C++ Pointer::SetFirstTimePoint方法代码示例

void mitk::ProbeFilter::GenerateOutputInformation()
{
  mitk::Surface::ConstPointer input  = this->GetInput();
  mitk::Image::ConstPointer source = this->GetSource();
  mitk::Surface::Pointer output = this->GetOutput();

  if(input.IsNull()) return;
  if(source.IsNull()) return;

  if(input->GetGeometry()==NULL) return;
  if(source->GetGeometry()==NULL) return;

  if( (input->GetTimeGeometry()->CountTimeSteps()==1) && (source->GetTimeGeometry()->CountTimeSteps()>1) )
  {
    Geometry3D::Pointer geo3D = Geometry3D::New();
    BaseGeometry::Pointer geometry3D = dynamic_cast<BaseGeometry*>(geo3D.GetPointer());
    geometry3D->Initialize();
    geometry3D->SetBounds(source->GetTimeGeometry()->GetBoundsInWorld());

    ProportionalTimeGeometry::Pointer outputTimeGeometry = ProportionalTimeGeometry::New();
    outputTimeGeometry->Initialize(geometry3D, source->GetTimeGeometry()->CountTimeSteps());
    outputTimeGeometry->SetFirstTimePoint(source->GetTimeGeometry()->GetMinimumTimePoint());
    TimePointType stepDuration = source->GetTimeGeometry()->GetMaximumTimePoint(0) - source->GetTimeGeometry()->GetMinimumTimePoint(0);
    outputTimeGeometry->SetStepDuration(stepDuration);

    output->Expand(outputTimeGeometry->CountTimeSteps());
    output->SetTimeGeometry( outputTimeGeometry );
  }
  else
    output->SetGeometry( static_cast<BaseGeometry*>(input->GetGeometry()->Clone().GetPointer()) );

  itkDebugMacro(<<"GenerateOutputInformation()");
}

mitk::ProportionalTimeGeometry::Pointer mitk::ProportionalTimeGeometryToXML::FromXML(TiXmlElement *timeGeometryElement)
{
  if (!timeGeometryElement)
  {
    MITK_ERROR << "Cannot deserialize ProportionalTimeGeometry from nullptr.";
    return nullptr;
  }

  int numberOfTimeSteps = 0;

  if (TIXML_SUCCESS != timeGeometryElement->QueryIntAttribute("NumberOfTimeSteps", &numberOfTimeSteps))
  {
    MITK_WARN << "<ProportionalTimeGeometry> found without NumberOfTimeSteps attribute. Counting...";
  }

  // might be missing!
  TimePointType firstTimePoint;
  std::string firstTimePoint_s;
  TimePointType stepDuration;
  std::string stepDuration_s;
  try
  {
    if (TIXML_SUCCESS == timeGeometryElement->QueryStringAttribute("FirstTimePoint", &firstTimePoint_s))
    {
      firstTimePoint = boost::lexical_cast<double>(firstTimePoint_s);
    }
    else
    {
      firstTimePoint = -std::numeric_limits<TimePointType>::max();
    }

    if (TIXML_SUCCESS == timeGeometryElement->QueryStringAttribute("StepDuration", &stepDuration_s))
    {
      stepDuration = boost::lexical_cast<double>(stepDuration_s);
    }
    else
    {
      stepDuration = std::numeric_limits<TimePointType>::infinity();
    }
  }
  catch (boost::bad_lexical_cast &e)
  {
    MITK_ERROR << "Could not parse string as number: " << e.what();
    return nullptr;
  }

  // list of all geometries with their time steps
  std::multimap<TimeStepType, BaseGeometry::Pointer> allReadGeometries;

  int indexForUnlabeledTimeStep(-1);
  for (TiXmlElement *currentElement = timeGeometryElement->FirstChildElement(); currentElement != nullptr;
       currentElement = currentElement->NextSiblingElement())
  {
    // different geometries could have been inside a ProportionalTimeGeometry.
    // By now, we only support Geometry3D
    std::string tagName = currentElement->Value();
    if (tagName == "Geometry3D")
    {
      Geometry3D::Pointer restoredGeometry = Geometry3DToXML::FromXML(currentElement);
      if (restoredGeometry.IsNotNull())
      {
        int timeStep(-1);
        if (TIXML_SUCCESS != currentElement->QueryIntAttribute("TimeStep", &timeStep))
        {
          timeStep = indexForUnlabeledTimeStep--; // decrement index for next one
          MITK_WARN << "Found <Geometry3D> without 'TimeStep' attribute in <ProportionalTimeGeometry>. No guarantees "
                       "on order anymore.";
        }

        if (allReadGeometries.count(static_cast<TimeStepType>(timeStep)) > 0)
        {
          MITK_WARN << "Found <Geometry3D> tags with identical 'TimeStep' attribute in <ProportionalTimeGeometry>. No "
                       "guarantees on order anymore.";
        }

        allReadGeometries.insert(std::make_pair(static_cast<TimeStepType>(timeStep), restoredGeometry.GetPointer()));
      }
    }
    else
    {
      MITK_WARN << "Found unsupported tag <" << tagName << "> inside <ProportionalTimeGeometry>. Ignoring.";
    }
  }

  // now add all BaseGeometries that were read to a new instance
  // of ProportionalTimeGeometry
  ProportionalTimeGeometry::Pointer newTimeGeometry = ProportionalTimeGeometry::New();
  newTimeGeometry->SetFirstTimePoint(firstTimePoint);
  newTimeGeometry->SetStepDuration(stepDuration);
  newTimeGeometry->ReserveSpaceForGeometries(allReadGeometries.size());

  TimeStepType t(0);
  for (auto entry : allReadGeometries)
  {
    // We add items with newly assigned time steps.
    // This avoids great confusion when a file contains
    // bogus numbers.
    newTimeGeometry->SetTimeStepGeometry(entry.second, t++);
  }

//.........这里部分代码省略.........