Here are basic directions but for more detailed directions and screenshots, download the file labeled "Checking an Image File for Quality" on the left:. Examine the image to see if it is grainy, inconsistent, etc. If you need to change the size of the image, check out the file to the left called "Sizing an Image to Specific Dimensions" for directions on how to do this.
There are a number of places online where you can download high resolution images online but remember to be careful of copyright restrictions. One great way to search for high resolution images is to use Google's Advanced Image Search:. In general, the larger an image is, the higher the resolution will be. When looking at the options under Google's "Image Size" drop down, the choices that say "Larger than x " are referring to the number of pixels on each dimension of the image. You may also want to consider narrowing down images by "Usage Rights" to help with copyright concerns.
Accessibility Information. When possible, check first to see if your application allows saving in one of the recommended formats above. Complex projects with multiple files and fonts may need to be sent to us with all files compiled into a. The recommended color mode is CMYK. For the best quality output, you should make sure there is enough resolution in your original source file. This applies to photographs and bitmaps. Designs with text such as presentations and signs need a minimum of dpi at actual size up to dpi at actual size.
This means a 24 x 36 poster your original file should have dpi at 12 x Use this guideline for designs with text such as presentations and signs. Normal Quality output is suitable for the majority of poster applications, including displays, banners, general posters, photo enlargements, signs, etc. High Quality output is necessary only for ultra-photographic quality detail or art reproduction and for designs with text.
Use the table below to find the recommended size of your original file at dpi for the common poster sizes below. Use the chart below to determine the optimal original file size, dpi and total pixel dimensions for the desired final output size. Be sure your original file scales up proportionally to the final output size you request.
If the dimensions of your file are not the exact size of the final output, make sure your original file is in the same proportion as the desired output size. For example, a 4 x 6 original file sizes up to 16 x 24, not 18 x 24, and an 8. A good rule of thumb is to take your desired width and length and divide them by the same to get the proportionate size. Example: if your desired output size is 24 x 36, divide both sides by 4 to get an original file size of 6 x 9.
If your original file size is not in proportion, you may want to crop it, or adjust the final output size to the right proportion. After uploading, our system asks you to either crop or change the output size to match what you uploaded.
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