GEO­TAG­GING

Past meets present on a street near you.

Sunday Tasmanian - Tassie Living - - Front Page -

TECH­NOL­OGY is putting his­tory in its place by lin­ing up old pho­tos with cur­rent places on online maps.

Geo­tag­ging is the process of at­tach­ing a photo to a grid ref­er­ence on a dig­i­tal map. It’s a way of bring­ing pho­tos down to earth, by at­tach­ing them to the lo­ca­tion where they were taken.

Google Maps Streetview has en­abled us to vir­tu­ally walk around the streets of our town.

Geo­tag­ging these maps with his­tor­i­cal pho­tos means you can take nos­tal­gia a step fur­ther and see pic­tures of how the town used to be.

What was there is an am­bi­tious project to cre­ate ‘‘ a crowd-sourced in­ter­ac­tive pho­to­graphic map of the whole world’’ that in­cludes cur­rent and archival pho­tos.

Pho­tos are tagged with their lo­ca­tion and year, up­loaded via an iPhone app or to the web­site and placed on-lo­ca­tion.

The up­loaded pho­tos can then be viewed by oth­ers on a Google map of the world. The project was in­spired by ‘‘ the idea of util­is­ing the con­nec­tions that tech­nol­ogy fa­cil­i­tates to pro­vide a new ex­pe­ri­ence of time and space’’, ac­cord­ing to the web­site.

‘‘[ It’s] a vir­tual time ma­chine of sorts, that al­lows users to nav­i­gate fa­mil­iar streets as they ap­peared in the past.’’

With enough peo­ple up­load­ing pho­tos in enough places, an in­ter­ac­tive pho­to­graphic his­tory map will be cre­ated.

To con­trib­ute, you don’t have to own the photo or the copy­right to the photo, you just have to credit the pho­tog­ra­pher ( if you can) and list where you found it ( if you can).

If you can’t, some­body else can, due to the col­lab­o­ra­tive clev­er­ness of crowd­sourced projects.

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