sbi script
Browse files- SBI-16-2D.py +1 -55
SBI-16-2D.py
CHANGED
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@@ -155,58 +155,4 @@ class SBI_16_2D(datasets.GeneratorBasedBuilder):
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# Process image data from HDU index 4
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image_data_4 = hdul[4].data[:, :].tolist()
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task_instance_key_4 = f"{self.config.name}-{split}-{idx}-HDU4"
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yield task_instance_key_4, {**{"image": image_data_4}, **item}
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def make_split_jsonl_files(
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config_type="tiny", data_dir="./data", outdir="./splits", seed=42
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):
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"""
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Create jsonl files for the SBI-16-2D dataset.
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config_type: str, default="tiny"
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The type of split to create. Options are "tiny" and "full".
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data_dir: str, default="./data"
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The directory where the FITS files are located.
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outdir: str, default="./splits"
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The directory where the jsonl files will be created.
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seed: int, default=42
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The seed for the random split.
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"""
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random.seed(seed)
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os.makedirs(outdir, exist_ok=True)
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fits_files = glob(os.path.join(data_dir, "*.fits"))
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random.shuffle(fits_files)
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if config_type == "tiny":
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train_files = fits_files[:2]
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test_files = fits_files[2:3]
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elif config_type == "full":
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split_idx = int(0.8 * len(fits_files))
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train_files = fits_files[:split_idx]
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test_files = fits_files[split_idx:]
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else:
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raise ValueError("Unsupported config_type. Use 'tiny' or 'full'.")
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def create_jsonl(files, split_name):
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output_file = os.path.join(outdir, f"{config_type}_{split_name}.jsonl")
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with open(output_file, "w") as out_f:
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for file in files:
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print(file, flush=True, end="...")
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with fits.open(file, memmap=False) as hdul:
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image_id = os.path.basename(file).split(".fits")[0]
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ra = hdul["SCI"].header.get("CRVAL1", 0)
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dec = hdul["SCI"].header.get("CRVAL2", 0)
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pixscale = hdul["SCI"].header.get("CD1_2", 0.396)
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item = {
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"image_id": image_id,
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"image": file,
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"ra": ra,
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"dec": dec,
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"pixscale": pixscale,
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}
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out_f.write(json.dumps(item) + "\n")
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create_jsonl(train_files, "train")
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create_jsonl(test_files, "test")
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# Process image data from HDU index 4
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image_data_4 = hdul[4].data[:, :].tolist()
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task_instance_key_4 = f"{self.config.name}-{split}-{idx}-HDU4"
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yield task_instance_key_4, {**{"image": image_data_4}, **item}
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