Single Column Marquee Tool

• To select a row In the Toolbox, select the Single Column Marquee Tool and click on the image.
• While New selection option choosen on the Options bar by creating new selection you delete existing selection.
• To add a column to existing selection you have either to choose Add to selection option on the Options bar or to press (and hold) [Shift] key while selecting.
• To subtract a column from existing selection you have either to choose Subtract from selection option on the Options bar or to press [Alt] key while selecting.

• Like with other selecting tools you can intersect new column with existing selection (either by choosing Intersect with selection option on the Options bar or by pressing [Shift+Alt] keys while selecting. However the result will be the new selection.
• While New selection option is chosen and the point of cursor is within selected area the tool looks like this and can move selection (ie. borders of selected area and not image content).
• While New selection option is chosen you can also move selection using keyboard cursor keys.

*In the above movie colors are inverted just to make selected area visible (it turns black).
**Selection techniques explained in detail in the 2nd chapter of this video-course