GIMP Quick Tricks: The Fuzzy Select Tool

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Just A Quick Demonstration

If you are new to GIMP, and wondering what the Fuzzy Select Tool is, it is like the Magic Wand in Photoshop. With it, you can select similar areas of a layer or image base on color.

It is best suited for solid color areas, depending on the threshold setting, it can actually skip over small gaps in your image and select areas that aren't touching each other.

It can be a fun tool to use, how well it works depends on which part of the image you click, if your first selection doesn't look right, undo it and try clicking a different spot.

It can also get frustrating trying to get it to select every part you want without selecting extra bits you didn't want, experienced users tend to work more with the Path Select and Color Select tools.

Starting The Fuzzy Select Experiment 

To start, I've opened this picture in the image window of GIMP:

Payoff Image



In the Toolbox, on the left, I click on the wand symbol:

GIMP Fuzzy Select Magic Wand style=



Here, below the tool icons, you can see the Fuzzy Tool's default settings:

GIMP Fuzzy Select Tool Setting



With one click on the left hand in the picture, I select the whole outline of the hand:

GIMP Fuzzy Select Hand



I click edit (you can right-click on the image to call up a context menu of all the items available from the top toolbar), then "Copy":

GIMP Copy Fuzzy Select



Then I move to another image window that I've opened, click "Edit" then "Paste":

GIMP Select Paste



This places a copy of what I selected from the first window into the second window:

GIMP Paste Hand



Click "Layer", because this is a new layer, then "Anchor Layer" to secure it in place and make it look like it is part of the picture in the second window. Before anchoring it, the pasted layer is floating, and can be moved around.

An alternative way to anchor it, is to hoover the mouse over the image, until you see a little anchor symbol form near the pointer, then just click the image.

GIMP Anchor Hand



GIMP Anchored Hand

Give The Image A Glowing Effect With Feather Edge 

One of the Fuzzy Select tool's settings is called "Feather Edge" which gives what I see as a glowing effect to the pasted image.

Feather Edge is active when you check the box in the Fuzzy Select settings:

GIMP Fuzzy Feather Edge Setting



I'm going to leave it at the default Radius setting of "10", and I've undone the previous selections that I made in the "Payoff" picture. I click it once, like I did last time, copy the selection, and paste it to the second image:

GIMP Feathered Select Hand



After I've anchored it, you can see that the feathered edges give it a bit of a glowing look:

GIMP Glowing Hand

Selecting More Than One Image From A Picture 

I reset the Fuzzy Select tool settings to default, and undid my previous selections. I clicked the fist hand like I've done in the previous examples, then pressed the "Shift" key on my keyboard and click the second hand.

GIMP Select Both Hands



I copied my selection, nothing tricky, just copy either hand, and I get both, because both were selected.

After pasting and anchoring the selection to the second image, I get this:

GIMP Paste Both Hands

Invert The Selection 

Another trick, is to invert a selection.

I undid everything in the second image window, then went back to the first window where the two hands were still selected, clicked "Select" then "Invert" and copied the inverted selection.

GIMP Copy Fuzzy Select Invert



I pasted and anchored it to the second window to get this:

GIMP Anchored Inverted Hands

Increase The Fuzzy Select Threshold 

For my final example, I undo everything again, then go back to the Fuzzy Tool settings, and increase the threshold to over 100. Obviously, this is an extreme increase, I'm just showing what this setting is capable of. You are going to want to make gradual increases when you are working on your own projects

GIMP Fuzzy Select Increased Threshold



I just make one click on the part of the image that looks like a stack of money:

GIMP Select Increased Threshold



Copied, then pasted and anchored to the second window:

GIMP Anchored Increased Threshold

Paths Tool 

If you can't do what you are trying to do with the Fuzzy Select Tool, try using the Color Select Tool or Paths Tool. He's a great tutorial on using the Paths Tool to separate images from the background of the picture they are in:

More About The GIMP 

GIMP Documentation 

2.5.  Fuzzy selection (Magic wand)
2.5. 
Fuzzy selection (Magic wand)
Magic Wand tool icon in the Toolbox
The Fuzzy Select (Magic Wand) tool is designed to select areas of the
current layer or image based on color similarity.

Comments? What Do You Think About The Fuzzy Select Tool? 

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GIMP Quick Tricks:
The Fuzzy Select Tool
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