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Permlink Replies: 14 - Pages: 1 - Last Post: 27 Jun 21, 17:04 Last Post By: JeffTucker Threads: [ Previous | Next ]
rwyeung

Posts: 5
Registered: 16-Jun-2016
picture blurred
Posted: 22 Jun 21, 13:55
 
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I am using an iMac and I am experiencing a serious bug, making the software not usable. Inside jAlbum the pictures are blurred, so are the pictures in the website produced by jAlbum. The strange thing is in jAlbum, if you magnify the picture, it become sharper. And the sharpness remains after shrinking it again. This however, does not seem to help in the website produced.

Does anyone notice the same?
RobM

Posts: 3,843
Registered: 4-Aug-2006
Re: picture blurred
Posted: 22 Jun 21, 15:22   in response to: rwyeung in response to: rwyeung
 
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We need more information, such as:
Can you provide a link to a blurry image?
What version of OS and JAlbum are you using?
How large is the original image and what format?
Is it all images in all projects?
JeffTucker

Posts: 8,127
Registered: 31-Jan-2006
Re: picture blurred
Posted: 22 Jun 21, 15:25   in response to: rwyeung in response to: rwyeung
 
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And pay no attention to how the image looks in the jAlbum Explore view. That's using a very basic rendering engine, to keep things fast. It's not intended for fine-tuning images, and has nothing to do with how it will look in the album.
rwyeung

Posts: 5
Registered: 16-Jun-2016
Re: picture blurred
Posted: 25 Jun 21, 15:24   in response to: JeffTucker in response to: JeffTucker
 
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I just published the picture here:

http://iest2.ie.cuhk.edu.hk/~whyeung/blur_picture/album/#DEFB6617-7B60-4E0E-86CD-3F9941E4514A_1_105_c.jpeg

But another bug shows up. No matter what size I set the image, it turns out to be this small. Currently set to 2000x2000.

Please take a look at this first. Thanks.
JeffTucker

Posts: 8,127
Registered: 31-Jan-2006
Re: picture blurred
Posted: 25 Jun 21, 15:30   in response to: rwyeung in response to: rwyeung
 
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Attachment ss008814.png (39.4 KB)
It appears that the original that you're using in the project is 768x1024. It doesn't matter how large you set the image bounds - jAlbum will not make the image bigger than the original.

ETA: The EXIF information on the image tells the story - see screenshot. That's the resolution of the original image. jAlbum doesn't change the EXIF data when it scales images.
JeffTucker

Posts: 8,127
Registered: 31-Jan-2006
Re: picture blurred
Posted: 25 Jun 21, 15:42   in response to: JeffTucker in response to: JeffTucker
 
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Two more things....

You're using Turtle, which is obsolete and unsupported. Switch to Tiger.

You're letting Turtle fit the image to the screen, which may result in the image being shown larger than its actual size. Browser image enlargement sometimes has very poor results - the browser has to interpolate to provide the "missing" pixels. Some browsers do better than others, but it's a roll of the dice. In this case, on my monitor, the image display defaults to 788x1040px, whereas the image is actually 768x1024px.
rwyeung

Posts: 5
Registered: 16-Jun-2016
Re: picture blurred
Posted: 26 Jun 21, 16:41   in response to: JeffTucker in response to: JeffTucker
 
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No, the original is 2560x1920.

Actually I like the old version of the Turtle the best, such as this one:

http://iest2.ie.cuhk.edu.hk/~whyeung/pic_index/Gallery_2011_HD/album/Europe/Russia/index.html

Do you have anything similar? I am a little frustrated because I cannot do what I was able to do after paying for the subscription.

Thanks.
JeffTucker

Posts: 8,127
Registered: 31-Jan-2006
Re: picture blurred
Posted: 26 Jun 21, 16:53   in response to: rwyeung in response to: rwyeung
 
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You're making this very difficult for us.

Create a test album with just one image. Choose Link to originals via scaled images. Set the Scaling method to Smooth and Standard. Set Sharpening to 0. Set the JPEG Quality to 85% (more than that makes no visible difference, and just produces oversized files). Make the album, upload it somewhere, and give us a link to it.
RobM

Posts: 3,843
Registered: 4-Aug-2006
Re: picture blurred
Posted: 26 Jun 21, 17:00   in response to: rwyeung in response to: rwyeung
 
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rwyeung wrote:
No, the original is 2560x1920.
Can you remake the test album but with image linking set to originals?

