C# FeatureType类代码示例

        /// <summary>
        /// This create new method implies that this provider has the priority for creating a new file.
        /// An instance of the dataset should be created and then returned.  By this time, the fileName
        /// will already be checked to see if it exists, and deleted if the user wants to overwrite it.
        /// </summary>
        /// <param name="fileName">The string fileName for the new instance</param>
        /// <param name="featureType">Point, Line, Polygon etc.  Sometimes this will be specified, sometimes it will be "Unspecified"</param>
        /// <param name="inRam">Boolean, true if the dataset should attempt to store data entirely in ram</param>
        /// <param name="progressHandler">An IProgressHandler for status messages.</param>
        /// <returns>An IRaster</returns>
        public virtual IFeatureSet CreateNew(string fileName, FeatureType featureType, bool inRam, IProgressHandler progressHandler)
        {
            if (featureType == FeatureType.Point)
            {
                PointShapefile ps = new PointShapefile();
                ps.Filename = fileName;
                return ps;
            }
            else if (featureType == FeatureType.Line)
            {
                LineShapefile ls = new LineShapefile();
                ls.Filename = fileName;
                return ls;
            }
            else if (featureType == FeatureType.Polygon)
            {
                PolygonShapefile ps = new PolygonShapefile();
                ps.Filename = fileName;
                return ps;
            }
            else if (featureType == FeatureType.MultiPoint)
            {
                MultiPointShapefile mps = new MultiPointShapefile();
                mps.Filename = fileName;
                return mps;
            }

            return null;
        }

 public EnableFeatureInfoRec GetFeatureInfo(DBManager dbManager, FeatureType type, string subType)
 {
     using (IDBProvider dbInstance = SP.DB.GetInstance(dbManager))
     {
         return dbInstance._<EnableFeatureAccessor>().SelectInfoByType(GetFeatureTypeKey(type, subType));
     }
 }

        public string GetLinkColor(FeatureType featureType)
        {
            DgmlColorConfiguration dgmlColor = new DgmlColorConfiguration();
            string color = string.Empty;
            switch (featureType)
            {
                case FeatureType.Feature:
                case FeatureType.NeededFeature:
                    color = dgmlColor.FeatureColor;
                    break;
                case FeatureType.NeededExtensions:
                    color = dgmlColor.NeededExtensionsColor;
                    break;
                case FeatureType.Module:
                    color = dgmlColor.ModuleColor;
                    break;
                case FeatureType.BindingInterface:
                    color = dgmlColor.BindingInterfaceColor;
                    break;
                case FeatureType.BindingImpl:
                    color = dgmlColor.BindingImplColor;
                    break;
            }

            return color;
        }

 public Feature(string name, FeatureType featureType)
 {
     Name = name;
     FType = featureType;
     MinRound = Rounds.PREFLOP;
     MaxRound = Rounds.RIVER;
 }

  public DataTable GetFeatures(FeatureType featureType, IGeometry spatialConstraint)
  {
    DataTable table = null;

    string layerId = featureType == FeatureType.Selection ? _appState.SelectionLayer : _appState.TargetLayer;

    if (layerId.Length > 0)
    {
      Configuration config = AppContext.GetConfiguration();
      Configuration.LayerRow layerRow = config.Layer.FindByLayerID(layerId);

      CommonDataFrame dataFrame = AppContext.GetDataFrame(_appState.MapTab);
      CommonLayer layer = dataFrame.Layers.FirstOrDefault(lyr => String.Compare(lyr.Name, layerRow.LayerName, true) == 0);

      string query = GetQuery(featureType, layerRow, layer);

      if (query != null)
      {
        CommonField keyField = layer.FindField(layerRow.KeyField);

        if (spatialConstraint == null)
        {
          table = layer.GetFeatureTable(String.Format("{0},{1}", layer.GeometryField.Name, keyField.Name), query);
        }
        else
        {
          table = layer.GetFeatureTable(String.Format("{0},{1}", layer.GeometryField.Name, keyField.Name), query, spatialConstraint);
        }
      }
    }

    return table;
  }

  public Envelope GetExtent(FeatureType featureType)
  {
    Envelope extent = new Envelope();

    string layerId = featureType == FeatureType.Selection ? _appState.SelectionLayer : _appState.TargetLayer;

    Configuration config = AppContext.GetConfiguration();
    Configuration.LayerRow layerRow = config.Layer.FindByLayerID(layerId);

    CommonDataFrame dataFrame = AppContext.GetDataFrame(_appState.MapTab);
    CommonLayer layer = dataFrame.Layers.FirstOrDefault(lyr => String.Compare(lyr.Name, layerRow.LayerName, true) == 0);

    string query = GetQuery(featureType, layerRow, layer);

    if (query != null)
    {
      extent = layer.GetFeatureExtent(query);
    }

    if (!extent.IsNull && extent.Width == 0 && extent.Height == 0)
    {
      extent = new Envelope(new Coordinate(extent.MinX - 50, extent.MinY - 50), new Coordinate(extent.MaxX + 50, extent.MaxY + 50));
    }

    return extent;
  }

 public EnergyEventStatus(DeviceBase device, FeatureType featureType, uint featureId, int frequency, ObservableCollection<DeviceEventSettings> emitEvents)
     : base(device, featureType, featureId, frequency, emitEvents)
 {
     EnergyTotal = 0.0;
     EventPower = 0;
     LastPowerEmitted = 0;
     LastEnergyEmitted = 0.0;
 }

