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Help with image sizing for printing
I have CS2 and I am trying to produce a print A3 (297X420mm) from a image containing 2912 x 4368 pixels..

When I select Image size and look in the document size box it gives me an image of 1027mm x 1540mm. I then change the resolution to 300 and this changes the pixel dimensions to 3508 X 5268 and increases the pixels to 3508 x 5262..

I then go to print preview and the image is too large for the preview window(it cuts a bit of top and bottom!!!!.

If I tick the "scale to fit media" box it shrinks it to fit the window, but has margins down each side..

I guess I can choose borderless printing, but will the image loose quality?.

Some images fit spot on but some don't..

If I create a new document and use the move tool I still get a white border at top and bottom..

Sorry to be so thick about this and I am sure it's more complicated than a simple reply?.

Is there any web info that will help me with image sizing, I can't understand why do fit perfect and some don't has it anything to do with focul length?.

It appears that I am trying to increase the size of the image by (enlarging) the subjects rather than the document size..

Many thanks.

Ian..

Comments (6)

IDB wrote:.

I have CS2 and I am trying to produce a print A3 (297X420mm) from aimage containing 2912 x 4368 pixels..

When I select Image size and look in the document size box it givesme an image of 1027mm x 1540mm. I then change the resolution to 300and this changes the pixel dimensions to 3508 X 5268 and increasesthe pixels to 3508 x 5262..

I then go to print preview and the image is too large for the previewwindow(it cuts a bit of top and bottom!!!!.

If I tick the "scale to fit media" box it shrinks it to fit thewindow, but has margins down each side..

Forgive me for stating the obvious but if the image is a different shape from the paper it's not going to fit. Is it?.

The easiest way to do this isn't the Image Size dialog, it's the Crop tool. Open your image and choose the Crop tool; there's a context-sensitive toolbar at the top which invites you to enter width, height and resolution. Enter 420 mm, 297 mm, 300 dpi. Then drag the crop tool across the whole image - it will constrain to the correct shape, leaving a small strip one or both sides depending where you drag. Move the crop area to adjust the margins as needed then commit the crop. (If you were working with the original image, don't Save - keep the original.).

Now you can print the pic..

I guess I can choose borderless printing, but will the image loosequality?.

Depends on the printer. Some are not very good at feeding borderless prints accurately, some are fine. Many A3 printers will take oversize paper so you can print the A3 image on a larger sheet then trim it to size. Read the manual !!.

Is there any web info that will help me with image sizing,.

Yep, this post .

I can'tunderstand why do fit perfect and some don't has it anything to dowith focul length?.

It appears that I am trying to increase the size of the image by(enlarging) the subjects rather than the document size..

I don't really understand what you mean. Try what I've suggested then come back.....

Comment #1

I don't know whether this will help, but it seems to be on the topic. Worth a look....

Http://www.rideau-info.com/photos/printing.html.

Or here:.

Http://www.luminous-landscape.com/tutorials/instant_photoshop.shtml.

And there may be something in here that suits (I haven't viewed the tutorials).

Http://www.radiantvista.com/tutorials.

John Bandry..

Comment #2

Might want to give Qimage a try....

Http://www.ddisoftware.com/qimage/.

This program will take care of the nitty gritties for you. You just specify the print size and then drag and drop. It also allows you a lot of control if that is what you want/need..

The greatest of mankind's criminals are those who delude themselves into thinking they have done 'the right thing.'- Rayna Butler..

Comment #3

This is the way I do it..

First off I am particular about the correct composition in the camera. I use the lens and my position to get the scene the way I want it. when I get to the pc, my goal is to crop 0%. of late that is what I have been doing. or if I crop at all I crop to get the BEST pic I can from my original image. this may mean that the resultant keeper does not fit the 4x6 5x7 8x10 etc; so be it.

If the pic is framed it can be masked to cover the white anyway on all four sides. or get a good cutter and remove the extra white..

So I am not concerned in fitting an image to a size, I am only interested in getting the best final scene I can..

Besides, if one were to shoot panoramas they would not fit any preset print size; they all come out odd sizes..

Also, for prints 8x10 and smaller, I do my own printing. when you do your own the software has adjustments that you can just print what you have so that it fits on the size paper in use, keeping the original aspect ratio. you also have the choice of turning that off and it will fit it as best it can but use all, say of a 5x7, and MAKE it fit. this means it will crop something. the paper itself is say the 8x10 and that is what it stays no matter what is printed on it. you may have 2 opposite sides that have a larger white border..

I use kodakgallery.com for all my printing above 8x10. they have a similar setup to my printer software. the forced to fit a size paper can be turned on or off to suit you. I just turn it on and off on the preview and see which I like the best. they also have a picture-perfect device which makes the colors levels and contrast correct when they print it. it can be turned on or off.



I also have found this site for my panoramas. I will be trying them in the near future.http://www.jumbogiant.com/also their tips page-http://www.jumbogiant.com/services/tips.html.

"If I tick the "scale to fit media" box it shrinks it to fit the window, but has margins down each side"that is becasue your image does not match the aspect ratio of the paper.the extra white is not on all 4 sides it is on 2 opposite sides...

Comment #4

Hi,.

You say "I have CS2 and I am trying to produce a print A3 (297X420mm) from a image containing 2912 x 4368 pixels" and I suppose I ought to point out that that is 3:2 aspect ratio and A3 is nothing like it but A3 Plus will take a picture 12" x 18" and a bit of a margin (about " from memory)..

Or else you'll have to crop the picture to the same aspect ratio as A3. What that means is take the short side in pixels and multiply by the square root of 2 (about 1414) and you get a size in pixels for the longer side. On a calculator put in 2, then push the sq root button, then "x" and then the pixels of the shortest side, then the = sign..

That's a rough way of doing it and you find the printer driver or any other software involved will mess around with it and you'll get roughly what you expect....

It's a good idea to "save as" (for example) Pic 007 (a3).jpg or whatever. So you end up with the HD jammed solid with variations of all your pictures..

A great pity they don't do paper the same aspect ratio as the film and I can remember saying that 50 years or so ago and little has changed. They even make cameras with three aspect ratios available (3:2, 4:3 and 16:9) but never 1:14142135. (I'm ignoring 4"x 6" as this is a serious forum.).

But, as the woman said, life's a bitch and then you die..

Regards, David..

Comment #5

Thanks for the feedback and advise, I am sure I can work this out now..

After thinking through your comments it starts to make sense, I guess (like some others) I am guilty of just blasting out a question without giving it more thought!.

Thanks Again.

Ian..

Comment #6

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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