RiverTools 4.0 Capabilities

General Features

• Runs on the latest versions of Windows, Mac & Linux
• 64-bit file and data set support
• Ability to process very large DEMs
• Fast, state-of-the-art algorithms and processing methods
• Automatic multi-core processing
• Toggling between Direct and Object graphics (publication quality)
• Friendly, point-and-click user interface
• Stand-alone application, with embedded IDL license
• Can use IDL (Interactive Data Language) as a scripting language
• User extendable with plug-ins in User menu
• Affordable pricing and academic discounts
• Flexera InstallAnywhere installer
• Personal, floating-network and educational lab licenses
• Great toolkit for teaching & research

Visualization Tools

• Color Shaded Relief
• Contour Plots (line or filled)
• Density Plots
• Color Shaded Aspect
• 3D Surface Plots (mesh, lego)
• River Network Maps
• Points and Channel Sources
• Masked Regions
• Functions (e.g time series or saved profiles)
• Animated Grid Sequences (time-indexed grid stacks)
• ESRI Shapefiles
• DLG (Digital Line Graph) files
• Multi-Layer Plots (vector layers overlaid on raster)
• Map projection of any Display image
• Color Tool, with many color tables and palettes
• Save images in many image formats, now including KML and PDF

Interactive Window Tools

• Line Profile (display grid values along transects)
• Channel Profile (display grid values along streamlines)
• Reach Info (select and compute attributes of any channel reach)
• Value Zoom (view and edit grid values, coordinates, etc.)
• Vector Zoom (contours, cell boundaries and D8 flow vectors)
• Vector Zoom MF (contours, cell boundaries and continuous angle flow vectors)
• Surface Zoom (3D perspective color wire mesh, logo, shaded, etc.)
• Density Zoom
• Relief Zoom (full resolution shaded relief)
• Add Scale Bar (automatic, configurable)
• Add Color Bar (automatic, configurable)
• Add Text (text annotation tool)
• Add Marker (add location markers, different symbols and sizes)
• Flood Image (simulated flooding of the DEM)

Tools allow users to interact with Display windows at full resolution.
Tool windows are automatically linked and track/update together.

Extensive HTML Help System

• Context-sensitive Help button in every dialog
• Illustrated, hyperlinked Tutorials
• Guide to DEM Data Formats
• Complete User's Guide
• Hyperlinked Glossary of Terms
• Helpful, informative error messages and warnings
• RiverTools Command Reference (PDF, describes low-level scripting commands)

Ability to Import Many DEM File Formats

• ARC BIL Binary Raster (.bil + .hdr)
• ARC BIL Binary Raster (.flt + .hdr)
• ENVI Binary Raster (.img + .hdr)
• Flat Binary
• RiverTools Binary (RTG for batch copy)
• USGS SDTS Raster Profile (cel0.ddf)
• USGS Standard ASCII (.dem)
• DTED Level 0, 1 or 2 (.dt0, .dt1)
• GeoTIFF (.tif, including tiled)
• GMT / NetCDF Raster (.grd, .nc)
• GRD98 Raster (NGDC)
• MOLA DEM for Mars (.img + .lbl) (before PDS format)
• NOAA/NOS EEZ Bathymetry
• SRTM DEM (.hgt)
• Surfer 7 Binary DEM (.grd)
• ARC Gridded ASCII Z
• Gridded ASCII XYZ (row-major)
• Gridded ASCII Z (row-major)
• Irregular ASCII XYZ

These formats allow the following elevation data sets and many more to be imported:

• ASTER GDEM
• Australian Geodata 9-second DEM
• CDED (Canadian Digital Elevation Data)
• DTED (Digital Terrain Elevation Data)
• ETOPO1, ETOPO2 and ETOPO5
• GEBCO (Gridded Bathymetric Chart of the Oceans)
• GLOBE (Global Land One-km Base Elevation)
• GLSDEM (Global Land Survey Digital Elevation Model)
• GTOPO30
• IBCAO Arctic Bathymetry
• LIDAR Data (Light Detection and Ranging)
• MOLA (Mars Orbiter Laser Altimeter)
• NED (National Elevation Dataset)
• SRTM (Shuttle Radar Topography Mission)

"Matching wildcard" mechanism allows batch import of tiles, etc.
Smart import feature scans for missing georeferencing info and offers advice.

