Welcome! This is the documentation for ezdxf release 0.9, last updated May 30, 2019.

Note

Python 2 support REMOVED, ezdxf >= v0.9 requires at least Python 3.5

Quick-Info

• ezdxf is a Python package to create new DXF files and read/modify/write existing DXF files
• the intended audience are developers
• requires at least Python 3.5
• OS independent
• additional required packages: pyparsing
• MIT-License
• read/write/new support for DXF versions: R12, R2000, R2004, R2007, R2010, R2013 and R2018
• additional read support for DXF versions R13/R14 (upgraded to R2000)
• additional read support for older DXF versions than R12 (upgraded to R12)
• preserves third-party DXF content
• additional Fast DXF R12 File/Stream Writer, that creates just an ENTITIES section with support for the basic DXF entities

Website

https://ezdxf.mozman.at/

Documentation

Documentation of development version at https://ezdxf.mozman.at/docs

Documentation of latest release at http://ezdxf.readthedocs.io/

Source Code: http://github.com/mozman/ezdxf.git

Issue Tracker at GitHub: http://github.com/mozman/ezdxf/issues

Questions and Feedback at Google Groups

https://groups.google.com/d/forum/python-ezdxf

Contents

• Introduction
  • What is ezdxf
  • What ezdxf is NOT
  • Supported Python Versions
  • Supported Operating Systems
  • Supported DXF Versions
  • Embedded DXF Information of 3rd Party Applications
  • License
• Tutorials
  • Tutorial for Getting Data from DXF Files
  • Tutorial for Creating Simple DXF Drawings
  • Tutorial for Layers
  • Tutorial for Blocks
  • Tutorial for LWPolyline
  • Tutorial for Text
  • Tutorial for MText
  • Tutorial for Spline
  • Tutorial for Polyface
  • Tutorial for Mesh
  • Tutorial for Hatch
  • Tutorial for Hatch Pattern Definition
  • Tutorial for Image and ImageDef
  • Tutorial for Underlay and UnderlayDefinition
  • Tutorial for Linetypes
  • Tutorial for Complex Linetypes
  • Tutorial for OCS/UCS Usage
• Reference
  • Drawing
  • Tables
  • Layouts
  • Entities
  • Blocks
  • Groups
  • Objects
  • Data Query
  • Fast DXF R12 File/Stream Writer
  • Math Utilities
  • Tag Data Structures
• Rendering
  • Spline
  • R12Spline
  • Bezier
  • EulerSpiral
  • Forms
  • MeshBuilder
  • MeshVertexMerger
• Add-ons
  • MText
  • Table
  • Import data from other DXF drawings
  • Showcase Forms
• Howto
  • Set/Get Header Variables
  • Set DXF Drawing Units
  • Get/Set block reference attributes
  • Create More Readable DXF Files (DXF Pretty Printer)
  • Adding New XDATA to Entity
  • A360 Viewer Problems
  • Show IMAGES/XREFS on Loading in AutoCAD
• DXF Internals
  • DXF File Encoding
  • DXF Tags
  • Handles
  • DXF File Structure
  • Minimal DXF Content
  • Coordinate Systems
  • HEADER Section
  • CLASSES Section
  • TABLES Section
  • BLOCKS Section
  • ENTITIES Section
  • OBJECTS Section
  • Data Model
  • Block Management Structures
  • Layout Management Structures
  • Object Coordinate System (OCS)

Indices and tables

• Index
• Search Page