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Approximate real-world depth from 8bpc grayscale using Google ODS standard
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| # https://www.reddit.com/r/6DoF/comments/cmtez9/6dof_compositing_resources/ | |
| # Distance in Meters = Minimum Depth Distance in Meters / Greyscale Value | |
| ''' | |
| 255 = 1m | |
| 254 = 1.004m | |
| 244 = 1.04m | |
| 204 = 1.22m | |
| 127 = 1.7m | |
| 64 = 2.4m | |
| 1 = 6m | |
| 0 = 7m | |
| ''' | |
| def getGrayscaleDistance(val): | |
| returns = 0.0 | |
| maxDistance = 0.0 | |
| for i in range(1, 256): | |
| maxDistance += 1.0/i | |
| for i in range(1, val+1): | |
| returns += 1.0/i | |
| return abs(maxDistance - returns) + 1.0 | |
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