Flow Grid and River Network Extraction

• D8, D-Infinity and Mass Flux flow grid methods
• Multiple pit-resolution methods
• Multiple flat-resolution methods
• Multiple flow grid "pruning" methods
• Export river channels to Shapefiles with 20 optional attributes
• Graphical basin outlet selection tool

Derived Grids

• Flow direction grids (D8, D-infinity, Mass Flux Method)
• Total and specific contributing area (D8, D-infinity, Mass Flux Method)
• Channel slope (D8, D-infinity, Mass Flux Method)
• Flow distance
• Longest channel length
• Plan, profile, tangential, streamline, mean and Gaussian curvature, etc.
• Basin relief & Horton-Strahler order
• Pfafstetter basin codes
• Topographic Index
• Profile-smoothing tool
• Grid Calculator (compute new grids as mathematical functions of others)

Watershed Delineation

• Basin or subbasin boundaries (RiverTools Vector or shapefile format)
• Watershed segmentation
• Analyze basins by Horton order
• Export basin boundaries to Shapefiles with 36 optional attributes
• General tools for automatic feature masking (e.g lakes, land/sea)
• Basin shape analysis tools

Ellipsoids and Map Projections

• 50 Earth ellipsoid models
• 36 GCTP Map Projections for Object Graphics mode
• 19 Map Projections for Direct Graphics mode
• All area, length and slope calculations account for latitude-dependence
• Can use Geographic or UTM data
• Best-known ellipsoids for other planets and moons

Analysis and Plotting Tools

• Data Summary Table for Strahler Streams
• Generalized Horton Plots
• Empirical Distributions (CDFs) for all Strahler stream attributes
• X vs. Y plots of stream and link attributes
• Smart Histograms and bar plots
• Side tributary matrix (to analyze self-similarity)
• Link Concentration Functions
• Width Functions
• Hypsometric (area-altitude) curves (4 types)
• Area-distance curves
• Longitudinal profiles (elevation and other grids, curve fitting)

DEM and Grid Preparation

• Batch import of DEM tiles with "matching wildcards"
• Graphical, batch mosaicking tool for DEM tiles
• DEM subsetting/ clipping tool (extract georeferenced DEM for a subregion)
• Convert D8 flow grids between ARC, RiverTools, TOPAZ, etc.
• Convert size, data type, units, etc. of grids
• Merge Files (merge RTV, RTM, text and RTG-to-RTS)
• Replace bad values (rubber sheet interpolation to fill holes)
• Replace values (e.g. NaN and nodata values)
• Gzip and ungzip tools

Vector File Format Support

• Overlay vector data in multi-layer plots (points, lines, polygons, etc.)
• Create and Display RiverTools Vector (RTV) format files
• Export RiverTools Vector (RTV) format to Shapefiles
• ARC Shapefiles (read, write or display), display attribute tables
• DLGs (Digital Line Graphs, in SDTS Topological Vector Profile format)

Sample DEM Data Included

• Beaver Creek Geographic (Kentucky, USA, 1 arcsecond)
• Beaver Creek UTM (Kentucky, USA, 30 meters)
• Grand Canyon
• Harvard Glacier
• Kasei Valles (river channels on Mars)
• Kentucky Rills (near Bledsoe, Kentucky)
• Mount Saint Helens (before and after 1984 eruption)
• Mount Sopris
• Oahu (Hawaii)
• Test Surfaces (collection of theoretical surfaces)
• Treynor Experimental Watershed (Iowa)
• Upper Snake River (Colorado, with Keystone ski resort)

RiverTools is a trademark of Rivix, LLC. IDL is a registered trademark of Harris Geospatial Solutions.