Confused with saving and file sizes

HI THERE. IM JUST A LITTLE CONFUSED ON HOW TO SEND MY FILES. I WANT A POSTER PRINTED THAT IS 196cm height // 143cm width. WHICH IS THE SIZE OF THE DOCUMENT I MADE ON PHOTOSHOP. HOWEVER IM CONFUSED ON SAVING THIS FILE AS ITS TOO LARGE APPARANTLY AND CANNOT BE SENT BY EMAIL. IVE FLATTENED THE IMAGE AND SAVED AS A JPEG BUT ITS STILL A HUGE FILE. COULD YOU TELL ME WHERE IM GOING WRONG?? IM SO CONFUSED.

Most likely you increased the pixel count too high which inflated the file size required. An image that large is not viewed up close so you do not need to print it at a high resilution like 300Dpi. Pring an image that size at 100Dpi will be fine.
196cm x 143cm at 300dpi is 23150px by 16890px = 391,003,500px 391Mpixels
196cm x 143cm at 200dpi is 15433px by 11260px = 173,775,580px 174Mpixels
196cm x 143cm at 100dpi is 7717px by 5630px = 43,446,710px 43Mpixels
Your camera pixels are most likely nearer to 43Mpixels then to 391Mpixel intepolation can do just so much adding that many pixels will only produce a soft image anyway IMO

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So ... I did a test. I took one photo shot in the raw format (the file size was about 21 mp). I then took it into Photoshop CS5 and just saved it as a jpeg ... and the file size went to 9.9 mp. I found that to be a questionable reduction.
My image size details of the test photo is:
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5616 px x 3744 px
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All of the following are checked:
Scale Style
Constrain Proportions
Resize Image
I have selected:
Bicubic (best for smooth gradients)
I saved the photo at the highest quality setting of 12
So the Question: Is this test reduction normal or am I doing something wrong with my "save as" settings

There is no set percentage of compression, it depends on the image content. If there are layers jpeg will not save so that in itself will reduce size. Some web options even strip out metadata. So are you thinking that is too much or too little compression?
I do know that there can be significant differences in saving at image quality 9 or 10 and at 12. Try it and see what you get. For what is the correct compression it depends on the end use. For web use maybe all you need is 5.

InDesign Transparency Effects - Problems with Image Quality and File Size

Hello,
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I am trying to learn about exporting images and file size. I have a combination of RAW and JPEG images in my library. For the sake of this discussion, I am going to limit this to JPEG's. I need to export my images, so that I can then upload them to an external photo processing site like Kodak.com. I was going to export versions of my images because I have made adjustments to many of them. I was going to choose the top level preset of "JPEG - original size." For the sake of example, the file that I try exporting this way has a file size (in Aperture) of 1.94 MB. After exporting it (with a DPI of 72) and a color profile of sRGB IEC61966-2.1 (I am not sure what the significance of the DPI and color profiles are either), I get an exported image with a file size of 4.6 MB. When I export the master image, I get a file size of 2.0 MB. I'm completely confused and at a loss as to what is going on here.
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This confusion is because of the way Jpg files handle data. Jpg is a kind of file that compresses data to achieve a balance between image quality and file size. The jpg file that your camera saves to disk is also compressed, that's why the difference in size between a 2 MB jpg and the same image in Raw is for example 18 MB.
Jpg is a lossy compression format, every time you save a jpg some compression is applied, say after editing in Photoshop. Aperture must be reading your jpg masters to export jpg files to disk, so the difference in size should be the compression quantity applied to the newly created jpg file. I could have a 1 MB jpg file previously compressed with a quality level of 7, but if I export it at a compression quality of 10, the file could easily become a 2 MB file. The problem is quality doesn't increase with file size when the original file is a jpg.
Also some files include a preview image inside the file, increasing the final file size. The color profile embedded should't increase size by much, since most camera jpg files already include a color profile embedded (color profiles tells computers to display color consistently between applications and peripherals like printers. sRGB is widely used for images published on Internet).
As for the images you are sending to the archival folder, I would suggest you to export the masters, instead of exporting a new jpg file from an already compressed jpg master.
I know this is a complex subject so I hope I haven't confused you.

I print 2 pages to pdf and file size is 600k, I print 1 additonal page and file size goes to 6M, what would cause this (graphics are same on all pages)

I print 2 pages to pdf and file size is 600k, I print 1 additonal page and file size goes to 6M, what would cause this (graphics are same on all pages).
I know the colour graphic shading in the document that causes the issue of larger file size, but it doesn't make sense that printing 1 additional page with same information as first 2 pages would cause this.

