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Need Photoshop help-PLEASE

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#1

Can any one tell me how I can save my set up on Photoshop 6 so the new document details stay the same and I don’t have to change the page size each time.
eg.I press new doc. and when the pallet opens it says ‘1024’ by ‘735’ by 72 dpi where my last page I made was ‘1024’ by ‘768’ by 300dpi.
Can any one help.

The second question is when I open a new document and I make it 102476872dpi what is the difference if I make it1024768300dpi.I can see the page gets bigger but if I save it as jpeg does the 300dpi page look clearer than the 72dpi or is it just a bigger page?

Sorry for the stupid questions but I’m still relitively new to digital art.

#2

Not sure about your first question, but I will look into it.

I’ll take a stab at the second one.

First of all, some definitions

DPI - Dots per inch. More accurately referes to printer resolution. Tradition (Desktop) printing creates a dot pattern to reproduce an image. The more dots per inch, the more detail you can have. Things have changed slightly with new printers, but the concept is the same (If it is not, I will be corrected by someone).

PPI - Pixels per inch. Referes to digital resolution and is the term Photoshop uses. Current monitors have a resolution of 72 ppi, so in order to show all the pixels in a 300ppi image, the image will appear larger on screen.

Photoshop shows you the image size in both ways. When you pull down from Image>Image Size, the box you get shows the Pixel dimensions on the top and the print size below.

Now that I have gone into detail that may be wrong or misleading, I will directly answer your question. The 300 dpi has the ability to be clearer, because you have more pixels to work with. Meaning more detail is possible. On the monitor it will be larger, but on a printer it will be the same size as the 72 dpi image, but with more detail.

If you are doing things for the web, you may want to stick with 72 dpi. That way you can be sure of the size. Other people with start with a higher resolution and knock it down to 72 when they are ready for web display. For printing purposes, you need to be aware of the printer you are printing to. Your local print shop can give you the specs they need for optimum printing. For laser and inkjet printing, I have not found a need for anything higher than 300 dpi, and that sometimes is overkill. For commercial printing you may have to deal woth something called Line Screen, and recommended resolutions will be calculated against that. Many numbers get thrown around on this one, but the most common one I hear is:

Resolution=2x line screen. So if you are printing to 133 ls, your maximum resolution should be 266 dpi. In my industry, we print to a 100 ls on newsprint and use:

Resolution=1.44x line screen. so Our maximum resolution is 144 dpi.

There are some members who are printers and can give you more accurate info. In fact, I think there is a link on this. Let me look…

Look here: http://www.pixolator.com/zbc-bin/ultimatebb.cgi?ubb=get_topic&f=1&t=000671&p=2
But also check out the other links under Quick Links

There is a section near the bottom on Resolution.

-kaz

#3

Thank you once again for your help Kaz

#4

syco.

when you create a new document in photoshop that becomes the default document size. It wont change.

However if you copy something to the clipboard then even if you don’t do anything with it, that then becomes the new default document size.

If you want to create a new document that has the same dimensions as a document that is already open, then when you click new document you will notice that the Windows on the menu bar at the top is not greyed out. This is because you can select any open document from the list and this will transfer the size and colour mode to the parameters in the ‘new’ dialog box, this is a handy and little known tip and often can save you having to write all the numbers down.