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DDmUSA
DDmUSA
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Exporting to JPG:  Dimensions are Wrong

May 2, 2009 3:38 PM

When I create a new design using Adobe Illustrator, I typically set the artboard size to the desired size for the intended use of the design.

 

I have a printing process as one example that requires a specific JPG size which is:  1125 x 638    or   638 x 1125  (rotated)

 

When I export to a JPG file at CMYK, the resulting JPG file does not seem to be 1125 x 638, but something larger.

 

Then, I have to use Photoshop to re-size the file.

 

Is there a way to have Adobe Illustrator make the JPG file at the correct size in the first place?

 

I noticed a "Use Artboards" checkbox during the export process, but that didn't do the trick.

1289 Views   13 Replies   Latest reply: Wade_Zimmerman, May 5, 2009 9:14 AM
 
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  • Wade_Zimmerman
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    1. Wade_Zimmerman,
    May 2, 2009 6:42 PM   in reply to DDmUSA
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    I do not see that problem except if I give it a bleed then it exports with the bleed area.

     

    The way to avoid this is set the bleed to zero, no need to ha ve the bleed if you are not using it.

     

    Don't know if this is causing your problem but it is the only way I was able to duplicate what you saw.

     

    Document set up turn the bleeds to zero.

     
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  • DDmUSA
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    2. DDmUSA,
    May 4, 2009 7:53 PM   in reply to Wade_Zimmerman
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    I have the bleeds set to zero already.

     

    I am not sure what is causing the wrong dimensions to happen during the export process.

     
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  • Wade_Zimmerman
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    3. Wade_Zimmerman,
    May 4, 2009 8:55 PM   in reply to DDmUSA
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    Trash the settings folder the Adobe Illustrator CS4 Settings folder  in your User's Preferences

     

    I would say that would be the only problem I can imagine except if you have a stray point outside your artboard but I can say I do not know how that would effect it either.

     

    It has to be corrupt preferences.

     
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  • DDmUSA
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    4. DDmUSA,
    May 4, 2009 9:19 PM   in reply to Wade_Zimmerman
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    What should I be "trashing" exactly?

     

    I looked in my Applications area, and I did see a folder for Illustrator.  Am I supposed to be "trashing" (deleting) a file from here ?

     
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  • Wade_Zimmerman
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    5. Wade_Zimmerman,
    May 5, 2009 12:20 AM   in reply to DDmUSA
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    Sorry for not replying sooner. First of all are you on a Mac or PC?

     
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  • DDmUSA
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    6. DDmUSA,
    May 5, 2009 12:38 AM   in reply to Wade_Zimmerman
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    I am using the latest Macbook Pro model with Mac OS 10.5.6 and Adobe Illustrator CS4.

     
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  • Wade_Zimmerman
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    7. Wade_Zimmerman,
    May 5, 2009 12:56 AM   in reply to DDmUSA
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    We are up late:

     

    Go to

     

    Users/Username(the name you gave your account)/Library/Preferences/Adobe Illustrator CS4 Settings folder, you trash that but first you quit Illustrator.

     

    Picture 14.png

     

    By the way the folder in your applications folder is called Adobe Illustrator not Illustrator but in any event you never trash that folder.

    If for some reason you ever have to reinstall you use the uninstaller in the Utilities folder which is in your Applications folder.

     

    You did the right thing by making certain you were after the right files.

     
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  • DDmUSA
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    8. DDmUSA,
    May 5, 2009 1:43 AM   in reply to Wade_Zimmerman
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    Thank you very much for the helpful information.  Removing that folder seemed to do the trick.  However, I noticed that my resulting JPG file was 1126 x 638 pixels, instead of 1125 x 638.  When I created the solid-fill rectangle that served as my flood (background) fill for my design, I must have drawn the rectangle at 1126 pixels tall.  I will look for an option to snap my object to the artboard border, if there is such an option.  Thanks again...

     
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  • DDmUSA
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    9. DDmUSA,
    May 5, 2009 1:57 AM   in reply to DDmUSA
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    THE PLOT THICKENS..........

     

    During the Export process, I changed the "Format" option from Baseline (standard) to Progressive, with a Scan value of 3.  I also adjusted the resolution from screen (72 dpi) to High (300 dpi)  After doing these two adjustments, I noticed that the resulting JPG file was greatly enlarged to unwanted dimensions.

     

    What exactly is the Baseline (standard) versus Baseline (optimized) versus Progressive ?

     

    After I deleted the Adobe Illustrator Settings folder as suggested, I exported my design using "Baseline (standard)" and "Screen Resolution (72 dpi)".  The JPG file had the desired dimensions of 638 x 1126.

     

    Am I doing something wrong, or not understanding the parameters during the export process?

     

    If I am creating a JPG file for purposes of being printed, and I have a gradient fill for some of the text, I would want to create a 300 dpi file, correct?

     

    Will I have to "trash" the settings folder again?

     
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  • DDmUSA
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    10. DDmUSA,
    May 5, 2009 2:06 AM   in reply to DDmUSA
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    I think I may have an explanation for the resulting file dimensions of the JPG export:

     

    When I choose High (300 dpi) for the resolution during the export process, the resulting file is 2658 x 4688.

     

    If the original design in Illustrator is perceived to be rendered at 72 dpi, the upscale to 300 dpi would compute to the 2658 x 4688 numbers.

     

    Is there some way to have the native design exist at 300 dpi to have the export exist at the desired dimensions and 300 dpi?

     
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  • Wade_Zimmerman
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    11. Wade_Zimmerman,
    May 5, 2009 8:19 AM   in reply to DDmUSA
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    The pixel dimensions are the pixel dimensions there really is not such

    thing as 300 ppi at 638 x 1126 pixels. if you understand that then you

    will be fine.

     

    638x1126 pixels is the resolution of the file, come hell or high water.

     

    Now if you need the file to 300 ppi that means you bring the file into

    photoshop then in photoshops image size turn off resample and change

    the resolution to 300 ppi.

    You then have a file size as the attached I am sending this by e-mail

    and will attach the image  a little later.

     

    I'll try it by e-mail. Didn't work by e-mail had to do it with the camera icon.

     

    Picture 6.png

     
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  • DDmUSA
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    12. DDmUSA,
    May 5, 2009 8:50 AM   in reply to Wade_Zimmerman
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    If the finished size of the print after physically trimming or cutting the edges is 3.5 inches tall by 2 inches wide for example, the JPG dimensions at 300 dpi would be 600 x 1050.

     

    It appears as though Illustrator renders things based on a 72 dpi image, even if the document / artboard is set up for 300 dpi.

     

    Apparently, the JPG export does not use the DPI parameter in the initial document setup, in order to end up with a file at 1:1 ratio, using the artboard dimensions.

     

    Using the "image size" dialog in Photoshop to end up at 300 dpi would be different (I would think) then having Illustrator compose the elements at 300 dpi in the first place.

     

    Would this be a form of interpolation?

     

    Also... having a 72 dpi image versus a 300 dpi image, would there be a difference in the overall print quality using a full color Xerox DocuTech printer/copier, for example?

     
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  • Wade_Zimmerman
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    13. Wade_Zimmerman,
    May 5, 2009 9:14 AM   in reply to DDmUSA
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