![]() ![]() ![]() Now if we have a raster image with the same pixel dimensions, but set at 300dpi, you can work out the physical dimensionsĪs you can see, although the raster image is the same size as the AI document, it will be considerably smaller when placed in Illustrator, since Illustrator will scale the image using the ppi/dpi setting. Here's how you work out the physical dimensions of the AI document All Illustrator documents are 72ppi, this is a default that cannot be changed*. Let's say you have an AI document like my example which is 1400px x 700px. So, with that in mind, if you do some simple arithmetic you can see exactly why the problem is happening. In print documents, it's important that an image with a 300dpi setting is placed at the correct physical size, otherwise it will not print at the correct quality. Illustrator is a vector image editor primarily designed for use in print. ![]() If you are wondering why this happens, it's because Illustrator uses the PPI setting as a scale factor when placing raster images. This is a 1400px x 700px AI document, with a 1400px x 700px image at 72ppi. Now place the image in Illustrator on an artboard with the same pixel dimensions, and it will match the size. It's important not to resample, otherwise you will change the number of pixels. Open the raster image in Photoshop, do Image > Image Size, then change the resolution to 72ppi, with the resampling option unchecked, and then resave it. I can see it in the image properties you posted. ![]()
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