3 Replies Latest reply on Jul 15, 2016 3:25 PM by Migintosh

    Resolution issues when exporting


      Hope somebody can help,

      I have created an A1 sized image in InDesign exported at 300 resolution as it's intended for print. The image contains smaller JPEGs that were taken from an IPhone therefore quite low res. Although the final JPEG was exported at the high resolution, the printers have said the whole document is at a 65dpi resolution, any way I can export the whole document at the required 300dpi res?


        • 1. Re: Resolution issues when exporting
          SJRiegel Adobe Community Professional & MVP

          Did you mean to say that your final format for print is JPEG?  A PDF which would be a much better choice, as it would not rasterize your type like a JPEG will. 

          In any case, if you started with images at lower than 300 ppi, there is no magic that can add resolution. You can, of course, scale the photo up, but info that was not there to begin with cannot be created by up sampling.

          • 2. Re: Resolution issues when exporting
            rob day Adobe Community Professional & MVP

            You can only down sample when you export, there's no option to up sample either on export or from within InDesign. To upsample you'll have to edit the image in a photo editing app.

            • 3. Re: Resolution issues when exporting
              Migintosh Level 4

              paulh33176923 wrote:


              …the printers have said the whole document is at a 65dpi resolution…

              If you start with a 300ppi image and end up with a 65ppi image, one of two things happened. Either you downsampled it to 65ppi, or your size was to small and when increased to full-size, the effective resolution became 65ppi (that would happen if you enlarged a 300ppi image to around 460%). If you export to PDF, like the others suggest, you can leave the resolution of bitmap images unchanged, or downsample to a threshold that you choose, while leaving vector elements (like type and vector shapes) in vector format, where the output device will raster them at the resolution it is set to. But your iPhone screenshots won't get better resolution, if that was your question.