[Freegis-list] arc ascii grid

[Timothy H. Keitt]

On rereading the description at climatesource.com, I see that the origin 
of the grid is upper left.  Thanks again.

Tim

Timothy H. Keitt wrote:

> Thanks for the link.  It seems there is some confusion about this as 
> one person already responded saying "center" not "edge".  Also, is the 
> first data value encountered the upper-left corner or lower-left?
>
> Tim
>
> Matt.Wilkie wrote:
>
>>> Do the "xllcorner" and "yllcorner" coordinates refer to the center 
>>> of the grid cell or the edge of the grid cell?  E.g.,
>>>
>>
>> They refer to the edge of the cell.
>>
>> See the first link for more details:
>> http://www.google.com/search?client=googlet&q=arc%20ascii%20grid%20format%20 
>>
>>
>> cheers,
>>
>> -matt
>>
>> -----------------------------------------------------------------
>> Matt Wilkie * Yukon Renewable Resources GIS
>> http://renres.gov.yk.ca/pubs/rrgis/
>> -----------------------------------------------------------------
>>
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>

-- 
Timothy H. Keitt
Department of Ecology and Evolution
State University of New York at Stony Brook
Stony Brook, New York 11794 USA
Phone: 631-632-1101, FAX: 631-632-7626
http://life.bio.sunysb.edu/ee/keitt/