1. B

    Human Eye Relative Absorption Equliser

    Hi, I'm new here, I'm a neuroscience student learning about the eye with only some hobby experience in Photoshop. I don't know if anyone has ever seen the graph below (credit to Neuroscience 5th Ed. Purves), but I'd like to make and apply a filter (just out of curiosity) that compensates and for...
  2. J

    New newbie here trying to make a bowed line like in a graph

    Hey, i am new here so i hope i've posted right. I want to make this kind of line: Just obviously with straight lines. I want it to look like a graph kind of line. I have tried to use the pen tool but i can't make it work. Any better ways or perhaps a way to make it easier for me with the pen...