Beat magic with code

Why doesn't rays_d divide his norm before converting to NDC coordinates?

1


I would like to ask how to use a given json file in a panoramic image to back-project this panoramic image to the world coordinate system. 

Panoramic images

3

I would like to ask how to use the given json file in panoramic pictures to obtain the internal and external parameters of the camera.

SDF

1

I would like to ask about the evaluation metrics and rendering code for SDF. Could you provide them?