Release notes from POVthread

Speeding filter up

2026-02-20T13:14:50Z

Surprisingly, there is still a room for improvement!

One of internal functions of filter module was sligthtly changed, which lead to function speed increase 80-100 times, which, in turn, lead to overal filter speed increase c.a. 20%.

Among other updates, main programs input validation is getting better all the time.

Internal improvements

2026-02-09T15:14:26Z

Almost no changes visible to user (except for some minimal GUI reactions improvement) yet some valuable internal changes like reduced memory usage for "Averager" ("POV-Ray Thread" is not supposed to work with large images anyway). From developer point of view, modules got changed so that many functions became private and aren't making a mess with "help" and docs anymore.

Having a ReST

2025-11-13T10:29:06Z

ReStructuring docstrings to achive more legibility.

Validation, bugfixes

2025-11-07T05:46:42Z

Improved user input validation; fixed bug with capitalized file extensions handling.

Filter improvement

2025-10-18T07:06:44Z

In the course of selfless struggle to exterminate an elusive bug, filter module met with major two-lines change substantionally changed its logic in an uncertain situations, making this update a must.

In the meantime, several updates were introduced providing some speed increase.

Main GUI got several new keybingings for zoom 1:1, namely Ctrl+1 (like Macromedia Fireworks, hallowed by its name) and Ctrl+ALt+0 (like Adobe Photoshop).

I've got to admit it's getting better, a little better all the time

2025-10-08T16:25:41Z

Filter improvements for better resource usage and speed; some improvements in UI code.

Acceleration

2025-10-01T07:52:59Z

Export optimization, better caching. Some minor internal changes.

Maintenance

2025-09-02T08:05:54Z

Maintenance update, mostly due to PyPNM update to ver. 2.21.2.2 "Victory II", more resource saving as compared to 1.17.9.34 "Victory".

1.20.20.1 Maintenance

2025-08-19T22:03:51Z

Maintenance update, code harmonization, improved GUI, etc.

Substantial filter update

2025-08-07T11:07:27Z

Update mostly related to filter, rewritten to fully support any color mode (L, LA, RGB, RGBA). Added wrap around processing for seamless textures and options for protect alpha/filter alpha channel.

Averager.py GUI rewritten to work with new filter features, more informate "Info" added, filtered/saved status shown to mimic Photoshop/Fireworks/Paint Shop Pro.

POVRayThread.py got minimal update to cope with new filter.