Method EvaluateFunction

Common/DataModel/vtkImplicitFunction.cxx:119–132

}

void vtkImplicitFunction::EvaluateFunction(vtkDataArray* input, vtkDataArray* output)
{
  // defend against uninitialized output datasets.
  output->SetNumberOfComponents(1);
  output->SetNumberOfTuples(input->GetNumberOfTuples());

  FunctionWorker<SimpleFunction> worker(SimpleFunction(this));
  using Dispatcher = vtkArrayDispatch::Dispatch2ByArray<vtkArrayDispatch::AllPointArrays,
    vtkArrayDispatch::AOSPointArrays>;
  if (!Dispatcher::Execute(input, output, worker))
  {
    worker(input, output); // Use vtkDataArray API if dispatch fails.
  }
}

// Evaluate function at position x-y-z and return value. Point x[3] is
// transformed through transform (if provided).