usage: tapmap [-h] [-d D] [-c C] input_file output_file

Generate a keyboard heatmap from a text file.

positional arguments:
  input_file   the name of the file to process
  output_file  the name of the .png file to output

optional arguments:
  -h, --help   show this help message and exit
  -d D         dpi of the output image (defaults to 600)
  -c C         matplotlib cmap argument:
               https://matplotlib.org/users/colormaps.html (defaults to
               "viridis")