Earthsys 144: Fundamentals of GIScience

Basic Raster & Terrain Analysis

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Raster Analysis

Map Algebra

Incompatible Cell SIzes

Scope

Mathematical Functions

Logical Operations

Evaluate whether a pixel location is non-zero

Logical

ComparisonOperations

Evaluating Values vs Values

Logical Operations

Reclassification

Conditionals

Nested Functions

Overlay Clip

Overlay Clip (no nulls)

Overlay through Addition

Moving Windows

Neighborhood Functions

Moving Windows

Kernels

Kernels

Kernels

Zonal Functions

Cost Surfaces

Terrain Analysis

Slope & Aspect

Slope & Aspect

Terrain Morphology

Hydrology

Watersheds & Drainage Networks

Flow Direction

Flow Accumulation

Watershed Delineation

DEM Conditioning (Sinks)

Watershed Delination

Watershed Delination

Watershed Delination

Contours

Elevation Profiles

Viewsheds

Shaded Relief & Solar Insolation