private Feature ToFeature(TileInfo tileInfo)
{
byte[] tileData = _tileSource.GetTile(tileInfo);
return(new Feature {
Geometry = ToGeometry(tileInfo, tileData)
});
}
private IFeature ToFeature(TileInfo tileInfo)
{
var tileData = _source.GetTile(tileInfo);
return(new Feature {
Geometry = ToGeometry(tileInfo, tileData)
});
}
private RasterFeature?ToFeature(TileInfo tileInfo)
{
var tileData = _tileSource.GetTile(tileInfo);
var mRaster = ToRaster(tileInfo, tileData);
if (mRaster != null)
{
return(new RasterFeature(mRaster));
}
return(null);
}
/// <summary>
/// Renders the layer
/// </summary>
/// <param name="g">Graphics object reference</param>
/// <param name="map">Map which is rendered</param>
public override void OnRender(System.Drawing.Graphics g, IMap map)
{
MapTransform mapTransform = new MapTransform(new PointF((float)Map.Center.X, (float)Map.Center.Y), (float)Map.PixelSize, Map.Image.Width, Map.Image.Height);
_tileSource = KnownTileSources.Create(KnownTileSource.BingHybrid, BingApiKey);
string level = BruTile.Utilities.GetNearestLevel(_tileSource.Schema.Resolutions, Map.PixelSize);
IEnumerable <TileInfo> tileInfos = Schema.GetTileInfos(mapTransform.Extent, level);
//new BingRequest(BingRequest.UrlBing, string.Empty, BingMapType.Hybrid);
using (var graphics = Graphics.FromImage(Image))
{
// log.DebugFormat("Downloading tiles:");
foreach (var tileInfo in tileInfos)
{
var bytes = cache.Find(tileInfo.Index);
if (bytes == default(byte[]))
{
try
{
// log.DebugFormat("row: {0}, column: {1}, level: {2}", tileInfo.Index.Row, tileInfo.Index.Col, tileInfo.Index.Level);
bytes = _tileSource.GetTile(tileInfo);
cache.Add(tileInfo.Index, bytes);
}
catch (WebException e)
{
log.Error("Can't fetch tiles from the server", e);
}
}
else
{
//log.DebugFormat("row: {0}, column: {1}, level: {2} (cached)", tileInfo.Index.Row, tileInfo.Index.Col, tileInfo.Index.Level);
}
if (bytes == null)
{
continue;
}
using (var bitmap = new Bitmap(new MemoryStream(bytes)))
{
var rectangle = mapTransform.WorldToMap(tileInfo.Extent.MinX, tileInfo.Extent.MinY,
tileInfo.Extent.MaxX, tileInfo.Extent.MaxY);
DrawTile(Schema, level, graphics, bitmap, rectangle);
}
}
}
}
private static List <RasterFeature> TileIndexToFeatures(TileIndex[] tileIndexes, ITileSource tileSource)
{
var features = new List <RasterFeature>();
foreach (var tileIndex in tileIndexes)
{
var tileInfo = new TileInfo
{
Index = tileIndex,
Extent = TileTransform.TileToWorld(
new TileRange(tileIndex.Col, tileIndex.Row), tileIndex.Level, tileSource.Schema)
};
var raster = new MRaster(tileSource.GetTile(tileInfo), tileInfo.Extent.ToMRect());
features.Add(new RasterFeature(raster));
}
return(features);
}
private RasterFeature TileToFeature(ITileSource tileProvider, TileInfo tileInfo)
{
var tile = tileProvider.GetTile(tileInfo);
// A tile layer can return a null value. This indicates the tile is not
// present in the source, permanently. If this is the case no further
// requests should be done. To avoid further fetches a feature should
// be returned with the Geometry set to null. If a null Feature is returned
// this equates to having no tile at all and attempts to fetch the tile will
// continue. TileLayer.ToGeometry() follows the same implementations.
//
// Note, the fact that we have to define this complex method on the outside
// indicates a design flaw.
