Chapter 4 & 5: Marking And Manipulating Selections

 

1) Marquee Tool

2) Lasso Tool

   (a) Polygonal Lasso Tool  : creates straight sided selections around objects by clicking the objects                                                   edges  

  (b) Magnetic Lasso Tool    : tracks the edges of the object based on shifts in color or tone

  (c) Lasso Tool                    : create tracing based on freehand tracing

3) Transforming Selections 

  (a) Scale                : changes the size of a selection.
  (b) Rotate              : will spin a selection
  (c) Skew/Distort   : stretches and pulls a section
  (d) Perspective     : simulates object meeting at a horizon line
  (e) Flipping          : turns a selection on its vertical or horizontal axis

4) Saving & Loading Selections 

       Channels :- Black and White image contain one color channel 

                        - An RGB image contains 4 channels

                        - A  CMYK  image contains 5 channels