Category Archives: photos

gimp: how to make a transparent background

Posted on September 12, 2016 by Thomas Cokelaer

How to make a transparent background/selection on an image using GIMP 1. Open your image. 2. Select the area you want to make transparent. Select the appropriate selection tool from the Tool window or the Tools – Selection Tools menu … Continue reading →

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green flash / rayon vert

Posted on July 16, 2014 by Thomas Cokelaer

For a change, here is a nice picture taken yesterday showing the green ray that can be sometimes seen when the last ray of the upper rim of the sun hung on the skyline. and here, let us focus on … Continue reading →

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Reading Nikkon Raw image with Gimp plugin UFRaw

Posted on January 28, 2014 by Thomas Cokelaer

I recently started to play with RAW images on a Nikkon camera. The first issue was that gimp could open the images but only in a kind of thumbnail version. Browsing around it looks like one tool to read the … Continue reading →

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Photos from Devon, UK

Posted on July 1, 2012 by Thomas Cokelaer

[coolEye search=Devon2011 how=album puser=cokelaer width=500 height=500 source=picasa]

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How to resize images with awk and convert

Posted on September 11, 2011 by Thomas Cokelaer

If photos in a directory are too large, you may want to use a script to automatically convert all the files into another format. AWK and convert tools can help you. The following command should convert all the files with … Continue reading →

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