Use ggplot2::fortify - there's several other ways but no "native" support.
If fortify doesn't work try spbabel::sptable.
All the best
On Fri, Feb 1, 2019, 05:46 David Winsemius <dwinsem...@comcast.net> wrote:
>
> On 1/30/19 7:12 AM, javad bayat wrote:
> > Dear all;
> > Back to my previous question, I am trying to add X and Y coordinates
> > to every row of the data.
> >
> > topo =
> >
> readOGR("E:/New/Modelling_Water/MIKE/BathyMetry/GIS_Armator/Chitgar_Topo.shp")#Read
>
> > shape file of the topo as polylines
> > plot(topo)
> > cords = topo@lines[[1]]@Lines[[1]]@coords###Extracting X and Y
> > coordinates of the polylines of topo
> >
> > head(topo@data)
> > FID_ Entity Layer Color Linetype Elevation
> > 0 LWPolyline C-TOPO-MAJR 9 Continuous 1258.0
> > 0 LWPolyline C-TOPO-MAJR 9 Continuous 1258.5
> > 0 LWPolyline C-TOPO-MAJR 9 Continuous 1258.5
> > 0 LWPolyline C-TOPO-MAJR 9 Continuous 1258.5
> > 0 LWPolyline C-TOPO-MAJR 9 Continuous 1258.5
> > 0 LWPolyline C-TOPO-MAJR 9 Continuous 1258.5
>
>
> I did a google-search on "lwpolyline" and it appears to be a structure
> that is created with AutoCAD. So it's unlikely that people who are
> primarily users of R's spatial data structures will know how rgdal
> (which is a layer on top of GDAL) will have implemented the importation
> of such a structure into R. You should instead provide the output of
> `dput (head(topo@data) )` if you want more informed comments.
>
>
> David.
>
> >
> > How can I do this.
> > Sincerely.
> >
> > On Sat, Jan 26, 2019 at 9:37 AM javad bayat <j.bayat...@gmail.com
> > <mailto:j.bayat...@gmail.com>> wrote:
> >
> > Dear R users;
> > I am trying to extract the X and Y coordinates of a polylines
> > along with Elevation data. I have extracted the Elevations as Z,
> > but I do not know how to extract the X and Y of these Elevations.
> > Is it possible to extract X and Y of the Elevation and create a
> > data frame with three variables?
> >
> > line = readOGR("E:/......../Topo.shp")
> > Z = line@data$Elevation
> >
> > Sincerely.
> >
> > --
> > Best Regards
> > Javad Bayat
> > M.Sc. Environment Engineering
> > Alternative Mail: bayat...@yahoo.com <mailto:bayat...@yahoo.com>
> >
> >
> >
> > --
> > Best Regards
> > Javad Bayat
> > M.Sc. Environment Engineering
> > Alternative Mail: bayat...@yahoo.com <mailto:bayat...@yahoo.com>
>
> [[alternative HTML version deleted]]
>
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>
--
Dr. Michael Sumner
Software and Database Engineer
Australian Antarctic Division
203 Channel Highway
Kingston Tasmania 7050 Australia
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