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GEO2XY: Stata module to convert latitude and longitude to xy using map projections

Author

Listed:
  • Robert Picard
  • Michael Stepner

Programming Language

Stata

Abstract

geo2xy converts geographic latitude and longitude to cartesian coordinates (x,y) using map projection transformations. The default projection is a Web Mercator, which is the same used by most web mapping applications (Google Maps, Bing Maps, etc.). As an option, -geo2xy- can generate Tissot's indicatrices (grid of circles) which, when overlaid on a map of the projected coordinates, help visualize the distortions of the chosen projection. With projected coordinates, high quality maps can be produced using standard Stata graph commands or with user-written commands like -spmap-.

Suggested Citation

  • Robert Picard & Michael Stepner, 2015. "GEO2XY: Stata module to convert latitude and longitude to xy using map projections," Statistical Software Components S457990, Boston College Department of Economics, revised 08 Jun 2017.
  • Handle: RePEc:boc:bocode:s457990
    Note: This module should be installed from within Stata by typing "ssc install geo2xy". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
    as

    Download full text from publisher

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy.ado
    File Function: program code
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_albers_sphere.hlp
    File Function: help file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_albers.hlp
    File Function: help file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_equidistant_cylindrical.hlp
    File Function: help file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_fun_with_maps.hlp
    File Function: help file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_lambert_sphere.hlp
    File Function: help file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_mercator_sphere.hlp
    File Function: help file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_mercator.hlp
    File Function: help file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_picard.hlp
    File Function: help file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_web_mercator.hlp
    File Function: help file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy.hlp
    File Function: help file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_lambert_sphere.ado
    File Function: program code
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_run.ado
    File Function: program code
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_us_coor.dta
    File Function: sample data file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_canada_coor.dta
    File Function: sample data file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_canada_data.dta
    File Function: sample data file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_us_data.dta
    File Function: sample data file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_world_coor.dta
    File Function: sample data file
    Download Restriction: no

    File URL: http://fmwww.bc.edu/repec/bocode/g/geo2xy_world_data.dta
    File Function: sample data file
    Download Restriction: no
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