Edited by: RobM on 26 Jun 2021, 16:00
Late to the party again!
rwyeung

Posts: 5
Registered: 16-Jun-2016
Re: picture blurred
Posted: 26 Jun 21, 17:13   in response to: RobM in response to: RobM
 
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I now discovered the source of the problem. When I drag the picture from Photos and drop it in jAlbum, for some reason the resolution became lower. What I need to do instead is to first drag and drop the picture to a folder in MacOS and then drag and drop it to jAlbum. Is this a known bug?

At any rate, here is the remake:

http://iest2.ie.cuhk.edu.hk/~whyeung/blur_picture/album/index.html

I am reasonably happy with the result, and I think I can play around with it for some time. BTW, is there a way to get rid of the banner at the top (which is generated automatically but with low resolution)?

Many thanks.
RobM

Posts: 3,843
Registered: 4-Aug-2006
Re: picture blurred
Posted: 26 Jun 21, 17:18   in response to: rwyeung in response to: rwyeung
 
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rwyeung wrote:
I now discovered the source of the problem. When I drag the picture from Photos and drop it in jAlbum, for some reason the resolution became lower. What I need to do instead is to first drag and drop the picture to a folder in MacOS and then drag and drop it to jAlbum. Is this a known bug?
If you have made any edits in Photos, like cropping it, you will get the edited photo when dragging it out.
JeffTucker

Posts: 8,127
Registered: 31-Jan-2006
Re: picture blurred
Posted: 26 Jun 21, 17:44   in response to: rwyeung in response to: rwyeung
 
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rwyeung wrote:
I now discovered the source of the problem. When I drag the picture from Photos and drop it in jAlbum, for some reason the resolution became lower. What I need to do instead is to first drag and drop the picture to a folder in MacOS and then drag and drop it to jAlbum. Is this a known bug?

That's a MacProblem, which jAlbum can't fix. I believe it's what the Photos application does, by default.

BTW, is there a way to get rid of the banner at the top (which is generated automatically but with low resolution)?

See Tiger > Site > Hero.

I'm not sure why Tiger is scaling the theme/hero image to a width of only 1600px, since most monitors these days are 1920px wide. In my own skins, I'm defaulting to 2000px, and it perhaps should be even larger, to accommodate iMac 27's.
JeffTucker

Posts: 8,127
Registered: 31-Jan-2006
Re: picture blurred
Posted: 26 Jun 21, 18:45   in response to: JeffTucker in response to: JeffTucker
 
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BTW, one setting I highly recommend, to keep Tiger from showing your scaled image larger than it actually is, which often causes poor focus: Tiger > Lightbox > Control bar > Maximum enlargement, choose 1.0.
rwyeung

Posts: 5
Registered: 16-Jun-2016
Re: picture blurred
Posted: 27 Jun 21, 16:57   in response to: JeffTucker in response to: JeffTucker
 
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I am getting more and more happy with Tiger. Thank you for your guidance.

One thing I am keen to get but don't know exactly how it works. It is about showing the data of the photography (exposure, aperture, etc). I believe it should be under

Advanced > Metadata

but sometimes I get it and sometimes I don't. Please let me know the correct way to set it up.
JeffTucker

Posts: 8,127
Registered: 31-Jan-2006
Re: picture blurred
Posted: 27 Jun 21, 17:04   in response to: rwyeung in response to: rwyeung
 
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Displaying the metadata is a skin setting. The jAlbum setting you're looking at just tells whether the metadata will be made available to the skin. Whether the skin uses it or not, and how it uses it, is another matter.

Skins do this in very different ways. In Tiger, take a look at Tiger > Lightbox > Buttons > Photo data. But in, say, Neptune, look at Neptune > Metadata.

They also display that information in totally different ways. The result, in Neptune: https://jefftucker.net/neptune/maps/. Hover on the "camera" icon at lower left on any slide image.
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