/// <summary>
/// Returns an ADAPT Polygon for ISOPolygons describing field points of interest. Null otherwise
/// </summary>
/// <param name="isoPolygon"></param>
/// <returns></returns>
public AttributeShape ImportAttributePolygon(ISOPolygon isoPolygon)
{
Polygon boundaryPolygon = ImportBoundaryPolygon(isoPolygon, false)?.FirstOrDefault();
if (boundaryPolygon != null && IsFieldAttributeType(isoPolygon))
{
//The data has defined an explicit PLN type that maps to an attribute type
return(new AttributeShape()
{
Shape = boundaryPolygon,
TypeName = Enum.GetName(typeof(ISOPolygonType), isoPolygon.PolygonType),
Name = isoPolygon.PolygonDesignator
});
}
else if (isoPolygon.LineStrings.Count == 1)
{
//If no linestrings defined as interior/exterior, we expect only 1 linestring
ISOLineString attributeLsg = isoPolygon.LineStrings.FirstOrDefault(ls => LineStringMapper.IsFieldAttributeType(ls));
if (attributeLsg != null)
{
LineStringMapper lsgMapper = new LineStringMapper(TaskDataMapper);
Polygon polygon = new Polygon()
{
ExteriorRing = lsgMapper.ImportLinearRing(attributeLsg)
};
return(new AttributeShape()
{
Shape = polygon,
TypeName = Enum.GetName(typeof(ISOPolygonType), isoPolygon.PolygonType),
Name = isoPolygon.PolygonDesignator
});
}
}
return(null); //This polygon does not map to an InteriorBoundaryAttribute.
}
//Version 3 defines a multipolygon by a single PLN with multiple exterior linestrings and interior rings in order below their exterior
private ISOPolygon ExportVersion3Polygon(List <Polygon> adaptPolygons, ISOPolygonType polygonType)
{
ISOPolygon isoPolygon = new ISOPolygon(TaskDataMapper.Version);
if ((int)polygonType < 9)
{
isoPolygon.PolygonType = polygonType;
}
else
{
isoPolygon.PolygonType = ISOPolygonType.Other; //Version 3 stops at 8/Other
}
isoPolygon.PolygonDesignator = adaptPolygons.First().Id.ToString();
LineStringMapper lsgMapper = new LineStringMapper(TaskDataMapper);
isoPolygon.LineStrings = new List <ISOLineString>();
foreach (Polygon adaptPolygon in adaptPolygons)
{
if (adaptPolygon.ExteriorRing != null)
{
isoPolygon.LineStrings.Add(lsgMapper.ExportLinearRing(adaptPolygon.ExteriorRing, ISOLineStringType.PolygonExterior));
}
if (adaptPolygon.InteriorRings != null)
{
foreach (LinearRing interiorRing in adaptPolygon.InteriorRings)
{
isoPolygon.LineStrings.Add(lsgMapper.ExportLinearRing(interiorRing, ISOLineStringType.PolygonInterior));
}
}
}
return(isoPolygon);
}
internal static bool IsFieldAttributeType(ISOPolygon isoPolygon)
{
return(isoPolygon.PolygonType == ISOPolygonType.BufferZone ||
isoPolygon.PolygonType == ISOPolygonType.Building ||
isoPolygon.PolygonType == ISOPolygonType.Flag ||
isoPolygon.PolygonType == ISOPolygonType.Obstacle ||
isoPolygon.PolygonType == ISOPolygonType.Road ||
isoPolygon.PolygonType == ISOPolygonType.WaterSurface ||
isoPolygon.PolygonType == ISOPolygonType.Windbreak);
}
public IEnumerable <ISOPolygon> ExportPolygons(IEnumerable <Polygon> adaptPolygons, ISOPolygonType polygonType)
{
List <ISOPolygon> polygons = new List <ISOPolygon>();
foreach (Polygon polygon in adaptPolygons)
{
ISOPolygon ISOPolygon = ExportPolygon(polygon, polygonType);
polygons.Add(ISOPolygon);
}
return(polygons);
}
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);
}
public ISOPolygon ExportPolygon(Polygon adaptPolygon, ISOPolygonType polygonType)
{
ISOPolygon ISOPolygon = new ISOPolygon();
ISOPolygon.PolygonType = polygonType;
ISOPolygon.PolygonDesignator = adaptPolygon.Id.ToString();
LineStringMapper lsgMapper = new LineStringMapper(TaskDataMapper);
ISOPolygon.LineStrings = new List <ISOLineString>();
ISOPolygon.LineStrings.Add(lsgMapper.ExportLinearRing(adaptPolygon.ExteriorRing, ISOLineStringType.PolygonExterior));
foreach (LinearRing interiorRing in adaptPolygon.InteriorRings)
{
ISOPolygon.LineStrings.Add(lsgMapper.ExportLinearRing(interiorRing, ISOLineStringType.PolygonInterior));
}
return(ISOPolygon);
}
public IEnumerable <ISOPolygon> ExportMultipolygon(MultiPolygon adaptMultiPolygon, ISOPolygonType polygonType)
{
List <ISOPolygon> polygons = new List <ISOPolygon>();
if (TaskDataMapper.Version > 3)
{
//Version 4 supports multiple polygons to define a spatial entity
foreach (Polygon polygon in adaptMultiPolygon.Polygons)
{
ISOPolygon ISOPolygon = ExportPolygon(polygon, polygonType);
polygons.Add(ISOPolygon);
}
}
else
{
//Version 3
if (adaptMultiPolygon != null && adaptMultiPolygon.Polygons.Any())
{
ISOPolygon polygon = ExportVersion3Polygon(adaptMultiPolygon.Polygons, polygonType);
polygons.Add(polygon);
}
}
return(polygons);
}
/// <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);
}
