public static Tile GetCachedTile(int level, int x, int y, IImageSet dataset, Tile parent)
{
if (level < dataset.BaseLevel)
{
return(null);
}
Tile retTile = null;
long tileKey = ImageSetHelper.GetTileKey(dataset, level, x, y);
try
{
if (!tiles.ContainsKey(tileKey))
{
return(null);
}
else
{
retTile = tiles[tileKey];
}
}
catch
{
if (Earth3d.Logging)
{
Earth3d.WriteLogMessage("Tile Initialize: Exception");
}
}
return(retTile);
}
public static Tile GetTileNow(int level, int x, int y, IImageSet dataset, Tile parent)
{
if (level < dataset.BaseLevel)
{
return(null);
}
Tile retTile = null;
long tileKey = ImageSetHelper.GetTileKey(dataset, level, x, y);
try
{
if (!tiles.ContainsKey(tileKey))
{
retTile = ImageSetHelper.GetNewTile(dataset, level, x, y, parent);
tileMutex.WaitOne();
tiles.Add(tileKey, retTile);
tileMutex.ReleaseMutex();
}
else
{
retTile = tiles[tileKey];
}
}
catch
{
if (Earth3d.Logging)
{
Earth3d.WriteLogMessage("GetTile: Exception");
}
}
finally
{
//todoperf get rid of this write for GC
retTile.AccessCount = AccessID++;
}
// Create if not ready to render
if (!retTile.ReadyToRender)
{
TileCache.GetTileFromWeb(retTile, false);
retTile.CreateGeometry(Earth3d.MainWindow.RenderContext11, false);
}
return(retTile);
}
public static Tile GetTile(int level, int x, int y, IImageSet dataset, Tile parent)
{
if (level < dataset.BaseLevel)
{
return(null);
}
Tile retTile = null;
long tileKey = ImageSetHelper.GetTileKey(dataset, level, x, y);
try
{
if (!tiles.ContainsKey(tileKey))
{
retTile = ImageSetHelper.GetNewTile(dataset, level, x, y, parent);
tileMutex.WaitOne();
tiles.Add(tileKey, retTile);
tileMutex.ReleaseMutex();
}
else
{
retTile = tiles[tileKey];
}
}
catch
{
if (Earth3d.Logging)
{
Earth3d.WriteLogMessage("GetTile: Exception");
}
}
finally
{
//todoperf get rid of this write for GC
retTile.AccessCount = AccessID++;
}
return(retTile);
}