Datasets:
File size: 3,177 Bytes
c26788d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | import datasets
import h5py
import json
import os
class MyDatasetConfig(datasets.BuilderConfig):
def __init__(self, name, split_file=None, **kwargs):
super().__init__(name=name, **kwargs)
self.split_file = split_file
class MyDataset(datasets.GeneratorBasedBuilder):
BUILDER_CONFIGS = [
MyDatasetConfig(name="Arizona", split_file="Train-Test-Split/split_by_patches_Arizona_split_h5.json"),
# Add other state configs similarly
]
def _info(self):
return datasets.DatasetInfo(
description="Patch-level irrigation dataset stored as separate .h5 files",
features=datasets.Features({
"id": datasets.Value("string"),
"rgb": datasets.Array3D(shape=(None, None, 3), dtype="float32"),
"agri_index": datasets.Array2D(shape=(None, None), dtype="float32"),
"land_mask": datasets.Array2D(shape=(None, None), dtype="int8"),
"crop_mask": datasets.Array2D(shape=(None, None), dtype="int8"),
"irr_mask": datasets.Array2D(shape=(None, None), dtype="int8"),
"subirr_mask": datasets.Array2D(shape=(None, None), dtype="int8"),
"image_path": datasets.Value("string"),
"label_type": datasets.Value("string"),
"text_prompt": datasets.Value("string"),
"polygon": datasets.Value("string"),
"crs": datasets.Value("string"),
"split": datasets.Value("string"),
})
)
def _split_generators(self, dl_manager):
# Download full dataset and split JSON
data_dir = dl_manager.download_and_extract("Data/label")
split_path = dl_manager.download(self.config.split_file)
with open(split_path, "r") as f:
split_dict = json.load(f)
def get_file_paths(split_list):
return [os.path.join(data_dir, item["h5_path"].replace("Data/label/", "")) for item in split_list]
return [
datasets.SplitGenerator(name=datasets.Split.TRAIN, gen_kwargs={"files": get_file_paths(split_dict["train"])}),
datasets.SplitGenerator(name=datasets.Split.TEST, gen_kwargs={"files": get_file_paths(split_dict["test"])}),
]
def _generate_examples(self, files):
for h5_path in files:
with h5py.File(h5_path, "r") as f:
patch_id = os.path.basename(h5_path).replace(".h5", "")
yield patch_id, {
"id": patch_id,
"rgb": f["rgb"][()],
"agri_index": f["agri_index"][()],
"land_mask": f["land_mask"][()],
"crop_mask": f["crop_mask"][()],
"irr_mask": f["irr_mask"][()],
"subirr_mask": f["subirr_mask"][()],
"image_path": f.attrs["image_path"],
"label_type": f.attrs["label_type"],
"text_prompt": f.attrs["text_prompt"],
"polygon": f.attrs["polygon"],
"crs": f.attrs["crs"],
"split": f.attrs["split"],
}
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