pack Top Why ??

Hello,

I’m wondering for a while now, what is the purpose of the pack top ? :confused:

allows you to split 32-bit floats into four 8-bit unsigned integers, or vice versa. 

I guess it is mainly used to process Depth and point cloud data but I don’t get the need to pack or unpack .

Thanks

xavier

The text on the 099 wiki has a bit more info:
derivative.ca/wiki099/index … e=Pack_TOP

It enables you to record a 32-bit texture stream (such as pointclouds or depth maps) into regular 8bit lossless video file formats (such as the Animation codec), and unpack those movies later to the original 32 bit depth map or point cloud, without losing any detail or accuracy in the process.

Ok, got it. thanks Idzard
and .exr sequence not really suitable for real-time playback

xavier

This might give you a bit more info on other uses as well:

elburz.io/pixel-packing/