geotiffwrite by Jimmy Shen

Write a 2D or 3D array to a single or multi-band GeoTIFF file (earth sciences, dem, earth science)

geotiffwrite(filename, bbox, image, bit_depth, option)

make_option(action)

A fast, simple and versatile algorithm to fill the depressions of digital elevation models by Olivier Planchon

Fills depressions in a DEM with either a plateau or a gentle slope of given steepness. (dem, digital terrain, deppression filling)

SRTM Interpolation by Michael Melzer

The function interpolates between SRTM data points. (interpolation, dem, gps)

GetSRTMDatainterp2(LON,LAT,method)

Image and Terrain Modeling using Incremental Delaunay Triangulation by Omid Sakhi

This program model image/digital elevation data using incremental Delaunay triangulations. (image, terrain, modeling)

aIDT(input_im,max_allowed_error,max_number_of_iterations)

aRDT(input_im,number_of_vertex)

aReCon(dt,z)

Universal Mutli Fractal Random Field Generation by Andrea monti guarnieri

Generate UMF 2D random field. Simulate DEMs, clouds, turbulent fields. (multifractal, levy, fractals)

fractfield=gen_UMF2d(alpha,C1,H,dim);

DEM to volumetiric by Dimitris

converts a Digital Elevation Model (or 2.5D data) to a volumetric raster (or true 3D data) (digital elevation mod..., dem, volumetric)

xy2xyz(XY)

Upslope area functions by Steve Eddins

Functions for computing and visualizing upslope area, influence map, dependence map (hydrology, dem, earth sciences)

border_nans(E)

dem_flow(E, d1, d2)

dependence_map(E, T, arg3, arg4)

ascii2xyz by Andrew Stevens

convert ARC ASCII text file to xyz (data import, data export, import)

xyz=ascii2xyz(varargin)

Raster to XYZ by Joseph Wheaton

Converts an Arc ASCII Raster to a vector point file. (lidar, dem, vector)

Raster2XYZ.m

Detrend DEM by Valley Slope by Joseph Wheaton

Detrends a DEM by Valley Slope (dem, digital elevation mod..., detrending)

DEM_Detrend.m

Hypsometric Integral by Felix Hebeler

Calculates the hypsometric integral for a raster and plot curve (hypsometry, hypsometric integral, dem)

hypsometry(raster, classes, options ,Sa, Sb)

Hillshade by Felix Hebeler

calculates a hillshade for a DEM (matrix) (hillshade, dem, shading)

hillshade(dem,X,Y,varargin)

PDD Melt by Felix Hebeler

Calculates melt for a DEM based on positive degree days factor (earth sciences, model, melt)

meltpdd(dem,T,minalt,params)

Virtual Reality Terrain Modeling by Stacey Gage

Use actual terrain data within Virtual Reality Toolbox. (r14, virtual, visualization)

create_terrain_node.m