I am using ArcSWAT.I encounter some problems when I try to estimate the flow through these GIS files. I loaded my land use after the watershed delineation, but when I tried to add my look up table, and select "Cropland data layer", I got this error message(error 1).
"The grid value 0 has not been defined.
Please define this grid value."
I double click the 'value 0' and select one of an item for it(Crop-AGRR), but 'Land Use\Soils\Solpe Definition can't complete this time. Then I add my look up table again, but select "User Table" this time, just like running the Example1 which come with the SWAT model, but I got another error message(error 2).
'An error has occurred in the application. Record the call stack sequence and description error.
Error call stack sequence
fromChoose2LUSoilsfunctions.vb
Error Number
5
Description
Argument ‘Length’ must be greater or equal to zero'
I appreciate it if someone could give me some suggestions.
Change time format of your pc to US, Use English United States as default language, then. Define lookup table, it would be a text file using codes for all landuse classes as pre defined in ArcSwat of if you are unable to create lookup textfile then simply select user defined and select proper landuse code from list. Never select two same codes.
or
This error also caused by improper installation of ArcSwat, Or ArcSwat project folder or Installation file not have full admin access, Change property of both folders and provide admin access. if all not work , you must restart and repair installation.
I think you should try import land use lookup table in various formats, including ASCII, and dBase.
I hope you succeed!
ND Liem
Mr Liu Can you tell me how you solved this problem as I am facing the same problem now?
Mr Liu, i also have the same problem. Can you please tell me how did you solve the problem?
When run landuse reclassify (ArcSwat) I receive a message: the grid value 1 has not been defined. Please define this grid value in land use. Anybody Knows Why?
because it have some grid not define value check to find that grid
The main reasons behind such errors are that you have either not created the lookup table properly, not reclassified your data, or your system language is not US English.
Mr Liu, i also have the same problem. Can you please tell me how did you solve the problem?
@ Ranju Chapagain
@ Cidem Argunhan Atalay
A recommended approach to avoid such error is to use .dbf file for introducing soil and landuse lookup table to SWAT.
Sometimes this error is because some of the land use codes are not defined properly in your LookUp table. text files work as well once all codes are defined.
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