r.mapcalc, floating point
Malcolm Williamson
malcolm at cast.uark.edu
Fri Oct 24 09:52:22 EDT 1997
Try simply inserting a decimal point in the value "1000": "1000.0". This
should force floating point calculations.
--
Malcolm D. Williamson - GIS Specialist E-mail: malcolm at cast.uark.edu
Center for Advanced Spatial Technologies Telephone: (501) 575-6159
Ozark Rm. 12 Fax: (501) 575-5218
University of Arkansas
Fayetteville, AR 72701 http://www.cast.uark.edu
On Thu, 23 Oct 1997 grass at genie.saff.utah.edu wrote:
> Help please,
> here is the simple r.mapcalc I'd like to run:
> snoele12_37 = 228*exp(1.2,elevation/1000)
> It runs, however the 'elevation/1000' doesn't seem to hold a floating
> point during the evaluation. Therefore the only values in my map are 228,
> 274 which equals 228*exp(1.2,1) and 328 which equals 228*exp(1.2,2). I
> would really like all values in between. Any suggestions?
>
> Jason Carey
> Snow Hydrology
> University of Utah
>
>
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