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just would like to find out if file size is the same as pixel dimension.i was going to submit a photo and the requirement was 6MB file.when i edited the photo on photoshop i set the pixel dimension to 6 MB but when i saved the photo, it says on the file size only 1.32 MB.
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what format did you save the file as? (saving as a jpeg will compress the image & will vary depending on the complexity of the picture) saving as a tiff or photoshop file (AFAIK) would be uncompressed & give a more consistent result (I'm not sure if the colour depth/space used affects the filesize as well, but someone more knowledgeable will probably be along & give a more technically correct answer.)
As Joe said, it depends on the file format used.
First you need to establish what file format is required for submission, Usually but not always this will be JPEG.
JPEG is a compression technology, The amount of compression can be set by you when you " Save As ".
If the file requirement is 6Mb JPEG, this usually refers to the " Opened State " however in the closed state it may well appear to be 1.32 Mb ( this can vary a little dependant on the data content of the image ).
it is a JPEG format.when you say "opened state" do you mean when the original MB of the data?
Quote: It is a JPEG format.when you say "opened state" do you mean when the original MB of the data?
No, when opened for viewing or editing in e.g. Photoshop. The jpeg is decompressed to allow it to be used.
For an analogy, think about if you store a spare duvet in one of those big vacuum bags. To use it you need to open the bag and allow the duvet to expand to fit over the bed. If you just put it on the bed in the compressed bag it wouldn't do you much good.
Interesting analogy, must remember that one
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