I print 2 pages to pdf and file size is 600k, I print 1 additonal page and file size goes to 6M, what would cause this (graphics are same on all pages).
I know the colour graphic shading in the document that causes the issue of larger file size, but it doesn't make sense that printing 1 additional page with same information as first 2 pages would cause this.

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Dear All,
I am creating an invitation in Illustrator which I then place into photshop to create a JPEG. I want to create a high quality JPEG version of it but with a low file size because I am emailing the invitation. Am I correct in placing the image into photshop or should I export it from Illustrator.
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Can anyone help me please
Thanks
Ben

The image is built of of vectors and one JPEG but they are not high in quality.
For this type of image you would probably be better choosing GIF format (now known for some reason as 'Compuserve GIF'). Taking the number of "colors' down untl it still looks high quality, and anti-aliasing is preserved.

Pixel Dimensions and File Size

Can anybody please explain the relation between pixel dimensions and file size?
Being naive, (or straight-forward if you prefer) I had assumed that pixel dimensions wide times pix dimension high = file size. Wrong!
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Thanks Rich. It kind of sounds like you know something about this.
I see 1 pixel, and 24 bit color would make 24 bits at 8 bits to a byte, so there's the 3 bytes.
I selected a certain photo and used the APPLE i command to see if could find if it had 8 bit color or, whatever. That infomation was not on the info function, but it did say something about RGB color profile.
Is 8 bit color a near certain bet in most applications, or was that just for the sake of illustration?
I Googled 8 bit color and go to a Wikipedia Article
http://en.wikipedia.org/wiki/Color_depth
which explained a lot, but its more technical depth than what I'm prepared to deal with. The net net, as far as I can tell is that image size (before compression) is dimension times color depth in its native mode, but I suppose what the native mode is and what the displayed mode is could be separate issues?
I was under the impression that the compression in JPG formt files comes out, or is decompressed, when the photo is printed or displayed? No?

Help with Saving & Exporting Files.

Ok, so I've gone on these forums and on google trying to find a solution to this.
But none of the solutions they had given worked...And frankly making my own is easier to find. XD
But anyways.
I just got Adobe Illustrator CS3 today.
It is the portable version; I don't know if tthat would make a difference since the options are still available.
But when I try to save the image, it doesn't matter what I try to save the file as, it says an error occured and it couldn't save the file.
And now I'm trying to export it into Photoshop CS4 (Also Portable but again, all of the options are available.) so I can color it. (Its a inked drawing of a previously lead drawing.)
When I try to export it; I get a message saying I do not have enough memory to save the file. Which I have a tetrabyte hardrive that isn't even nearly full.
What's going on with saving and exporting???
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Thank you. :]

No kidding and thi character is on the forum asking for help?
BTW when you install this cracked version be aware that these very beneficent care takers of the public rights have also probably installed spyware on your computer.
Also errors etc. are expected and there is no cure except to contact those you got the sold you this stuff and even if it is free once you do they will find a way to use the spyware.
Enjoy it.
To the forum host remove this thread fro the forum.

Please suggest on Autoextend on and file size

Hi Experts,
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Thanks in advance
Regards
Veera

Hi,
OS ?
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Regards,
Bhavik G. Shroff

Why don't Grapher's Frame Limits work correctly with saved Grapher files using multiple equations on Mountain Lion?

Hi,
I generally enjoy using Grapher in OS X (I am using Mountain Lion v10.8.2). However, I have repeatedly encountered what seems to be broken basic functionality in setting the limits on the display frame (View> Frame Limits…). When opening saved Grapher files with multiple valid equations in them (equations which include constant terms defined as sets of numbers), I repeatedly get the following behavior:
1. Frame limits are not correctly saved. As in, the file opens with a different view than it was saved and closed in.
2. Frame limits no longer work as expected. For example, I might set the Y axis frame limits to be -2 to 2, but the Y axis of the frame display will run from about -1.95 to about -0.35.
3 Performance is degraded. Making a change to the frame limits (for ecxample, changing the Y frame limits to -2.2 and 5 in an attempt to display something approximating the range -2 to 2) take an inordinate amount of both processor time and clock time. The spinning ball appears and hangs out far longer than is welcome, and at times seems to hang requiring a force quit of Grapher.
These problems occur regardless of coordinate system.
Is there a solution? If I create a new file and start from scratch the problems reappear. The problems reappear across a wide range of 2D equation types.
Is Grapher simply broken in this regard?
Thanks for the input.

