November 2018
Beginner to intermediate
354 pages
6h 59m
English
Content preview from Hands-On Geospatial Analysis with R and QGIS
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False color composite
Images with multispectral layers, such as Landsat images, when opened in any GIS/RS environment, will be rendered as black and white. By assigning different bands of Landsat to either red, green, or blue, we can visualize multispectral layers in different ways. We can assign different bands to red, green, and blue using the plotRGB() function:
plotRGB(stacked, r = 3, g = 2, b = 1, stretch = "hist")
This will now give output that could be useful for vegetation study:
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