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

GeoHECRAS can construct an elevation terrain surface from online elevation data sources or through a local elevation data file. Adding...

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

LiDAR has become an established method for collecting very dense and accurate elevation data across landscapes, shallow-water areas, and project sites....

AutoCAD drawing files can be used as a terrain elevation data source in the following formats: Contour lines Elevation points...

The Convert Elevations command allows elevation grids (also known as digital elevation models, DEMs, and raster elevation grids) to be...

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

This article demonstrates how to convert an ESRI TIN file to an elevation contour shapefile using ArcGIS and the 3D Analyst and...

Often users will export a HEC‑RAS model from GeoHECRAS for project submission. During the process, changes might be made to...

When importing a HEC‑RAS model, the imported model will be assigned to a local coordinate reference system. If the project...

This video tutorial shows you how to georeference a non-georeferenced HEC‑RAS model to a river alignment in real-world coordinates using...

Georeferencing orthomosaic and other aerial imagery can have issues if no projection information is associated with the image file. When...

Creating a HEC-RAS 2D mesh that correctly represents the flow area being modelled can take some time to add the...

This article describes how to fix the HEC‑RAS base engine if you cannot get a HEC‑RAS model imported. When GeoHECRAS imports a...

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

This article and video demonstrates how to convert an ESRI TIN file to an elevation raster using ArcGIS and the...

The software can import HEC‑2 models with the same import capabilities that the Army Corps of Engineers HEC‑RAS software provides....

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

The Import Cross Section Geometry command is used to import surveyed cross section geometry from a wide variety of file...

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

A triangulated irregular network (TIN) is a digital data structure used to representation of a terrain surface. A TIN is a...

With so many civil engineering software applications available, each with their own proprietary database structures, data interoperability has became a major...

The software allows the user to reload a layer by right-clicking on the layer and selecting the Reload Layer command....

After importing data that does not have an assigned coordinate reference system (CRS), the data will be displayed in its...

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

GeoHECRAS can utilize elevation data for creating and generating: Terrain surfaces Cross sections Roadway crossing high chord geometry Inline structure...

GeoHECRAS can utilize a variety of data: HEC‑RAS Projects (*.prj) AutoCAD and Bentley MicroStation Drawing Files (*.dwg, *.dxf) AutoCAD Civil 3D...

GIS software uses two basic types of data: Spatial Data — containing the coordinates and identifying information describing the map itself...