Hi Adam et al., This is a super interesting and helpful discussion!
Just wanted to throw in the following shortcut for creating the 6" test images: png image1.png, 6in, ray=1, dpi=180 png image2.png, 6in, ray=1, dpi=300 png image3.png, 6in, ray=1, dpi=600 png image4.png, 6in, ray=1, dpi=1200 Cheers, Thomas On 10 May 2016, at 14:27, harold steinberg <h.adam.steinb...@gmail.com> wrote: > The 9600 x 4800 is a very common poster printer spec. Most print shops use > 180 dpi images on their poster printers (for best print speed) and customers > cannot tell the difference between that and a higher resolution. > > As a test, render a small image (say 6” x 6”) in PyMOL at four different dpi, > 180 dpi (ray 1080), 300 dpi (ray 1800), 600 dpi (ray 3600) and 1200 dpi (ray > 7200). Then use Photoshop or GIMP to make them all 6” x 6”. > > Put them together side-by-side in a layout program and print them on one > sheet to compare. I bet you will have an extremely difficult time telling > them apart. > >> On May 10, 2016, at 12:40 PM, Stephen Kerry <stephen.kerr...@outlook.com> >> wrote: >> >> Harold, I agree 2400 dpi might be wasted, but the professional printer >> supports up to 9600 horizontal dpi x 4800 vertical dpi, so a source image >> with 1200 dpi would be a nice step up from 600 dpi. The lpi is 1200 as the >> four passes from each CMYK component apparently increases the vertical dpi >> by four. > > H. Adam Steinberg > 7904 Bowman Rd > Lodi, WI 53555 > 608/592-2366 -- Thomas Holder PyMOL Principal Developer Schrödinger, Inc. ------------------------------------------------------------------------------ Mobile security can be enabling, not merely restricting. Employees who bring their own devices (BYOD) to work are irked by the imposition of MDM restrictions. Mobile Device Manager Plus allows you to control only the apps on BYO-devices by containerizing them, leaving personal data untouched! https://ad.doubleclick.net/ddm/clk/304595813;131938128;j _______________________________________________ PyMOL-users mailing list (PyMOL-users@lists.sourceforge.net) Info Page: https://lists.sourceforge.net/lists/listinfo/pymol-users Archives: http://www.mail-archive.com/pymol-users@lists.sourceforge.net