 /// CHECKED
 /// <summary>
 /// 
 /// </summary>
 /// <param name="type"></param>
 /// <param name="x"></param>
 /// <param name="y"></param>
 /// <param name="w"></param>
 /// <param name="h"></param>
 public Feature(FeatureType type, int x, int y, int w, int h)
 {
     this.type = type;
     this.x = x;
     this.y = y;
     this.w = w;
     this.h = h;
 }

 /// <summary>
 /// Creates a new instance of a shapefile based on a fileName
 /// </summary>
 /// <param name="fileName">File name</param>
 /// <param name="featureType">Feature type</param>
 protected Shapefile(string fileName, FeatureType featureType)
     : base(featureType)
 {
     Attributes = new AttributeTable();
     Header = new ShapefileHeader();
     
     Open(fileName, null);
 }

 public FeatureInfo(Type feature, [AllowNull]Type factory, [AllowNull]IEnumerable<Type> dependencies, FeatureType featureType)
 {
     this.Id = Guid.NewGuid().ToString();
     this.Feature = feature;
     this.Factory = factory;
     this.Dependencies = dependencies;
     this.FeatureType = featureType;
     this.dependenciesInfo = new List<FeatureInfo>();
     this.BindingTarget = BindingTarget.Self;
 }

 public FeatureInfo(System.Type feature, [NullGuard.AllowNull]System.Type factory, [NullGuard.AllowNull] System.Collections.Generic.IEnumerable<System.Type> dependencies, FeatureType featureType)
 {
     this.Id = System.Guid.NewGuid().ToString();
     this.Feature = feature;
     this.Factory = factory;
     this.Dependencies = dependencies;
     this.FeatureType = featureType;
     this.dependenciesInfo = new System.Collections.Generic.List<FeatureInfo>();
     this.BindingTarget = Planning.Bindings.BindingTarget.Self;
 }

 public bool Enable(DBManager dbManager, FeatureType type, string subType, bool isManually, string command, string text)
 {
     return DoUpdate(dbManager,
         new EnableFeatureRec
         {
             Type = GetFeatureTypeKey(type, subType),
             IsEnabled = true,
             IsManually = isManually,
             AuthorUserID = SP.SessionContext.UserID,
             Command = command,
             Text = text,
             Upd = DateTime.Now,
         });
 }

        private string featureTypeSubKey(FeatureType featureType)
        {
            switch (featureType)
            { 
                case FeatureType.Point:
                    return "points";
                case FeatureType.Polyline:
                    return "polylines";
                case FeatureType.Polygon:
                    return "polygons";
            }

            return string.Empty;
        }

        public XElement GenerateLink(string sourceElementId, FeatureInfo targetElement, FeatureType featureType)
        {
            string color = this.colorSelector.GetLinkColor(featureType);

            XAttribute label =
                string.IsNullOrEmpty(targetElement.BindingTarget.ToString())
                ? new XAttribute("Label", featureType)
                : new XAttribute("Label", "Binding " + targetElement.BindingTarget);

            var link = new XElement(
                this.nameSpace + "Link",
                new XAttribute("Source", sourceElementId),
                new XAttribute("Target", targetElement.Id),
                new XAttribute("Stroke", color),
                new XAttribute("StrokeDashArray", "3"),
                label);

            return link;
        }

        /// <summary>
        /// Not Implemented yet
        /// </summary>
        /// <param name="fileName"></param>
        /// <param name="featureType"></param>
        /// <param name="inRam"></param>
        /// <param name="container"></param>
        /// <param name="progressHandler"></param>
        /// <returns></returns>
        public IFeatureLayer CreateNew(string fileName, FeatureType featureType, bool inRam, ICollection<ILayer> container, IProgressHandler progressHandler)
        {
            ShapefileDataProvider dp = new ShapefileDataProvider();
            IFeatureSet fs = dp.CreateNew(fileName, featureType, inRam, progressHandler);
            if (progressHandler == null) progressHandler = LayerManager.DefaultLayerManager.ProgressHandler;

            if (fs.FeatureType == FeatureType.Line)
            {
                return new MapLineLayer(fs, container);
            }
            if (fs.FeatureType == FeatureType.Polygon)
            {
                return new MapPolygonLayer(fs, container);
            }
            if (fs.FeatureType == FeatureType.Point || fs.FeatureType == FeatureType.MultiPoint)
            {
                return new MapPointLayer(fs, container);
            }
            return null;
        }