public static Dictionary <ObjectId, IList <Point3d> > FindDanglingLine(IList <ObjectId> objectIds)
{
var dictionary = new Dictionary <ObjectId, IList <Point3d> >();
//var points = new List<Point3d>();
var database = objectIds[0].Database;
using (var tr = database.TransactionManager.StartTransaction())
{
var reader = new DwgReader();
// var pmFixed3 = new PrecisionModel(3);
// 读入多边形数据
foreach (ObjectId objectId in objectIds)
{
if (!objectId.IsValid)
{
continue;
}
IGeometry geom = reader.ReadEntityAsGeometry(tr, objectId);
if (geom == null)
{
continue;
}
// 开始做Union
var nodedLineString = UnaryUnionOp.Union(geom);
var polygonizer = new Polygonizer();
polygonizer.Add(nodedLineString);
var polygons = polygonizer.GetPolygons();
// 悬挂线
var points = new List <Point3d>();
foreach (ILineString lineString in polygons)
{
foreach (var coordinate in lineString.Coordinates)
{
// 如果是NaN直接设定为0
if (double.IsNaN(coordinate.Z))
{
coordinate.Z = 0;
}
points.Add(new Point3d(coordinate.X, coordinate.Y, coordinate.Z));
}
}
if (points.Any())
{
dictionary.Add(objectId, points);
}
}
tr.Commit();
}
return(dictionary);
}
//public static IList<ObjectId> CheckValid(IList<ObjectId> objectIds)
//{
// var result = IsValid(objectIds);
// System.Diagnostics.Trace.WriteLine(result.Count);
// return result.Keys.ToList();
//}
public static Dictionary <ObjectId, SingleTopologyError> CheckValid(IList <ObjectId> objectIds)
{
var errorDictionary = new Dictionary <ObjectId, SingleTopologyError>();
if (!objectIds.Any())
{
return(errorDictionary);
}
var database = objectIds[0].Database;
var geometries = new List <IGeometry>();
using (var tr = database.TransactionManager.StartTransaction())
{
var reader = new DwgReader();
foreach (ObjectId objectId in objectIds)
{
if (!objectId.IsValid)
{
continue;
}
IGeometry geom = reader.ReadEntityAsGeometry(tr, objectId);
if (geom == null)
{
continue;
}
geometries.Add(geom);
if (!geom.IsValid)
{
var ivop = new IsValidOp(geom);
if (!ivop.IsValid)
{
Console.WriteLine(geom.AsText());
Console.Write(ivop.ValidationError);
int errorType = (int)ivop.ValidationError.ErrorType;
var point = new Point3d(ivop.ValidationError.Coordinate.X, ivop.ValidationError.Coordinate.Y, 0);
var error = new SingleTopologyError((SingleTopologyErrors)errorType, point);
errorDictionary.Add(objectId, error);
}
}
}
tr.Commit();
}
return(errorDictionary);
}
