Skip to main content

Questions tagged [hec-geohms]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1 vote
0 answers
58 views

HEC-GeoHMS Outlet Point Connectivity

The "Check Data" option in HMS tab of HEC-GeoHMS is showing a problem in the VIP relevance points which is as follows: Checking project points [VIP points]... Checking VIP Point: Outlet1 ...
HarshUp's user avatar
  • 11
1 vote
0 answers
996 views

Getting error while running Longest Flow Path for catchment

I am getting the following error while executing the Longest Flow Path for Catchments in Arc Hydro Tools. The tool requires a catchment shapefile which is in float and other file is flow direction (...
Ed_Gravy's user avatar
  • 143
0 votes
2 answers
3k views

Parameters of the Muskingum-Cunge Model in HEC-HMS

I'm trying to simulate the flow of a river in HEC-HMS and for the routing model, I have chosen to use Muskingum-Cunge. In preparing the model, I used HEC-GeoHMS. When I got to check the parameters ...
Orca's user avatar
  • 31
0 votes
1 answer
757 views

LongestFlowpath error

I get this error every time I try to get the longest flowpath. It says that the spatial reference is not set for the input(s), yet all layers in my table of contents are set in the same spatial ...
NickelGrey's user avatar
2 votes
1 answer
3k views

DEM reconditioning?

I'm using ArcGIS Desktop 10.5 Arc Hydro Toolbox & encountered a problem while trying to delineate watersheds respectively drainage lines. The red lines indicate my obtained drainage lines, which ...
Olli's user avatar
  • 153
0 votes
1 answer
949 views

HEC-GeoHMS : Connectivity missing

I am trying to make a simulation using HEC-GeoHMS in ArcGIS and I have encountered a problem near the final steps. In the drop-down menu HMS, when I click "Check Data", a report is being done and ...
user avatar
3 votes
2 answers
983 views

Using Longest Flow Path tool from HEC-GeoHMS in loop with Arcpy

I have a feature class made of hundreds of polygons, that I need to determine the longest flow path for using HEC-GeoHMS. As anyone who has used this tool knows, you can't just pass the toolset the ...
traggatmot's user avatar
  • 2,100
1 vote
1 answer
200 views

HCS geo HMS slope calculation issue

I am using slope function from geoHMS Toolkit in arcMap 10.3. After the execution of the function the river attribute table is showing 0 in all the fields of slope,ElevUP and Elev down. I am ...
Rohit Haritash's user avatar
5 votes
1 answer
482 views

HEC GeoHMS generates wrong catchment area

I am trying to define a catchment area automatically with HEC Geo HMS (ArcGIS version 10.1). My input-data is a DEM-file (raster 1m). After doing all steps in HEC Geo HMS, the catchment area (see ...
jul.ia's user avatar
  • 51
0 votes
1 answer
6k views

Downloading Hec-GeoHMS for ArcGIS 10.3.1?

I can't download geohms from this link http://www.hec.usace.army.mil/software/hec-geohms/. Can anyone help me to get Hec-GeoHMS for ArcGIS 10.3.1? The doesnot responds and I could not get a Hec-...
Mohammed Hasif Meera S's user avatar
3 votes
1 answer
5k views

DEM Stream Burning

I would like to ask you guys how would i burn streams in DEM the following images will help understand what I would like to do. this is my DEM and the blue lines are my rivers. However, when I ...
vklopt's user avatar
  • 469
1 vote
1 answer
1k views

Unable to delineate inundation map from HEC-RAS to Hec-GeoRAS?

I am trying to delineate the flood map generated from HEC-RAS by importing them into the HEC-GeoRAS. However, I got this error: How will I resolve this?
vklopt's user avatar
  • 469
1 vote
3 answers
670 views

Unable to process "subbasin parameters from raster"

I was wondering why do i have a different interface for subbasin parameters from raster window. . i image is displayed below. instead of this. .
vklopt's user avatar
  • 469
0 votes
1 answer
214 views

River channel is cut after rendering flow accumulation in hec-hms?

I'm trying to generate flow accumulation using hec-geohms and I have already done some terrain processing using the DEM. I was really confused what happened, why has the river channel been cut? what ...
vklopt's user avatar
  • 469