private static TileLayer ProcessTile(FeatureLayer featureLayer, int tileX, int tileY, int zoom, IEnumerable <string> columnNames, int simplificationFactor, int tileSize)
{
RectangleShape tileBoundingBox = GetTileSphericalMercatorBoundingBox(tileX, tileY, zoom, tileSize);
RectangleShape scaledUpBoudingBox = new RectangleShape(tileBoundingBox.GetWellKnownBinary());
scaledUpBoudingBox.ScaleUp(5);
featureLayer.Open();
Collection <string> allFeatureIds = featureLayer.FeatureSource.GetFeatureIdsInsideBoundingBox(scaledUpBoudingBox);
RectangleInt tileScreenBoundingBox = new RectangleInt()
{
XMin = -20,
YMin = -20,
XMax = tileSize + 20,
YMax = tileSize + 20
};
TileLayer tileLayer = new TileLayer();
tileLayer.Extent = (uint)tileSize;
tileLayer.Version = 2;
tileLayer.Name = featureLayer.Name;
int IdsCountToExecute = allFeatureIds.Count;
int startIndex = 0;
while (IdsCountToExecute > 0)
{
List <string> featureIds = GetSubString(allFeatureIds, startIndex, Math.Min(1000, IdsCountToExecute));
IdsCountToExecute = IdsCountToExecute - featureIds.Count;
startIndex = startIndex + featureIds.Count;
Collection <Feature> features = GetFeaturesByIds(featureLayer, featureIds, columnNames);
foreach (Feature feature in features)
{
TileFeature tileFeature = GetVectorTileFeature(feature, zoom, tileSize, tileScreenBoundingBox, simplificationFactor, tileBoundingBox);
if (tileFeature.Geometry.Count > 0)
{
tileLayer.Features.Add(tileFeature);
}
}
}
tileLayer.FillInTheInternalProperties();
return(tileLayer);
}
private void btnGetEnvelope_Click(object sender, RoutedEventArgs e)
{
ShapeFileFeatureLayer worldLayer = new ShapeFileFeatureLayer(SampleHelper.Get("Countries02_3857.shp"));
worldLayer.Open();
RectangleShape usBoundingBox = worldLayer.QueryTools.GetFeatureById("137", new string[0]).GetBoundingBox();
worldLayer.Close();
InMemoryFeatureLayer boundingBoxLayer = (InMemoryFeatureLayer)mapView.FindFeatureLayer("BoundingBoxLayer");
if (!boundingBoxLayer.InternalFeatures.Contains("BoundingBox"))
{
boundingBoxLayer.InternalFeatures.Add("BoundingBox", new Feature(usBoundingBox.GetWellKnownBinary(), "BoundingBox"));
}
mapView.Overlays["BoundingBoxOverlay"].Refresh();
}
private void btnGetEnvelope_Click(object sender, EventArgs e)
{
ShapeFileFeatureLayer worldLayer = new ShapeFileFeatureLayer(Samples.RootDirectory + @"Data\Countries02.shp");
worldLayer.Open();
RectangleShape usBoundingBox = worldLayer.QueryTools.GetFeatureById("137", new string[0]).GetBoundingBox();
worldLayer.Close();
InMemoryFeatureLayer boundingBoxLayer = (InMemoryFeatureLayer)winformsMap1.FindFeatureLayer("BoundingBoxLayer");
if (!boundingBoxLayer.InternalFeatures.Contains("BoundingBox"))
{
boundingBoxLayer.InternalFeatures.Add("BoundingBox", new Feature(usBoundingBox.GetWellKnownBinary(), "BoundingBox"));
}
winformsMap1.Refresh(winformsMap1.Overlays["BoundingBoxOverlay"]);
}
private void EnvelopeButtonClick(object sender, EventArgs e)
{
LayerOverlay worldOverlay = (LayerOverlay)androidMap.Overlays["WorldOverlay"];
FeatureLayer worldLayer = (FeatureLayer)worldOverlay.Layers["WorldLayer"];
worldLayer.Open();
RectangleShape usBoundingBox = worldLayer.QueryTools.GetFeatureById("137", new string[0]).GetBoundingBox();
worldLayer.Close();
InMemoryFeatureLayer boundingBoxLayer = ((LayerOverlay)androidMap.Overlays["BoundingBoxOverlay"]).Layers["BoundingBoxLayer"] as InMemoryFeatureLayer;
if (!boundingBoxLayer.InternalFeatures.Contains("BoundingBox"))
{
boundingBoxLayer.InternalFeatures.Add("BoundingBox", new Feature(usBoundingBox.GetWellKnownBinary(), "BoundingBox"));
}
androidMap.Overlays["BoundingBoxOverlay"].Refresh();
}