public static RoadSegmentBoundingBox From(PolyLineM shape) => new RoadSegmentBoundingBox
{
MinimumX = GeometryTranslator.ToGeometryMultiLineString(shape).EnvelopeInternal.MinX,
MinimumY = GeometryTranslator.ToGeometryMultiLineString(shape).EnvelopeInternal.MinY,
MaximumX = GeometryTranslator.ToGeometryMultiLineString(shape).EnvelopeInternal.MaxX,
MaximumY = GeometryTranslator.ToGeometryMultiLineString(shape).EnvelopeInternal.MaxY,
MinimumM = GeometryTranslator.ToGeometryMultiLineString(shape).GetOrdinates(Ordinate.M).DefaultIfEmpty(double.NegativeInfinity).Min(),
MaximumM = GeometryTranslator.ToGeometryMultiLineString(shape).GetOrdinates(Ordinate.M).DefaultIfEmpty(double.PositiveInfinity).Max()
};
private void _read()
{
_shapeType = ((ShapefileMain.ShapeType)m_io.ReadS4le());
if (ShapeType != ShapefileMain.ShapeType.NullShape)
{
switch (ShapeType)
{
case ShapefileMain.ShapeType.PointM: {
_shapeParameters = new PointM(m_io, this, m_root);
break;
}
case ShapefileMain.ShapeType.PolygonZ: {
_shapeParameters = new PolygonZ(m_io, this, m_root);
break;
}
case ShapefileMain.ShapeType.MultiPointM: {
_shapeParameters = new MultiPointM(m_io, this, m_root);
break;
}
case ShapefileMain.ShapeType.PolyLineZ: {
_shapeParameters = new PolyLineZ(m_io, this, m_root);
break;
}
case ShapefileMain.ShapeType.MultiPointZ: {
_shapeParameters = new MultiPointZ(m_io, this, m_root);
break;
}
case ShapefileMain.ShapeType.MultiPoint: {
_shapeParameters = new MultiPoint(m_io, this, m_root);
break;
}
case ShapefileMain.ShapeType.PolygonM: {
_shapeParameters = new PolygonM(m_io, this, m_root);
break;
}
case ShapefileMain.ShapeType.Polygon: {
_shapeParameters = new Polygon(m_io, this, m_root);
break;
}
case ShapefileMain.ShapeType.Point: {
_shapeParameters = new Point(m_io, this, m_root);
break;
}
case ShapefileMain.ShapeType.PolyLineM: {
_shapeParameters = new PolyLineM(m_io, this, m_root);
break;
}
case ShapefileMain.ShapeType.PolyLine: {
_shapeParameters = new PolyLine(m_io, this, m_root);
break;
}
case ShapefileMain.ShapeType.PointZ: {
_shapeParameters = new PointZ(m_io, this, m_root);
break;
}
case ShapefileMain.ShapeType.MultiPatch: {
_shapeParameters = new MultiPatch(m_io, this, m_root);
break;
}
}
}
}
public static NetTopologySuite.Geometries.MultiLineString ToGeometryMultiLineString(PolyLineM polyLineM)
{
if (polyLineM == null)
{
throw new ArgumentNullException(nameof(polyLineM));
}
var coordinates = Array.ConvertAll(polyLineM.Points, point => new NetTopologySuite.Geometries.Coordinate(point.X, point.Y));
if (polyLineM.Measures != null)
{
for (var measureIndex = 0; measureIndex < polyLineM.Measures.Length; measureIndex++)
{
coordinates[measureIndex] = new NetTopologySuite.Geometries.CoordinateM(coordinates[measureIndex].X, coordinates[measureIndex].Y, polyLineM.Measures[measureIndex]);
}
}
var lines = new NetTopologySuite.Geometries.LineString[polyLineM.NumberOfParts];
var toCoordinateIndex = coordinates.Length;
for (var partIndex = polyLineM.NumberOfParts - 1; partIndex >= 0; partIndex--)
{
var fromCoordinateIndex = polyLineM.Parts[partIndex];
lines[partIndex] = new NetTopologySuite.Geometries.LineString(
GeometryConfiguration.GeometryFactory.CoordinateSequenceFactory.Create(
new ArraySegment <NetTopologySuite.Geometries.Coordinate>(
coordinates,
fromCoordinateIndex,
toCoordinateIndex - fromCoordinateIndex).ToArray()
),
GeometryConfiguration.GeometryFactory);
toCoordinateIndex = fromCoordinateIndex;
}
return(new NetTopologySuite.Geometries.MultiLineString(lines));
}
