<aside> 💡 This page is about styling raster data like satellite imagery or Digital Elevation Models (DEMs). For styling vector data (point, line or polygon layers) refer to Styling Vector Data

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What is Raster Styling

Raster data is often displayed as greyscale or color images. However, sometimes you want to style raster layers in different ways depending on the type of data. For more information regarding available visualization types, refer to the Choosing your map type section below.

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Choosing your map type

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Image

The default style when you upload a raster data layer. Images will either be grayscale (for rasters with one or two bands) or colored (RGB) for rasters with three or more.

In an Image layer, the only styling property available is the opacity, which can be controlled via a slider or by inputting an exact percentage.

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Color range

A common use of raster data is to represent continuous measurements over an area, such as temperature or elevation. In these cases, a Color range style can be useful. Different Data Classification Methods can be used to apply colors to your data.

When using a Continuous classification method, the minimum and maximum data points will be set to three standard deviations from the mean. However, the range can be stretched by simply dragging the sliders under the histogram.

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Categories

This map type is useful for categorical data like geology, land use or crop type. Color palette metadata will be applied when available, although colors can always be manually selected.

Other styling options include controlling how colors are sorted in the legend or how many categories to show, whether all of them or only the most frequent ones.

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