Datasets:
Formats:
parquet
Size:
10M - 100M
Tags:
operations-research
2d-nesting
irregular-strip-packing
geometry
graph-neural-networks
surrogate-modeling
License:
Upload README.md with huggingface_hub
Browse files
README.md
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@@ -108,6 +108,79 @@ Geometric spacing boundaries and physical placement constraints.
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## ๐ How to Load and Explore the Dataset
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Since the dataset is stored in standard Apache Parquet format, loading takes a single line of python code:
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```python
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test_df = tasks_df[tasks_df['is_test']]
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print(f"Loaded {len(tasks_df)} irregular nesting tasks:")
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print(f"
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print(f"
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print(f"
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```
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### Loading Directly from Hugging Face Hub
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You can also download or stream these relational tables directly from the Hugging Face Hub using their specific dataset configuration names:
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```python
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from datasets import load_dataset
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# Load individual tables using configuration subsets
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tasks_ds = load_dataset("clallier/nesting-tasks-2d", name="tasks")
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parts_ds = load_dataset("clallier/nesting-tasks-2d", name="parts")
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shapes_ds = load_dataset("clallier/nesting-tasks-2d", name="shapes")
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constraints_ds = load_dataset("clallier/nesting-tasks-2d", name="constraints")
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print(tasks_ds)
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```
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---
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## ๐ How to Load and Explore the Dataset
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### ๐ Exploring Directly on Hugging Face Data Studio / SQL Explorer
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You can run SQL queries directly on your browser using DuckDB over the hosted Parquet tables:
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* **Query the train dataset split from tasks table**
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```sql
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SELECT
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tasks_index,
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duration,
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efficiency,
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sheet_width,
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sheet_length,
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sheet_type,
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tasks_index,
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FROM tasks
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WHERE is_train = true
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LIMIT 500;
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```
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* **Query parts and shapes geometry for a specific task:**
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```sql
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SELECT
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p.tasks_index,
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p.part_id,
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p.shape_hash,
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s.raw AS shape_vertices,
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s.sizes AS vertex_sizes
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FROM
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parts p
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JOIN
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shapes s ON p.shape_hash = s.shape_hash
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WHERE
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p.tasks_index = 228
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ORDER BY
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p.part_id ASC;
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```
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* **Query constraints parameters for a specific task:**
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```sql
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SELECT
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tasks_index,
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type AS constraint_type,
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parts_1,
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parts_2,
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y_min,
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y_max,
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r1_start,
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r1_end,
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is_frozen
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FROM
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constraints
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WHERE
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tasks_index = 228;
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```
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### ๐ Loading via the Hugging Face Datasets Library
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You can also download or stream these relational tables directly from the Hugging Face Hub using their specific dataset configuration names:
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```python
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from datasets import load_dataset
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# Load individual tables using configuration subsets
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tasks_ds = load_dataset("clallier/nesting-tasks-2d", name="tasks")
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parts_ds = load_dataset("clallier/nesting-tasks-2d", name="parts")
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shapes_ds = load_dataset("clallier/nesting-tasks-2d", name="shapes")
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constraints_ds = load_dataset("clallier/nesting-tasks-2d", name="constraints")
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print(tasks_ds)
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```
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### ๐ Loading via Pandas
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Since the dataset is stored in standard Apache Parquet format, loading takes a single line of python code:
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```python
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test_df = tasks_df[tasks_df['is_test']]
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print(f"Loaded {len(tasks_df)} irregular nesting tasks:")
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print(f" Train instances : {len(train_df)}")
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print(f" Validation instances : {len(val_df)}")
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print(f" Test instances : {len(test_df)}")
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```
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---
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