circularstring: Make WKT circularstring objects

Description Usage Arguments See Also Examples

View source: R/circularstring.R

Description

Make WKT circularstring objects

Usage

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circularstring(..., fmt = 16)

Arguments

...

A GeoJSON-like object representing a Point, LineString, Polygon, MultiPolygon, etc.

fmt

Format string which indicates the number of digits to display after the decimal point when formatting coordinates. Max: 20

See Also

Other R.objects: geometrycollection, linestring, multilinestring, multipoint, multipolygon, point, polygon

Examples

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## empty circularstring
circularstring("empty")
# circularstring("stuff")

# Character string
circularstring("CIRCULARSTRING(1 5, 6 2, 7 3)")

# data.frame
df <- data.frame(lon = c(-116.4, -118), lat = c(45.2, 47))
circularstring(df, fmt=1)
df <- data.frame(lon=c(-116.4, -118, -120), lat=c(45.2, 47, 49))
circularstring(df, fmt=1)

# matrix
mat <- matrix(c(-116.4,-118, 45.2, 47), ncol = 2)
circularstring(mat, fmt=1)
mat2 <- matrix(c(-116.4, -118, -120, 45.2, 47, 49), ncol = 2)
circularstring(mat2, fmt=1)

# list
x <- list(c(1, 5), c(6, 2), c(7, 3))
circularstring(x, fmt=2)

ropensci/wellknown documentation built on Jan. 29, 2018, 10:45 a.m.