A base map layer provides high-quality background aerial and other imagery from different online map providers to add context to...

This video details how to add and georeference an AutoCAD drawing file for a HEC‑RAS model. There are two ways of...

The Assign River Reaches command enables the user to quickly assign a polyline as a river reach. Follow these steps...

Within GeoHECRAS, every data layer has its own coordinate reference system which is used to integrate it with other data layers...

GeoHECRAS provides several GIS mapping functions that will automatically map GIS attribute data to the HEC‑RAS model. These functions include:...

GeoHECRAS can perform the following HEC‑RAS workflows: Floodplain Analysis and Mapping Floodplain Encroachment Studies Roadway Crossing (Bridge & Culvert) Design...

GeoHECRAS software uses OpenStreetMap (OSM) data to construct 3D buildings on the Map View. The Show 3D Buildings command will...

The software allows you to copy and paste model elements within a project and even between projects when two or...

The software allows you to copy and paste model elements between projects. For example, select a cross section from one...

The Crop Base Map command crops the base map (i.e., Google Map, Bing Map, etc.) to the elevation terrain data...

Many times you find yourself having to execute the same processing command repeatedly. For example, using the raindrop flow path...

Digitizing (or drawing) elements on the Map View can be performed using the various HEC‑RAS specific commands (e.g., Draw River...

The Input | River Reaches | Draw River Reaches command enables the user to quickly draw a river reach on the Map View....

The user can rename a river and/or reach by double clicking on the reach name on the Map View. There...

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The Generate Contours command creates equally spaced contour lines from loaded elevation grid data. The user can specify major and...

Digital terrain surfaces can be used for the following tasks: Extracting cross section geometry Computing 2D flow areas Determining bank...

The software allows the user to change the display properties of the following HEC‑RAS elements shown on the Map View: River...

The following best practices should be used when defining, analyzing, and reviewing a HEC‑RAS model: The model results should be...

This video details how to add a GIS shapefile for a HEC‑RAS model. Follow these steps to add a GIS shapefile to a...

GeoHECRAS is a data wrapper to the HEC‑RAS software. It is quite easy to export the HEC‑RAS model that the...

GeoHECRAS is a data wrapper to the HEC‑RAS software. It is quite easy to import any existing HEC‑RAS model. Follow these...

The Input | Cross Sections | Import River Reach Alignment command allows the software to import surveyed river reach alignment from a wide...

Is the Map View of our application just a blank screen and not displaying graphics, no matter what you load?...

The Merge DEMs command is used to merge together multiple elevation grids (sometimes called rasters, DEMs or Digital Elevation Models)...

It’s easy to create professional print outs of HEC‑RAS models in GeoHECRAS, as well as export the HEC‑RAS project to...

The Process LIDAR command provides numerous advanced LIDAR processing tools, including point cloud classification filtering, extraction of buildings and other...

The river flow direction is defined by digitizing the river reach in a downstream direction. The software will display a...

If you have multiple projects opened, you can quickly save all of your projects by selecting the File ribbon menu and...

GeoHECRAS allows the user to select which HEC-RAS version should be used for the analysis computations. The user can select...

Selecting multiple elements can get frustrating, especially if the project has a lot of complex data loaded. To simplify this,...

GeoHECRAS fully supports both Metric (SI) and US units. Default Project Units The software will auto detect the country that the...

The GeoHECRAS user interface has several features that will be examined in detail in the following sections. The user interface...

The Undo and Redo commands are complimentary and can be quite helpful when working on an engineering project. The important...

The Zoom To command enables the user to search and zoom to a specific location or address on the Map...

There are a variety of ways to zoom, pan, and rotate the view within the Map View.  Dynamic Zoom Tool...