Terrain

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• Assess Route

  wasm

  Evaluates a route alignment against an elevation model.

• Breakline Mapping

  wasm

  Extracts terrain breaklines to characterize relief, local landforms, and surface behavior.

• Convergence Index

  wasm

  Computes a terrain convergence index to characterize relief, local landforms, and surface behavior.

• DEM Void Filling

  wasm

  Fills no-data elevation cells in a DEM by interpolating neighboring values.

• Deviation From Mean Elevation

  wasm

  Computes deviation from local mean elevation from a digital elevation model.

• Difference From Mean Elevation

  wasm

  Computes difference from local mean elevation from a digital elevation model.

• Directional Relief

  wasm

  Measures relief in defined directions to characterize terrain, local landforms, and surface behavior.

• Elev Above Pit

  wasm

  Computes relative elevation above the drainage pit from a digital elevation model.

• Elev Above Pit Dist

  wasm

  Computes vertical distance above the drainage pit from a digital elevation model.

• Elevation Percentile

  wasm

  Computes the local elevation percentile from a digital elevation model.

• Embankment Mapping

  wasm

  Identifies embankments in an elevation model to characterize relief and landforms.

• Exposure Towards Wind Flux

  wasm

  Calculates terrain exposure to wind flux.

• Feature Preserving Smoothing

  wasm

  Smooths a raster while preserving relevant features and edges.

• Feature Preserving Smoothing Multiscale

  wasm

  Smooths a raster at multiple scales while preserving terrain features.

• Fetch Analysis

  wasm

  Calculates unobstructed wind fetch length over a water surface.

• Fill Missing Data

  wasm

  Fills missing raster values to characterize relief, local landforms, and surface behavior.

• Find Ridges

  wasm

  Identifies potential ridge and summit cells in a digital elevation model.

• Hillshade

  wasm

  Generates hillshading from a DEM with a defined illumination source.

• Hypsometrically Tinted Hillshade

  wasm

  Combines hillshading with hypsometric tints to show elevation and relief simultaneously.

• Local Hypsometric Analysis

  wasm

  Computes hypsometric metrics over local neighborhoods from a digital elevation model.

• Low Points On Headwater Divides

  wasm

  Locates low points on headwater divides to characterize terrain and surface behavior.

• Map Off-Terrain Objects

  wasm

  Identifies above-terrain objects by comparing surface and elevation models.

• Max Downslope Elev Change

  wasm

  Computes the maximum downslope elevation change from a digital elevation model.

• Max Upslope Elev Change

  wasm

  Computes the maximum upslope elevation change from a digital elevation model.

• Min Downslope Elev Change

  wasm

  Computes the minimum downslope elevation change from a digital elevation model.

• Multidirectional Hillshade

  wasm

  Generates hillshading combining illumination from multiple directions to reduce azimuth bias.

• Num Downslope Neighbours

  wasm

  Counts downslope neighboring cells to characterize relief, landforms, and surface behavior.

• Num Upslope Neighbours

  wasm

  Counts upslope neighboring cells to characterize relief, landforms, and surface behavior.

• Profile

  wasm

  Extracts an elevation profile along a line.

• Remove Off-Terrain Objects

  wasm

  Removes off-terrain objects to characterize relief, landforms, and surface behavior.

• Ridge And Valley Vectors

  wasm

  Extracts ridge and valley vectors to characterize relief, landforms, and surface behavior.

• Slope Vs Aspect Plot

  wasm

  Plots the relationship between slope and aspect to characterize relief and landforms.

• Slope Vs Elev Plot

  wasm

  Plots the relationship between slope and elevation to characterize relief and landforms.

• Smooth Vegetation Residual

  wasm

  Smooths the vegetation residual of a surface model.

• Surface Area Ratio

  wasm

  Computes surface area ratio to characterize relief, landforms, and surface behavior.

• Topographic Hachures

  wasm

  Computes topographic hachures from a digital elevation model.

• Accumulation Curvature

  wasm

  Computes accumulation curvature from a digital elevation model.

• Aspect

  wasm

  Computes the steepest-slope-facing direction (aspect) of each cell from a digital elevation model.

• Casorati Curvature

  wasm

  Computes Casorati curvature from a digital elevation model.

• Curvedness

  wasm

  Calculates curvedness from a digital elevation model.

• Difference Curvature

  wasm

  Calculates difference curvature from a digital elevation model.

• Gaussian Curvature

  wasm

  Calculates Gaussian curvature from a digital elevation model.

• Generating Function

  wasm

  Calculates a generating function from a digital elevation model.

• Horizontal Excess Curvature

  wasm

  Calculates horizontal excess curvature from a digital elevation model.

• Maximal Curvature

  wasm

  Calculates maximal curvature from a digital elevation model.

• Mean Curvature

  wasm

  Calculates mean curvature from a digital elevation model.

• Minimal Curvature

  wasm

  Calculates minimal curvature from a digital elevation model.

• Plan Curvature

  wasm

  Calculates plan curvature from a digital elevation model.

