Ork Renderer Sampling

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Hi,

I want to use the ork_renderer package to extract views of a textured 3D model. I was curious about the sampling limits and step. Taking a look at the code I find that the default values are -80° to +80°, for the limits, and 40° for the step. Where does these values come from ? Why -80 to 80 and not -180 to 180 ? Is it possible to change these values without hard coding them ?

Best regards,

Guido Manfredi