On Wed, Jul 8, 2009 at 8:45 AM, Patrick Horgan<phorg...@yahoo.com> wrote: > The truth is that Gimp displays to you using your screen resolution, so if > you originally created an image at 72dpi and 216x216 pixels and another > image at 4800dpi and 216x216 pixels, Gimp will display them the same. Sort of true, see below..
> While > they look the same, if you look at image properties with <ALT><RETURN> or > set the disply units to inches in the bottom border and move around the > image, you can see the difference. One is reported as 3" across and the > other as .045" across. The resolution is used by Gimp to translate to > inches and inch derived units for you. > > If you go into image/resize, and only change the dpi, Gimp will report to > you that the image is a different size in inches, but the pixels are not in > any way changed. > > Various image file types like jpg and png store resolution and Gimp does > store that for you. Devices are supposed to scale the images so that on > their display resolution they will appear the same size as in the images > native resolution. Some devices/software actually do this. Like GIMP (toggle View->Dot for Dot off). When Dot for Dot is off, GIMP displays the image at a scale matching the comparitive resolutions of the screen and the image. > If you print > something and it comes out the wrong size, some times you can open it in > Gimp, change the resolution and resave. The only change will be in the > stored resolution, the file's image data is completely unchanged, yet it > will now print a different size! _______________________________________________ Gimp-user mailing list Gimp-user@lists.XCF.Berkeley.EDU https://lists.XCF.Berkeley.EDU/mailman/listinfo/gimp-user