• Principal Curvature Direction

  wasm

  Calculates principal curvature direction from a digital elevation model.

• Profile Curvature

  wasm

  Calculates profile curvature from a digital elevation model.

• Relative Aspect

  wasm

  Calculates relative aspect from a digital elevation model.

• Ring Curvature

  wasm

  Calculates ring curvature from a digital elevation model.

• Rotor

  wasm

  Calculates rotor from a digital elevation model.

• Shape Index

  wasm

  Calculates shape index from a digital elevation model.

• Slope

  wasm

  Calculates the slope of each cell in a DEM.

• Tangential Curvature

  wasm

  Calculates tangential curvature from a digital elevation model.

• Total Curvature

  wasm

  Calculates total curvature from a digital elevation model.

• Unsphericity

  wasm

  Calculates unsphericity from a digital elevation model.

• Vertical Excess Curvature

  wasm

  Calculates vertical excess curvature from a digital elevation model.

• Elevation Relative To Min Max

  wasm

  Expresses each elevation as a percentage relative to the DEM's minimum and maximum.

• Geomorphons

  wasm

  Calculates geomorphons from a digital elevation model.

• Hypsometric Analysis

  wasm

  Performs hypsometric analysis on a digital elevation model.

• Multiscale Topographic Position Class

  wasm

  Calculates multiscale topographic position class from a digital elevation model.

• Pennock Landform Classification

  wasm

  Calculates Pennock landform classification from a digital elevation model.

• Percent Elevation Range

  wasm

  Calculates percent elevation range from a digital elevation model.

• Relative Topographic Position

  wasm

  Calculates relative topographic position from a digital elevation model.

• Max Anisotropy Deviation

  wasm

  Calculates maximum anisotropy deviation of the terrain from a digital elevation model.

• Max Anisotropy Deviation Signature

  wasm

  Generates a maximum anisotropy deviation signature from a digital elevation model.

• Max Difference From Mean

  wasm

  Calculates maximum difference from mean from a digital elevation model.

• Max Elevation Deviation Signature

  wasm

  Calculates maximum elevation deviation at multiple scales to characterize terrain features.

• Max Elevation Deviation

  wasm

  Calculates maximum elevation deviation from a digital elevation model.

• Multiscale Curvatures

  wasm

  Calculates multiscale curvatures from a digital elevation model.

• Multiscale Elevated Index

  wasm

  Calculates a multiscale elevated index from a digital elevation model.

• Multiscale Elevation Percentile

  wasm

  Calculates multiscale elevation percentile from a digital elevation model.

• Multiscale Low-Lying Index

  wasm

  Calculates a multiscale low-lying index from a digital elevation model.

• Multiscale Roughness

  wasm

  Calculates multiscale roughness from a digital elevation model.

• Multiscale Roughness Signature

  wasm

  Calculates a multiscale roughness signature from a digital elevation model.

• Multiscale Std Dev Normals

  wasm

  Calculates spherical standard deviation of terrain normals at multiple scales, outputting its maximum and associated scale.

• Multiscale Std Dev Normals Signature

  wasm

  Extracts point-based per-scale standard deviation of normals signatures and saves them as an HTML plot.

• Multiscale Topographic Position Image

  wasm

  Calculates a multiscale topographic position image to characterize relief, local landforms, or surface behavior.

• Topographic Position Animation

  wasm

  Calculates a topographic position animation from a digital elevation model.

• Average Normal Vector Angular Deviation

  wasm

  Calculates average angular deviation of the normal vector from a digital elevation model.

• Circular Variance of Aspect

  wasm

  Calculates circular variance of aspect from a digital elevation model.

• Edge Density

  wasm

  Calculates edge density from a digital elevation model.

• Ruggedness Index

  wasm

  Calculates a terrain ruggedness index from elevation differences between neighboring cells.

• Spherical Std Dev of Normals

  wasm

  Calculates spherical standard deviation of normals in a window to measure surface roughness and complexity.

• Standard Deviation of Slope

  wasm

  Calculates standard deviation of slope from a digital elevation model.

• Average Horizon Distance

  wasm

  Calculates average horizon distance from a digital elevation model.

• Horizon Angle

  wasm

  Calculates horizon angle from a digital elevation model.

• Horizon Area

  wasm

  Calculates horizon area from a digital elevation model.

• Openness

  wasm

  Calculates openness from a digital elevation model.

• Shadow Animation

  wasm

  Calculates a shadow animation from a digital elevation model.

• Shadow Image

  wasm

  Calculates a shadow image to characterize relief, local landforms, or surface behavior.

• Sky View Factor

  wasm

  Calculates sky view factor from a digital elevation model.

• Skyline Analysis

  wasm

  Performs skyline analysis from a digital elevation model.

• Time In Daylight

  wasm

  Calculates time in daylight from a digital elevation model.

• Viewshed

  wasm

  Determines areas visible from observation points on a digital elevation model.

• Visibility Index

  wasm

  Calculates a visibility index from a digital elevation model.

• Topo Render

  wasm

  Generates a cartographic representation of relief from a DEM to visualize topographic forms and slopes.