meuse.riv

0th

Percentile

River Meuse outline

The meuse.riv data consists of an outline of the Meuse river in the area a few kilometers around the meuse data set.

The meuse.area polygon has an outline of meuse.grid. See example below how it can be created from meuse.grid.

Keywords
datasets
Usage
data(meuse.riv)
data(meuse.area)
Details

x and y are in RDM, the Dutch topographical map coordinate system. See examples of spTransform in the rgdal package for projection parameters.

Format

meuse.riv: two-column data.frame containing 176 coordinates.

meuse.area: two-column matrix with coordinates of outline.

References

See the meuse documentation

Aliases
  • meuse.riv
  • meuse.area
Examples
# NOT RUN {
data(meuse.riv)
plot(meuse.riv, type = "l", asp = 1)
data(meuse.grid)
coordinates(meuse.grid) = c("x", "y")
gridded(meuse.grid) = TRUE
image(meuse.grid, "dist", add = TRUE)
data(meuse)
coordinates(meuse) = c("x", "y")
meuse.sr = SpatialPolygons(list(Polygons(list(Polygon(meuse.riv)),"meuse.riv")))
spplot(meuse.grid, col.regions=bpy.colors(), main = "meuse.grid",
  sp.layout=list(
	list("sp.polygons", meuse.sr),
	list("sp.points", meuse, pch="+", col="black")
  )
)
spplot(meuse, "zinc", col.regions=bpy.colors(),  main = "zinc, ppm",
  cuts = c(100,200,400,700,1200,2000), key.space = "right",
  sp.layout= list("sp.polygons", meuse.sr, fill = "lightblue")
)

# creating meuse.area from meuse.grid:
if (require(rgeos)) {
    meuse.area = gUnaryUnion(as(meuse.grid, "SpatialPolygons"))
	plot(meuse.area)
}

# }
Documentation reproduced from package sp, version 1.4-2, License: GPL (>= 2)

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