Milburn

Let me introduce my latest tool: ExcelOff. It cleans up badly formed tables created by Microsoft Excel and similarly bad programs.

This tool came about because I have created a site which users can edit and add tables to through a visual editor. Unfortunately copying and pasting from Excel into this visual editor results in “tag soup”! Read the rest of this entry »

My own anaglyph maker uses PHP to make anaglyphs from two images uploaded by a user. But I’ve found someone who has gone one step further. They’ve managed to make them using JavaScript alone. Unfortunately Internet Explorer fails miserably on this task. This is because his method uses the canvas object which so far is only supported by Firefox, Safari and Opera.

It simply loads the two images into two canvas elements and extracts the red channel from one of them and inserts that red channel into the other canvas. Hey presto you get a simple anaglyph. This method has another flaw. Modifying an images data channels can only be done from an image on the same domain to obey the same domain security policy. A small proxy sorts that out but means the solution isn’t all JavaScript. Read the rest of this entry »

Do you know your PHP? If you think you do please try out the PHP quiz. This is part of a web application which I am developing. It is currently in the beta state so I would appreciate any feedback.