CV_64FC1はdoubleに対応し、CV_32FC1はfloatに対応します

Cv_64fc1 Corresponds Double

cv::Mat points = cv::Mat::zeros(originalPoints.size(), 3, CV_64FC1) for (int i = 0 i < originalPoints.size() ++i) { points.at<double>(i, 0) = 10 * (originalPoints[i].x + 1) points.at<double>(i, 1) = 10 * (originalPoints[i].y + 1) points.at<double>(i, 2) = 10 * (originalPoints[i].z + 1) }