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DATASET_INFO_TEMPLATE.json

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+{
+  "dataset_name": "RC_Walls_V1",
+  "dataset_version": "V1",
+  "element_type": "Reinforced Concrete Walls",
+  "pdf_count": 25,
+  "png_count": 25,
+  "description": "High-resolution RC column drawings suitable for AI training, OCR and education.",
+  "file_format_pdf": "PDF (flattened, metadata removed)",
+  "file_format_png": "PNG 1200 DPI (clean, high-resolution)",
+  "license": "CEDL",
+  "created_by": "PN Engineering Datasets"
+  },
+  "cleaning_process": [
+    "anonymized",
+    "metadata removed",
+    "flattened",
+    "noise reduction",
+    "background cleanup"
+  ],
+  "ai_use_cases": [
+    "OCR",
+    "Vision models",
+    "BIM automation",
+    "CAD detection",
+    "LLM multimodal training"
+  ],
+  "creator": "PN Engineering Datasets",
+  "year": 2025,
+  "license": "CEDL Extended"
+}

DATASET_STRUCTURE_BLUEPRINT.txt

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+RC_Columns_V1/
+  ├── 01_PDF (25 files)
+  ├── 02_PNG (25 files)
+  ├── 03_Documentation/
+        ├── DATA_DICTIONARY
+        ├── DATA_INFO_TEMPLATE
+        ├── DATASET_STRUCTURE_BLUEPRINT
+        ├── index.csv
+        ├── LICENSE
+        ├── README

DATA_DICTIONARY.txt

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+PN Engineering Datasets
+DATA DICTIONARY – Professional Specification
+--------------------------------------------------
+
+This document defines the structure and attributes of all datasets released
+under PN Engineering Datasets.
+
+--------------------------------------------------
+1. Dataset Metadata
+--------------------------------------------------
+dataset_name: RC_Walls_Dataset_V1
+dataset_version: V1
+element_type: Reinforced concrete columns
+pdf_count: 25
+png_count: 25
+
+--------------------------------------------------
+2. File Structure
+--------------------------------------------------
+PDF files:
+• Flattened
+• Anonymous
+• Metadata removed
+• OCR-ready
+
+PNG files:
+• 1200 DPI resolution
+• Clean and uniform background
+• High contrast for Vision models
+
+Documentation files:
+• DATA_DICTIONARY
+• DATASET_INFO_TEMPLATE.json
+• DATASET_STRUCTURE_BLUEPRINT
+• INDEX.csv
+• LICENSE.txt
+• README
+
+--------------------------------------------------
+3. Drawing Contents
+--------------------------------------------------
+Each drawing may include:
+• Reinforcement layouts  
+• Longitudinal bars  
+• Stirrups/ties  
+• Sections in 1–3 views  
+• Dimensions (millimeters)  
+• Structural symbols  
+• Work stages  
+• Concrete classes  
+• Notes and detailing conventions  
+
+--------------------------------------------------
+4. Data Preparation Process
+--------------------------------------------------
+• Anonymization (project & company data removed)  
+• Noise reduction  
+• PDF flattening  
+• Cleanup of backgrounds  
+• Export to high-resolution PNG  
+
+--------------------------------------------------
+5. Machine Learning Use-Cases
+--------------------------------------------------
+• OCR model training  
+• Vision model detection of bars, symbols, dimensions  
+• Generating embeddings for engineering LLMs  
+• CAD-to-AI pipelines  
+• BIM automation  
+
+--------------------------------------------------
+6. Limitations
+--------------------------------------------------
+Not for construction use.
+For training & research only.
+
+----------------------------------------------
+7. SUPPORT
+----------------------------------------------
+
+If you have questions, need additional formats, or want a custom dataset 
+(beams, slabs, foundations, walls, steel details, construction photos, BIM sets), 
+please contact:
+
+PN Engineering Datasets
+Email: pawel.niczyporuk@gmail.com
+
+
+
+Thank you for your purchase!
+PN Engineering Datasets – 2025

