Detect Selection

This enables you to detect plural colors as selection under the conditions that you set in this dialog.
The RGB color bars show the color elements you click or drag in the canvas.
Clicking Execute selects the color areas you dragged.

Channel You can choose between RGB and HSV.
Plane The plane for which you would like to use the selection. You can choose among [Selection], [Mask] and [Transparency] planes.
Condition [Same as...] selects the colors you drag, and [Other than...] selects the colors other than the ones you drag.
Initialize Reset all the color detections.
Reverse This reverses the selected area.
Sampling This will start the color detection.
Clicking Sampling button, and the pointer changes to cross-shape.
Clicking or dragging in the canvas samples color information where you click or drag.
Right-clicking finishes sampling and the shape of the pointer changes back to the original.
Execute Sampled colors get selected.
OK Finishes Detect Selection.
Cancel Cancel Detect Selection.