Function Geom_loft

Code/Source/PythonAPI/Geometry_PyModule.cxx:523–610

");

static PyObject *
Geom_loft(PyObject* self, PyObject* args, PyObject* kwargs)
{
  #ifdef dbg_Geom_loft
  std::cout << " " << std::endl;
  std::cout << "========== Geom_loft ==========" << std::endl;
  #endif

  auto api = PyUtilApiFunction("O!O!", PyRunTimeErr, __func__);
  static char *keywords[] = {"polydata_list", "loft_options", NULL};
  PyObject* objListArg;
  PyObject* loftOptsArg;

  if (!PyArg_ParseTupleAndKeywords(args, kwargs, api.format, keywords, &PyList_Type, &objListArg, &PyLoftOptionsType,
        &loftOptsArg)) {
      return api.argsError();
  }

  // Check the list of polydata curve profiles.
  auto cvPolyDataList = GetGeometryObjects(api, objListArg);
  if (cvPolyDataList.size() == 0) {
      return nullptr;
  }

  if (cvPolyDataList.size() < 2) {
      api.error("At least two profiles are needed for lofing.");
      return nullptr;
  }

  // Check that the profiles have the same number of points.
  int numProfilePoints = 0;
  for (auto const& profile : cvPolyDataList) {
      int numPoints = profile->GetVtkPolyData()->GetNumberOfPoints();
      if (numProfilePoints == 0) {
          numProfilePoints = numPoints;
      } else if (numPoints != numProfilePoints) {
          api.error("Profiles do not have the same number of points.");
          return nullptr;
      }
  }

  // Extract loft option values from the loftOptions object.
  //
  // Most of these are not used for now.
  //
  int numOutPtsInSegs = numProfilePoints;
  int numOutPtsAlongLength = LoftOptionsGetInt(loftOptsArg, LoftOptions::NUM_OUT_PTS_ALONG_LENGTH);
  int numLinearPtsAlongLength = LoftOptionsGetInt(loftOptsArg, LoftOptions::NUM_LINEAR_PTS_ALONG_LENGTH);
  int numModes = 0; /*LoftOptionsGetInt(loftOptsArg, LoftOptions::NUM_MODES); */
  int splineType = 0; /*LoftOptionsGetInt(loftOptsArg, LoftOptions::SPLINE_TYPE); */
  int useFFT = 0; /*LoftOptionsGetInt(loftOptsArg, LoftOptions::USE_FFT); */
  int useLinearSampleAlongLength = LoftOptionsGetInt(loftOptsArg, LoftOptions::USE_LINEAR_SAMPLE_ALONG_LENGTH);
  double bias = 0.0; /*LoftOptionsGetDouble(loftOptsArg, LoftOptions::BIAS); */
  double tension = 0.0; /*LoftOptionsGetDouble(loftOptsArg, LoftOptions::TENSION); */
  double continuity = 0.0; /*LoftOptionsGetDouble(loftOptsArg, LoftOptions::CONTINUITY); */

  #ifdef dbg_Geom_loft
  std::cout << "[Geom_loft] numProfilePoints:" << numProfilePoints << std::endl;