Re: Incorrect values in places of decimals

Try reading the data in double precision rather than float. Replace the “float” with “double”.

—Mary

On Mar 13, 2014, at 2:51 AM, 김미애 <toa0710@naver.com> wrote:

> Hello,
>
>
> I attempted to combine 3 text files into 1 text file.
>
> One is data values, and the others are longitude and latitude.
>
> I made the final text file including the three data, but those values were incorrect.
>
> As shown in down below, those values have too long places of decimals.
>
> I don't know why, but the output text file has different .. incorrect values.
>
> Let's see the first line of it.
>
> 139.998825073242188 49.993419647216797 1.028651834
>
> The last 11 digits are incorrect in longitude and latitude.
>
> The last 2 digits are incorrect in data values.
>
> ....
>
>
> The following is my code.
>
> Where am I doing wrong? How can I get the correct values
>
>
> <My code>
>
> lonlat_data=asciiread("mosaic_lonlat.txt", (/1373413,2/), "float")
>
> predict_data=asciiread("rf_image_prediction1_revised.txt", (/1373413,1/), "float")
>
> ;print(lonlat_data(0:9,1))
>
>
> dims=dimsizes(predict_data)
>
> ny=dims(0) ;1373413
>
>
> predict_data_new=new((/ny,3/),float)
>
> do i=0,ny-1
>
> predict_data_new(i,0)=lonlat_data(i,0)
>
> predict_data_new(i,1)=lonlat_data(i,1)
>
> predict_data_new(i,2)=predict_data(i,0)
>
> end do
>
> predict_data_new@_FillValue=-9999
>
> ;print(predict_data_new(0:9,0:2))
>
> ;exit
>
>
> fmtx="f23.15,f23.15,f15.9"
>
> opt=True
>
> opt@fout="prediction.txt"
>
> write_matrix(predict_data_new,fmtx,opt)
>
>
>
> <The fraction of the output text file with the 3 text files>
>
> 139.998825073242188 49.993419647216797 1.028651834
>
> 140.012084960937500 49.993419647216797 1.051712275
>
> 140.025360107421875 49.993419647216797 0.991534710
>
> 140.038635253906250 49.993419647216797 1.164933443
>
> 140.051895141601563 49.993419647216797 1.189701200
>
> ....
>
>
> <The fraction of data values>
>
> 1.028651821
>
> 1.051712292
>
> 0.991534726
>
> 1.164933449
>
> 1.189701191
>
> 1.110428796
>
> ....
>
>
>
> <The fraction of longitude and latitude>
>
> 139.998818623999990,49.993421150400003
>
> 140.012089035999990,49.993421150400003
>
> 140.025359450000000,49.993421150400003
>
> 140.038629861999990,49.993421150400003
>
> 140.051900275000010,49.993421150400003
>
> 140.065170687999990,49.993421150400003
>
> ...
>
>
>
>
> Thank you so much
>
>
> Miae
>
>
> -------------------------------------------------
> Miae Kim
> School of Urban and Environment Engineering
> Ulsan National Institute of Science and Technology (UNIST)
> UNIST-gil 50, Ulsan 689-798, South Korea
> Mobile: +82-10-9421-8287
> E-mail: toa0710@naver.com
>
> _______________________________________________
> ncl-talk mailing list
> List instructions, subscriber options, unsubscribe:
> http://mailman.ucar.edu/mailman/listinfo/ncl-talk

_______________________________________________
ncl-talk mailing list
List instructions, subscriber options, unsubscribe:
http://mailman.ucar.edu/mailman/listinfo/ncl-talk
Received on Thu Mar 13 08:17:38 2014