Function ReadNumericTagAt

Modules/PET/src/mitkSUVCalculationHelper.cpp:218–226

Read a numeric DICOM tag at (timestep, slice). Returns NaN if the tag is absent at that slot or cannot be parsed.

  // Read a numeric DICOM tag at (timestep, slice). Returns NaN if the tag
  // is absent at that slot or cannot be parsed.
  double ReadNumericTagAt(const mitk::DICOMProperty* prop,
                          mitk::TimeStepType t,
                          mitk::SlicedData::IndexValueType s)
  {
    if (nullptr == prop) return std::numeric_limits<double>::quiet_NaN();
    const std::string raw = prop->GetValue(t, s, true, true);
    if (raw.empty()) return std::numeric_limits<double>::quiet_NaN();
    return mitk::ConvertDICOMStrToValue<double>(raw);
  }

  // Compare two OFDateTimes at second resolution: true if they represent
  // the same wall-clock second (sub-second jitter is ignored). Used by