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GIS Analysis

How To Use Zonal Statistics

How To Use Zonal Statistics

Zonal Statistics uses groupings to calculate statistics (sum, mean, maximum, etc) for specified zones like countries, watersheds or parcels.

Dissolve Tool in GIS

Dissolve Tool in GIS

The Dissolve Tool combines adjacent boundaries based on common attribute values – only if neighbor polygons have the same dissolving attribute.

How To Mosaic Raster Datasets

How To Mosaic Raster Datasets

A mosaic combines multiple raster images to obtain a seamless raster. We show you how to mosaic raster datasets in ArcGIS and QGIS.

Union Tool in GIS

Union Tool in GIS

The Union tool combines input data layers into a single composite layer, preserving the boundaries and attributes from all input features.

What is Bilinear Interpolation?

What is Bilinear Interpolation?

Bilinear interpolation (or bilinear resampling) uses 4 nearest neighbors to generate an output surface when you resample or reproject rasters.

Intersect Tool in GIS

Intersect Tool in GIS

The Intersect Tool in GIS performs a geometric overlap. All features and attributes that overlap will become part of the output feature class.