Polygonal Lasso Tool is Similar to the lasso tool.It will be used to create polygonal selections.Polygonal Lasso Tool can only straight-sided selections only.
How to use this tool?
1.Select the Polygonal tool.
2.Click somewhere along the edge of the object or area you need to select.
3.Continue moving around the object or area by adding a new point.
How to finish the selection?
1.Clicking once again on the starting point you have added.
2.You can finish the selection by double-click
Four modes
* Create new selection
* Add to selection - To add an area to the existing selection .
* Subtract from selection -To subtract from the existing selection
* Intersect with selection - To intersect new selection with existing one.
Feather:
The Feather option gives a nice soft edge around the selected area. The softness depends on the amount of feather we give.
Tips:
1.Holding shift while clicking with the polygonal lasso tool creates straight lines and 45 degree angles.
2. If you make a mistake while adding a point Just press the Backspace the previous point will be deleted.
Is it possible to Switch Between The Polygonal Lasso Tool and the Lasso Tool?
Yes, it is possible to Switch Between The Polygonal Lasso Tool and the Lasso Tool.
While using the Polygonal Lasso Tool hold down the ALT key this temporarily switches you to the Lasso Tool release your Alt key, then release your mouse button You'll switch back to the Polygonal Lasso Tool.
While selecting straight lined image if u want to select curved portion this switching facility will be very useful.
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