ESRI Spatial Analysis and Geoprocessing Flashcards

What is the difference between the Clip tool and the Intersect tool in ArcGIS Pro?

Answer: Clip retains only the geometry of the input layer within the clip boundary; Intersect retains features and attributes from all input layers

Clip extracts input features that fall within the clip boundary but only keeps the input layer's attributes, while Intersect outputs combined geometry and attributes from all input layers.

In raster spatial analysis, what does Focal Statistics calculate?

Answer: Statistics for each cell based on a defined neighborhood around it

Focal Statistics calculates a statistic (e.g., mean, sum, range) for each cell using values within a specified neighborhood window.

Which geoprocessing environment setting ensures that output rasters align to an existing raster grid?

Answer: Snap Raster

The Snap Raster environment setting aligns the output raster's cell boundaries to match those of a specified existing raster.

What does the Weighted Overlay tool in the Spatial Analyst extension allow you to do?

Answer: Combine multiple raster datasets with assigned weights to produce a suitability map

Weighted Overlay combines multiple rasters by assigning relative importance (weights) to each, producing a composite suitability or risk surface.

In ArcGIS Pro, what is the Euclidean Distance tool used for?

Answer: Calculates the straight-line distance from each cell to the nearest source feature

Euclidean Distance computes the straight-line (as-the-crow-flies) distance from each raster cell to the closest source feature.

What is the purpose of the Extract by Mask tool in ArcGIS Spatial Analyst?

Answer: Extracts the cells of a raster that correspond to the areas defined by a mask

Extract by Mask clips a raster to a mask area, assigning NoData to cells outside the mask boundary.