Create README.md

README.md

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+---
+language:
+- de
+- en
+tags:
+- engineering
+- ocr
+- cad
+- civil-engineering
+- structural-engineering
+- dataset
+- reinforced concrete
+- structural engineering
+- engineering drawings
+- construction details
+- beams reinforcement
+- bim dataset
+- ai training data
+- ocr dataset
+- cad drawings
+- technical plan
+- 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.
+
+--------------------------------------------------
+1. Dataset Metadata
+--------------------------------------------------
+dataset_name: RC_Beams_Dataset_V1
+dataset_version: V1
+element_type: Reinforced concrete beams
+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