void GetRadarData(string url)
{
if (!Enabled)
{
return;
}
using (var client = new WebClient())
{
try
{
Debug.WriteLine("Downloading radar data from " + url);
Stream response = client.OpenRead(url);
MemoryStream stream = new MemoryStream();
response.CopyTo(stream);
decoder.setStreamResource(stream);
decoder.parseMHB();
description = decoder.parsePDB();
symbology = (RadialSymbologyBlock)decoder.parsePSB();
gotdata = true;
}
catch (Exception ex)
{
}
}
//decoder.setFileResource("e:\\users\\dennis\\downloads\\KOKX_SDUS51_N0ROKX_202009292354");
//RecomputeVertices(_center, _scale, _rotation);
if (!recomputeVerticesThread.IsAlive)
{
recomputeVerticesThread.Start();
}
recompute = true;
}
public override void parseLayers()
{
RadialSymbologyBlock symbology_block = new RadialSymbologyBlock();
symbology_block.LayerDivider = readHalfWord();
symbology_block.LayerLength = readWord();
symbology_block.LayerPacketCode = readHalfWord();
symbology_block.LayerIndexOfFirstRangeBin = readHalfWord();
symbology_block.LayerNumberOfRangeBins = readHalfWord();
symbology_block.I_CenterOfSweep = readHalfWord();
symbology_block.J_CenterOFSweep = readHalfWord();
symbology_block.ScaleFactor = readHalfWord() / 1000;
symbology_block.NumberOfRadials = readHalfWord();
symbology_block.Radials = new Radial[symbology_block.NumberOfRadials];
for (int i = 0; i < symbology_block.NumberOfRadials; i++)
{
int bytes = readHalfWord();
double startangle = readHalfWord() / 10;
double angledelta = readHalfWord() / 10;
symbology_block.Radials[i] = new Radial();
symbology_block.Radials[i].StartAngle = startangle;
symbology_block.Radials[i].RadialBytes = bytes;
symbology_block.Radials[i].AngleDelta = angledelta;
if (symbology_block.LayerPacketCode == -20705)
{
symbology_block.Radials[i].ColorValues = new int[0];
symbology_block.Radials[i].Values = new double[bytes];
for (int j = 0; j < bytes * 2; j++)
{
var tempcolorvalues = parseRLE();
symbology_block.Radials[i].ColorValues = ArrayMerge.Merge(symbology_block.Radials[i].ColorValues, tempcolorvalues);
}
symbology_block.Radials[i].Values = new double[symbology_block.Radials[i].ColorValues.Length];
for (int j = 0; j < symbology_block.Radials[i].ColorValues.Length; j++)
{
int value = description_block.Threshold[symbology_block.Radials[i].ColorValues[j]];
if (description_block.Mode == 1 && (description_block.Code >= 16 && description_block.Code <= 21))
{
value = ((int)(((double)value / 256.0) * 16));
}
symbology_block.Radials[i].Values[j] = value;
}
}
else if (symbology_block.LayerPacketCode == 16)
{
double minval = (double)description_block.Threshold[0] / 10;
double increment = (double)description_block.Threshold[1] / 10;
symbology_block.Radials[i].ColorValues = new int[bytes];
symbology_block.Radials[i].Values = new double[bytes];
for (int j = 0; j < bytes; j++)
{
int value = readByte();
symbology_block.Radials[i].ColorValues[j] = value / 16;
if (value > 2)
{
symbology_block.Radials[i].Values[j] = (increment * (value - 2)) + minval;
}
}
}
}
base.symbology_block = symbology_block;
}
