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#!/usr/bin/env python
import argparse
import os
from argaze.ArUcoMarkers import ArUcoMarkersDictionary, ArUcoBoard
def main():
"""Generates ArUco board to calibrate a camera."""
# Manage arguments
parser = argparse.ArgumentParser(description=main.__doc__)
parser.add_argument('columns', metavar='COLS_NUMBER', type=int, default=7, help='number of columns')
parser.add_argument('rows', metavar='ROWS_NUMBER', type=int, default=5, help='number of rows')
parser.add_argument('square_size', metavar='SQUARE_SIZE', type=int, default=5, help='square size in cm')
parser.add_argument('marker_size', metavar='MARKER_SIZE', type=int, default=3, help='marker size in cm')
parser.add_argument('dictionary', metavar='DICT', type=ArUcoMarkersDictionary.ArUcoMarkersDictionary, default='DICT_ARUCO_ORIGINAL', help='dictionnary name: DICT_4X4_50, DICT_4X4_100, DICT_4X4_250, DICT_4X4_1000, DICT_5X5_50, DICT_5X5_100, DICT_5X5_250, DICT_5X5_1000, DICT_6X6_50, DICT_6X6_100, DICT_6X6_250, DICT_6X6_1000, DICT_7X7_50, DICT_7X7_100, DICT_7X7_250, DICT_7X7_1000, DICT_ARUCO_ORIGINAL, DICT_APRILTAG_16h5, DICT_APRILTAG_25h9, DICT_APRILTAG_36h10, DICT_APRILTAG_36h11')
parser.add_argument('-r', '--resolution', metavar='RES', type=int, default=300, help='picture resolution in dpi')
parser.add_argument('-o', '--output', metavar='OUT', type=str, default='.', help='destination folder path')
args = parser.parse_args()
# Manage destination folder
if not os.path.exists(args.output):
os.makedirs(args.output)
print(f'{args.output} folder created')
# Create aruco board
aruco_board = ArUcoBoard.ArUcoBoard(args.columns, args.rows, args.square_size, args.marker_size, args.dictionary)
# Export aruco board as png
filepath = f'{args.output}/{aruco_board.dictionary.name}_{aruco_board.marker_size}cm_{aruco_board.columns*aruco_board.square_size}cmx{aruco_board.rows*aruco_board.square_size}cm.png'
aruco_board.save(filepath, args.resolution)
print(f'{args.columns} x {args.rows} calibration board with {args.marker_size} cm markers from {args.dictionary.name} dictionary exported into {args.output} folder.')
if __name__ == '__main__':
main()
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