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Incubator escapee wiki:Help desk/Archive 1
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== Whats wrong with using *.gif - images? == I just put out some illustrations wich are in the gif format... because of its rather flat-coloured style of content a gif provides an efficient compression. And I don't need a bunch of colours. So I can't se a bunch of technical reasons for using png in this case. [[User:MrMambo|MrMambo]] 01:24, 15 Apr 2004 (UTC)~ : Have a read of [[GIF#Unisys_and_LZW_patent_enforcement]]. [[User:Dysprosia|Dysprosia]] 01:29, 15 Apr 2004 (UTC) : Apart from the legal reasons, and the technical features you don't care about (colours, alpha, gamma) PNGs will generally compress to a smaller size (particularly if you use PNGcrush on them) and have 2-dimensional adam-7 interlacing (which means intermediate versions displayed to viewers with slow connections will be more useful). If you're doing diagrams or similar in some vector drawing program, please also upload the original vector file (in a zip file) and link to it from the PNG's description page - that way your diagram can be edited by others, or can be transformed into some newer format in the future, as the need arises. -- [[User:Finlay McWalter|Finlay McWalter]] | [[User talk:Finlay McWalter | Talk]] 01:41, 15 Apr 2004 (UTC) :PNG compresses based on flat colors the same as GIF does, so that's not an advantage to GIF. If you don't use the extra colors, they don't count against you in the file size. PNG's features are essentially a superset of GIF's, and PNG most always compresses better, so there's no reason to prefer GIF. Really the only advantage GIF has over PNG is that it allows animation, which we generally don't want for Wikipedia images anyway. [[User:DopefishJustin|DopefishJustin]] 00:15, May 12, 2004 (UTC)
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