Friday, October 17, 2014

APCG 493 Fall 2014 Week 9 10/17/14

     This week I continued to work on the sculpting of my tiger model. I tried to fix the back leg muscles as best as I can. I looked at some dog and lion leg muscle anatomy to get a better look at the back leg muscles but the images didn't help either. So I just decided to take some muscle groups that were working on the dog and lion images and incorporated them into my tiger's back legs and exaggerate the rest of the muscles that I couldn't see. Took me quite a while to re-sculpt the back leg because some of the muscles were curving downward toward the other side of the leg and not down, so I had to undo a lot of the muscle work and redirect the flow. I didn't quite get which sculpt tool would be best for fur, so I just went ahead with the bristol too and sculpt in the curvatures of the fur.          It turned out quite well. I also found the problems and solutions to my tiger model's normals stretching and black geometry spots. With some advice from Aaron; by importing the OBJ model of the low poly Mudbox tiger into Maya, it cleared the weird geometry stretching on my normals. Also the black geometry spots were actually missing UVs that haven't been UVed yet and so it left a void on the tiger model. I also looked at some tutorials on making specular maps which used a more refined method of pushing out the inner details and quality of the spec map. It is similar to using hue and saturation and levels to darken and sharpen out the light and darkness of the maps but with some extra things added.
     I encountered another problem with the new sculpted normals just after fixing the older sculpt normals and this time its the new one with the muscle and fur. It seems to be distorted. I might just skip to texturing the diffuse map and spec map first  then come on later to fix the normals.















I later fixed the normal map issues and was able to get the normal map working for the revised tiger sculpture.I also finished painting the diffuse map for my tiger and created a specular map too.

                                                                        Diffuse Map



                                                                        Specular Map



                                                                     Normal Map








Some of the textures for the claws and tail didn't go as I wanted it to. I left them out of the painting in Mudbox and decided to do them in Photoshop because I already had a texture for them but they look messed up as it is. I'll need to fix them again in photoshop and it that doesn't work then I'll just paint them in Mudbox.

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