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A little leeway? (Read 2231 times)
Aug 25th, 2005 at 10:53am

Craig.   Offline
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With the recent increase in the quality of digital cameras, from 2mp just 2 years ago to 8mp+ in some cases now, it is getting harder to keep pictures below the 100kb limit, while keeping the quality, i am finding no problems with shooting aircraft in the air as the little detail keeps the size low even with little compression. But shots of aircraft or just anything on the ground with alot of detail are having to be compressed alot to get it under 100kb which is ruining a good picture. While i am not asking the total 500kb to be lifted i am just wondering if we could get away with an extra 10 to 20kb on some pictures so as not to ruin a good picture.
 
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Reply #1 - Aug 25th, 2005 at 11:24am
ThePianoMan   Ex Member

 
I agree Craig, I have some nice shots of the grounds at Airventure....and I just can't get them to look good while keeping them under the limit...
 
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Reply #2 - Aug 25th, 2005 at 11:36am

Hagar   Offline
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While I tend to agree I think most people don't take enough trouble processing/saving their photos. It's quite likely they don't know how. I can get most of mine at a reasonable quality with a little careful cropping before resizing. Then experimenting with the JPEG quality when saving. This only takes a few moments for each image. I use IrfanView for processing all the photos I post here so there's no need for expensive graphics editing software. If anyone has problems, send me an example & let me see what I can do.
 

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Reply #3 - Aug 25th, 2005 at 12:16pm

eno   Offline
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Why not reduce the resolution that you take them at in the first place....  For all but the most experienced eye 2m pixels is not really that much different to 8m pixels. Plus you'll get more pics on your memory card Wink

Just an Idea.
 

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Reply #4 - Aug 25th, 2005 at 12:38pm

Craig.   Offline
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Doug, as you have seen my style of post processing isn't suited to the site in general its heavy on the filesize, i try to make the sacrifices of quality to post my photos here.
Eno, i cant reduce the resolution, for various reasons, number 1 because i need the larger size to crop edit and work with. 2 its a waste of money having a camera with 6mp if i am gonna have it set to 2mp all the time, while most here wouldn't notice, i can and in the end my photos are for me first. file space isn't a big worry for me. Remember i am using a DSLR which doesnt do the in camera processing that most digital cameras do.
I'm not asking to allow 200 or 300kb files just an assurance that we could get away with say 110kb, it just allows me to drop the compression a couple of % which makes a world of differance.
thanks guys.
 
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Reply #5 - Aug 25th, 2005 at 12:58pm

Felix/FFDS   Offline
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#1 upload your regular image to the Simviation site.

#2 upload a thumbnail (or reduced size/quality) image to the Simviation site.

Make your post with the thumbnail, and make it a clickable link to the full image (click on the thread's image and you'll open a separate window with the full image)

It's a little more work, granted, but that way it allows the thread to be within the posted forum rules, reasonably easy to load for those still with dialup connections, and *if the viewer wants*  they can call up the full size image.
 

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Reply #6 - Aug 25th, 2005 at 1:27pm

Hagar   Offline
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Quote:
#1 upload your regular image to the Simviation site.

#2 upload a thumbnail (or reduced size/quality) image to the Simviation site.

Make your post with the thumbnail, and make it a clickable link to the full image (click on the thread's image and you'll open a separate window with the full image)

That still restricts you to the 100k per image limit. I can see the guys in the Screenies forums complaining if Pete relaxed the rules just for photos. It's either all or nothing & this could cause complications.

Using the above method I see no reason you couldn't link the thumbnail to a hi-res image posted on a separate site but surely that would defeat the object. If you really can't get the images below the 100k limit try reducing the pixel width a little. 750 or 700 pixels might make all the difference.
 

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Reply #7 - Aug 25th, 2005 at 4:24pm

C   Offline
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Mmm, an interesting one...

I see where you're coming from Craig - most of my (better) photos when I edit them before posting come to around 100 to 115kb - most of my last set from Old Warden suffered from that (hence I tend to post photos with sky in the background!) - and that was with about 80% image quality at 800x600 (having already cropped the image) with Irfanview.

A 10-20kb increase wouldn't be a bad thing, and it may avoid people uploading even larger files linked by thumbnails as may well happen - as we've seen some posters (no one here I may add Wink ) find it hard enough to read the forum rules on image posting already!

*edited for spelling...

...I managed to spell post in the same way as toast!!! Grin
 
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Reply #8 - Aug 25th, 2005 at 4:28pm

pete   Offline
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Like Doug suggested - I will also take part in this :

1. Send me the image you are talking about

2. I will post it in the original format on this thread +(plus) a ACDSee (Irfanview just the same) reduced filesize & see if you can REALLY see much difference....


