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I am trying to copy a vector of Point2f's into a vector of Point2d's. I am unable to directly cast the Point2f elements to Point2d, as in:

  for (int i = 0 ; i < (int)vector1.size() ; i++)
  {
    vector2.push_back((cv::Point2d)vector1[i]);
  }

The usual std way does not work either.

Example: std::vector<cv::Point2d> vector2(vector1.begin(), vector1.end());