private void AccumulateFrameDataWithYCompression(IDataReader reader, int width, int height, int startScan, int startBin,
int endBin, ref int[][] frameData, int minMzBin, int maxMzBin, int xCompression, double[] calibTable)
{
// each pixel accumulates more than 1 bin of data
for (var scansData = 0; scansData / xCompression < width && reader.Read(); scansData++)
{
var scanNum = GetInt32(reader, "ScanNum");
ValidateScanNumber(scanNum);
var currentScan = scanNum - startScan;
var compressedBinIntensity = (byte[])(reader["Intensities"]);
if (compressedBinIntensity.Length == 0)
{
continue;
}
var compressedScan = currentScan;
if (xCompression > 1)
{
compressedScan = currentScan / xCompression;
}
var pixelY = 0;
var binIntensities = IntensityConverterCLZF.Decompress(compressedBinIntensity, out int _);
foreach (var binIntensity in binIntensities)
{
var binIndex = binIntensity.Item1;
if (binIndex < startBin || binIndex < minMzBin)
{
continue;
}
if (binIndex > endBin || binIndex > maxMzBin)
{
break;
}
double calibratedBin = binIndex;
if (height == 1)
{
frameData[compressedScan][0] += binIntensity.Item2;
}
else
{
for (var j = pixelY; j < height; j++)
{
if (calibTable[j] > calibratedBin)
{
pixelY = j;
frameData[compressedScan][pixelY] += binIntensity.Item2;
break;
}
}
}
}
}
}
private void AccumulateFrameDataNoYCompression(IDataReader reader, int width, int startScan, int startBin, int endBin,
ref int[][] frameData, int minMzBin, int maxMzBin, int xCompression)
{
for (var scansData = 0; (scansData / xCompression < width) && reader.Read(); scansData++)
{
var scanNum = GetInt32(reader, "ScanNum");
ValidateScanNumber(scanNum);
var currentScan = scanNum - startScan;
var compressedBinIntensity = (byte[])(reader["Intensities"]);
if (compressedBinIntensity.Length == 0)
{
continue;
}
var compressedScan = currentScan;
if (xCompression > 1)
{
compressedScan = currentScan / xCompression;
}
var binIntensities = IntensityConverterCLZF.Decompress(compressedBinIntensity, out int _);
foreach (var binIntensity in binIntensities.Where(x => x.Item1 >= startBin && x.Item1 >= minMzBin && x.Item1 <= endBin && x.Item1 <= maxMzBin))
{
var binIndex = binIntensity.Item1;
//if (binIndex < startBin || binIndex < minMzBin)
//{
// continue;
//}
//if (binIndex > endBin || binIndex > maxMzBin)
//{
// break;
//}
frameData[compressedScan][binIndex - startBin] += binIntensity.Item2;
}
}
}