Update README.md

PN Engineering Datasets
DATA DICTIONARY – Professional Specification
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This document defines the structure and attributes of all datasets released
under PN Engineering Datasets.

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1. Dataset Metadata
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dataset_name: RC_Beams_Dataset_V1
dataset_version: V1
element_type: Reinforced concrete beams
pdf_count: 25
png_count: 25

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2. File Structure
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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

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3. Drawing Contents
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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

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4. Data Preparation Process
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• Anonymization (project & company data removed)
• Noise reduction
• PDF flattening
• Cleanup of backgrounds
• Export to high-resolution PNG

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5. Machine Learning Use-Cases
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• OCR model training
• Vision model detection of bars, symbols, dimensions
• Generating embeddings for engineering LLMs
• CAD-to-AI pipelines
• BIM automation

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6. Limitations
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Not for construction use.
For training & research only.

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7. SUPPORT
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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

README.md

@@ -22,6 +22,10 @@ tags:
 - 1200 dpi png
 ---
 
+PN Engineering Datasets
+DATA DICTIONARY – Professional Specification
+--------------------------------------------------
+
 This document defines the structure and attributes of all datasets released
 under PN Engineering Datasets.