public Polygon ImportPolygon(ISOPolygon isoPolygon)
{
Polygon polygon = new Polygon();
LineStringMapper lsgMapper = new LineStringMapper(TaskDataMapper);
ISOLineString exterior = isoPolygon.LineStrings.FirstOrDefault(l => l.LineStringType == ISOLineStringType.PolygonExterior);
if (exterior != null)
{
polygon.ExteriorRing = lsgMapper.ImportLinearRing(exterior);
}
polygon.InteriorRings = new List <LinearRing>();
polygon.InteriorRings.AddRange(lsgMapper.ImportLinearRings(isoPolygon.LineStrings.Where(l => l.LineStringType == ISOLineStringType.PolygonInterior)));
return(polygon);
}
/// <summary>
/// Returns an ADAPT Polygon for ISOPolygons defined with Exterior/Interior rings. Null otherwise
/// </summary>
/// <param name="isoPolygon"></param>
/// <returns></returns>
public Polygon ImportBoundaryPolygon(ISOPolygon isoPolygon)
{
if (IsFieldAttributeType(isoPolygon))
{
//Polygon is defined as an area of interest and not a PFD/TZN boundary, etc.
return(null);
}
ISOLineString exteriorRing = isoPolygon.LineStrings.FirstOrDefault(l => l.LineStringType == ISOLineStringType.PolygonExterior);
IEnumerable <ISOLineString> interiorRings = isoPolygon.LineStrings.Where(l => l.LineStringType == ISOLineStringType.PolygonInterior);
if (exteriorRing != null || interiorRings.Any())
{
Polygon polygon = new Polygon();
LineStringMapper lsgMapper = new LineStringMapper(TaskDataMapper);
if (exteriorRing != null)
{
polygon.ExteriorRing = lsgMapper.ImportLinearRing(exteriorRing);
}
polygon.InteriorRings = lsgMapper.ImportLinearRings(interiorRings).ToList();
return(polygon);
}
return(null);
}
/// <summary>
/// Returns an ADAPT Polygon for ISOPolygons defined with Exterior/Interior rings. Null otherwise
/// </summary>
/// <param name="isoPolygon"></param>
/// <returns></returns>
public IEnumerable <Polygon> ImportBoundaryPolygon(ISOPolygon isoPolygon, bool isVersion3Multipolygon)
{
if (IsFieldAttributeType(isoPolygon))
{
//Polygon is defined as an area of interest and not a PFD/TZN boundary, etc.
return(null);
}
LineStringMapper lsgMapper = new LineStringMapper(TaskDataMapper);
List <Polygon> output = new List <Polygon>();
if (isVersion3Multipolygon)
{
//Version 3 only allowed one polygon for the boundary with multiple external linestrings acting as individual polygons
foreach (ISOLineString ls in isoPolygon.LineStrings)
{
if (ls.LineStringType == ISOLineStringType.PolygonExterior)
{
Polygon polygon = new Polygon {
ExteriorRing = lsgMapper.ImportLinearRing(ls)
};
if (isoPolygon.PolygonDesignator != null)
{
polygon.ContextItems.Add(new ContextItem()
{
Code = "Pr_ISOXML_Attribute_Designator", Value = isoPolygon.PolygonDesignator
});
}
output.Add(polygon);
}
else if (ls.LineStringType == ISOLineStringType.PolygonInterior)
{
//We will interpret any interior linestrings as belonging to the preceeding external linestring
output.Last().InteriorRings.Add(lsgMapper.ImportLinearRing(ls));
}
}
}
else
{
//Normal Polygon behavior with only one possible exterior ring.
ISOLineString exteriorRing = isoPolygon.LineStrings.FirstOrDefault(l => l.LineStringType == ISOLineStringType.PolygonExterior);
IEnumerable <ISOLineString> interiorRings = isoPolygon.LineStrings.Where(l => l.LineStringType == ISOLineStringType.PolygonInterior);
if (exteriorRing != null || interiorRings.Any())
{
Polygon polygon = new Polygon();
if (exteriorRing != null)
{
polygon.ExteriorRing = lsgMapper.ImportLinearRing(exteriorRing);
}
polygon.InteriorRings = lsgMapper.ImportLinearRings(interiorRings).ToList();
if (isoPolygon.PolygonDesignator != null)
{
polygon.ContextItems.Add(new ContextItem()
{
Code = "Pr_ISOXML_Attribute_Designator", Value = isoPolygon.PolygonDesignator
});
}
output.Add(polygon);
}
}
return(output);
}