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Showing posts from March, 2010

How to selectively change colour of an object in GIMP?

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A very useful skill in Photo manipulation is the ability to selectively alter an area. If you can selectively colour an area you can use the same technique to apply a whole range of effects to very precise aspects of your pictures. Here we are going to use the Path tool to create a very precise selection and then use this to demonstrate how we can change particular aspects of an image using these selections. In this particular instance we will be changing the colour of an object, but the selection of precise objects is a very important skill to have when you are editing pictures; and the better you get at it the better you will be able to change photographs in more elaborate projects. Here we are going to colour the hydrant and leave the chains the original colour, using the Path and Layer Mask tools. Step 1 Duplicate the background layer and rename it ‘Hydrant’ or something similar. Now, zoom in very close to the image, I’m going in to about 200% here, and select the Path tool (press

How to do intelligent edge detected select in GIMP?

Following steps are useful to define edge detection using GIMP. Use scissor tool(i)  Continuously  click on the the edges. At the end click on the starting point.  Then finally click inside the perimeter to convert ur points into selection.  And you are done. TIP: You can invert your selection using the Select->Invert.

How to make cartoons Using Gimp?

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I am starting a new tutorials as i plan to learn gimp myself.. will share with u guys what i learn.... Today, let me talk about how to make cartoons or cartoonize an image using gimp... Layer->Duplicate LayerSelect the new layer, Filters->Edge-Detect->Edge, select Sobel, Amount should be 2.0, and Black should be checked.Invert the edge-mask layer, it’s in Layers->Colors->InvertBack in the Layers Dialog, change the Layer Mode to DividePlay around with Layer mode settings, desaturate the top layer, blur or otherwise mess up the bottom layer I did multiply for Overlay and Divide for bottom layer...