# YOLOv5 🚀 by Ultralytics, AGPL-3.0 license

# Global Wheat 2020 dataset http://www.global-wheat.com/ by University of Saskatchewan

# Example usage: python train.py --data GlobalWheat2020.yaml

# parent

# ├── yolov5

# └── datasets

#     └── GlobalWheat2020  ← downloads here (7.0 GB)

# Train/val/test sets as 1) dir: path/to/imgs, 2) file: path/to/imgs.txt, or 3) list: [path/to/imgs1, path/to/imgs2, ..]

path: ../datasets/GlobalWheat2020  # dataset root dir

train: # train images (relative to 'path') 3422 images

  - images/arvalis_1

  - images/arvalis_2

  - images/arvalis_3

  - images/ethz_1

  - images/rres_1

  - images/inrae_1

  - images/usask_1

val: # val images (relative to 'path') 748 images (WARNING: train set contains ethz_1)

  - images/ethz_1

test: # test images (optional) 1276 images

  - images/utokyo_1

  - images/utokyo_2

  - images/nau_1

  - images/uq_1

# Classes

names:

  0: wheat_head

# Download script/URL (optional) ---------------------------------------------------------------------------------------

download: |

  from utils.general import download, Path

  # Download

  dir = Path(yaml['path'])  # dataset root dir

  urls = ['https://zenodo.org/record/4298502/files/global-wheat-codalab-official.zip',

          'https://github.com/ultralytics/yolov5/releases/download/v1.0/GlobalWheat2020_labels.zip']

  download(urls, dir=dir)

  # Make Directories

  for p in 'annotations', 'images', 'labels':

      (dir / p).mkdir(parents=True, exist_ok=True)

  # Move

  for p in 'arvalis_1', 'arvalis_2', 'arvalis_3', 'ethz_1', 'rres_1', 'inrae_1', 'usask_1', \

           'utokyo_1', 'utokyo_2', 'nau_1', 'uq_1':

      (dir / p).rename(dir / 'images' / p)  # move to /images

      f = (dir / p).with_suffix('.json')  # json file

      if f.exists():

          f.rename((dir / 'annotations' / p).with_suffix('.json'))  # move to /annotations