Apply a mask

Masks are useful for visualizing where water, vegetation, and other features are present in a given land area and removing them before analysis.

Creating mask layers

Mask layers can be created using the vegetation mask or water mask tools, or created from a binary layer computed using the raster calculator. Once a layer is created that you want to use as a mask, be sure to mark it as a mask so that it can be used in this dialog.

Tip

Water and vegetation masks created using those tools will be automatically marked as masks.

Masking layers

• Use the Product to mask dropdown menu to choose the layer you want masked.
• Use the Mask dropdown menu to choose the layer to use as a mask. Either raster or vector layers can be used.
• Once valid inputs are chosen, a preview layer will be generated showing the new masked data.

Tip

You may need to turn off the input layers to ensure your final masked layer looks how you expect.

• Use the Invert mask flag to invert the mask - mask outside a vector instead of inside, for example.

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