Keyence VE7800 Operating Procedure

Turn on the keyence ve7800, the chamber should be closed, and have partial vacuum from the last time it was operated. Turn on PC. Wait to vacuum light on the VE7800 to stop flashing. The vacuum light should be solid blue. This will take approximately 5 minutes. Press and hold the “Vacuum on/off” button for …

Creating LeafletJS tile sets in golang

I wanted to create some slippy map style imageviewers using LeafletJS from large flat images files. In order to do this you need to break the image down into tiles of 256×256 pixels and various zoom levels. There are plenty of tools to do this, but none that looked like they quite fit my application. …

Fractal Slippy Map in golang and LeafletJS

Recently I’ve been playing with golang and LeafletJS. As a small project I decided to knock together a fractal slippy map with a golang based map server which dynamically creates the fractal tile images. The whole thing can be reverse proxied via nginx to take the load off the server. The projects totals less than …