Method FunctionValues

Common/DataModel/vtkGenericInterpolatedVelocityField.cxx:54–89

Evaluate u,v,w at x,y,z,t

static int tmp_count = 0;
// Evaluate u,v,w at x,y,z,t
int vtkGenericInterpolatedVelocityField::FunctionValues(double* x, double* f)
{
  vtkGenericDataSet* ds;
  if (!this->LastDataSet && !this->DataSets->empty())
  {
    ds = (*this->DataSets)[0];
    this->LastDataSet = ds;
  }
  else
  {
    ds = this->LastDataSet;
  }
  int retVal = this->FunctionValues(ds, x, f);
  if (!retVal)
  {
    tmp_count = 0;
    for (DataSetsTypeBase::iterator i = this->DataSets->begin(); i != this->DataSets->end(); ++i)
    {
      ds = *i;
      if (ds && ds != this->LastDataSet)
      {
        this->ClearLastCell();
        retVal = this->FunctionValues(ds, x, f);
        if (retVal)
        {
          this->LastDataSet = ds;
          return retVal;
        }
      }
    }
    this->ClearLastCell();
    return 0;
  }
  tmp_count++;
  return retVal;
}

const double vtkGenericInterpolatedVelocityField::TOLERANCE_SCALE = 1.0E-8;