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Resolution Loss

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    • February 24, 2011 at 1:15 pm #58796
      Anonymous
      Inactive

      Greetings!

      I'm having trouble with low resolution when I place or copy an image into InDesign CS4. The images look low quality and pixelated. The files I am importing were created in Illustrator at 300 dpi and SolidWorks at 400 dpi–saved as JPEGS and EPS. However, when I place them in InDesign I get an error that the resolution is 150 dpi and they don't look good. I have experimented with importing .eps, .pdf, and .jpg files and get the same result.

      Does anyone know what is causing the resolution to decrease so drastically?

      Any help is greatly appreciated–thanks!

    • February 25, 2011 at 3:18 am #58799
      Rhiannon Miller
      Member

      The most obvious question is: are you placing them at actual size, or are you enlarging them in the layout?

      There's also quite an interesting discussion going on about image formats and resolutions in the InDesign Myths thread.

    • February 25, 2011 at 5:35 am #58801
      Anonymous
      Inactive

      gracie04 said:

      Greetings!

      I'm having trouble with low resolution when I place or copy an image into InDesign CS4. The images look low quality and pixelated. The files I am importing were created in Illustrator at 300 dpi and SolidWorks at 400 dpi–saved as JPEGS and EPS. However, when I place them in InDesign I get an error that the resolution is 150 dpi and they don't look good. I have experimented with importing .eps, .pdf, and .jpg files and get the same result.

      Does anyone know what is causing the resolution to decrease so drastically?

      Any help is greatly appreciated–thanks!

      Never Copy and Paste into InDesign (some Illustrator simple artwork is ok) but you are way better off saving the file as .ai with PDF compatible file and use File>Place in InDesign to place the image.

      InDesign will use a low-res thumbnail proxy for layout purposes. You can increase the res of the thumbnail by going to View>Display Performance and choosing High-Quality, but this may have an adverse affect on the operating speed of indesign. It's best to mostly leave this as Typical Display quality.

      And I don't know why your images from Illustrator have a PPI – Illustrator is a vector package, mostly vector results. Unless you've used Effects like a drop shadow or something, then you need to set your Document Raster Effect Settings in Illustrator (under Effects I think?)

      If you've placed photographs/images into Illustrator then these could be low-resolution, i.e., below 300 ppi. And InDesign's Preflight Panel would flag these images as being too low-resolution.

      Even if the image is 300 ppi in Illustrator – and you place that .ai file into InDesign – if you increase the size of the .ai file in InDesign then you are effectively reducing the resolution in the image.

      The larger you make the image the less pixels per inch. That is if it's 300 ppi in InDesign and you increase the size by 24% then the resolution of the image will be 242 PPI.

      It would really help to know/see the actual artwork in question and where you're getting the warnings regarding resolution.

    • February 25, 2011 at 2:09 pm #58808
      Anonymous
      Inactive

      Thanks Eugene for the reply.

      The Raster Effects in Illustrator is set at 300 dpi. The images I copied into InDesign are simple rectangles with a style applied. When I copy them into InDesign (without resizing) my Preflight panel tells me their resolution is 156 dpi. (I need to meet a minimum of 225 dpi for my printer.) I have Placed the files (Ai with PDF compatible file) instead of copying them and I get an even more pixilated graphic that looks worse than the copied version, but it doesn't pop up on the Preflight as low resolution.

      When the files are imported into InDesign, I reduce the size of the image–generally they are large images. My primary source for images is SolidWorks. I need to transfer the artwork into InDesign for printing. When I export files from SolidWorks, I made sure they were 400 dpi Jpegs or PDFs. When they are placed in InDesign and downsized to the appropriate size the Info palette tells me the image is 400 dpi; however, it appears to be pixilated and lines are not sharp.

    • February 27, 2011 at 1:57 pm #58815
      Anonymous
      Inactive

      You just have to read my second paragraph to know why they “look” pixelated.

      https://help.adobe.com/en_US/in…..6bb8a.html

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