Use the i keyboard shortcut to open the eyedropper tool. In the new 2.10 version most colour filters have been removed (seen at the GIMP version history for 2.10, "Color tools" section) and I lack the knowledge in this subject as to find a proper alternative using the current version. Use the eyedropper tool Select the object youd like to edit. Once this fiter was applied I could eliminate the red and blue channels and measure the amount of green present in the picture, from then on the proccess to obtain the percentage of soil covered by the crop was quite straight forward. focusses on layer functionalty, tools selection, quick actions and color setting. The result is an image with only three colors, red, green and blue, and possibly pure gray." (I originally linked to GIMP 2.6 help page plug-in-max-rgb.html) Customize your buttons with icons, colors and text. I am an agronomist and have been using GIMP previously to determine percentage of soil covered by the crop canopy using crop-pictures taken from aboveįor that I used the RGBmax filter which "For every pixel of the image, this filter holds the channel with the maximal/minimal intensity. Active selection is marked by marching ants. Click anywhere on your image as the color reference and Select by Color will start selecting the areas based on the color similarity according to the reference. Or, you ca also use the shortcut by pressing the Shift+O keys on keyboard. I am new to the forum, sorry in advance if this is not the appropiate forum to ask this question, also I have done a quick search before asking with no results ¿? Activate Select by Color by clicking the icon on the Toolbox.
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