Fix links

This commit is contained in:
Dhananjay Balan 2019-03-09 14:43:32 -05:00
parent aa854a7618
commit 6af3ba8c81

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@ -1,6 +1,6 @@
--- ---
layout: post layout: post
title: "Resurrecting an HP 7440A plotter" title: "Resurrecting an old plotter"
date: 2019-02-23 date: 2019-02-23
comments: true comments: true
tags: plotter, art, python, hardware, recurse 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 [hardware adaptor board that plugs in the
bottom](https://support.hp.com/us-en/document/bpp01354), which we don't have. 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 But everything in computer graphics is a line anyway right? With some [root of
unity](https://support.hp.com/us-en/document/bpp01354) we came up with a circle unity](http://mathworld.wolfram.com/RootofUnity.html) math, we came up with a circle
drawing routine. drawing routine.
<video width="600" height="450" controls> <video width="600" height="450" controls>