private static long[] GetVisibleChunks(Config config, int zoom, double R, TraceListener log)
{
int numR = 1000;
List <long> orderedChunkKeys = new List <long>();
for (int iR = 1; iR <= numR; iR++)
{
for (double iTheta = config.MinAngleDec; iTheta <= config.MaxAngleDec; iTheta += (config.MaxAngleDec - config.MinAngleDec) / numR)
{
var dest = Utils.GetDestFromBearing(config.HomePoint, Angle.FromDecimalDegrees(iTheta), R * iR / numR);
var curr = StandardChunkMetadata.GetKey(dest.Lat.Fourths, dest.Lon.Fourths, zoom);
if (!orderedChunkKeys.Contains(curr))
{
orderedChunkKeys.Add(curr);
}
}
}
orderedChunkKeys.Reverse();
return(orderedChunkKeys.ToArray());
}
public static async Task Test12(string outputFolder, TraceListener log, Action <MemoryStream> getBitmap = null)
{
var lat = Angle.FromDecimalDegrees(47.6867797);
var lon = Angle.FromDecimalDegrees(-122.2907541);
for (int i = 0; i <= StandardChunkMetadata.MaxZoomLevel; i++)
{
var k1 = StandardChunkMetadata.GetRangeContaingPoint(lat, lon, i);
log?.WriteLine(i + ", 1: " + k1);
}
log?.WriteLine(lat.ToLatString() + "," + lon.ToLonString());
for (int zoomLevel = StandardChunkMetadata.MaxZoomLevel; zoomLevel >= 0; zoomLevel--)
{
var kay = StandardChunkMetadata.GetKey(lat.Fourths, lon.Fourths, zoomLevel);
var xxx = StandardChunkMetadata.GetRangeFromKey(kay);
var cc = StandardChunkMetadata.GetRangeContaingPoint(lat, lon, zoomLevel);
if (cc == null)
{
log?.WriteLine("Chunk is null");
}
else
{
log?.Write(zoomLevel + "\t" + cc.LatDelta);
log?.WriteLine("\t" + cc.LatLo.ToLatString() + "," + cc.LonLo.ToLonString() + ", " + cc.LatHi.ToLatString() + "," + cc.LonHi.ToLonString());
var template = cc;
try
{
var pixels2 = await Heights.Current.GetData(template, log);
if (pixels2 != null)
{
Utils.WriteImageFile(pixels2,
Path.Combine(outputFolder, "AChunkH" + zoomLevel + ".png"),
a => Utils.GetColorForHeight(a),
OutputType.JPEG);
getBitmap?.Invoke(Utils.GetBitmap(pixels2, a => Utils.GetColorForHeight(a), OutputType.JPEG));
}
}
catch (Exception ex)
{
log?.WriteLine(ex.Message);
}
try
{
var pixels = await Images.Current.GetData(template, log);
if (pixels != null)
{
Utils.WriteImageFile(pixels,
Path.Combine(outputFolder, "AChunkC" + zoomLevel + ".png"),
a => a,
OutputType.JPEG);
getBitmap?.Invoke(Utils.GetBitmap(pixels, a => a, OutputType.JPEG));
}
}
catch (Exception ex)
{
log?.WriteLine(ex.Message);
}
}
}
}