~dbalan/blogng unlisted

6af3ba8c8139fe99a82888ab12d8ea1babcc7906 — Dhananjay Balan 1 year, 10 months ago aa854a7
Fix links
1 files changed, 3 insertions(+), 3 deletions(-)

M blog/2019-02-23-resurracting-an-hp-7440a-plotter.markdown
M blog/2019-02-23-resurracting-an-hp-7440a-plotter.markdown => blog/2019-02-23-resurracting-an-hp-7440a-plotter.markdown +3 -3
@@ 1,6 1,6 @@
---
layout: post
title: "Resurrecting an HP 7440A plotter"
title: "Resurrecting an old plotter"
date: 2019-02-23
comments: true
tags: plotter, art, python, hardware, recurse


@@ 146,8 146,8 @@ A re-reading of the manual made us realize HP sold these functionality as an
[hardware adaptor board that plugs in the
bottom](https://support.hp.com/us-en/document/bpp01354), which we don't have.

But everything in computer graphics is a line anyway right? With some [roots of
unity](https://support.hp.com/us-en/document/bpp01354) we came up with a circle
But everything in computer graphics is a line anyway right? With some [root of
unity](http://mathworld.wolfram.com/RootofUnity.html) math, we came up with a circle
drawing routine.

<video width="600" height="450" controls>