89 lines
3.7 KiB
Python
89 lines
3.7 KiB
Python
import generate_codecharts
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import generate_sentinels
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import os
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import string
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import random
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import json
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import matplotlib.pyplot as plt
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import numpy as np
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import base64
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import glob
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def generate_tutorials(tutorial_image_dir,rootdir,image_width,image_height,border_padding,N,target_type,target_imdir,N_sent=0):
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if not os.path.exists(tutorial_image_dir):
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raise Exception('Please include a directory of tutorial images at: %s'%(tutorial_image_dir))
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tutorial_images = []
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for ext in ('*.jpeg', '*.png', '*.jpg'):
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tutorial_images.extend(glob.glob(os.path.join(tutorial_image_dir, ext)))
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print('A total of %d images will be sampled from for the tutorials.'%(len(tutorial_images)))
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tutorial_CC_dir = os.path.join(rootdir,'tutorial_CC')
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if not os.path.exists(tutorial_CC_dir):
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os.makedirs(tutorial_CC_dir)
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tutorial_sentinel_dir = os.path.join(rootdir,'tutorial_sentinels')
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if not os.path.exists(tutorial_sentinel_dir):
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os.makedirs(tutorial_sentinel_dir)
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# make the corresponding codecharts
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data = {}
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data_with_coords = {}
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for img_num in range(N):
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filename = tutorial_images[img_num]
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codechart_filename = os.path.join(tutorial_CC_dir,'tutorial_real_CC_%d.jpg'%(img_num))
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valid_codes, coordinates = generate_codecharts.create_codechart(codechart_filename,image_width,image_height)
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data[filename] = {'valid_codes':valid_codes,'flag':'tutorial_real','codechart_file':codechart_filename}
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data_with_coords[filename] = {'valid_codes':valid_codes, 'coordinates':coordinates,\
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'flag':'tutorial_real','codechart_file':codechart_filename}
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# now generate sentinel images (also N) with their corresponding codecharts
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print('Populating %s with %d sentinel images'%(tutorial_sentinel_dir,N_sent))
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print('Populating %s with %d corresponding codecharts'%(tutorial_CC_dir,N_sent))
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for img_num in range(N_sent):
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codechart_filename = os.path.join(tutorial_CC_dir,'tutorial_sentinel_CC_%d.jpg'%(img_num))
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sentinel_filename = os.path.join(tutorial_sentinel_dir,'tutorial_sentinel_%d.jpg'%(img_num))
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D,D_full = generate_sentinels.make_sentinel(codechart_filename,sentinel_filename,\
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image_width,image_height,border_padding,target_type, target_imdir)
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D['flag'] = 'tutorial_sentinel'
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D['codechart_file'] = codechart_filename
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D_full['flag'] = 'tutorial_sentinel'
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D_full['codechart_file'] = codechart_filename
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data[sentinel_filename] = D
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data_with_coords[sentinel_filename] = D_full
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with open(os.path.join(rootdir,'tutorial.json'), 'w') as outfile:
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json.dump(data, outfile)
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print('Writing out %s'%(os.path.join(rootdir,'tutorial.json')))
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with open(os.path.join(rootdir,'tutorial_full.json'), 'w') as outfile:
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json.dump(data_with_coords, outfile)
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print('Writing out %s'%(os.path.join(rootdir,'tutorial_full.json')))
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if __name__ == "__main__":
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image_width = 1920
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image_height = 1080
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border_padding = 100 # don't put fixation cross in this region of the image
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rootdir = './task_data'
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target_type = "red_dot"
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target_imdir = ""
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tutorial_image_dir = os.path.join(rootdir,'tutorial_images')
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tutorial_images = glob.glob(os.path.join(tutorial_image_dir,'*.jpg'))
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N = len(tutorial_images)
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# assume that tutorial_images contains as many images (N) as desired for the tutorials
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generate_tutorials(tutorial_image_dir,rootdir,image_width,image_height,border_padding,N,target_type,target_imdir)
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