private Collection <HotelInfomation> GetHotels()
{
Collection <HotelInfomation> hotels = new Collection <HotelInfomation>();
ShapeFileFeatureSource hotelFeatureSource = new ShapeFileFeatureSource(Server.MapPath("~/App_Data/Hotels.shp"));
hotelFeatureSource.Open();
Collection <Feature> features = hotelFeatureSource.GetAllFeatures(ReturningColumnsType.AllColumns);
foreach (var item in features)
{
HotelInfomation hotel = new HotelInfomation();
hotel.FeatureId = item.Id;
foreach (var keyValuePair in item.ColumnValues)
{
switch (keyValuePair.Key.ToLowerInvariant())
{
case "name":
hotel.Name = keyValuePair.Value;
break;
case "address":
hotel.Address = keyValuePair.Value;
break;
case "rooms":
hotel.Rooms = int.Parse(keyValuePair.Value, CultureInfo.InvariantCulture);
break;
default:
break;
}
}
hotels.Add(hotel);
}
return(hotels);
}
private void DataJoinShapeFile()
{
var args = new UpdatingTaskProgressEventArgs(TaskState.Updating);
ShapeFileFeatureSource currentSource = ShapeFileFeatureSource;
if (!currentSource.IsOpen)
{
currentSource.Open();
}
var index = 0;
var count = currentSource.GetAllFeatures(ReturningColumnsType.AllColumns).Count;
Collection <DbfColumn> includeColumns = new Collection <DbfColumn>();
RemoveUnduplicateColumn(IncludedColumnsList);
foreach (var column in IncludedColumnsList)
{
DbfColumnType tmpDbfColumnType = DbfColumnType.Character;
if (Enum.TryParse(column.TypeName, out tmpDbfColumnType))
{
DbfColumn dbfColumn = new DbfColumn(column.ColumnName, tmpDbfColumnType, column.MaxLength, 0);
includeColumns.Add(dbfColumn);
}
}
ShapeFileType shapeFileType = GetShapeFileType(currentSource.GetAllFeatures(ReturningColumnsType.AllColumns).FirstOrDefault());
var projectionWkt = Proj4Projection.ConvertProj4ToPrj(DisplayProjectionParameters);
var dataTable = DataJoinAdapter.ReadDataToDataGrid(CsvFilePath, Delimiter);
var featureRows = dataTable.Rows;
var helper = new ShapeFileHelper(shapeFileType, OutputPathFileName, includeColumns, projectionWkt);
helper.ForEachFeatures(currentSource, (f, currentProgress, upperBound, percentage) =>
{
try
{
bool canceled = false;
if (f.GetWellKnownBinary() != null)
{
index++;
try
{
var matchedDataRow = featureRows.Cast <DataRow>().FirstOrDefault(r => MatchConditions.All(tmpCondition => f.ColumnValues[tmpCondition.SelectedLayerColumn.ColumnName]
== r[tmpCondition.SelectedDelimitedColumn.ColumnName].ToString()));
if (matchedDataRow != null)
{
SetFeatureColumnValues(f, matchedDataRow, IncludedColumnsList, InvalidColumns);
helper.Add(f);
}
else if (IsIncludeAllFeatures)
{
helper.Add(f);
}
if (UpdateProgress(OnUpdatingProgress, index, count))
{
canceled = true;
}
}
catch (Exception ex)
{
var errorEventArgs = new UpdatingTaskProgressEventArgs(TaskState.Error);
errorEventArgs.Error = new ExceptionInfo(string.Format(CultureInfo.InvariantCulture, "Feature id: {0}, {1}"
, f.Id, ex.Message)
, ex.StackTrace
, ex.Source);
GisEditor.LoggerManager.Log(LoggerLevel.Debug, ex.Message, new ExceptionInfo(ex));
errorEventArgs.Message = f.Id;
OnUpdatingProgress(errorEventArgs);
}
}
args = new UpdatingTaskProgressEventArgs(TaskState.Updating, percentage);
args.Current = currentProgress;
args.UpperBound = upperBound;
OnUpdatingProgress(args);
canceled = args.TaskState == TaskState.Canceled;
return(canceled);
}
catch
{
return(false);
}
});
helper.Commit();
SavePrjFile(OutputPathFileName, DisplayProjectionParameters);
}
/// <summary>
/// Set up the map with the ThinkGeo Cloud Maps overlay and a feature layer containing Frisco zoning data
/// </summary>
protected override void OnAppearing()
{
base.OnAppearing();
// Create the background world maps using vector tiles requested from the ThinkGeo Cloud Service.
