7

I have a map with a large number of polygons that I want to colour individually for display purposes. There is not particular pattern required, only to present them as individual catchments in a figure.

Is there a method to achieve this in QGIS?

1
7

Use a Categorized style on the layer.

enter image description here

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In QGIS 2.8.1 version, Right click on the layer. Go to Layer Properties. Clcik Styles Tab. Select drop down value Categorized. Use Random colors from Color Ramp drop down list.

2

With 'unic symbol' symbology, you can set the value of the color with an expression:

rand(0,255)||','||rand(0,255)||','||rand(0,255)

to simulate the RGB value like (250,0,6)

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  • 1
    I think it shall be color_rgb(rand(0, 255), rand(0, 255), rand(0, 255))
    – Taras
    Sep 22 '20 at 4:51

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