/// <summary>
/// Returns the image mean for the ImageSet.
/// </summary>
/// <param name="log">Specifies the Log used to output status.</param>
/// <param name="rgAbort">Specifies a set of wait handles for aborting the operation.</param>
/// <param name="bQueryOnly">Specifies whether or not to only query for the mean and not calculate if missing.</param>
/// <returns>The SimpleDatum with the image mean is returned.</returns>
public SimpleDatum GetImageMean(Log log, WaitHandle[] rgAbort, bool bQueryOnly)
{
if (m_imgMean != null || bQueryOnly)
{
return(m_imgMean);
}
int nLoadedCount = GetLoadedCount();
int nTotalCount = GetTotalCount();
if (nLoadedCount < nTotalCount)
{
double dfPct = (double)nLoadedCount / (double)nTotalCount;
if (log != null)
{
log.WriteLine("WARNING: Cannot create the image mean until all images have loaded - the data is currently " + dfPct.ToString("P") + " loaded.");
}
return(null);
}
if (OnCalculateImageMean != null)
{
CalculateImageMeanArgs args = new CalculateImageMeanArgs(m_rgImages);
OnCalculateImageMean(this, args);
if (args.Cancelled)
{
return(null);
}
m_imgMean = args.ImageMean;
return(m_imgMean);
}
RawImageMean imgMean = m_factory.GetRawImageMean();
if (m_imgMean != null)
{
m_imgMean = m_factory.LoadDatum(imgMean);
}
else
{
log.WriteLine("Calculating mean...");
m_imgMean = SimpleDatum.CalculateMean(log, m_rgImages, rgAbort);
m_factory.PutRawImageMean(m_imgMean, true);
}
m_imgMean.SetLabel(0);
return(m_imgMean);
}
/// <summary>
/// Returns the image mean for the ImageSet.
/// </summary>
/// <param name="log">Specifies the Log used to output status.</param>
/// <param name="rgAbort">Specifies a set of wait handles for aborting the operation.</param>
/// <returns>The SimpleDatum with the image mean is returned.</returns>
public SimpleDatum GetImageMean(Log log, WaitHandle[] rgAbort)
{
if (m_imgMean != null)
{
return(m_imgMean);
}
if (m_rgImages.Length == 0)
{
if (log != null)
{
log.WriteLine("WARNING: Cannot create image mean with no images!");
}
return(null);
}
if (m_loadMethod != IMAGEDB_LOAD_METHOD.LOAD_ALL)
{
throw new Exception("Can only create image mean when using LOAD_ALL.");
}
if (m_nLoadLimit != 0)
{
throw new Exception("Can only create image mean when LoadLimit = 0.");
}
if (OnCalculateImageMean != null)
{
CalculateImageMeanArgs args = new CalculateImageMeanArgs(m_rgImages);
OnCalculateImageMean(this, args);
if (args.Cancelled)
{
return(null);
}
m_imgMean = args.ImageMean;
return(m_imgMean);
}
m_imgMean = SimpleDatum.CalculateMean(log, m_rgImages, rgAbort);
m_imgMean.SetLabel(0);
return(m_imgMean);
}