Just set the density. You have to compute/convert dpi (dots or pixels per inch) to dpc (dots or pixels to cm).
See http://www.imagemagick.org/script/command-line-options.php#density > hi everybody, > I simply need to reduce the length of a very big image; I'm requesting to >a Geographic map service a 1440x720 pixel image so that, when user reduces >the image to a 7,5x3,75 cm (that's more or less 3x1,5 inches) in GIMP or >OpenOffice... it gets about 480 dpi images (for printing). > I want avoid the user this final step (resizing for including to a >document) and directly serve a 7x3,5 cm image. > > I see that resizing is only useful with pixels... how can I get it? (I >need to request the image with these size in pixels). > thanks! > > Pere _______________________________________________ Magick-users mailing list [email protected] http://studio.imagemagick.org/mailman/listinfo/magick-users
