CNN goes behind - the - scenes at Digital Atlas , which does digital mapping . The company crisscrosses the globe in vans with cameras , lasers and GPS . Digital Atlas creates ` ` base maps '' for Google , MapQuest and others . Next step will be to combine lasers and camera images to make detailed digital maps .
CNN goes behind-the-scenes at Tele Atlas , which does digital mapping . The company crisscrosses the globe in vans with cameras , lasers and GPS . Tele Atlas creates `` base maps '' for Google , MapQuest and others . Next step will be to combine lasers and camera images to make detailed 3-D maps .