my .02's incoming. When working on items, they aren't already packed into the uv space before you move onto the next one? Since you are making packs. Why not keep them separated items separated & when you are ready to pack multiple items together in an atlas then also provide the atlas versions? or variations of atlas…
I think someone here was talking about the nexus one multi touch... http://www.engadget.com/2010/02/02/nexus-one-gets-a-software-update-enables-multitouch/
Your NM artifacts is your projecting rays in search for hi-res target going too far away and make details reflecting in each other like in mirror. And since Painter does set the distance as a value/ a share of some cubical bounding box around it's always a problem for something long and stretched. Typical workaround is…
Cookin' up some designs for my last character model of my college career. :) http://www.therealdanpeavey.com/2010/02/beginning-of-the-last-hurrah/ http://www.therealdanpeavey.com/2010/02/the-last-hurrah-concept-progress-2232010/
EarthQuake, have you seen this paper? http://graphics.berkeley.edu/papers/DeRousiers-RRR-2011-02/DeRousiers-RRR-2011-02.pdf [ame=" https://www.youtube.com/watch?v=DzudHDsMxio"]Real-Time Rough Surface Supplemental Video - YouTube[/ame]