User Guide

GNU Image Manipulation Program
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Figure 12.72: The result
(a) (b)
We used the Zoom to work at a pixel level, the Lasso to remove large unwanted areas, the pencil (to get hard limits), black
paint to remove selected areas, white paint to add selected areas, especially for stem.
12.5.6 Levels tool
The Level tool provides features similar to the Histogram tool but can also change the intensity range of the active layer or
selection.
12.5.6.1 Activate Tool
You can get to the Level Tool in the image-menu through: Tools Color Tools Levels
You can also activate it by clicking on the icon in Toolbox if this tool has been installed there. For this, go to Tools
Dialog.