The difficult ones tend to be the ones with a lot of vegitation in the background (trees, etc)  - which mean a lot of pixels to create the image .....

WE tend to overlook slighly oversized images  - provided they are genuine attempts to reduce file size...... (I have seen images @ 380K that could be ACDSEE'd to 60K with a click of a button)  .... 

 

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Reply #9 - Aug 25th, 2005 at 4:32pm

Craig.   Offline
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Hi Pete, i will send you an image shortly, one that i have had problems in the past with nothing particular though. I'm not asking for 300kb images to be let through though. Thats when it becomes silly as it would take long enough to load on dial up.
Its mainly for those images with more detail as i said originally.
 
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Reply #10 - Aug 25th, 2005 at 4:50pm

Craig.   Offline
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infact to save time here is the photo as its only a temp thing.
First is the one with less compression. in PSP7 its at 10% compression 1% is 400kb in size so thats well to much.
...
Second is compressed at a level of 38% to get it under the 100k limit.
...
 
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Reply #11 - Aug 25th, 2005 at 5:39pm

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Craig - To my eyes, I can't tell the difference....

 

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Reply #12 - Aug 25th, 2005 at 5:49pm

Craig.   Offline
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couple of places to look. The flowers on both the left and right hand side are much clearer and sharper. and in general the tree's themselves are actually much crisper than in the compressed one, in the compressed one they are almost like a painting. In the end this was a bad picture to use as its not got a particular subject, but it was the best i could use for now.
Also at the very top of the picture where the train tracks end theres a concrete walkway, growing on it is some vine, its mocu more visable in the lower compression. I know its not much, but i tend to be see these things and to me they stand out like a sore thumb. I would never ask that a picture like this be allowed to have a 200kb size on here, as its just not a good picture. But its an example of the details which can be lost or gained in for instance aircraft shots on the ground.
 
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Reply #13 - Aug 25th, 2005 at 5:56pm

Hagar   Offline
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Quote:
infact to save time here is the photo as its only a temp thing.
First is the one with less compression. in PSP7 its at 10% compression 1% is 400kb in size so thats well to much.

Well Craig, I don't know what sort of monitor you have but I can't see the difference either. Mine's a bog-standard 17".

I downloaded your first shot & it's exactly 200 kb on my HD. Here it is after saving at 67% quality with IrfanView. It comes out at 99.6 kb.

...

It's a nice shot. I recognise where it was taken too. Wink
 

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Reply #14 - Aug 25th, 2005 at 6:09pm

Craig.   Offline
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Hi Doug,
firstly Thanks.
I am using a flatscreen laptop, no idea what type, just runs at 1280x800. Maybe i am just really picky but i can just see when an image isn't at all sharp.
 
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Reply #15 - Aug 25th, 2005 at 6:20pm

Hagar   Offline
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Quote:
Hi Doug,
firstly Thanks.
I am using a flatscreen laptop, no idea what type, just runs at 1280x800. Maybe i am just really picky but i can just see when an image isn't at all sharp.

Maybe the Desktop resolution makes a difference. I've always run mine at 1024x768 Hi Color (16 bit). This is fine for normal everyday purposes & some of my FS utilities don't like a higher res anyway. Everyone's photos would probably look better at the original quality but this is not necessary for posting in this forum. I think you're being a tad picky myself.
 

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Reply #16 - Aug 25th, 2005 at 6:27pm

Craig.   Offline
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lol looks that way.
I wish i could run at 1024x786. But it looks funny on my screen. Didn't really notice it was a widescreen till i got home.
 
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Reply #17 - Aug 25th, 2005 at 6:32pm

Hagar   Offline
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I don't think it's the size so much but the color resolution. I just changed mine to True Color (32 bit) & it certainly makes a difference to the photo I'm using as my Desktop wallpaper.

PS. My original res was Hi Color (16 bit). Try that.
 

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Reply #18 - Aug 25th, 2005 at 6:36pm

Craig.   Offline
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everything starts to go all weird and grainy for me at 16bit. think i shall stick to 32, unless thats what you meant?
 
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Reply #19 - Aug 25th, 2005 at 6:39pm

Hagar   Offline
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Ah well. Don't forget my PC is prehistoric. Wink

PS. Makes me wonder what my photos look like to everyone else. They look fine to me. Roll Eyes
What does this look like to you? http://www.simviation.com/lair/photos/da-hind01.jpg
 

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Reply #20 - Aug 25th, 2005 at 6:42pm

Craig.   Offline
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i think alot of it does come down to monitor type in the end. What bugs me is when people start saying there are dust spots on a picture. Now on some of my recent sunset shots i could see them clear as day, and i plan to get  cleaning kit asap. But these day time shots they are impossible to see, yet some people say, oh but if you equalise the image in photoshop. That does take viewing photos to the extreme i think:)
 
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Reply #21 - Aug 25th, 2005 at 6:54pm

Hagar   Offline
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Quote:
What bugs me is when people start saying there are dust spots on a picture. Now on some of my recent sunset shots i could see them clear as day, and i plan to get  cleaning kit asap. But these day time shots they are impossible to see, yet some people say, oh but if you equalise the image in photoshop. That does take viewing photos to the extreme i think:)

Maybe the dust spots are on their monitors. Wink Equalising the image must affect the quality. I don't mess around with any of those effects. Apart from a little enhancement where necessary what you see is what you get.

