Grzegorz Baran has recently shared another great photogrammetry guide.
Grzegorz Baran has recently shared another great photogrammetry guide. The artist has showed the way he created his snow-covered grass with the help of Photoscan, Substance tools, ZBrush, Photoshop and Marmoset.
Another scan but definitely a tricky one. Trying to improve final height map I decided to utilise height map data which usually sucks on seam removal stage by filtering just height detail information (used Equaliser node) and blend it together with bent normal based height map.. theoretically it should give me even better results for game purposes as I eliminate cons and keeping pros from both. Level of additional height details is controlled by blend node. Before I update my tutorial I need to proceed few more tests, as I need to be sure how it affects final results.
Capture itself was a tricky one as snow is very rare in UK and when happens, melts super fast. Usually after few hours there is just wet mud left. Also as I had just few hours window I had just one shot and had to proceed with sun trying to catch me. I failed, sun caught me but equaliser node did great job. Another change I introduced was using remote to speed up capture – it saved about 20-30% usual capture time.
Here goes the breakdown from the artist: