[R-sig-Geo] Help

[Ben Tupper]

Welcome to r-sig-geo!

I don't think that you haven't provided us enough information so that we
can help.  On the other hand, does the example below using expand.grid help?

minx <- 20
maxx <- 25
miny <- 31
maxy <- 36
pixel <- 1
grd <- expand.grid(x = seq(minx, maxx, by=pixel), y = seq(miny, maxy,
by=pixel))

Ben

On Thu, Jan 9, 2020 at 11:41 AM Bakary Faty <bakaryfaty using gmail.com> wrote:

>
> Dear,
>
> I'm writing to express my wish to join R-sig-geo list users.
> I was doing a search on the net to know how to build an isohyet map and I
> came across this R code.
> However, I stumbled upon a problem from the line :
> grd <- expand.grid(x=seq(minx, maxx, by=pixel), y=seq(miny, maxy,
> by=pixel)),
> I get the following error message:
> default method not implemented for type 'S4'. I want to know how resolve
> this error.
>
> Also, I would like to ask you only at the line level:
> minx <- rain_data_UTM at bbox[1,1]
> maxx <- rain_data_UTM at bbox[1,2]
> miny <- rain_data_UTM at bbox[2,1]
> maxy <- rain_data_UTM at bbox[2,2],
> if I should limit myself to "rain_data_UTM" or write completely:
> rain_data_UTM at bbox[,].
>  By the way, this is the pointfile I reconstructed.
> You can find it attached to the mail.
>
> Thanks in advance
>
> Best regards
>
>
>
> Bakary
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>


-- 
Ben Tupper
Bigelow Laboratory for Ocean Science
West Boothbay Harbor, Maine
http://www.bigelow.org/
https://eco.bigelow.org

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