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Maximum size

New Here ,
Mar 14, 2010

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Hello everyone! I must create a file for an advertisement sign which is long 16 meters.

The maximum size of the Illustrator file is about 5,7 meters.

They told me that I can draw a little sign with the right proportions, for example 4 meters in lenght, as long as I give a high definition (dpi) to the file.

How can I do that?

Thank you very much for your help!

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Correct answer by Jacob Bugge | Most Valuable Participant

up,

Just to receive confirmation: to set the resolution in PPI I must do it with Photoshop, is it ok? I must open the Illustrator file in Photoshop and click Image > Image size, is it right?

You may rasterize and use raster effects in Illy, and you may place images. There is no need to go to Photoshop unless you wish to change the pixel size (the combination of resolution and actual size) of images.

And if you save as PDF, you may keep everything vector as vector.

The reminder about resolution was only meant to ensure the right resolution when scaled up, if there is raster artwork involved.

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Maximum size

New Here ,
Mar 14, 2010

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Hello everyone! I must create a file for an advertisement sign which is long 16 meters.

The maximum size of the Illustrator file is about 5,7 meters.

They told me that I can draw a little sign with the right proportions, for example 4 meters in lenght, as long as I give a high definition (dpi) to the file.

How can I do that?

Thank you very much for your help!

Most Valuable Participant
Correct answer by Jacob Bugge | Most Valuable Participant

up,

Just to receive confirmation: to set the resolution in PPI I must do it with Photoshop, is it ok? I must open the Illustrator file in Photoshop and click Image > Image size, is it right?

You may rasterize and use raster effects in Illy, and you may place images. There is no need to go to Photoshop unless you wish to change the pixel size (the combination of resolution and actual size) of images.

And if you save as PDF, you may keep everything vector as vector.

The reminder about resolution was only meant to ensure the right resolution when scaled up, if there is raster artwork involved.

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Mar 14, 2010 0
Most Valuable Participant ,
Mar 14, 2010

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upthathill,

As long as you work in vector, as opposed to raster (as in JPEG, TIFF, PNG, GIF, etc) you may create the artwork in any size; it would be easier in 1.6 metres (1:10).

When you apply raster, as effects, images, rasterization, etc, you will have to set the resolution in PPI (picxels per inch not DPI dots per inch) high enough to give the right resolution in print (DPI) when scaled (if you want 150 DPI, use 1500 PPI in 1:10, etc).

You may also create a PDF in 1:10, so there is no need to scale at all; just print it, or have it printed, at the final size.

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Mar 14, 2010 1
New Here ,
Mar 14, 2010

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Thank you Jacob!

Everything is clearer now.

Just to receive confirmation: to set the resolution in PPI I must do it with Photoshop, is it ok? I must open the Illustrator file in Photoshop and click Image > Image size, is it right?

While waiting for your answer, I thank you again.

🙂


up.

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Mar 14, 2010 0
Most Valuable Participant ,
Mar 14, 2010

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up,

Just to receive confirmation: to set the resolution in PPI I must do it with Photoshop, is it ok? I must open the Illustrator file in Photoshop and click Image > Image size, is it right?

You may rasterize and use raster effects in Illy, and you may place images. There is no need to go to Photoshop unless you wish to change the pixel size (the combination of resolution and actual size) of images.

And if you save as PDF, you may keep everything vector as vector.

The reminder about resolution was only meant to ensure the right resolution when scaled up, if there is raster artwork involved.

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Mar 14, 2010 0
New Here ,
Mar 14, 2010

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Ok. To sum up:

There are 2 cases:

1) Vector artwork (both Illustrator and pdf) : any size (right proportions)

2) Raster stuff included: I should enhance resolution to be sure of the printed result.

Mine is the 2nd case.

1st question:

I modified the file as you adviced me to do: 1,6 metres (scale 1:10)

If I want a 300 dpi printing resolution, I should set the ppi value at 3000 (in accordance with your example) but then a message appears: "the value must be included between 1 and 2400). So?

2nd question:

If I raster with Photoshop the entire file (Image > Image size) it accepts the value. But maybe it is wrong what I did: I rasterized all the Illustrator file (images + vector elements), while there is no need to rasterize vector elements, right? Only the images included in the file?

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Mar 14, 2010 0
LEGEND ,
Mar 14, 2010

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I am going to tell it to you a little different.

In Illustrator work at half size or 1/4 size.

Place the images scaled in photoshop as linked. Make sure the images are either half the dimensions at twice the resolution or quarter the size at 4 times the resolution.

Output at either 200 or 400%

10% must be a windows thing.

True it does not matter but it is easier to work with less numbers rather than more numbers as you would all those digits.

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Mar 14, 2010 1
Most Valuable Participant ,
Mar 14, 2010

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up,

If I want a 300 dpi printing resolution, I should set the ppi value at 3000 (in accordance with your example) but then a message appears: "the value must be included between 1 and 2400). So?

The question is whether you need 300 DPI at 16 metres, but if you hit the resolution limit you will have to use a more moderate scaling, as suggested by Wade.

I suggested 1:10 because that gives the same figures, just moving the . one step to the left.

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Mar 14, 2010 0
LEGEND ,
Mar 14, 2010

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The question Jacob ask is correct d you really need 300ppi I would think the maximum would be 125 ppi and probably 72 would be more than enough.

I think you have to address Jacob's observation first.

Jacob I was told that though doing it  1/10 is convenient it is to easy to move the decimal the wrong number of places over and not notice it until too late.

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Mar 14, 2010 0
New Here ,
Mar 17, 2010

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I understand now.

Thank you very much guys!

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Mar 17, 2010 0
Most Valuable Participant ,
Mar 18, 2010

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For my part you are welcome, up.

It is true that ease may lead to error, but I should have thought it would be rather evident in a drawing if you got it one or two decades wrong.

On the other hand I agree that everyone should work in the safest possible way.

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Mar 18, 2010 0
New Here ,
Sep 04, 2020

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I believe what they are talking about is the rastor effects and resolution which relates to the finishing side of production.  You will find it under the effects menu.  If you are enlarging your print on the Printer side you need to set the rastor effects and resolution higher because the Printer won't do it automatically.  For instance if your file is set to 300 dpi and you scale it to 400% on the printer all of your effects and line art will be ripped at 75 dpi, which is still fine because the human eye can't really see any higher resolution than that, but if your file was set to 72 dpi it would only be 18 dpi.

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Sep 04, 2020 0