PTGui stitching information

[Erki Marks]

For each panorama, I need the center point of every individual stitched image. How can I retrieve this information? Ideally, it would be included in the panorama metadata. It would be even better if there were an option to allow/deny to embed this information directly into the panorama metadata.

[Erik Krause]

Am 03.09.2025 um 13:56 schrieb Erki Marks:

> For each panorama, I need the center point of every individual stitched
> image. How can I retrieve this information?

It's in the .pts (Project) file. This file is in JSON format, which can
be read in any plain text editor and named yaw and pitch. The values are
in degrees, and map differently to different output projections
(Stitching is performed on a spherical surface). For equirectangular
360°x180° output, degrees map linearly to image dimensions, while in all
other projections some trigonometric functions are applied.

However, if f.e. viewpoint correction is used, it gets complicated,
since this uses a 5-axis model, where all values can influence the image
center position in some way.

Just out of curiosity: For what would you need those values?

--
Erik Krause
http://www.erik-krause.de

[Erki Marks]

So basically, if i use PTGui from command line like this:
 -createproject img1.jpg img2.jpg -output project.pts -template template.pts -stitchnogui project.pts

then it will create me a current project pts file with all the images yaw, pitch, roll and these are the central points of each individual images?
eg "yaw": 1.59388946485705674e-10, "pitch": -7.96944732428528368e-11, "roll": 0,

[Erki Marks]

meaning 

orientation "yaw": 1.59388946485705674e-10, "pitch": -7.96944732428528368e-11, "roll": 0,
location "vpx": 0, "vpy": 0, "vpd": 0,

[PTGui Support]

Yes that's the idea. Keep in mind that you will need a licensed copy of
PTGUi. The trial version does not output this information.

Kind regards,

Joost Nieuwenhuijse
www.ptgui.com

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