Dear list,

After plotting this toy example on Google Earth I would like to add a date/time stamp to it so that the locations will be shown in sequence using the time slider. I am not quite sure how to approach this, can I add a date/time to my spatial points and then submit it to plotKML ? What format does the date/time stamp have to be in to be plotted on Google Earth ?

Many thanks for any suggestions.

Regards,

Juliane


xc = round(runif(10,-1,1)+27.2, 2)
yc = round(runif(10,-1,1)+-82.5, 2)
xy = cbind(xc, yc)
xy.sp = SpatialPoints(xy)
df = data.frame(z1 = round(5 + rnorm(10), 2), z2 = 20:29)
SP.spdf = SpatialPointsDataFrame(xy.sp, df)
plot(SP.spdf)
#add a projection
proj4string(SP.spdf) = CRS("+proj=longlat +datum=WGS84")
plotKML(SP.spdf,kmz = FALSE)

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