Adding Shadow with #GIMP

I found a tutorial that makes adding a shadow so easy.  Here’s how it’s done.

1.  Select an object or person that you want to have a shadow.

2.  Once you’ve opened the image, select the Fuzzy Select Tool. Threshold should be at 15, which is the standard value. Then click the white area outside the bottle.  Hold down the Shift key to activate the “Add to the current selection” function and click all the white areas inside the bottle. After which, invert the selection by going to Select > Invert.

click image to enlarge

3.  Click on Edit > Copy (Crtl+C).  Then Go to Edit > Paste into. You’ll be seeing  a Floating Selection layer in the Layers window.  Add a new layer (Layer > New Layer).  The Floating selection layer is now a normal layer.  Now you have to duplicate this layer. Right click on the layer and select Duplicate Layer (Shift+Crtl+D).  You need those two layers because one of them will be used as the shadow and the top layer will make it look as the shadow is behind the bottle as it should be.  Then press Crtl+Shift+A to get rid of the selection.

4.  Now we will be doing the shadow.  Select the middle layer. Check the Lock Alfa Channel box in the layer window as shown in the image below.

click image to enlarge

Fill it with black by selecting Edit > Fill with FG Color (make sure your FG color is black).  You won’t be able to see any changes but if you hide the layer above, you’ll see that you have created the beginning of the shadow (as in the image below). Just don’t forget to make the layer visible again. Then uncheck the Lock Alfa Channel box in the layer window.

click image to enlarge

5. With the middle layer still active, go to Tools > Transform Tools > Perspective. Drag the left and right upper corner down as shown below.

click on image to enlarge

6. Now we will give the shadow some blur to make it more realistic. But before we do that, first go to Layer > Layer to Image Size to avoid having sharp edges on the shadow. Then go to Filters > Blur > Gaussian Blur with a radius of 20px.

click image to enlarge

7. Now to add some gradient to it, select Layer > Mask > Add Layer Mask or right click on the layer and select Add Layer Mask.  Then set black as the foreground color and white as the background color.  Afterwards, select the Blend Tool and use the FG to BG gradient.  Draw the gradient across the shadow (with the layer mask selected) as shown below.

click image to enlarge

And voila! we’re done!

click image to enlarge

Thanks to my tutorial!

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3 Responses to “Adding Shadow with #GIMP”

  1. Hi Ela, cool tutorial –thanks for posting it! =)

  2. […] Adding Shadow with #GIMP August 2010 2 comments and 2 Likes on WordPress.com […]

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