OSMscale (version 0.5.1)

proj: CRS of various PROJ.4 projections

Description

coordinate reference system (CRS) Object for several proj4 character strings. posm and pll are taken directly from OpenStreetMap::osm and longlat.

Usage

putm(long, zone = mean(long, na.rm = TRUE)%/%6 + 31)
posm()
pll()

Value

sp::CRS objects for one of:

- UTM projection with given zone

- Open street map (and google) mercator projection

- Latitude Longitude projection

Arguments

long

Vector of decimal longitude coordinates (East/West values). Not needed of zone is given.

zone

UTM (Universal Transverse Mercator) zone, see e.g. https://upload.wikimedia.org/wikipedia/commons/e/ed/Utm-zones.jpg. DEFAULT: UTM zone at mean of long

Author

Berry Boessenkool, , Aug 2016

See Also

projectPoints, degree

Examples

posm()
str(posm())
posm()@projargs
pll()
putm(5:14) # Germany
putm(zone=33) # Berlin