Package 'geotools'

Getting city near to others

Description

codesNearToCode() returns a list of zip code near to specified zip code

cityNearToCode() returns a list of city name near to specified zip code

city() returns a list of city name that have a zip code

Usage

codesNearToCode(code,kms)
cityNearToCode(code,kms)
zipCode(city)
cities(code)

Arguments

code	A postal code i.e. 75000 for Paris
kms	Integer, number of kilometer.
city	The name of a city i.e. "Paris". Name is in ascii only; i.e. no accent for "Bezier"

Author(s)

Antoine Lucas

Examples

## get "Paris"
cities(75000)

## inverse: get 75000: postal code for Paris
zipCode("Paris")

## all postal code at 7 kms from Paris
codesNearToCode(75000,7)

## idem, with city name
cityNearToCode(75000,7)

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Get distance between two position with coordinate in latitude, longitude

Description

distKm() returns distance in kilometer with latitude and longitude in degree

distKmRad() returns distance in kilometer with latitude and longitude in radian

degToRad() conversion degree to radian

Usage

distKm(lat0,lon0,lat1,lon1)

distKmRad(lat0,lon0,lat1,lon1)
degToRad(val)

Arguments

lat0, lon0	latitude, longitude of first point
lat1, lon1	latitude, longitude of second point
val	Value, in degree.

Author(s)

Antoine Lucas

Examples

degToRad(180)

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Dataset french zip code

Description

French dataset for zip code (postal code).

Data set, from French postal data can be retreive here: http://www.galichon.com/codesgeo/.

Other data are here, http://earth-info.nga.mil/gns/html/cntry_files.html.

Usage

data(fr_geo_deg)
data(fr_geo_rad)

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