[Dhsvm-users] Re: project_mask

[HART JEK]

Sujan,
  
As you wish to know about mask file. In fact the mask file hides all those areas which lie outside wateshed boudry. These pixels are not processed in futther simulation.
To prepare the mask file you have to take the following  steps:
1- Digitize watershed boundry from topographic map,
2-Clip the DEM with this polygon coverage in arcinfo, this would assign nodara values -9999 to all pixels lying  ourside the watershed boundary,
3- Convert the Mask grid to ascii format by using grid ascii utility.
4-Replace -9999 to 0.
5-remove six line header and convert the file to bin files.
 
 
 

sujan koirala <sujan_koirala at hotmail.com> wrote:

hi
how have u been?
so far i have completed the tutorial and i got the output.but its different 
than that in website.
if u need that file i can mail it to you
thank u

>From: Julia Lindeman 

>Reply-To: User Support list for DHSVM Model 
>To: dhsvm-users at u.washington.edu
>Subject: [Dhsvm-users] Re: project_mask
>Date: Wed, 14 Sep 2005 09:13:44 -0600 (MDT)
>
>Sujan,
>
>I do not seem to have needed a project_mask file. However, all I have
>done with the DHSVM so far is the tutorial. Are you working on the
>tutorial? If so, at what point in the tutorial are you at?
>
>Julia
>
>
>
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> > 1. (no subject) (sujan koirala)
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> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Sun, 11 Sep 2005 08:33:38 +0000
> > From: "sujan koirala" 
> > Subject: [Dhsvm-users] (no subject)
> > To: dhsvm-users at u.washington.edu
> > Message-ID: 
> > Content-Type: text/plain; format=flowed
> >
> > dear users
> > i would like to know how the file named project_mask is created. and 
>what
> > is
> > the basic input needed to create this file?
> > hope u will help me in completing my research..
> > thanking u
> > sujan
> >
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