Bonjour Lexy-Lou,
   You are right, the bug was born with Grapher as you may read on the website
<http://y.barois.free.fr/grapher/> :
Grapher’s bugs and their remedies (OS X in French).
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For the full list of Grapher's bugs please download "Instructions for Use - Grapher" (English) or "Mode d'emploi de Grapher" (French). Quick glance at the Contents (pages 2 & 3) you'll be surprised by the possibilities of Grapher.app despite the bugs.
Enjoy,
Au revoir,
YB24

CS5 confusion about saving and previews

I'm adjusting to the recent upgrade to CS5 but have reached a hiccup. I'm on a Mac Pro (2010) with OS 10.6.4. Previously, when I've saved a file (whether it was a jpg, tiff, eps, png., psd...), a preview was created. If I double-clicked on it to open it, even if Photoshop wasn't opened, the document would open up in the native Photoshop software. Now, after saving a tif, jpg. or eps., upon double-clicking, the document opens up in the generic Macintoch preview window and will not initiate the Photoshop software. I checked my preferences for document handling and the "Always Save" in: Icon and Windows Thumbnail are checked. There is no longer a save in Macintosh Thumbnail, as in previous software versions. I hope this explains my full dilemma and that a member will see the discrepancy to help me out. Is there something I need to change that I can't recognize?
Thanks,
Al

I'm a bit confused by your explanation, is the problem that when you save the file it doesn't have a thumbnail? If so, are you running Photoshop 12.0.1? There was a fix on the 12.0.1 update to fix this.
If the problem is that when you double click on a file it doesn't open in Photoshop, then you just need to change a preference in Finder. Select the file you want (say, a .tif) and go to File>Get Info (or Command+I). On the "Open With:" option, choose Photoshop CS5 from the drop down menu. After that, click on the "Change all" button below it. You'll need to do that to all the extensions you want (.jpg, etc)
Hope this helps!

Specify exact pixel and file size

Hello,
I have recently purchased Photoshop Elements 4.0 for Windows for a company project. I need to compile a number of outdoor photographs to be uploaded to a specific website. The photo specifications required by the website are that all photos must in JPG format, be 350 pixels across and no more than 40kbs in file size. I've been experimenting with photoshop to try and achieve this effect, but am wondering if there is a simple way to accomplish this. I have been able to adjust horizontal pixel number, which automatically adjusts vertical pixel number and photo size. When I save photos, I am able to adjust what I assume is the resolution of the photo. If there is not too much color contrast in the photo, I can sometimes reduce the file size to 40kbs by taking it as low as it will go, but not always. I was just wondering if there is a simple way to make sure that a photo will be saved with a specific pixel number and no more than a certain file size (40kbs). I would greatly appreciate any suggestions.
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You can also set the pixel dimensions in S4W and save a step. Just enter the size you want in the box about halfway down the right panel, and then click Apply. Then you can optimize the file size by clicking the right-facing arrow at the upper right of the panel and choosing Optimize to file size. You can specify the exact size you want. Just watch the preview to be sure the quality is good enough at the target size.

Info window and file sizes

I've been transitioning into Lion for about half a day now and most new features are welcome. However I can't figure out why the info window displays the size of a file in bytes then displays it in Gigabytes, megabytes etc. How on earth is this easier to read? Is this perhaps a bug and not an improvement??
For Example:
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Snow Leopard: 7.07 GB on disk (7,043.......bytes)
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I suppose I could open the infowindow nib file with interface builder and swap them (the filesize templates) but a hassle...anyone else annoyed/confused with this new layout??
Thanks!
ASIDE FROM THE SMALL ANOYANCES, LION IS FANTASTIC!

typod16 wrote:
For Example:
Yes I understood the ⌘-i   part, I did not grok the copy and paste in red part.
Thanks the example pics was a great help.
In all honesty it looks the same to me as always, but I will take your word on it.
I see it as a non issue.
There are many instances of the nuances of calculating differences if you want to be pedantic:
df -h
vs
df -H
DESCRIPTION
     The df utility displays statistics about the amount of free disk space on
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     -h      "Human-readable" output. Use unit suffixes: Byte, Kilobyte,
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     -i      Include statistics on the number of free inodes.
     -k      Use 1024-byte (1-Kbyte) blocks rather than the default. Note
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             ment.

Photoshop and file sizes

I saved a file for web and devices and it says its 40kb. ok fine but then I open it in photoshop and go to image size and it claims its 300kb??
which is the real size???

If you were looking at the JPG on your hard drive then that is highly compressed. When it opens iin Photoshop you are looking at the raw data (as opposed to a Camera RAW file) which will typically be in the order of ten times the size of the JPG (according to quality settings when saved).
Wikipedia has a great article on JPG with some great graphics. I stole the Mile Stone graphics for a camera club presentation a few years back.

Confused with saving and file sizes

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