Code covered by the BSD License  

Highlights from
Upslope area functions

image thumbnail
from Upslope area functions by Steve Eddins
Functions for computing and visualizing upslope area, influence map, dependence map

Contents.m
% Upslope Area Toolbox
% Version 1.4.2 17-Sep-2009
%
% Requires Image Processing Toolbox(TM).
%
% border_nans          - Find NaNs connected to DEM border
% dem_flow             - Downslope flow direction for a DEM
% dependence_map       - Dependence map for pixel flow in a DEM
% facet_flow           - Facet flow direction
% fill_sinks           - Fill interior sinks in a DEM
% flow_matrix          - Linear equations representing pixel flow
% influence_map        - Influence map for pixel flow in a DEM
% pixel_flow           - Downslope flow direction for DEM pixels
% postprocess_plateaus - Replace upslope areas for plateaus with mean value 
% upslope_area         - Upslope area measurements for a DEM
% vis_dem_flow         - Visualize flow directions in a DEM
% vis_map              - Visualize influence or dependence map for a DEM
%
% milford_ma_dem.mat   - Sample DEM data provided by USGS and distributed
%                        via Geo Community (geoworld.com), a USGS data
%                        distribution partner.  The data set is a 1:24,000-scale
%                        raster profile digital elevation model.  Download the
%                        "Milford" file from the "Digital Elevation Models (DEM)
%                        - 24K Middlesex County, Massachusetts, United States"
%                        page: 
%
%                        http://data.geocomm.com/catalog/US/61059/526/group4-3.html
%                        
%
% Steven L. Eddins
% Copyright 2007-2009 The MathWorks, Inc.

Contact us at files@mathworks.com