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How Much Ram Do I Need?

Forum|Forum|9 years ago
November 4, 2016
4 replies
2360 views

Hello,

I am trying to design a 200x100ft banner in photoshop. The current specs I need to achieve are (200x100in at 1000DPI) with my DPI being so high my vendor can stretch the image to be 200x100ft. My problem is...........my file currently takes 2 hours to open. I have a Mac Pro (Late 2013) 3.7 GHz Quad-Core Intel Xeon E5 32 GB Ram 1600 MHz DDR3. Do I need to max out my ram at 64 or 128? Or at some point will I not be able to use more than 60gb of ram and just be wasting it?

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D Fosse

Community Expert

I don't doubt it's doable with a top-spec machine and plenty of time, the question is if it's workable, or necessary.

Just to get specific, consider what 100 ppi really means. It means each pixel is 1/4 mm in size, or to you in the non-metric world, 1/100 inch. Put a one-inch marker at the tip of your shoes, and divide it into one hundred segments. That's what we're talking about.

JJ's question is a good one. Where will you get 200 000 pixels? The highest resolution commercially available in a sensor today, is the Phase One IQ3 100MP, which will set you back roughly $50 000 (yes, that's USD fifty thousand). Its files weigh in at 11608 x 8708 pixels. That's still a lot of photomerging.

D Fosse

Community Expert

Yes, and 100 ppi is way overkill for an outdoor banner, which will be seen from far away. You're not supposed to stick your nose into it.

For this kind of thing 20-30 ppi is usually enough.

Garrett ShueAuthor

Participating Frequently

That is what I was trying to get at though. This is not like a billboard or outdoor banner that will be seen from afar. This in some cases will be applied to the floor and people will be walking on it so people will be seeing it up and close.

I am designing multiple versions of this. Some will be on walls and I will make sure to use lower DPI but for the floor Id like it to be nice.

JJMack

Community Expert

Dubai 45 gigapixels

JJMack

D Fosse

Community Expert

Garrett Shue wrote:
Hello,
I am trying to design a 200x100ft banner in photoshop. The current specs I need to achieve are (200x100in at 1000DPI) with my DPI being so high my vendor can stretch the image to be 200x100ft.

That's 200 000 pixels, which is just plain ridiculous. You can safely forget about creating this as one single file.

If this kind of resolution really is required (which I doubt), make it in segments.

Garrett ShueAuthor

Participating Frequently

Maybe I am misunderstanding something. If 200x100in at 1000dpi gets stretched to 200x100ft that would make my image 200x100ft at 100dpi. How is 100dpi too many pixels? The only reason I am making the image 1000dpi is because I need to stretch it. My vendor manually can stretch my files to meet our needs. So when I provide them with a 1000dpi image and they stretch it accordingly the image comes out crystal clear.

JJMack

Community Expert

Why in his name would you need a 200" by 100" 1000DPI banner? why do you need 20,000,000,000 pixels?

JJMack

mytaxsite

Inspiring

JJMack wrote:
Why in his name would you need a 200" by 100" 1000DPI banner? why do you need 20,000,000,000 pixels?

Big bill-boards to display political slogans?

I don't even know how to print such a big banner!!

JJMack

Community Expert

That 200" bt 100" is like 16' by 8' a 100dip image would look good printed that size. That would still be 200,000,000 which is a lot of pixels. Less may even be good.

That would need to be printed in strips. On roll paper two strips 4' wide. 100,000,000px each.

JJMack

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