsectionedLineGeometry);
if (geom is SectionGeometry)
return (geom as SectionGeometry).Make();
throw new NotImplementedException("Unexpected line geometry: "+geom.GetType().Name);
}
void WriteLineGeometry(LineGeometry geom)
{
if (geom is SegmentGeometry)
{
WriteSegment((SegmentGeometry)geom);
}
else if (geom is ArcGeometry)
{
WriteArc((ArcGeometry)geom);
}
else if (geom is MultiSegmentGeometry)
{
WriteMultiSegment((MultiSegmentGeometry)geom);
}
else if (geom is SectionGeometry)
{
WriteSection((SectionGeometry)geom);
}
else
{
throw new NotImplementedException("Unexpected line geometry type: " + geom.GetType().Name);
}
}
void WriteLineGeometry(LineGeometry geom)
{
if (geom is SegmentGeometry)
WriteSegment((SegmentGeometry)geom);
else if (geom is ArcGeometry)
WriteArc((ArcGeometry)geom);
else if (geom is MultiSegmentGeometry)
WriteMultiSegment((MultiSegmentGeometry)geom);
else if (geom is SectionGeometry)
WriteSection((SectionGeometry)geom);
else
throw new NotImplementedException("Unexpected line geometry type: " + geom.GetType().Name);
}
