private static IList<ISegmentString> ExtractSegmentStrings(IEnumerable<IGeometry> geoms)
{
var segStrings = new List<ISegmentString>();
var filter = new GeometryComponentFilter(
g => { if (g is ILineString) segStrings.Add(new NodedSegmentString(g.Coordinates, g)); });
foreach (var geom in geoms)
geom.Apply(filter);
return segStrings;
}
static IList<ISegmentString> ExtractTaggedSegmentStrings(IGeometry geom, IPrecisionModel pm)
{
var segStrings = new List<ISegmentString>();
var filter = new GeometryComponentFilter(
delegate (IGeometry fgeom)
{
// Extract linework for lineal components only
if (!(fgeom is ILineString)) return;
// skip empty lines
if (geom.NumPoints <= 0) return;
var roundPts = Round(((ILineString)geom).CoordinateSequence, pm);
segStrings.Add(new NodedSegmentString(roundPts, geom));
});
geom.Apply(filter);
return segStrings;
}
