How to save high resolution image canvas to server using asp.net?

Best image size/resolution and format to save your design work to print it?

  • I keep messing up m design prints by saving the work I create in Phosotshop CS5 in the wrong size at the wrong resolution. If I need to print these designs to present it in class in portfolio, what size should I save the design and it what format. eg: Poster design I saved it as International paper A4>resolution 300> but when I finished with it and saved it as a jpeg it's 864kb Dimension 2480x3508 ? No Alpha I'm not sure what measurement 2480 on my mac it doesn't say. So, to present print design work in your portfolio what is the best size to save it at and resolution and is jpeg the best option. I'm worried about the sharpness of the over all design or images. So confussed so please help thank you

  • Answer:

    Are you printing the image yourself? If so, just print your PSD file directly from Photoshop. If you are taking it somewhere else to be printed, a JPEG is probably not the best. Whenever you save a JPEG, the file gets compressed and the quality goes down. You should save as EPS, and if the printer can't use EPS, save as a PDF with the High Quality Print settings. As far as resolution, 300 ppi should be fine. Also, be sure that you are in CMYK mode for printing so that your colors will be accurate. You can do this by going to the Image menu, then choose Mode, then CMYK.

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2480 is the width in pixels. A4 paper is about 8.27 inches wide, 8.27 * 300 is 2481. Round to the the nearest multiple of 8 and you get 2480. As far as format, first of all, you should use lossless compression whenever you are working with an image, until you get to the point that you are going to distribute the final version of it. At that point, if the image is a suitable candidate for lossy compression (a photographic image, not a synthetic image with sharp edges, or screenshot, or vector art) you can use lossy compression (to conserve bandwidth/storage). JPEG is lossy compression (there is a lossless JPEG but it is rarely used). I'd use TIFF with lossless compression for what you are doing.

John H

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