How do you improve image resolution of diagrams?

  • Photo quality; no problems. However, the diagrams I create in PowerPoint and save as Jpeg or Gif just look terrible, especially the text and the image in the post. When you click on the image the larger image looks not bad. The image also looks fine when exported and viewed in Adobe elements.

    Blow is a page with an image that is text heavy.

    https://erisstrategy.com.au/?p=526

    Any help is greatly apreciated.

    Cheers, Seán

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  • There’s two problems that you’re going to have with images like that. One’s easy to fix, and one’s… not so easy.

    The first easy fix is that the image size doesn’t match the dimensions that are set for it. The image size is 600 x 450 but the dimension attributes that are set for the image are scaling it to 586 x 440. Any scaling done like that in the browser really hurts image quality, so either remove the height and width attributes on the image tag, or set them to the correct values and you’ll see the image a lot more clearly.

    The second not easy fix is that even with the image at the right size, there’s a whole lot of text on there, and it’s going to be extremely hard, if not impossible, to get that to look clear when you scale the image down to that size. All you can do is make the text larger or make the thumbnail size larger. I do fully understand that both of those cases are pretty much not going to be any good, but unfortunately that’s all that you can do.

    Thread Starter Sean McNally

    (@sean-mcnally)

    Thanks catacaustic. I’ve changed the dimension attributes and this has made the image less offensive to eye.

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