Arnold AOV Rebuilds

• direct, indirect, emission, background
• diffuse, specular, coat, transmission, sss, volume, emission, background
• diffuse_direct, diffuse_indirect, specular_direct, specular_indirect, coat, transmission, sss, volume, emission, background

  https://docs.arnoldrenderer.com/display/A5AF3DSUG/Camera+Product+Visualization#CameraProductVisualization-CompositinginPhotoshop