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Tag: grayscale

And now… colour preview modes in QGIS’ map canvas

Posted on May 22, 2014January 4, 20212 Comments

As a quick follow-up to my last post on colour preview modes for the print composer in QGIS 2.4, this feature has also been added to the main map canvas window! Now it’s even easier to adjust your symbol colours and immediately see how they’d appear under a range of different circumstances:  

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Colour blindness and grayscale previews in QGIS 2.4

Posted on May 19, 2014January 4, 20216 Comments

Since QGIS 2.4 is nearing feature freeze it seems like a good time to start exploring some of the great new features in this release. So, let’s get started with my most recent addition to QGIS’ print composer… preview modes! As every first year cartography text book will tell you, it’s important to know your […]

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Coming soon in QGIS Part 2 – Color control for raster layers

Posted on April 3, 2013January 4, 20213 Comments

Continuing on from part 1, another feature I’ve recently pushed to QGIS is the ability to control the hue, saturation and colour of a raster layer. This builds off the excellent work done by Alexander Bruy (who added brightness and contrast controls for raster layers), and it’s another step in my ongoing quest to cut down the […]

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