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I seem to have managed (not intentionally) to create thumbnails that are larger than the background thumbnail bar.
Is this to be expected or a bug?
Last edited by mediavets (2010-02-08 13:29:28)
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This is a side effect of the known bug announced in the beta 7 changelog.
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Adrien F wrote:
This is a side effect of the known bug announced in the beta 7 changelog.
OK - this is what you refer to?:
known bug:
* Thumbnail : if you stretch the window along width, size of thumbnail pictures will grow but not the height of the thumbnail plugin. This may cause overlapping of thumbnail pictures in some cases.
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Christian Walz in Tarantinos inglorious bastards said: "biiiiiiinngggooooo". ;-)
I support your "its a bug theory"
I took a nearly square image and added it twice to the pano in my test.
for left pano I said spherical projection
for right pano I saig planar projection.
in fact its any emxample image I took - a screenshot - so def. planar...
as you can see in my screenshots:
the left thumb is not square in format and result in preview is not planar, but the thumb overlap is normal
the right thumb is suare in format and result in preview is planar, but thumb overlap is incorrect as in your example...
Liebe Gruesse,
Georg
Last edited by gkaefer (2010-02-08 14:23:51)
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Adrien,
A related question.
What determines the aspect ratio and FOV of thumbnail images?
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Following on from my previous post...and the post from Georg...
Experimentation shows that if a tour comprises panos with different aspect ratios - for example some spherical panos plus a number of partial panos each with a different pano FOV then the thumbnails will be of different sizes and aspect ratios - whicb is plainly unacceptable for a thumbnail bar for navigation.
What plans are there to resolve this and how do you plan to resolve it?
Last edited by mediavets (2010-02-09 10:13:37)
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mediavets wrote:
What determines the aspect ratio and FOV of thumbnail images?
Thumbnail images are the same as preview images used in krpano. So for a spherical pano, FOV (vertical and horizontal) will be used to determine aspect ratio, in the case of a planar projection, the picture keep its original aspect ratio.
This is the good way if we don't want stretching of the pictures.
mediavets wrote:
for example some spherical panos plus a number of partial panos each with a different pano FOV then the thumbnails will be of different sizes and aspect ratios - which is plainly unacceptable for a thumbnail bar for navigation. What plans are there to resolve this and how do you plan to resolve it?
This is normal behavior. How do you want to represent thumbnails of panos with different aspect ratio, with the same size and aspect ratio, without stretching the images? Of course we could stretch all thumbnails to the same normalized size, but that would be, IMO, visually unacceptable.
There is two ways to overcome the actual thumbnail size problem:
* The first one is to resize each thumbnail so it fit into an invisible container, each container having the same aspect ratio:
=>No more overlapping between thumbs
=>Aspect ratio of thumbs is kept
=>this is more or less the thumbnail preview in windows (and other OS) explorer.
* The second one is to crop some part of the panoramas preview so it fit some predefined dimension and aspect ratio
=>All thumbs have same aspect ratio and same size (hence an homogeneous view in thumbnail slide)
=>No difference between full 360 and partial pano
=>No visual indices on the panorama aspect ratio : not satisfying for users doing vertical panorama (and eventually mix them with classical panos in a visit)
=>Which part of the pano should we crop? (not really an issue but I put it)
You see I long for the first one, but I agree the second one has its pros.
So here you go to tell which one could satisfy to the more general cases. And let's focus on the one which should be implemented first. We know all solution should be proposed, but this is middle/long term.
Of course you can propose other way (for the actual thumbnail model, no caroussel or other sliding thumbnail like the krpano plugin).
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Adrien F wrote:
There is two ways to overcome the actual thumbnail size problem:
* The first one is to resize each thumbnail so it fit into an invisible container, each container having the same aspect ratio:
=>No more overlapping between thumbs
=>Aspect ratio of thumbs is kept
=>this is more or less the thumbnail preview in windows (and other OS) explorer.
* The second one is to crop some part of the panoramas preview so it fit some predefined dimension and aspect ratio
=>All thumbs have same aspect ratio and same size (hence an homogeneous view in thumbnail slide)
=>No difference between full 360 and partial pano
=>No visual indices on the panorama aspect ratio : not satisfying for users doing vertical panorama (and eventually mix them with classical panos in a visit)
=>Which part of the pano should we crop? (not really an issue but I put it)
You see I long for the first one, but I agree the second one has its pros.
So here you go to tell which one could satisfy to the more general cases. And let's focus on the one which should be implemented first. We know all solution should be proposed, but this is middle/long term.
Of course you can propose other way (for the actual thumbnail model, no caroussel or other sliding thumbnail like the krpano plugin).
I am finding it hard to visualise - and thus choose - between the two options you describe.
Here are some APT preview images; can you show me what they would look like when turned into thumbnails - for the same thumbnail bar - in each of the two proposed 'styles'?
Last edited by mediavets (2010-02-11 13:35:28)
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Here are two screenshot of the possible solutions I proposed.
On the first one proportion are kept. On the second one, previews are croped.
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