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Recently I have had to scale up the dimensions of a gif image by a factor of 2, this resulted in an increase of the file size by about 8 times. While this is not a complete surprise, I can't help but think there should be a format that scales well with such an operation.
Can the image be remade as a Vector image or are you stuck as Raster?
– Scott Chamberlain – 2012-11-14T19:23:21.160@ScottChamberlain actually you brought up a good point, except that what I had in mind was something to be used with google maps – prusswan – 2012-11-14T19:36:08.170
Google maps stores it's data as tiles, then does small shrink (never expand) as you zoom out. Once you have zoomed out enough it sends a new image at the same resolution as the old one but at a different scale. – Scott Chamberlain – 2012-11-14T20:37:09.283