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Small dpi to large dpi possible?

May 24, 2013 11:11 PM

Hello, I'm relatively new to using illustrator and im trying to change the dpi of a drawing.  One of my frinds made a T-shirt design in a non adobe software pragram, forget it know, and acsidently draw it at a 100 dpi file and looks blured when changed to a 185x185 pixle size.  Can I take that file and change it to 300 dpi?


Go to effects>

Document Raster Effects>

and select dpi quality


I've already done that and it doesn't look like it did anything. 


Does it need to be redrawn?




Ps - forgive me if its already been asked.


I'm running cs6

  • Currently Being Moderated
    May 24, 2013 11:15 PM   in reply to apbrggs972



    Illustrator does not alter the ppi of embedded or linked raster images. Illustrator is not a pixel-level editing application.


    For pixel editing, you need a raster-based application such as Photoshop. And in a raster based application, you can't merely change the ppi of an image from 100ppi to 300ppi and have a quality image. In most cases, increasing the ppi of an image will lose detail due to interpolation. Some images suffer more from this than others.

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  • Currently Being Moderated
    May 25, 2013 2:06 AM   in reply to apbrggs972



    In addition to what Scott says, let us hope you will remain friends (when you ask for the redrawing).

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