CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Project Overview

This is a C# WPF application that extracts data from DWG (AutoCAD) files and processes them using AI analysis. The application has two main components:

C# WPF Application (DwgExtractorManual) - Main GUI application for DWG processing
Python Analysis Module (fletimageanalysis) - AI-powered document analysis using Gemini API

Build and Development Commands

C# Application

# Build the application
dotnet build

# Run the application  
dotnet run

# Clean build artifacts
dotnet clean

# Publish for deployment
dotnet publish -c Release

Python Module Setup

# Run the cleanup and setup script (Windows)
cleanup_and_setup.bat

# Or manually setup Python environment
cd fletimageanalysis
python -m venv venv
call venv\Scripts\activate.bat
pip install -r requirements.txt

Python CLI Usage

# Batch process files via CLI
cd fletimageanalysis
python batch_cli.py --files "file1.pdf,file2.dxf" --schema "한국도로공사" --concurrent 3 --output "results.csv"

Architecture

C# Component Structure

MainWindow.xaml.cs - Main WPF window and UI logic
Models/DwgDataExtractor.cs - Core DWG file processing using Teigha SDK
Models/ExcelDataWriter.cs - Excel output generation using Office Interop
Models/TeighaServicesManager.cs - Singleton manager for Teigha SDK lifecycle
Models/FieldMapper.cs - Maps extracted data to target formats
Models/SettingsManager.cs - Application configuration management

Python Component Structure

batch_cli.py - Command-line interface for batch processing
multi_file_processor.py - Orchestrates multi-file processing workflows
gemini_analyzer.py - AI analysis using Google Gemini API
pdf_processor.py - PDF document processing
dxf_processor.py - DXF file processing
csv_exporter.py - CSV output generation

Key Dependencies

Teigha SDK - DWG file reading and CAD entity processing (requires DLL files in specific path)
Microsoft Office Interop - Excel file generation
Npgsql - PostgreSQL database connectivity
Google Gemini API - AI-powered document analysis
PyMuPDF - PDF processing in Python component

Current Development Focus

The project is undergoing a Note Detection Refactor (see NoteDetectionRefactor.md):

Replacing fragile “horizontal search line” algorithm in DwgDataExtractor.cs
Implementing robust “vertical ray-casting” approach for NOTE content box detection
Key methods being refactored: FindNoteBox, GetAllLineSegments, TraceBoxFromTopLine

Important Notes

Teigha DLLs must be present in the specified path for DWG processing to work
The Python module requires Google Gemini API key configuration
Excel output uses COM Interop and requires Microsoft Office installation
The application supports both manual GUI operation and automated batch processing via CLI

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