{"id":81870,"library":"proj4rb","title":"Proj4rb","description":"Ruby bindings for the Proj coordinate transformation library.","status":"active","version":"5.0.0","language":"ruby","source_language":null,"source_url":"https://github.com/cfis/proj4rb","tags":["gis","coordinate","transformation","proj"],"install":[{"cmd":"gem install proj4rb","lang":"bash","label":"gem install"},{"cmd":"# Gemfile\ngem 'proj4rb', '~> 5.0.0'","lang":"ruby","label":"Gemfile"}],"dependencies":[],"imports":[{"symbol":"Proj4rb","correct":"require 'proj4rb'"}],"quickstart":{"code":"require 'proj4rb'\n\nsrc = Proj4rb::Projection.new('+proj=latlong +datum=WGS84')\ndst = Proj4rb::Projection.new('+proj=utm +zone=33 +datum=WGS84')\npoint = Proj4rb::Point.new(12.0, 55.0)\ntransformed = src.transform(dst, point)\nputs transformed.x, transformed.y","lang":"ruby","description":"Transform coordinates from lat/lon to UTM."},"warnings":[],"env_vars":null,"search_vec":"'bind':3 'coordin':7,11 'gis':10 'librari':9 'proj':6,13 'proj4rb':1 'rubi':2 'transform':8,12","created_at":"2026-06-19T05:03:48.873618+00:00","updated_at":"2026-06-19T05:03:48.873618+00:00","problems":[],"ecosystem":"rubygems","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://github.com/cfis/proj4rb","github":"https://github.com/cfis/proj4rb","docs":"http://www.rubydoc.info/gems/proj4rb/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["utility"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-19","next_check":"2026-12-16","install_tag":null}}