public override PureImage GetTileImage(GPoint pos, int zoom)
{
var px1 = GDALProvider.Instance.Projection.FromTileXYToPixel(pos);
var px2 = px1;
px1.Offset(0, 0);
PointLatLng p1 = GDALProvider.Instance.Projection.FromPixelToLatLng(px1, zoom);
px2.Offset(GDALProvider.Instance.Projection.TileSize.Width, -GDALProvider.Instance.Projection.TileSize.Height);
PointLatLng p2 = GDALProvider.Instance.Projection.FromPixelToLatLng(px2, zoom);
var bmp = GDAL.GetBitmap(p1.Lng, p1.Lat, p2.Lng, p2.Lat, GDALProvider.Instance.Projection.TileSize.Width, GDALProvider.Instance.Projection.TileSize.Height);
if (bmp == null)
{
return(null);
}
var ms = new MemoryStream();
bmp.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
return(new GMapImage()
{
Img = bmp, Data = ms
});
}
public static void ScanDirectory(string path)
{
var files = Directory.GetFiles(path, "*.*", SearchOption.AllDirectories);
int i = 0;
foreach (var file in files)
{
i++;
try
{
// 1kb file check
if (new FileInfo(file).Length < 1024 * 1)
{
continue;
}
if (OnProgress != null)
{
OnProgress((i - 1) / (double)files.Length, file);
}
var info = GDAL.LoadImageInfo(file);
_cache.Add(info);
}
catch (Exception ex)
{
log.Error(ex);
}
}
// lowest res first
_cache.Sort((a, b) => { return(b.Resolution.CompareTo(a.Resolution)); });
}
public static void Main(string[] args)
{
var layout = new PatternLayout("%-4timestamp [%thread] %-5level %logger %ndc - %message%newline");
var appender = new ConsoleAppender
{
Layout = layout
};
layout.ActivateOptions();
appender.ActivateOptions();
BasicConfigurator.Configure(appender);
GDAL.ScanDirectory(Application.StartupPath);
Form frm = new Form();
GMap.NET.WindowsForms.GMapControl map = new GMap.NET.WindowsForms.GMapControl();
map.Dock = DockStyle.Fill;
frm.Controls.Add(map);
map.MapProvider = GDALProvider.Instance;
map.MaxZoom = 22;
//map.Manager.Mode = AccessMode.ServerOnly;
map.Invalidate();
frm.ShowDialog();
}
//---------------------------------------------------------------------
internal Raster(Gdal.Dataset dataset)
{
this.dataset = dataset;
this.disposed = false;
}