if (tile == null)
{
return(new RasterFeature((MRaster?)null));
}
return(new RasterFeature(new MRaster(tile, tileInfo.Extent.ToMRect())));
}
private static List<IFeature> TileIndexToFeatures(TileIndex[] tileIndexes, ITileSource tileSource)
{
var features = new List<IFeature>();
foreach (var tileIndex in tileIndexes)
{
var tileInfo = new TileInfo
{
Index = tileIndex,
Extent = TileTransform.TileToWorld(
new TileRange(tileIndex.Col, tileIndex.Row), tileIndex.Level, tileSource.Schema)
};
var feature = new Feature
{
Geometry = new Raster(new MemoryStream(
tileSource.GetTile(tileInfo)), tileInfo.Extent.ToBoundingBox())
};
features.Add(feature);
}
return features;
}
/// <summary>
/// Save a given map tile to an Mbtiles file
/// </summary>
/// <param name="tileSource"></param>
/// <param name="tileInfo"></param>
/// <param name="dbpath"></param>
/// <param name="layer"></param>
public static void saveTile(ITileSource tileSource, TileInfo tileInfo, string dbpath, BioDivCollectorXamarin.Models.DatabaseModel.Layer layer)
{
if (!Mbtiles.TileExists(tileInfo, dbpath))
{
try
{
var tile = tileSource.GetTile(tileInfo);
Mbtiles.PopulateMbtilesWith(tile, tileInfo, dbpath);
}
catch (Exception e)
{
Console.WriteLine(e);
}
finally
{
MessagingCenter.Send <Application>(App.Current, "TileSavedInternal");
}
}
else
{
MessagingCenter.Send <Application>(App.Current, "TileSavedInternal");
}
}
private static List <IFeature> TileIndexToFeatures(TileIndex[] tileIndexes, ITileSource tileSource)
{
var features = new List <IFeature>();
foreach (var tileIndex in tileIndexes)
{
var tileInfo = new TileInfo
{
Index = tileIndex,
Extent = TileTransform.TileToWorld(
new TileRange(tileIndex.Col, tileIndex.Row), tileIndex.Level, tileSource.Schema)
};
var feature = new Feature
{
Geometry = new Raster(new MemoryStream(
tileSource.GetTile(tileInfo)), tileInfo.Extent.ToBoundingBox())
};
features.Add(feature);
}
return(features);
}
private Feature TileToFeature(ITileSource tileProvider, TileInfo tileInfo)
{
var tile = tileProvider.GetTile(tileInfo);
return(new Feature());
}
private void Process(ITileSource source, Extent extent,
out Dictionary <BruTile.TileInfo, byte[]> tiles,
//IRequest request = null,
string levelId = null)
{
int levelId_int = -1;
if (!string.IsNullOrEmpty(levelId))
{
if (!int.TryParse(levelId, out levelId_int))
{
Debug.LogErrorFormat("Could not parse levelId {0}", levelId);
}
}
IEnumerable <TileInfo> tileInfos = null;
if (extent == null)
{
extent = new BruTile.Extent(-20037508, -20037508, 20037508, 20037508);
}
if (levelId_int != -1)
{
tileInfos = source.Schema.GetTileInfos(extent, levelId);
}
else
{
const int screenWidthInPixels = 400; // The width of the map on screen in pixels
var unitsPerPixel = extent.Width / screenWidthInPixels;
tileInfos = source.Schema.GetTileInfos(extent, unitsPerPixel);
}
tiles = new Dictionary <BruTile.TileInfo, byte[]>();
//var tileUris = new Dictionary<BruTile.TileInfo, Uri>();
int count = 0;
foreach (var tileInfo in tileInfos)
{
try
{
tiles[tileInfo] = source.GetTile(tileInfo);
//if (request != null)
// tileUris[tileInfo] = request.GetUri(tileInfo);
}
catch (HttpRequestException e)
{
Debug.LogException(e);
}
++count;
}
//int i = 0;
//foreach (var kvp in tiles)
//{
// var tileInfo = kvp.Key;
// var bytes = kvp.Value;
// if (bytes == null)
// continue;
// //int width = source.Schema.GetTileWidth(tileInfo.Index.Level);
// //int height = source.Schema.GetTileHeight(tileInfo.Index.Level);
// ++i;
//}
if (VerboseLogging)
{
PrintTiles(ref tiles);
}
}
private Texture2D[] Process(ITileSource source,
//IRequest request = null,
string levelId = null)
{
int levelId_int = -1;
if (!string.IsNullOrEmpty(levelId))
{
if (!int.TryParse(levelId, out levelId_int))
{
Debug.LogErrorFormat("Could not parse levelId {0}", levelId);
}
}
IEnumerable <TileInfo> tileInfos = null;
var extent = new BruTile.Extent(-20037508, -20037508, 20037508, 20037508);
if (levelId_int != -1)
{
tileInfos = source.Schema.GetTileInfos(extent, levelId);
}
else
{
const int screenWidthInPixels = 400; // The width of the map on screen in pixels
var unitsPerPixel = extent.Width / screenWidthInPixels;
tileInfos = source.Schema.GetTileInfos(extent, unitsPerPixel);
}
var tiles = new Dictionary <BruTile.TileInfo, byte[]>();
var tileUris = new Dictionary <BruTile.TileInfo, Uri>();
int count = 0;
foreach (var tileInfo in tileInfos)
{
try
{
tiles[tileInfo] = source.GetTile(tileInfo);
//if (request != null)
// tileUris[tileInfo] = request.GetUri(tileInfo);
}
catch (HttpRequestException e)
{
Debug.LogException(e);
}
++count;
}
var textureTest = new Texture2D[count];
int i = 0;
foreach (var kvp in tiles)
{
var tileInfo = kvp.Key;
var bytes = kvp.Value;
if (bytes == null)
{
continue;
}
int width = source.Schema.GetTileWidth(tileInfo.Index.Level);
int height = source.Schema.GetTileHeight(tileInfo.Index.Level);
if (source.Schema.Format.ToLower().EndsWith("png"))
{
textureTest[i] = Load_PNG_or_JPG(width, height, bytes);
}
else if (source.Schema.Format.ToLower().EndsWith("jpg") || source.Schema.Format.ToLower().EndsWith("jpeg"))
{
textureTest[i] = Load_PNG_or_JPG(width, height, bytes);
}
++i;
}
if (VerboseLogging)
{
PrintTiles(ref tiles);
}
return(textureTest);
}
