JavaScript DXF writer

Simple DXF writer.

Installing

npm install @markhhh/dxf-writer

Node.js example

const { NodeJsDrawing: Drawing } = require('@markhhh/dxf-writer');
const fs = require('fs');

async function main() {
  const stream = fs.createWriteStream(__filename + '.dxf');
  const d = new Drawing(stream);

  d.setUnits('Decimeters');
  await d.drawText(10, 0, 10, 0, 'Hello World'); // draw text in the default layer named "0"
  d.addLayer('l_green', Drawing.ACI.GREEN, 'CONTINUOUS');
  d.setActiveLayer('l_green');
  await d.drawText(20, -70, 10, 0, 'go green!');

  d.addLayer('l_yellow', Drawing.ACI.YELLOW, 'DOTTED').setActiveLayer('l_yellow');
  await d.drawCircle(50, -30, 25);

  await d.end();
  stream.end();
}

main().catch(console.error);

Example preview in LibreCAD:

Browser examples

• demo

• editor

Supported entities:

• arc
• circle
• cylinder
• ellipse
• face
• helix
• line
• line 3D
• mesh
• point
• polygon
• polyline
• polyline 3D
• spline
• text
• vertex

Supported colors:

• red
• green
• cyan
• blue
• magenta
• white

Supported units:

• Unitless
• Inches
• Feet
• Miles
• Millimeters
• Centimeters
• Meters
• Kilometers
• Microinches
• Mils
• Yards
• Angstroms
• Nanometers
• Microns
• Decimeters
• Decameters
• Hectometers
• Gigameters
• Astronomical units
• Light years
• Parsecs

Line types

3 line type out of the box (CONTINUOUS, DASHED, DOTTED) with the ability to add a custom line type.

const { BrowserFriendlyDrawing: Drawing, StringWritableStream } = require('@markhhh/dxf-writer');

let d = new Drawing(new StringWritableStream());
d.addLineType('DASHDOT', '_ . _ ', [0.5, -0.5, 0.0, -0.5]);