I don't worry about these things myself. I know they're not perfect but I take the photos for my own amusement. If other people like them that's fine by me.
 

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Reply #22 - Aug 25th, 2005 at 6:58pm

Craig.   Offline
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Quote:
I don't worry about these things myself. I know they're not perfect but I take the photos for my own amusement. If other people like them that's fine by me.
I'll be first in line to say i have always enjoyed your shots, its also been fun watching them get better and better over time.
I dont personally do huge amounts to my photos, generally though i have to do a bit more than a person with a normal digital camera, as like i said mine doesnt have in camera processing. The pictures usually need a little extra sharpening or brightness and colour adjustment. But i certainly dont go overboard, and like you i take for my own ammusement, but i also as i guess this topic is showing, tend to be very pickey Embarrassed
 
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Reply #23 - Aug 25th, 2005 at 7:12pm

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Quote:
It's a nice shot. I recognise where it was taken too. Wink


I recognise it as well, just down the road, did you have a good day Craig? The foundry in particular was v.impressive, but the tracks shown were a tremendous invention.
 
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Reply #24 - Aug 25th, 2005 at 7:21pm

Craig.   Offline
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hi 61. it was a good day out. Alot of interesting places to walk around. i did a number of posts in the photo forums a couple of months back now. I will look them out tomorrow and include links here.
THanks:)
 
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Reply #25 - Aug 25th, 2005 at 8:47pm

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Quote:
Ah well. Don't forget my PC is prehistoric. Wink

PS. Makes me wonder what my photos look like to everyone else. They look fine to me. Roll Eyes
What does this look like to you? http://www.simviation.com/lair/photos/da-hind01.jpg


God's gift to aviation?
 

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Reply #26 - Aug 26th, 2005 at 3:38am

eno   Offline
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I can see a difference .......... but only because it's been pointed out ........ As you've said the pics are for yourself so why worry if the quality is slightly less on here.
There  is the thumbnail option the code is easy enough and it only takes slightly longer to set up. If you do as I do and have the code in a notepad and cut and paste all you have to do is add the filenames.
 

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Reply #27 - Aug 26th, 2005 at 3:45am

Hagar   Offline
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Quote:
There  is the thumbnail option the code is easy enough and it only takes slightly longer to set up. If you do as I do and have the code in a notepad and cut and paste all you have to do is add the filenames.

As I tried to point out earlier, the thumbnail option would only be an improvement if the hi-res images they're linked to are hosted on another website. Otherwise you're still restricted by the 100k per image limit. Images over this size are regularly deleted from the server. Its only advantage is allowing more images to be posted in one thread. Most people seem to prefer the full-sized images in the post itself.

Posting lower quality images is an effective form of copyright protection. Look on them as previews. If someone wants the original in all its glory they can ask. Whether you let them have it is up to you.
 

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Reply #28 - Aug 26th, 2005 at 6:21am

Craig.   Offline
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I've always said full sizes are avaliable for anyone who wants them.
I have used the thumbnails in the past, but just to avoid posting 3 topics for a set of simmilar pictures.
while i agree the lower quality is sort of copyright protection, i also really dont care if someone does use it for something else. All i want to do is show the people here a nice picture with some of the finer details being visable.
 
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Reply #29 - Aug 26th, 2005 at 3:23pm

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Clarification: The oversized (within reason, please, no 2MEG images, etc) images can be uploaded to the SimV uploads, with the smaller image linking to it.

In the above example, Craig's "corrupted" image can be left in the thread and the "full" image can be placed in the SimV uploads, linked to from the thread.

 

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Reply #30 - Aug 26th, 2005 at 3:25pm

Craig.   Offline
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Thanks for the clarification Felix.
 
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Reply #31 - Aug 26th, 2005 at 6:28pm

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craig,

i am using a high end flat screen dell monitor plugged into a Nvidia geforce 6800 with it set to 32 bit at 1024x768. although i can see a difference in the two pics, the difference is small and not worth the extra 100kb.

in my humble opinion
 

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Reply #32 - Aug 26th, 2005 at 6:30pm

Craig.   Offline
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In this case no its not, your right. And i would never ask for an extra 100kb at any point. when i find a better example in the future, i'll see if i can point it out.
 
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