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Photoshop Lecture Notes

 

 

blending_modes.pdf

Photoshop interface-

Lots of ways to do things
complex program


Menu Bar
Commands
single shot- no options in command
dialog command- have … choose attributes
checkmarks turns on and off setting

toolbar-
select tool and do something in image window

Options bar
options to modify settings of currently selected tool

panels- palettes
contains controls for certain aspects of project, color, history, layers

image window
workspace

Default panels that should be open
layers
colors
adjustments
history

opening images in new project
open in control click

layer transparency, opacity, blending styles



Image Size and its relevance

Image size and resolution# of pixels in imageDPI of imagesize of and dpi of monitormultiply pixels to get megapixelsprint dpi 200 to 300 for good print qualityMaths-image size in pixels divided by dpi gives you max print size
desired print size times dpi gives you pixel size of image you need to make print



Retouching


Clone stamp

Option-click to set copy point
[ ] to change size of brush

Healing brush
Small area content aware fill, good for skin and fabric

Content aware fill

works best on small objects with organic backgrounds
Edit>fill

Beware of creating patterns or repeating too many bits


Selection Tools


Marquee and lasso tool


  • most basic selection tools
  • click and drag from edge
  • Release to let computer connect to meme a shape

modifier keys alter behavior holding keyoption-drag from center


  • selection can be clicked and dragged
  • constrain to perfect square hold shift
  • add to selection hold shift-non contiguous
  • alt key subtract from selection

What does a selection mean?

  • selection only affects active layer
  • Anything outside selection is protected

Refine edge go through process


  • Select menu- refine edge, also button

view- show different mask views-use which ever works, try switching views
radius- increase transition areas-PS finds edges
smart radius- PS differentiates between soft/complex and hard-even edges
use show radius button to see transition area
refine using brush buttons and sliders

  • Finish with decontaminate colors-helps control bleed
  • output to new layer with mask, output to selection to copy and paste normally




Colorizing
make selection
Use fill layer, should automatically make mask
Explain mask in this context
How to move into and out of masks
Blending modes to blend color layers with original image



Adjustment layersnon destructiveadjustments under image menu change the pixels when image is saved


  • option-click mask- show b and w layer
  • command-click mask- show selection
  • with selection on (marching ants) create an adjustment layer, creates layer with mask
  • copy paste into new layer

smart object resize without degradation


Widgets

General Resources

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