[R] Static to interactive map (leaflet spplot)

[Adams, Jean]

Deb,

I assume you have already seen the great introduction to leaflet here ...
http://rstudio.github.io/leaflet/

You may find these two answers on stackoverflow helpful ...

http://stackoverflow.com/a/28240058/2140956
http://stackoverflow.com/a/29118680/2140956


Jean

On Tue, Feb 2, 2016 at 5:28 PM, Debasish Pai Mazumder <pai1981 at gmail.com>
wrote:

> Hi ALL,
>
> I have a script to plot hexagonal polygon on a map. Its a static map. I
> used spplot. I would like to convert this plot to interactive plot using "
> *leaflet*". How do I make it interactive plot?
>
> Here is spplot lines:
>
> cl = map("world", xlim = c(-120, 20), ylim = c(-10, 70), plot = TRUE)
> cl = map("world",plot = TRUE)
> clp = map2SpatialLines(cl, proj4string = CRS(ll))
> clp = spTransform(clp, CRS(lcc))
> l2 = list("sp.lines", clp, col = "black", lty = 1, lwd = 3)
>
> cr = colorRampPalette(brewer.pal(9,"YlOrRd"))(100)
>
> require(grid)
> spplot(hspdf, "CDP", col = "white", col.regions = cr,
>             sp.layout = list(l2),
>             at = seq(0,100,10),
>             sub = list("CDP", cex = 1.5, font = 2))
>
> where
> > hspdf
> class       : SpatialPolygonsDataFrame
> features    : 95
> extent      : -4141330, 3748528, 1530846, 6914278  (xmin, xmax, ymin, ymax)
> coord. ref. : +proj=lcc +lat_1=60 +lat_2=30 +lon_0=-60 +ellps=WGS84
> variables   : 4
> names       : hexid, count, hct,               CDP
> min values  :    37,     1,   1, 0.136612021857923
> max values  :   448,     7,   3,  39.4391854927413
>
> CDP values of each hexagonal polygon.
>
> -Deb
>
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>
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