public void compress(Spectrum spectrum, TempScan ts)
{
BinaryDataDouble mzData = spectrum.getMZArray().data;
BinaryDataDouble intData = spectrum.getIntensityArray().data;
var dataCount = mzData.Count;
int[] mzArray = new int[dataCount];
float[] intensityArray = new float[dataCount];
int j = 0;
for (int t = 0; t < dataCount; t++)
{
if (jobInfo.jobParams.ignoreZeroIntensity && intData[t] == 0)
{
continue;
}
int mz = Convert.ToInt32(mzData[t] * mzPrecision);
mzArray[j] = mz;
if (jobInfo.jobParams.log2)
{
intensityArray[j] = Convert.ToSingle(Math.Round(Math.Log(intData[t]) / log2, 3)); //取log10并且精确到小数点后3位
}
else
{
intensityArray[j] = Convert.ToSingle(Math.Round(intData[t], 1)); //精确到小数点后一位
}
j++;
}
int[] mzSubArray = new int[j];
Array.Copy(mzArray, mzSubArray, j);
float[] intensitySubArray = new float[j];
Array.Copy(intensityArray, intensitySubArray, j);
int[] compressedMzArray = CompressUtil.fastPforEncoder(mzSubArray);
ts.mzArrayBytes = CompressUtil.zlibEncoder(compressedMzArray);
ts.intArrayBytes = CompressUtil.zlibEncoder(intensitySubArray);
}
