Esempio n. 1
0
        /// <summary>
        /// Nodes the linework of a set of Geometrys using SnapRounding.
        /// </summary>
        /// <param name="geoms">A collection of Geometrys of any type</param>
        /// <returns>A list of LineStrings representing the noded linework of the input</returns>
        public IList <ILineString> Node(ICollection <IGeometry> geoms)
        {
            // get geometry factory
            foreach (var g in geoms)
            {
                _geomFact = g.Factory;
                break;
            }

            var segStrings = ToSegmentStrings(ExtractLines(geoms));
            //Noder sr = new SimpleSnapRounder(pm);
            INoder sr = new MCIndexSnapRounder(_pm);

            sr.ComputeNodes(segStrings);
            var nodedLines = sr.GetNodedSubstrings();

            //TODO: improve this to check for full snap-rounded correctness
            if (IsValidityChecked)
            {
                NodingValidator nv = new NodingValidator(nodedLines);
                nv.CheckValid();
            }

            return(ToLineStrings(nodedLines));
        }
Esempio n. 2
0
 /// <summary>
 /// 
 /// </summary>
 /// <param name="inputSegmentStrings"></param>
 private void CheckCorrectness(IList inputSegmentStrings)
 {
     IList resultSegStrings = SegmentString.GetNodedSubstrings(inputSegmentStrings);
     NodingValidator nv = new NodingValidator(resultSegStrings);
     try
     {
         nv.CheckValid();
     }
     catch (Exception ex) { Trace.WriteLine(ex.ToString()); }
 }
Esempio n. 3
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="inputSegmentStrings"></param>
        private void CheckCorrectness(IList inputSegmentStrings)
        {
            IList           resultSegStrings = SegmentString.GetNodedSubstrings(inputSegmentStrings);
            NodingValidator nv = new NodingValidator(resultSegStrings);

            try
            {
                nv.CheckValid();
            }
            catch (Exception ex) { Trace.WriteLine(ex.ToString()); }
        }
Esempio n. 4
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        private void CheckCorrectness(IList inputSegmentStrings)
        {
            IList resultSegStrings =
                SegmentString.GetNodedSubstrings(inputSegmentStrings);
            NodingValidator nv = new NodingValidator(resultSegStrings);

            try
            {
                nv.CheckValid();
            }
            catch (Exception ex)
            {
                ExceptionManager.Publish(ex);
            }
        }
Esempio n. 5
0
        /// <summary>
        /// Nodes the linework of a set of Geometrys using SnapRounding.
        /// </summary>
        /// <param name="geoms">A collection of Geometrys of any type</param>
        /// <returns>A list of LineStrings representing the noded linework of the input</returns>
        public ReadOnlyCollection <LineString> Node(IEnumerable <Geometry> geoms)
        {
            // get geometry factory
            // DEVIATION: JTS uses an "ExtractLines" helper, but by inlining it,
            // we can make the parameter any ol' IEnumerable<Geometry> without
            // iterating over it multiple times.
            var  lines = new List <Geometry>();
            var  lce   = new LinearComponentExtracter(lines);
            bool first = true;

            foreach (var g in geoms)
            {
                if (first)
                {
                    _geomFact = g.Factory;
                    first     = false;
                }

                g.Apply(lce);
            }

            var segStrings = ToSegmentStrings(lines);
            //Noder sr = new SimpleSnapRounder(pm);
            var sr = new MCIndexSnapRounder(_pm);

            sr.ComputeNodes(segStrings);
            var nodedLines = sr.GetNodedSubstrings();

            //TODO: improve this to check for full snap-rounded correctness
            if (IsValidityChecked)
            {
                var nv = new NodingValidator(nodedLines);
                nv.CheckValid();
            }

            return(ToLineStrings(nodedLines));
        }
Esempio n. 6
0
        /// <summary>
        /// Nodes the linework of a set of Geometrys using SnapRounding.
        /// </summary>
        /// <param name="geoms">A collection of Geometrys of any type</param>
        /// <returns>A list of LineStrings representing the noded linework of the input</returns>
        public IList<ILineString> Node(ICollection<IGeometry> geoms)
        {
            // get geometry factory
            foreach (var g in geoms)
            {
                _geomFact = g.Factory;
                break;
            }

            var segStrings = ToSegmentStrings(ExtractLines(geoms));
            //Noder sr = new SimpleSnapRounder(pm);
            INoder sr = new MCIndexSnapRounder(_pm);
            sr.ComputeNodes(segStrings);
            var nodedLines = sr.GetNodedSubstrings();

            //TODO: improve this to check for full snap-rounded correctness
            if (IsValidityChecked)
            {
                NodingValidator nv = new NodingValidator(nodedLines);
                nv.CheckValid();
            }

            return ToLineStrings(nodedLines);
        }
 /// <summary>
 ///
 /// </summary>
 /// <param name="edges"></param>
 public EdgeNodingValidator(IList edges)
 {
     nv = new NodingValidator(ToSegmentStrings(edges));
 }
 /// <summary>
 ///
 /// </summary>
 /// <param name="edges"></param>
 public EdgeNodingValidator(IEnumerable edges)
 {
     _nv = new NodingValidator(ToSegmentStrings(edges));
 }
        private static void PerformTest(ICoordinateSequence sequence)
        {
            if (sequence == null)
                throw new ArgumentNullException("sequence");

            Coordinate[] coordinates = sequence.ToCoordinateArray();
            NodedSegmentString segmentString = new NodedSegmentString(coordinates, null);
            Stopwatch watch = new Stopwatch();
            NodingValidator validator = new NodingValidator(new[] { segmentString });
            validator.CheckValid();
            watch.Start();
            validator.CheckValid();
            watch.Stop();
            Console.WriteLine("NodingValidator.CheckValid => ElapsedMilliseconds: {0}", watch.ElapsedMilliseconds);

            BasicSegmentString segmentStringBasic = new BasicSegmentString(coordinates, null);
            FastNodingValidator fastValidator = new FastNodingValidator(new[] { segmentStringBasic });
            watch.Reset(); watch.Start();
            fastValidator.CheckValid();
            watch.Stop();
            Console.WriteLine("FastNodingValidator.CheckValid => ElapsedMilliseconds: {0}", watch.ElapsedMilliseconds);
        }