/// <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);
int level = BruTile.Utilities.GetNearestLevel(schema.Resolutions, Map.PixelSize);
IList <TileInfo> tileInfos = schema.GetTilesInView(mapTransform.Extent, level);
IRequest requestBuilder = new TmsRequest(new Uri("http://a.tile.openstreetmap.org"), "png");
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);
var url = requestBuilder.GetUri(tileInfo);
bytes = FetchImage(url);
cache.Add(tileInfo.Index, bytes);
}
catch (WebException e)
{
//log once per 45 seconds max
if ((DateTime.Now - lastErrorLogged) > TimeSpan.FromSeconds(45))
{
log.Error("Can't fetch tiles from the server", e);
lastErrorLogged = DateTime.Now;
}
}
}
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, graphics, bitmap, rectangle);
}
}
}
/// <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);
}
}
}
}
/// <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, Map map)
{
MapTransform mapTransform = new MapTransform(new PointF((float)Map.Center.X, (float)Map.Center.Y), (float)Map.PixelSize, Map.Image.Width, Map.Image.Height);
int level = BruTile.Utilities.GetNearestLevel(schema.Resolutions, Map.PixelSize);
IList <TileInfo> tileInfos = schema.GetTilesInView(mapTransform.Extent, level);
IRequest requestBuilder = new BingRequest(BingRequest.UrlBing, string.Empty, MapType.Hybrid);
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);
var url = requestBuilder.GetUri(tileInfo);
bytes = RequestHelper.FetchImage(url);
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, graphics, bitmap, rectangle);
}
}
}
/// <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, Map map)
{
MapTransform mapTransform = new MapTransform(new PointF((float)Map.Center.X, (float)Map.Center.Y), (float)Map.PixelSize, Map.Image.Width, Map.Image.Height);
int level = BruTile.Utilities.GetNearestLevel(schema.Resolutions, Map.PixelSize);
IList<TileInfo> tileInfos = schema.GetTilesInView(mapTransform.Extent, level);
IRequest requestBuilder = new TmsRequest(new Uri("http://a.tile.openstreetmap.org"), "png");
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);
var url = requestBuilder.GetUri(tileInfo);
bytes = RequestHelper.FetchImage(url);
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, graphics, bitmap, rectangle);
}
}
}