Correct normal mapping in Panda 3D from Blender
Written by Tom SF Haines   
Thursday, 08 January 2009
Edit: The stuff given below has now been integrated into the sourceforge svn repository, to be found at http://sourceforge.net/projects/chicken-export/.

Over the Christmas holiday I've made several improvements to the Chicken exporter that takes models from Blender into the .egg file format used by Panda 3D. Specifically:

1) The use of tangent maps now works by using Blenders tangents/bi-normals directly. The GUI allows you to disable this feature but I've enabled it by default as you would be mad to not use it. (See below image link)
2) I've integrated mweb's single file patch, with an interface so its use is optional. Made it default to off as most people are used to multiple files and I am not in a position to give it a proper test right now. Latter on it should probably become the default as its a preferable mode for newbies.
3) Animation details are now saved into an object property when you hit the export button and reloaded when you next run the script. This means that you don't have to re-enter the time ranges and names for your animations each time.
4) Fixed an issue with the package creation script so it works under windows.

You may get the script for blender here. My copy of the repository is here. There are a few extra test blender files plus the fix to the package creation script in there.

I've also put together an image to demonstrate the improvement of using this exporter - normal_comp.jpg. The left image is a shot of the normal mapping inside blender, the middle image is using the panda 3d generated tangents/bi-normals whilst the right image is with blenders.
Last Updated ( Sunday, 25 January 2009 )
 
Dam webhost...
Written by Tom SF Haines   
Thursday, 20 November 2008
Seems my webhost has 'blocked' .htaccess files, or at least screwed them up - found my website has been broken for some time, as my use of .htaccess files only matters when you browse off the main page. Regardless, I have switched off search engine friendly links so it now works again, though this is not ideal and certainly not permanent.

Update: Problem now solved. Though they broke it again a few days after I solved it so I had to re-solve it. They also lied about the cause of the problem. Accusing me of running Windows and having a virus that is adding .htaccess files when my problem is the deletion of .htaccess files (Followed by them disabling the ability to recreate them.), plus I'm running Linux anyway, makes there bullshit kinda obvious.
Last Updated ( Monday, 01 December 2008 )
 
Belief Propagation with Directional Statistics for solving the Shape-from-Shading problem
Written by Tom SF Haines   
Tuesday, 07 October 2008
Well, next week is the European Conference on Computer Vision, and as I am presenting there it is time to put up the relevant stuff.

Last Updated ( Monday, 01 December 2008 )
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Cyclops Release #11
Written by Tom SF Haines   
Tuesday, 23 September 2008
Well, another 6 month gap, but a lot of new features. My focus right now is entirely on my PhD - nearly every new feature here has been added on its account. Ignoring bug fixes, of which there have been a fair few, the new features, that I can think of, are:
Last Updated ( Tuesday, 23 September 2008 )
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64 bit Panda 3D, 1.5.1
Written by Tom SF Haines   
Thursday, 24 April 2008
Note: You can now get 64 bit versions from the panda 3d website - starting from 1.5.3. Saves me the effort of compiling them:-)

Not sure how this happened but I seem to be doing 64 bit versions of Panda 3D. Well, I guess I want them, so it makes sense to share. Anyway:

panda3d_1.5.1-ubuntugutsy_x86_64.deb
(Note: I've now tested the above under Hardy Heron - it works fine.)

Be warned that no sound or video playback (ffmpeg) support is available, as these have yet to be ported to 64 bit.
Last Updated ( Friday, 19 September 2008 )
 
Release #10
Written by Tom SF Haines   
Saturday, 22 March 2008
Well, its been over six months since the last update. First there was the thing alluded to in the last post, then I broke my arm (Badly, like multiple fractures and a whole load of metal badly.) and now I'm in the last year of my PhD, which makes time something of a commodity. This weekend has proved free however and I thought I'd spend some of it polishing Cyclops just enough to do another release.
Last Updated ( Saturday, 22 March 2008 )
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A weird tenticle thing, emerging from the website.