What's new?

This page lists changes to this web site that happened within a year of the most recent update.

Date Alterations
7th September 2018 Added a new page dedicated to ChocToObj.
2nd September 2018 Released ChocToObj, a utility to convert the object models used by Chocks Away to OBJ format.
30th August 2018 Another (more minor) update to 3dObjLib.
28th August 2018 A new version of 3dObjLib fixes an important corner-case in the coplanar polygon clipping code and optimises checks for polygon-in-polygon.
19th August 2018 Released a new C library for use by programs that process or generate 3D models and output the results as .OBJ files. Also released a new version of CBLibrary which features two implementations of an abstract file reader interface (for compressed and raw input).
3rd June 2018 Added the graph-drawing macros used by Schema 2 to the APDL software page.
16th April 2018 Added an incomplete document about the 3D object model format for Chocks Away.
6th January 2018 Fixed the link to download the WimpBasic application from the APDL software page. On request, updated the RMEnsure commands in applications generated by Wimp Basic.
14th December 2017 Added the final component of the Schema 2 spreadsheet application to the APDL software page.
5th December 2017 Proposed alternative arrangements for the 256 colour picker incorporated into the Paint application.
26th November 2017 Added a draw-your-own colour wheel feature and an alternative version of each colour wheel.
5th November 2017 My first experiment with HTML 5 involves colour wheels generated using Javascript and SVG.
30th October 2017 Fixed a link to Roger Frost's website.
26th October 2017 Began adding components of the Schema 2 spreadsheet application to the APDL software page.
25th October 2017 Added my colour format converter to the site map. Uploaded the remaining components of the WimpBasic development environment.
22nd October 2017 Fixed the link to Tom Hughes's WimpMon. Added some of my notes from 2010-2017 to the page of notes and essays. Created a separate index of technical documents.
21st October 2017 Got rid of the frames and updated to a new, cleaner design without background patterns. Added a page of poems.
18th October 2017 Updated my online documentation of the WimpBasic module.
15th October 2017 Released a new version of the linker/runtime library for Wimp Basic applications, including a bug fix for zero page accesses.