#include <opencv2/core.hpp>
#include <opencv2/imgproc.hpp>
#include <opencv2/imgcodecs.hpp>

int main(int argc, const char* argv[])
{
    cv::Mat disp(cv::Size(256, 30), CV_8UC1, cv::Scalar(0));
    for(int y = 0; y < disp.rows; y++)
    {
        for(int x = 0; x < disp.cols; x++)
        {
            disp.at<uchar>(y, x) = x;
        }
    }

    cv::Mat turbo;
    cv::applyColorMap(disp, turbo, cv::COLORMAP_TURBO);
    cv::imwrite("colorscale_turbo.jpg", turbo);

    return 0;
}