canvec.url: Get CanVec or CanVec+ data URL

In paleolimbot/rcanvec: Access and Plot CanVec and CanVec+ Data for Rapid Basemap Creation in Canada

Description

Get CanVec or CanVec+ data URL based on the NTS Reference (as generated by nts()) provided. The URL generated may or may not exist depending whether or not the sheet or area is available. CanVec data is available by mapsheet (e.g. 021H01; 1:50k), CanVec+ data is available by map area (e.g. 021H; 1:250k). If a the ntsid provided is a 1:50k reference, a CanVec URL will be generated. Otherwise, a CanVec+ url is generated.

Usage

canvec.url(ntsid,
  server = "http://ftp.geogratis.gc.ca/pub/nrcan_rncan/vector/")

Arguments

ntsid	A single NTS Reference as generated by nts().
server	The server to download from (default: http://ftp.geogratis.gc.ca/pub/nrcan_rncan/vector/)

Value

A URL where the given data can be found.

paleolimbot/rcanvec documentation built on May 24, 2019, 6:13 p.m.