On Wednesday, 27 March 2024 at 13:44:34 -0700, Venkat wrote:
> Thanks for taking a stab at this.
>
>> You don't say how you "provide the individual images". If you
>> specify the names in the order you want, you're half way there. But
>> you're using the undocumented --sort option, which imposes the same
>> sort order. What happens if you do something like this?
>>
>> pto_gen -o output.pto 4.jpg 6.jpg 8.jpg 1.jpg 2.jpg 3.jpg 7.jpg 9.jpg 5.jpg
>> 10.jpg 11.jpg
>
> The above option ( ex - pto_gen -o output.pto 1.jpg 2.jpg 3.jpg
> 4.jpg 5.jpg ) still resulted in multiple combinations to find best
> matching pair.

Yes, but there's a subtle difference: as I said,

>> That's an example of out-of-order processing; substitute your own.
>> And note the lack of the --sort option.

Your example showed the file names in alphabetical order.  My
understanding was that this isn't what you wanted.  And you missed
this important part:

>> If your images are all in the same plane, --linearmatch is probably
>> what you're looking for.

Without --linearmatch, the sequence isn't important.  Still, all of
this may be overkill:

>> I'd be interested, though, in why your processing takes so long. Is
>> this a very slow machine, or are the images very large?
>
> Average size of image - 1.56 mb, resolution - 4000 x 1600 RAM - 20
> GB.

Nothing unusual in that.  I regularly stitch much larger images.

> It was running on Windows Subsytem For Linux ( Ubuntu 22.04 ). May
> be WSL is causing slowness.

That would be my guess.  If you're running under Linux, why not use
the Linux version of Hugin?  I'm sure it gets much more developer
attention.  And then I guess you wouldn't need to do anything special
to get your images processed in a timely fashion.

If you do this, it would be good to hear from you whether it improves
performance.

Greg
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