ArcGIS Overlay Analysis Tools Explained: Erase, Identity, Intersect, Spatial Join, Union & Update

In this video, we explore the most powerful Overlay Analysis Tools in ArcGIS — including Erase, Identity, Intersect, Spatial Join, Symmetrical Difference, Union, and Update. These tools help you analyze spatial relationships between multiple feature layers and extract meaningful information for GIS projects. You’ll learn step-by-step how to: ✔️ Perform Erase operations to remove overlapping areas ✔️ Use Identity to combine attributes and geometry ✔️ Apply Intersect and Union for spatial overlay ✔️ Conduct Spatial Join to transfer attributes based on location ✔️ Understand Symmetrical Difference and Update tools with examples Whether you’re a GIS student, analyst, or researcher, this tutorial will strengthen your understanding of overlay analysis and help you perform advanced spatial analysis confidently. 🔔 Subscribe for more ArcGIS tutorials, GIS tools explanations, and real-world mapping workflows.