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Questions tagged [hec-georas]

HEC-GeoRAS is a set of procedures, tools, and utilities for processing geospatial data in ArcGIS using a graphical user interface (GUI). The interface allows the preparation of geometric data for import into HEC-RAS and processes simulation results exported from HEC-RAS.

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“Export Ras Data” on HEC-GeoRas doesn't work?

I use ArcGIS 10.2 and I installed HEC-GeoRAS 10.2 on it as well to define the geometric data as input to HEC-RAS. I go over all the steps, and my "Rivers" and "XSCutLines" attribute tables seem to be ...
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Assigning XS Cut Line Attributes like River/Reach Name, Stationing, Bank Lines, etc?

I'm working on a flood inundation project as my research study of my course. I am now assigning XS Cut Line Attribute (after constructing the XS Cut Lines) in HEC-Georas > RAS Geometry > XS Cut Lines ...
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Cross section of the river

I am working in ArcGIS 10.5 and HEC-GeoRAS. I want to make cross section of a river, with cross section intervals of 100 metres. As there is option in hec-geo Ras to make the cross section with ...
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Create XS cut lines having the coordinates of the cross sections

I am working with HEC-GeoRAS in ArcMap 10.3.1. and I am trying to create the cross section cut lines. I have the coordinates (X,Y) of the cross sections of the river. Is it possible to create ...
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Feature class - HEC-GeoRAS

I am currently working with HEC-GeoRAS I am trying to import data from a shapefile into the feature class River. I would like to insert a type of data DOUBLE in the attribute ARCLENGTH of the table ...
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145 views

Flood Plain Mapping using HEC-GeoRAS and ArcMap?

How can I get complete bounding polygon of XS CutLines for flood plain mapping (Flood Inundation Mapping) using HEC-GeoRAS and ArcMap 10.3? When I tried to perform this task, the bounding polygon ...
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Modelling open water flow in TIN-model using ArcGIS for Desktop?

I have a TIN-model created from 1800 xyz-coordinates (that I also have). There is an pipe leading all the water in and on for all the water out. I would very much like to simulate movement of the ...