A buffer is a margin created at a specific distance around shapes on a layer. You can create margins of different sizes, each referred to as a buffer level. You use buffer levels to analyse suitability or risk around the input shapes, which is referred to as a proximity analysis.
For example, you can create a buffer around domestic wells to analyse the risk of contamination from pesticide use.
To create a buffer
Step 1 of the the Buffer Wizard appears.
© PCI Geomatics Enterprises, Inc.®, 2026. All rights reserved.