This is a discussion on Producing a large banner - Adobe Tools ; John With base two exponents, one can at least see where you are coming from in your math. But you expressed it badly in the original (math) posting. 3x generally means three times, not 2^3. I mean, in your last ...
Re: Producing a large banner John
With base two exponents, one can at least see where you are coming from in your math. But you expressed it badly in the original (math) posting. 3x generally means three times, not 2^3.
I mean, in your last explanation, you used the x correctly, not the way you did in the earlier post.
Re: Producing a large banner Right. Sorry about that. Certainly there is much more flexibility working in large format vs. offset printing because of view distance. I have seen vehicle graphics with a halftone dot frequency of 25lpi, which is probably consistent with billboard printing as well. All said, a 50ppi image at 100% size would be appropriate. So, @ 1/4 size, the image resolution should be 200ppi. For a 14' x 48' billboard, the scaled file size would be 3.5' x 12' or 42" x 144" @ 57.7mb/CMYK.
Re: Producing a large banner Most important: always speak to the printer to find out what his specs are before committing to a particular pixel density or size -- or even software.
Neil
LinkBack URL
About LinkBacks