Rock - Photogrammetry based Environment Texture

Easy and fun to make photogrammetry based PBR environment texture. I love the way that surface is constructed.
Huge differences in height caused color stretches on few edges which were easily fixed using 'Heal Brush' in Photoshop. Stretches could be avoided but I prefer to save reconstruction time (about 20 times) by reconstruct geometry as 'Height Field' and fix things like these later using Photoshop or Painter in just few minutes. 9.5 mln model was reconstructed from 59 images. As shooting form distance I set focal length 70mm. To compensate texture depth differences and make sure I have no depth blur I set aperture to f/11.