[email protected] schrieb am Sonntag, 4. September 2022 um 19:35:38 UTC+2:

>
> *Pto_gen sets the projection (aka lens type) of the individual images*
> But it would be best if the project was created correctly from the 
> start... Otherwise what is the point of having the --projection=* option in 
> pto_gen? 
> Thanks for the response, but still makes no sense.
> All of the images are read as rectilinear (f0) but the project is 
> generated as equirectangular no matter what.
>
 
You are mixing things. There are 2 different projections used in the 
workflow.
* Each input image has an projection which describes the lens type of the 
used lens - this is set with pto_gen --projection=
* The remapped panorama has its own projection. This is independent of the 
projection/lens type of the input images and describes the remapping of the 
final pano. This is set by pano_modify --projection=..

Okay, during writing my answer you added more questions.

> But it would be best if the project was created correctly from the 
start... 
Define "correct"! There are several different use cases and each one needs 
a different output projection. So there is no single correct one. E.g. take 
the use case of a simple panorama by rotating the camera. In this case  
equirectangular is probably the best choice of start. But as I already 
wrote this can be easily changed with pano_modify.

>Otherwise what is the point of having the --projection=* option in 
pto_gen? 
Not everybody is using a rectilinear lens. Some are using fisheye lenses or 
want to remap equirectangular images. This information needs to be added to 
the project file and therefore this pto_gen option is needed. Only when 
*you* don't need this option, it is not superfluous.

-- 
A list of frequently asked questions is available at: 
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