[Dhsvm-users] RE: Negative value for stream bank height
Safeeq
safeeq at hawaii.edu
Fri Jun 20 00:49:58 PDT 2008
Thanks Chris
I thought instead of editing manually give another try and it worked. The
only thing I changed is the shape of DEM. Before I was using DEM of similar
size and shape as MASK but this time I clipped in rectangular shape and
slightly bigger than the MASK. I don't understand rational behind this since
that arc with negative values was located in the middle of study area but it
worked.
Safeeq
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Today's Topics:
1. Negative value of stream bank height (safeeq)
2. Over ride the negative value (Surfleet, Christopher)
3. Problem-->Assertion failed: TableDepth (Cuhaciyan @ UI)
4. Re: Problem-->Assertion failed: TableDepth (Matt Wiley)
----------------------------------------------------------------------
Message: 1
Date: Wed, 18 Jun 2008 12:56:05 -1000
From: safeeq <safeeq at hawaii.edu>
Subject: [Dhsvm-users] Negative value of stream bank height
To: dhsvm-users at u.washington.edu
Message-ID: <000001c8d196$7d2845b0$fd7dab80 at uhmwomh5678ot4>
Content-Type: text/plain; charset="us-ascii"
Aloha DHSVM users
I am getting this -9499.0498 value of stream bank height for one of the main
stream arc located in the middle of watershed. Initially I was trying to
create the stream network by giving the source area but no where I came
close to what actual stream is. Then I converted the stream network shape
file which I obtained from state GIS layer resource site and started using
it. After running the AML scripts I was getting too many -1 value in the
stream network file for destination channel id. When I started exploring why
this is happening then I saw that some of the arcs are not connected in the
shape file that I was using to generate stream coverage. After joining the
arc through topology tool in arcgis I was able to fix the -1 problem but
-9499.0498 are still there. Just to clarify that -9499.0498 was only showing
in one arc so I guess this has nothing to do with -1 problem.
Any idea what could be the possible reason? I saw in the forum some body
was having similar problem in generating road network. I tried using mask
with -9999 and mask with 0 but there is no difference in the output.
Thanks in advance
********************************************************
Mohammad Safeeq
Graduate Student, Sherman Lab. 242
1910 East West Rd.Honolulu, HI 96822 USA
Phone: (808) 956 7518(O),941 9178 (R)
Email: safeeq at hawaii.edu
http://www2.hawaii.edu/~safeeq/
"Leave the World better than you found it, take no more than you need, try
not to harm life or the environment, make amends if you do." Paul Hawken
**********************************************************
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Message: 2
Date: Wed, 18 Jun 2008 16:59:25 -0700
From: "Surfleet, Christopher" <Chris.Surfleet at oregonstate.edu>
Subject: [Dhsvm-users] Over ride the negative value
To: "User Support list for DHSVM Model" <dhsvm-users at u.washington.edu>
Message-ID:
<451453C181B199458A55B2B1723FAC000ED3D7 at SAGE.forestry.oregonstate.edu>
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Mohammad,
I found that I was getting some of these extremely odd values for some
of my road and stream bank heights. I never figured out why, but I
found if I manually entered values that were reasonable for the
locations that had the bad heights I got successful model output. My
approach does not answer your question but my experience was that
manually over-riding the problem areas worked as a solution.
Chris
________________________________
From: dhsvm-users-bounces at mailman1.u.washington.edu
[mailto:dhsvm-users-bounces at mailman1.u.washington.edu] On Behalf Of
safeeq
Sent: Wednesday, June 18, 2008 3:56 PM
To: dhsvm-users at u.washington.edu
Subject: [Dhsvm-users] Negative value of stream bank height
Aloha DHSVM users
I am getting this -9499.0498 value of stream bank height for one of the
main stream arc located in the middle of watershed. Initially I was
trying to create the stream network by giving the source area but no
where I came close to what actual stream is. Then I converted the stream
network shape file which I obtained from state GIS layer resource site
and started using it. After running the AML scripts I was getting too
many -1 value in the stream network file for destination channel id.
When I started exploring why this is happening then I saw that some of
the arcs are not connected in the shape file that I was using to
generate stream coverage. After joining the arc through topology tool in
arcgis I was able to fix the -1 problem but -9499.0498 are still there.
Just to clarify that -9499.0498 was only showing in one arc so I guess
this has nothing to do with -1 problem.
Any idea what could be the possible reason? I saw in the forum some
body was having similar problem in generating road network. I tried
using mask with -9999 and mask with 0 but there is no difference in the
output.
Thanks in advance
********************************************************
Mohammad Safeeq
Graduate Student, Sherman Lab. 242
1910 East West Rd.Honolulu, HI 96822 USA
Phone: (808) 956 7518(O),941 9178 (R)
Email: safeeq at hawaii.edu
http://www2.hawaii.edu/~safeeq/
"Leave the World better than you found it, take no more than you need,
try not to harm life or the environment, make amends if you do." Paul
Hawken
**********************************************************
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Message: 3
Date: Thu, 19 Jun 2008 11:17:53 -0600
From: "Cuhaciyan @ UI" <cuhaciyan at uidaho.edu>
Subject: [Dhsvm-users] Problem-->Assertion failed: TableDepth
To: dhsvm-users at u.washington.edu
Message-ID:
<bf91065c0806191017w1018c5bagb684d2427918aca8 at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"
Has anyone found an answer to this problem? Assertion failed: TableDepth <=
TotalDepth, file ..\..\..\WaterTableDepth.c, line 150. I am fairly sure it
is a problem with an input and not a problem with the code itself.
--
Christopher O. Cuhaciyan, PhD
Assistant Research Professor
University of Idaho, Center for Ecohydraulics
USDA FS, Boise Aquatic Sciences Lab
322 E Front St. Ste #401
Boise, ID 83702
208.373.4353 office
208.921.3935 cell
cuhaciyan at uidaho dot edu
"Somewhere, something incredible is waiting to be known." Carl Sagan
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Message: 4
Date: Thu, 19 Jun 2008 10:32:22 -0700
From: Matt Wiley <mwwiley at 3tiergroup.com>
Subject: Re: [Dhsvm-users] Problem-->Assertion failed: TableDepth
To: User Support list for DHSVM Model <dhsvm-users at u.washington.edu>
Message-ID: <6AF350AD-B589-4FB7-A929-C1EF458F5386 at 3tiergroup.com>
Content-Type: text/plain; charset=UTF-8; format=flowed; delsp=yes
Look at your met files around the date of the error. You may have a
negative or missing precip value.
Matt
____________________________
Matthew Wiley
Hydro Forecasting Engineer
3TIERb , Inc.
2001 Sixth Avenue, Suite 2100
Seattle, WA 98121
phone: 206.708.8446
fax: 206.708.8447
email: mwwiley at 3tiergroup.com
On Jun 19, 2008, at 10:17 AM, Cuhaciyan @ UI wrote:
Has anyone found an answer to this problem? Assertion failed:
TableDepth <= TotalDepth, file ..\..\..\WaterTableDepth.c, line 150.
I am fairly sure it is a problem with an input and not a problem with
the code itself.
--
Christopher O. Cuhaciyan, PhD
Assistant Research Professor
University of Idaho, Center for Ecohydraulics
USDA FS, Boise Aquatic Sciences Lab
322 E Front St. Ste #401
Boise, ID 83702
208.373.4353 office
208.921.3935 cell
cuhaciyan at uidaho dot edu
"Somewhere, something incredible is waiting to be known." Carl Sagan
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