dwg-to-excel

# DWG to Excel Conversion ## Business Case ### Problem Statement AutoCAD DWG files contain valuable project data locked in proprietary format: - Layer structures with drawing organization - Block references with attribute data - Text annotations and dimensions - Geometric entities (lines, polylines, arcs) - External references (xrefs) Extracting this data typically requires AutoCAD licenses or complex programming. ### Solution DwgExporter.exe converts DWG files to structured Excel databases offline, without Autodesk licenses. ### Business Value - **Zero license cost** - No AutoCAD license required - **Legacy support** - Reads DWG files from 1983 to 2026 - **Data extraction** - Layers, blocks, attributes, text, geometry - **PDF export** - Generate drawings from DWG layouts - **Batch processing** - Convert thousands of DWG files ## Technical Implementation ### CLI Syntax ```bash DwgExporter.exe <input_dwg> [options] ``` ### Output Formats | Output | Description | |--------|-------------| | `.xlsx` | Excel database with all entities | | `.pdf` | PDF drawings from layouts | ### Supported Versions | Version Range | Description | |---------------|-------------| | R12 (1992) | Legacy DWG | | R14 (1997) | AutoCAD 14 | | 2000-2002 | DWG 2000 format | | 2004-2006 | DWG 2004 format | | 2007-2009 | DWG 2007 format | | 2010-2012 | DWG 2010 format | | 2013-2017 | DWG 2013 format | | 2018-2026 | DWG 2018 format | ### Examples ```bash # Basic conversion DwgExporter.exe "C:\Project...