ThinkGeoCloudVectorMapsOverlay thinkGeoCloudVectorMapsOverlay = new ThinkGeoCloudVectorMapsOverlay("9ap16imkD_V7fsvDW9I8r8ULxgAB50BX_BnafMEBcKg~", "vtVao9zAcOj00UlGcK7U-efLANfeJKzlPuDB9nw7Bp4K4UxU_PdRDg~~", ThinkGeoCloudVectorMapsMapType.Light);
thinkGeoCloudVectorMapsOverlay.VectorTileCache = new FileVectorTileCache(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "cache"), "CloudMapsVector");
mapView.Overlays.Add(thinkGeoCloudVectorMapsOverlay);
// Set the Map Unit to meters (used in Spherical Mercator)
mapView.MapUnit = GeographyUnit.Meter;
// Create a feature layer to hold and display the zoning data
InMemoryFeatureLayer zoningLayer = new InMemoryFeatureLayer();
// Add a style to use to draw the Frisco zoning polygons
zoningLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
zoningLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyle.CreateSimpleAreaStyle(GeoColor.FromArgb(50, GeoColors.MediumPurple), GeoColors.MediumPurple, 2);
// Import the features from the Frisco zoning data shapefile
ShapeFileFeatureSource zoningDataFeatureSource = new ShapeFileFeatureSource(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "Data/Shapefile/Zoning.shp"));
// Create a ProjectionConverter to convert the shapefile data from North Central Texas (2276) to Spherical Mercator (3857)
ProjectionConverter projectionConverter = new ProjectionConverter(3857, 2276);
// For this sample, we have to reproject the features before adding them to the feature layer
// This is because the topological equality query often does not work when used on a feature layer with a ProjectionConverter, due to rounding issues between projections
zoningDataFeatureSource.Open();
projectionConverter.Open();
foreach (Feature zoningFeature in zoningDataFeatureSource.GetAllFeatures(ReturningColumnsType.AllColumns))
{
Feature reprojectedFeature = projectionConverter.ConvertToInternalProjection(zoningFeature);
zoningLayer.InternalFeatures.Add(reprojectedFeature);
}
zoningDataFeatureSource.Close();
projectionConverter.Close();
// Set the map extent to Frisco, TX
//mapView.CurrentExtent = new RectangleShape(-10781137.28, 3917162.59, -10774579.34, 3911241.35);
// Create a layer to hold the feature we will perform the spatial query against
InMemoryFeatureLayer queryFeatureLayer = new InMemoryFeatureLayer();
queryFeatureLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyle.CreateSimpleAreaStyle(GeoColor.FromArgb(75, GeoColors.LightRed), GeoColors.LightRed);
queryFeatureLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
// Create a layer to hold features found by the spatial query
InMemoryFeatureLayer highlightedFeaturesLayer = new InMemoryFeatureLayer();
highlightedFeaturesLayer.ZoomLevelSet.ZoomLevel01.DefaultAreaStyle = AreaStyle.CreateSimpleAreaStyle(GeoColor.FromArgb(90, GeoColors.MidnightBlue), GeoColors.MidnightBlue);
highlightedFeaturesLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
// Add each feature layer to it's own overlay
// We do this so we can control and refresh/redraw each layer individually
LayerOverlay layerOverlay = new LayerOverlay();
layerOverlay.Layers.Add("Frisco Zoning", zoningLayer);
layerOverlay.Layers.Add("Query Feature", queryFeatureLayer);
layerOverlay.Layers.Add("Highlighted Features", highlightedFeaturesLayer);
mapView.Overlays.Add("Layer Overlay", layerOverlay);
// Create a sample shape using vertices from an existing feature, to ensure that it is touching other features
zoningLayer.Open();
MultipolygonShape firstFeatureShape = (MultipolygonShape)zoningLayer.FeatureSource.GetAllFeatures(ReturningColumnsType.NoColumns).First().GetShape();
// Get vertices from an existing feature
var vertices = firstFeatureShape.Polygons.First().OuterRing.Vertices;
// Create a new feature using a subset of those vertices
MultipolygonShape sampleShape = new MultipolygonShape(new Collection <PolygonShape> {
new PolygonShape(new RingShape(new Collection <Vertex> {
vertices[0], vertices[1], vertices[2]
}))
});
queryFeatureLayer.InternalFeatures.Add(new Feature(sampleShape));
zoningLayer.Close();
GetFeaturesTouching(sampleShape);
// Set the map extent to the sample shape
mapView.CurrentExtent = new RectangleShape(-10778499.3056056, 3920951.91647677, -10774534.1347853, 3917536.13679426);
mapView.Refresh();
}