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Multicriteria Decision Analysis (MCDA) is a structured approach in spatial decision-making that involves two steps: first, transform all criteria onto a common scale; second, weight and combine those transformed criteria to produce a final output. In ArcGIS Pro, Weighted Sum and Weighted Overlay have long been the most…
Have you ever driven over a road after heavy rain and wondered why it wasn’t flooded? Underneath that road, there’s likely a culvert, a pipe or channel moving water from one side to the other. Culverts are everywhere, and they’re critical to how water actually moves across a landscape. But here’s the challenge: in the…
When you measure the distance between two points on a map, you have a choice: measure it as if the map were flat, or account for the fact that the Earth is curved. Measuring distances using the planar method is fast and works well for many cases, while using the geodesic method provides more accurate distances, especially…
The Spatial Analyst extension presents many new capabilities for analysis in ArcGIS Pro 3.7. To start out, the Suitability Modeler has a new approach to assign weights to multiple criteria. You can now easily create contour lines on any raster surface. There are nine new tools that span Density, Hydrology, Overlay,…
Contour lines connect cells of equal value in a raster, often created to analyze terrain topography. Use the Interactive Contour tool to generate contour lines for each location you click on a raster surface. Draw conclusions about steepness or identify ridges and valleys in your data, whether with a digital elevation…
Summary: * A standard Voronoi diagram assigns service areas based on distance alone by overlooking the capacity of a service facility and treating them as equally capable of serving the geography between them. * The new Generate Weighted Voronoi tool in ArcGIS Pro builds zone boundaries driven by site-specific weights and…
A recurring challenge in spatial analysis is the conversion of continuous raster surfaces into vector point features suitable for downstream feature-based workflows. Existing conversion methods either reproduce every cell as a point, producing a dataset that ignores intensity, or aggregate the surface to summary statistics…
Your ideas in the ArcGIS Spatial Analyst Ideas Exchange help us learn from how you use ArcGIS Spatial Analyst in your everyday work. This post explains how Spatial Analyst ideas are organized using labels and offers guidance on how to write an idea with enough clarity and context to be meaningful to others reading it. How…
A New Place to Share and Shape the Future of ArcGIS Spatial Analyst The Spatial Analyst community plays a vital role in how spatial modeling and raster-based spatial analysis continue to evolve across the ArcGIS platform. Your ideas, questions, and real-world examples highlight the unique problems you are solving and where…
At a glance: * Explore county-level property damage from major U.S. storm events (2000-2020) using a reproducible ArcGIS Pro workflow. * Use Space Time Kernel Density tool to model spatiotemporal damage intensity with configurable time windows and monthly resolution. * Apply Zonal Characterization tool to aggregate damage…
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