Function Math_smooth_curve

Code/Source/PythonAPI/Math_PyModule.cxx:565–610

");

static PyObject *
Math_smooth_curve(PyObject *self, PyObject *args)
{
  auto api = PyUtilApiFunction("Oiii", PyRunTimeErr, __func__);
  int numInterpPoints = 0;
  int closed = 0;
  int numModes = 0;

  PyObject *pointsArg;
  if (!PyArg_ParseTuple(args, api.format,  &pointsArg, &closed, &numModes, &numInterpPoints)) {
      return api.argsError();
  }

  // Get an array of points from the pointsArgs list.
  int dim = 3;
  auto pts = GetPointsFromList(api, pointsArg, dim, "points");
  if (pts == nullptr) {
      return nullptr;
  }
  int nlistpts = PyList_Size(pointsArg);

  // Smooth the curve.
  //
  auto mathObj = cvMath();
  double **outPts = NULL;
  if (mathObj.smoothCurve(pts, nlistpts, closed, numModes, numInterpPoints, &outPts) == SV_ERROR) {
      mathObj.deleteArray(pts,nlistpts,dim);
      api.error("Error soothing the curve.");
      return nullptr;
  }

  // create result string
  char r[2048];
  PyObject *pylist=PyList_New(numInterpPoints);
  for (int i = 0; i < numInterpPoints; i++) {
      r[0] = '\0';
      sprintf(r,"%.6le %.6le %.6le",outPts[i][0],outPts[i][1],outPts[i][2]);
      PyObject *rr=PyBytes_FromString(r);
      PyList_SET_ITEM(pylist, i, rr);
  }

  mathObj.deleteArray(pts,nlistpts,dim);
  mathObj.deleteArray(outPts,numInterpPoints,dim);

  return pylist;
}


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