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The dataset generation failed
Error code: DatasetGenerationError
Exception: ArrowNotImplementedError
Message: Cannot write struct type '_format_kwargs' with no child field to Parquet. Consider adding a dummy child field.
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1831, in _prepare_split_single
writer.write_table(table)
File "/usr/local/lib/python3.12/site-packages/datasets/arrow_writer.py", line 712, in write_table
self._build_writer(inferred_schema=pa_table.schema)
File "/usr/local/lib/python3.12/site-packages/datasets/arrow_writer.py", line 757, in _build_writer
self.pa_writer = pq.ParquetWriter(
^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/pyarrow/parquet/core.py", line 1070, in __init__
self.writer = _parquet.ParquetWriter(
^^^^^^^^^^^^^^^^^^^^^^^
File "pyarrow/_parquet.pyx", line 2363, in pyarrow._parquet.ParquetWriter.__cinit__
File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
pyarrow.lib.ArrowNotImplementedError: Cannot write struct type '_format_kwargs' with no child field to Parquet. Consider adding a dummy child field.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1847, in _prepare_split_single
num_examples, num_bytes = writer.finalize()
^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/arrow_writer.py", line 731, in finalize
self._build_writer(self.schema)
File "/usr/local/lib/python3.12/site-packages/datasets/arrow_writer.py", line 757, in _build_writer
self.pa_writer = pq.ParquetWriter(
^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/pyarrow/parquet/core.py", line 1070, in __init__
self.writer = _parquet.ParquetWriter(
^^^^^^^^^^^^^^^^^^^^^^^
File "pyarrow/_parquet.pyx", line 2363, in pyarrow._parquet.ParquetWriter.__cinit__
File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
pyarrow.lib.ArrowNotImplementedError: Cannot write struct type '_format_kwargs' with no child field to Parquet. Consider adding a dummy child field.
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1455, in compute_config_parquet_and_info_response
parquet_operations = convert_to_parquet(builder)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1054, in convert_to_parquet
builder.download_and_prepare(
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 894, in download_and_prepare
self._download_and_prepare(
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 970, in _download_and_prepare
self._prepare_split(split_generator, **prepare_split_kwargs)
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1702, in _prepare_split
for job_id, done, content in self._prepare_split_single(
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1858, in _prepare_split_single
raise DatasetGenerationError("An error occurred while generating the dataset") from e
datasets.exceptions.DatasetGenerationError: An error occurred while generating the datasetNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
_data_files list | _fingerprint string | _format_columns list | _format_kwargs dict | _format_type null | _output_all_columns bool | _split null |
|---|---|---|---|---|---|---|
[
{
"filename": "data-00000-of-00106.arrow"
},
{
"filename": "data-00001-of-00106.arrow"
},
{
"filename": "data-00002-of-00106.arrow"
},
{
"filename": "data-00003-of-00106.arrow"
},
{
"filename": "data-00004-of-00106.arrow"
},
{
"filename": "data-00005-of-00106.arrow"
},
... | 12730f909768592a | [
"grain_labels",
"max_grain_size",
"mean_grain_size",
"num_grains",
"simulation_has_orientations",
"simulation_id",
"timestep"
] | {} | null | false | null |
[
{
"filename": "data-00000-of-00007.arrow"
},
{
"filename": "data-00001-of-00007.arrow"
},
{
"filename": "data-00002-of-00007.arrow"
},
{
"filename": "data-00003-of-00007.arrow"
},
{
"filename": "data-00004-of-00007.arrow"
},
{
"filename": "data-00005-of-00007.arrow"
},
... | 26ac32a25db3d1d0 | [
"grain_labels",
"max_grain_size",
"mean_grain_size",
"num_grains",
"simulation_has_orientations",
"simulation_id",
"timestep"
] | {} | null | false | null |
[
{
"filename": "data-00000-of-00141.arrow"
},
{
"filename": "data-00001-of-00141.arrow"
},
{
"filename": "data-00002-of-00141.arrow"
},
{
"filename": "data-00003-of-00141.arrow"
},
{
"filename": "data-00004-of-00141.arrow"
},
{
"filename": "data-00005-of-00141.arrow"
},
... | 1870f5096ca9f66c | [
"grain_labels",
"max_grain_size",
"mean_grain_size",
"num_grains",
"scale",
"simulation_has_orientations",
"simulation_id",
"timestep"
] | {} | null | false | null |
[
{
"filename": "data-00000-of-00527.arrow"
},
{
"filename": "data-00001-of-00527.arrow"
},
{
"filename": "data-00002-of-00527.arrow"
},
{
"filename": "data-00003-of-00527.arrow"
},
{
"filename": "data-00004-of-00527.arrow"
},
{
"filename": "data-00005-of-00527.arrow"
},
... | 0afe75a3298b515f | [
"boundaries",
"boundary_length",
"grain_labels",
"max_grain_size",
"mean_grain_size",
"num_grains",
"simulation_has_orientations",
"simulation_id",
"timestep"
] | {} | null | false | null |
YAML Metadata Warning:empty or missing yaml metadata in repo card
Check out the documentation for more information.
Grain Growth Dataset for Topological Data Analysis
This dataset contains grain growth simulations for studying microstructure evolution and topological features.
Dataset Configurations
minimal
Full resolution grain labels with basic statistics
- Train: 41140 examples
- Val: 5142 examples
- Test: 5143 examples
minimal_exploration
Downsampled 200×200 for rapid prototyping
- Train: 41140 examples
- Val: 5142 examples
- Test: 5143 examples
Quick Start
from datasets import load_dataset
# Load dataset
dataset = load_dataset("your-repo/grain-growth", "minimal", streaming=True)
# Process examples
for example in dataset['train']:
labels = example['grain_labels']
# Compute features as needed
boundaries = extract_grain_boundaries(labels)
See the main dataset card for detailed usage examples and feature descriptions.
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