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<!DOCTYPE HTML><html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> <link rel="stylesheet" type="text/css" href="https://www.giss.nasa.gov/css/css2104.css" media="all" /> <title>NASA GISS: G.Projector — Map Projections</title> <link rel="apple-touch-icon" href="/gfx/apple-touch-icon-180x180.png" /> <link rel="apple-touch-icon-precomposed" href="/gfx/apple-touch-icon-180x180.png" /> <link rel="apple-touch-icon" sizes="192x192" href="/gfx/apple-touch-icon-192x192.png" /> <link rel="apple-touch-icon" sizes="180x180" href="/gfx/apple-touch-icon-180x180.png" /> <link rel="apple-touch-icon" sizes="152x152" href="/gfx/apple-touch-icon-152x152.png" /> <link rel="apple-touch-icon" sizes="128x128" href="/gfx/apple-touch-icon-128x128.png" /> <link rel="apple-touch-icon" sizes="76x76" href="/gfx/apple-touch-icon-76x76.png" /> <meta name="orgcode" content="611" /> <meta name="rno" content="Gavin.A.Schmidt.1" /> <meta name="content-owner" content="Robert.B.Schmunk.1" /> <meta name="webmaster" content="Robert.B.Schmunk.1" /> <meta name="viewport" content="width=956, initial-scale=1" /><script id="_fed_an_ua_tag" src="https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=NASA&subagency=GISS&yt=true&dclink=true" async="async"></script> </head> <body> <div id="bkg1"><div id="bkg2"></div></div> <div id="page"> <div class="hidden"> <a href="#content" title="Go to Main Content" accesskey="2">Go to Main Content (Accesskey 2)</a><br /><a href="#nav" title="Go to Site Menu" accesskey="3">Go to Site Menu (Accesskey 3)</a></div> <div id="header"> <div id="headerlogo"> <a href="https://www.nasa.gov/"><img src="https://www.giss.nasa.gov/gfx/2013/nasa_x2.png" alt="NASA Logo, National Aeronautics and Space Administration" style="width:140px;height:98px" /></a></div> <div id="centername"> <h1><a href="https://www.nasa.gov/">National Aeronautics and Space Administration</a></h1> <h2><a href="https://www.giss.nasa.gov/">Goddard Institute for Space Studies</a></h2></div> <div id="hierarchy"> <h2><a href="https://www.nasa.gov/goddard/">Goddard Space Flight Center</a><br /><a href="https://science.gsfc.nasa.gov/sci">Sciences and Exploration Directorate</a><br /><a href="https://science.gsfc.nasa.gov/earth">Earth Sciences Division</a></h2></div></div> <div id="paper"> <div id="content"><div id="cpad"> <h2>G.Projector — Map Projections</h2> <div class="floatcenter"> <img src="gprojector_3_1400x700.jpg" width="700" height="350" style="padding-top: 0" alt="Screenshot of sample G.Projector 3 windows" /> </div> <p> G.Projector transforms an input map image into any of about 200 global and regional map projections. Longitude-latitude gridlines and continental outlines may be drawn on the map, and the resulting image may be saved to disk in GIF, JPEG, PNG, TIFF, PDF, PS or SVG form.</p> <p>G.Projector is a cross-platform application that runs on Macintosh, Windows, Linux and other desktop computers. It requires that your computer have a <b>Java 11</b> (or later version) runtime environment installed.</p> <p style="text-align:center;border:dotted red 1px;background:#ffd;padding:4px"> The current version of G.Projector is 3.4.0, released 2024-11-09.</p> <h4>Get G.Projector</h4> <ul> <li><b><a href="download/">Download G.Projector</a></b></li> </ul> <p>Additional CNO/CNOB overlay files compatible with G.Projector are available from the Panoply software collection of <a href="https://www.giss.nasa.gov/tools/panoply/overlays/">optional "outline overlays"</a>. G.Projector also understands many SHP shapefiles and can use them for overlays. </p> <h4>Documentation and Credits</h4> <ul> <li><a href="help/">User's Guide</a> <li><a href="help/projections/">List of Map Projections</a></li> <li><a href="help/credits.html">Credits and Acknowledgments</a></li> <li><a href="help/references.html">References</a></li> <li><a href="changelog/">Changelog</a></li> </ul> <h4>Contact</h4> <p>If you would like to report a bug in G.Projector, please contact the author, <a href="https://www.giss.nasa.gov/staff/rschmunk.html">Dr. Robert B. Schmunk</a>.</p> <h4 class="goback">+ Return to <a href="/tools/">GISS Software Overview</a></h4> <div class="clear"></div></div></div> <div id="nav"><h3>Site Menu</h3> <ul id="mnav"> <li><a href="https://www.giss.nasa.gov/">GISS Home</a></li> <li><a href="https://www.giss.nasa.gov/research/">News & Features</a> <ul class="mnav2"> <li><a href="https://www.giss.nasa.gov/research/">News & Features Overview</a></li></ul></li> <li><a href="https://www.giss.nasa.gov/projects/">Projects & Groups</a> <ul class="mnav2"> <li><a href="https://www.giss.nasa.gov/projects/">Projects Overview</a></li> <li><a href="https://www.giss.nasa.gov/projects/astrobio/">Astrobiology & ROCKE-3D</a></li> <li><a href="https://www.giss.nasa.gov/projects/casi/">CASI</a></li> <li><a href="https://www.giss.nasa.gov/projects/impacts/">Climate Impacts</a></li> <li><a href="https://www.giss.nasa.gov/projects/gcm/">Climate Modeling</a></li> <li><a href="https://www.giss.nasa.gov/projects/iri_forecasts/">IRI 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