GCM 111 Lecture Notes - Lecture 3: Glossary Of Computer Graphics, Additive Color, Lumosity

• School: Ryerson University
• Department: Graphic Communications
• Course: GCM 111
• Professor: Jason Nolan

Document Summary

Destructive editing - when we do something in photoshop th t we c n(cid:322)t undo fter the file is closed. Non-destructive editing - no m tter how m ny times the file h s been opened or closed, we c n still undo ch nges to get it b ck to the origin l im ge. Im ge resolution is very import nt to consider when combining im ges. 2 pixels for every printing dot (150 lpi = 300 ppi) Dimensions should be those required for the fin l pl ced im ge size. 4x5 im ge t 300 dpi would h ve tot l of 1,800,000 pixels (4x300x5x300) Resolution of 4x5 300 dpi im ge f lls to 150 ppi when the dimensions re ch nged to 8x10. Pixels re cloned when dimensions re incre sed, nd the ppi st ys t 300. They must be t the s me resolution.