public override SimpleDatum GetData(bool bNormalize, out int nDataLen)
{
int nScale = 4;
nDataLen = 4;
Valuemap data = new Valuemap(1, 6, 1);
data.SetPixel(0, 0, getValue(m_dfX, -MAX_X, MAX_X, bNormalize));
data.SetPixel(0, 1, getValue(m_dfXDot, -MAX_X * nScale, MAX_X * nScale, bNormalize));
data.SetPixel(0, 2, getValue(m_dfTheta, -MAX_THETA, MAX_THETA, bNormalize));
data.SetPixel(0, 3, getValue(m_dfThetaDot, -MAX_THETA * nScale * 2, MAX_THETA * nScale * 2, bNormalize));
data.SetPixel(0, 4, getValue(m_dfForceMag, -100, 100, bNormalize));
data.SetPixel(0, 5, m_nSteps);
return(new SimpleDatum(data));
}
/// <summary>
/// Query the next data in the streaming database.
/// </summary>
/// <param name="nWait">Specfies the maximum amount of time (in ms.) to wait for data.</param>
/// <returns>A simple datum containing the data is returned.</returns>
public SimpleDatum Query(int nWait)
{
if (!m_colData.WaitForCount(nWait))
{
return(null);
}
int nCount = m_nQueryCount * m_nFieldCount;
Valuemap vals = new Valuemap(1, m_nFieldCount, m_nQueryCount);
double[] rgLast = null;
for (int i = 0; i < m_nQueryCount; i++)
{
DataItem di = m_colData.GetData(nWait);
if (di == null)
{
throw new Exception("The data item should not be null!");
}
double[] rgItem = di.GetData();
for (int j = 0; j < rgItem.Length; j++)
{
vals.SetPixel(i, j, rgItem[j]);
}
rgLast = rgItem;
}
SimpleDatum sd = new SimpleDatum(vals);
sd.TimeStamp = Utility.ConvertTimeFromMinutes(rgLast[0]);
return(sd);
}
