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Narrowboat Marina
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248 49 2020-12-13
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Blériot53
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Panorama canalside of narrowboat moorings.





2020-12-13
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Blériot53
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2020-12-13
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Blériot53
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That was the image, compressed courtesy of DJI, and below is the image scaled using G.I.M.P.

2020-12-13
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DowntownRDB
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Blériot53 Posted at 12-13 04:49
That was the image, compressed courtesy of DJI, and below is the image scaled using G.I.M.P.

[view_image]

Very impressive pano Blériot.  
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Blériot53
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DowntownRDB Posted at 12-13 07:35
Very impressive pano Blériot.

Thanks RDB. Not sure I like the curved transition imparted, though.
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Montfrooij
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Nice pano!
2020-12-13
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Blériot53
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I like the picture but I don't like the curved perspective.
2020-12-13
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Montfrooij
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Blériot53 Posted at 12-13 09:16
I like the picture but I don't like the curved perspective.

That is typical with a pano that is this wide.
You merge a lot of perspective in a flat image.
There are editors that can help you reduce the effect, but it will be present.
I can give the images a go in autopano giga if you have the separate files.
2020-12-13
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Depp
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Nice. Next one from the air?
2020-12-13
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Blériot53
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Depp Posted at 12-13 10:36
Nice. Next one from the air?

I may have something in the archives.....
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Blériot53
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Montfrooij Posted at 12-13 10:29
That is typical with a pano that is this wide.
You merge a lot of perspective in a flat image.
There are editors that can help you reduce the effect, but it will be present.

DAF made a comment which prompted a thought
There are three shooting modes on the P2:
Tilt Locked
FPV
Follow
Each gives a different result tried indoors doing a 3x3 pano.
I need to get out and try again in each mode to see which gives the least distorted result.
More tests when the weather breaks
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Montfrooij
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Blériot53 Posted at 12-13 12:26
DAF made a comment which prompted a thought
There are three shooting modes on the P2:
Tilt Locked

It might be a bit 'better' (or at least, different) but this is a common thing with panoramic images.
You should 'fold' the image around your head so to speak and look at it as if you are turning your head around.
Some editors let you choose a 'projection' and hence give a bit less rounded result.
Do you have the raw files still?
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Woe
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Nice
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Blériot53
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Montfrooij Posted at 12-13 10:29
That is typical with a pano that is this wide.
You merge a lot of perspective in a flat image.
There are editors that can help you reduce the effect, but it will be present.

I do have the four original files - each of which is about 8Mb.
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Blériot53
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Montfrooij Posted at 12-13 12:55
It might be a bit 'better' (or at least, different) but this is a common thing with panoramic images.
You should 'fold' the image around your head so to speak and look at it as if you are turning your head around.
Some editors let you choose a 'projection' and hence give a bit less rounded result.

They are  4 JPEG files, not RAW.
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Blériot53
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Thanks Woe
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Blériot53
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Depp Posted at 12-13 10:36
Nice. Next one from the air?

Will this do?  

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Montfrooij
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Blériot53 Posted at 12-13 23:27
They are  4 JPEG files, not RAW.

That is ok.
Can I try them out?
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Montfrooij
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Blériot53 Posted at 12-13 23:26
I do have the four original files - each of which is about 8Mb.

Nice.
I'd like to try them on autopano and seen how they look
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Blériot53
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Montfrooij Posted at 12-13 23:51
That is ok.
Can I try them out?

Yes by all means - I've uploaded them to Google Drive.
2020-12-14
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Montfrooij
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Blériot53 Posted at 12-14 00:13
Yes by all means - I've uploaded them to Google Drive.


(where is your google drive?)
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Montfrooij
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Blériot53 Posted at 12-14 00:13
Yes by all means - I've uploaded them to Google Drive.

Never mind, I was too early!
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Blériot53
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Montfrooij Posted at 12-14 00:15
Never mind, I was too early!

I've used Microsoft ICE to re-do the panorama, and altered the option to Perspective view with auto crop and it seems better



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Blériot53
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Blériot53 Posted at 12-14 00:43
I've used Microsoft ICE to re-do the panorama, and altered the option to Perspective view with auto crop and it seems better

[view_image]

But now the large file suffers from over-compression as it passes through the DJI filter
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Montfrooij
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Blériot53 Posted at 12-14 00:43
I've used Microsoft ICE to re-do the panorama, and altered the option to Perspective view with auto crop and it seems better

[view_image]

Yeah, they can stretch those images quite much.
It will affect the image quality though.

I'm working on the batch now.
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Montfrooij
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Blériot53 Posted at 12-14 00:43
I've used Microsoft ICE to re-do the panorama, and altered the option to Perspective view with auto crop and it seems better

[view_image]

This is what Autopano thinks it should make of it.
Actually it looks very nice, but you really have to think about it as something that you print out and wrap around your head so you can look left and right and see what your eyes would see in the real world.
If you make that a 'flat' image, it looks distorted (but that is just how it is with panos)

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Montfrooij
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Blériot53 Posted at 12-14 00:43
I've used Microsoft ICE to re-do the panorama, and altered the option to Perspective view with auto crop and it seems better

[view_image]

And this is how I would render it.
It is the perspective 'little planet' and with the option 'keep horizon straight' on.

As a rule of thumb : everything that runs parallel to the camera will look 'round' when you rotate the camera to make panos.
The effect is less prominent from a distance (so with a drone you sometimes can manipulate the projection enough to make it look 'sort of' straight)
But most of the time panos work 'best (with little distortion) when there are not obvious straight parts in them that run parallel to the camera.

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Montfrooij
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Finally, remember most viewers won't know if the canal is curved in reality
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Blériot53
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Montfrooij Posted at 12-14 00:45
Yeah, they can stretch those images quite much.
It will affect the image quality though.

I've scaled it down now

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Blériot53
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Montfrooij Posted at 12-14 00:50
Finally, remember most viewers won't know if the canal is curved in reality

Well it does actually curve at that point, but not as much as it appears
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Montfrooij
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I think with this type of location a panorama is nice, but it will curve a lot.
Still it is a nice way to show what a place looks like.
I personally would not use a pano here, but focus on both sides (first and last image of the batch) where you seen the canal disappear.
Or try and capture it with a drone (from further away)
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Montfrooij
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Blériot53 Posted at 12-14 00:56
Well it does actually curve at that point, but not as much as it appears

I have had a lot of tries with panos from the drone and it is always 'hard' with straight lines that run parallel to the camera.
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Blériot53
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Montfrooij Posted at 12-14 01:11
I think with this type of location a panorama is nice, but it will curve a lot.
Still it is a nice way to show what a place looks like.
I personally would not use a pano here, but focus on both sides (first and last image of the batch) where you seen the canal disappear.

Check out #17 above, which I posted at Depp's request
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DAFlys
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This one needs a little spot healing bottom centre.
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Blériot53
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DAFlys Posted at 12-14 01:13
This one needs a little spot healing bottom centre.

You noticed the grass apparently growing in the path
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Montfrooij
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Blériot53 Posted at 12-14 01:13
Check out #17 above, which I posted at Depp's request

I like that one!
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DAFlys
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Blériot53 Posted at 12-14 01:15
You noticed the grass apparently growing in the path

Yes indeed.  Easily fixed I would think.
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Blériot53
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DAFlys Posted at 12-14 01:20
Yes indeed.  Easily fixed I would think.

I think I've fiddled about with that one quite enough
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DAFlys
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Blériot53 Posted at 12-14 01:32
I think I've fiddled about with that one quite enough

Hows this?



You can play spot the difference.
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Blériot53
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You've cut the grass
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