LICENSE.txt

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+PN Engineering Datasets
+CEDL – Commercial Engineering Dataset License (Extended)
+
+This license applies to:
+RC_Walls_Dataset_V1
+25 PNG drawings + 25 PDF drawings
+© PN Engineering Datasets
+
+--------------------------------------------------
+1. Permissions
+--------------------------------------------------
+You MAY:
+- Use the dataset for commercial or non-commercial purposes.
+- Train AI models, machine learning systems, OCR tools, BIM tools, 
+  or any algorithm on these drawings.
+- Use the dataset internally within your company or organization.
+- Include results, metrics, screenshots, derivations, extracted data,
+  or model outputs in commercial projects.
+- Transform, annotate, or preprocess the dataset for your own workflows.
+
+--------------------------------------------------
+2. Restrictions
+--------------------------------------------------
+You MAY NOT:
+- Resell, redistribute, upload publicly, or give away the raw dataset 
+  (PNG/PDF files) in its original or slightly modified form.
+- Include the dataset in any free or paid public repository (e.g., Kaggle, 
+  HuggingFace, GitHub) unless it is significantly transformed 
+  and cannot be reconstructed.
+- Claim authorship of the original drawings.
+
+--------------------------------------------------
+3. Allowed Public Outputs
+--------------------------------------------------
+You MAY publish:
+• AI models trained on the dataset
+• Annotations, masks, bounding boxes
+• OCR outputs
+• Vectorizations
+
+4. No Warranty
+--------------------------------------------------
+Provided “as-is”. Not suitable for real-world construction use.
+
+------------------------------------------------
+5. Contact
+------------------------------------------------
+For commercial licensing, custom datasets, or bulk data acquisition:
+PN Engineering Datasets
+[pawel.niczyporuk@gmail.com]
+
+
+PN Engineering Datasets – 2025

README.txt

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+PN Engineering Datasets
+README – Professional Documentation
+--------------------------------------------------
+
+Thank you for using PN Engineering Datasets.
+This dataset contains real reinforced concrete (RC) engineering drawings
+created by a professional structural engineering office with 15+ years of experience.
+
+--------------------------------------------------
+1. Purpose of the Dataset
+--------------------------------------------------
+The dataset is designed for:
+• AI/ML training (OCR, Vision, multimodal LLMs)
+• Structural engineering education
+• BIM automation development
+• CAD/drafting learning
+• Civil engineering research
+• Dataset benchmarking
+
+--------------------------------------------------
+2. Dataset Structure
+--------------------------------------------------
+/01_PDF/   
+    Cleaned, flattened, anonymized PDF drawings
+
+/02_PNG/  
+    High-resolution PNG (1200 DPI) versions
+
+/03_Documentation/  
+    DATA_DICTIONARY, DATASET_INFO_TEMPLATE, DATASET_STRUCTURE_BLUEPRINT, JSON metadata, License, README
+
+--------------------------------------------------
+3. File Formats
+--------------------------------------------------
+PDF:
+• Flattened  
+• Metadata removed  
+• OCR-friendly  
+
+PNG:
+• 1200 DPI  
+• Clean background  
+• High contrast  
+
+--------------------------------------------------
+4. Usage Guidelines
+--------------------------------------------------
+You MAY:
+• Use for internal commercial AI training  
+• Train OCR/CV/LLM models  
+• Use in academic or enterprise research  
+• Build derived datasets/models  
+
+You MAY NOT:
+• Redistribute or resell raw files  
+• Upload raw drawings publicly  
+• Claim authorship of the original drawings  
+
+This dataset is suitable for commercial use inside your own tools, 
+models, or research workflows. Redistribution of the dataset itself 
+is not permitted — see LICENSE.txt for full details.
+
+--------------------------------------------------
+5. Software Compatibility
+--------------------------------------------------
+The dataset works with:
+• Python, OpenCV, Tesseract, PIL  
+• PyTorch / TensorFlow  
+• Roboflow  
+• All major OCR/CV frameworks  
+• Engineering & BIM automation tools  
+
+--------------------------------------------------
+6. Notes
+--------------------------------------------------
+Not intended for real construction use.  
+Provided strictly for research and training purposes.
+
+----------------------------------------------
+7. SUPPORT
+----------------------------------------------
+
+If you have questions, need additional formats, or want a custom dataset 
+(beams, slabs, foundations, walls, steel details, construction photos, BIM sets), 
+please contact:
+
+PN Engineering Datasets
+Email: pawel.niczyporuk@gmail.com
+
+
+
+Thank you for your purchase!
+PN Engineering Datasets – 2025