[R-sig-Geo] pieSP: non-finite coordinates

[Milan Kilibarda]

Dear Jue,

Please try to clearly define a reproducible example, next time.
The problem is column with 0 values. Function pieSP can not generate
coordinates for attributes of zero values.

Best,
Milan

On Tue, Oct 21, 2014 at 12:17 PM, Jue Lin-Ye <jl.iccp at gmail.com> wrote:
> Greetings!
>
> I am working with the following code. I am having an error called
> "non-finite coordinates". May you tell me what does it exactly mean and how
> to fix it?
>
> On the other hand, I see that my original percentages in "pie.chart" is
> changed when converting to "pies" (I have written them both in boldface).
> Why does this happen and how can I fix it?
>
> Thank you in advance!
>
>
>>* pie.chart*
>         wana long   lat prob1 prob2 prob3 prob4
>
> *[1,] 2125149 3.42 42.42   106  5292  5198     0[2,] 2125147 3.42 42.25
> 15  4241  5205     0*
>> pie.chart<-data.frame(pie.chart)
>> coordinates(pie.chart)<-~long+lat
>> proj4string(pie.chart) <-llCRS
>> pie.chart
> class       : SpatialPointsDataFrame
> features    : 2
> extent      : 3.42, 3.42, 42.25, 42.42  (xmin, xmax, ymin, ymax)
> coord. ref. : +proj=longlat +ellps=WGS84
> variables   : 5
> names       :    wana, prob1, prob2, prob3, prob4
> min values  : 2125147,    15,  4241,  5198,     0
> max values  : 2125149,   106,  5292,  5205,     0
>>
> pies<-pieSP(pie.chart,zcol=c(paste0("prob",c(1:length(SUB.COL.NAMES)))),max.radius=10000)
> *Error in .local(obj, ...) : non-finite coordinates*
>> *pies*
> class       : SpatialPolygonsDataFrame
> features    : 8
> extent      : 3.298831, 3.540708, 42.16017, 42.47187  (xmin, xmax, ymin,
> ymax)
> coord. ref. : +proj=longlat +ellps=WGS84
> variables   : 8
> names       : id,    wana, prob1, prob2, prob3, prob4,   pie, pie2
>
> *min values  :  1, 2125147,    10,   489,  5379,  3071, prob1,    1 max
> values  :  2, 2125149,    17,   598,  5775,  4718, prob4,    4 *
>>
>
> --
> Jue Lin-Ye
>
>         [[alternative HTML version deleted]]
>
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-- 
Dr. Milan Kilibarda
Assistant professor
University of Belgrade,
Faculty of Civil Engineering,
Department of Geodesy and Geoinformatics,
Address: Bulevar kralja Aleksandra 73  11000 Belgrade, Serbia,
Mail:  kili at grf.bg.ac.rs
Web: http://www.grf.bg.ac.rs/fakultet/pro/e?nid=168 ;  http://dailymeteo.org/
Pub: http://scholar.google.com/citations?user=Zl2MZ3AAAAAJ&hl=en
tel:+381 11 3218630