Athens, Greece: Terrain, an Athens-based cartographic company, is publishing the first highly detailed, large-scale maps (1:10,000 to 1:100,000) of Greece using GIS data exclusively acquired by mobile teams of cartographers. By foot, bike, auto and boat, Terrain surveyor teams, travelling with Ashtech MobileMapper 100 handheld smart GNSS receivers loaded with ArcPad, are mapping Greece in unprecedented rich detail, even its remotest regions.
According to Terrain’s chief cartographer Fotis Reppas, “We actually go every where, walk all trails, drive all roads and sail around each and every island recording every single sight of interest. We do not rely on digitalisation of satellite images. In large-scale maps, there is no substitute for field research if you want a map that is both accurate and up-to-date.”
To record detailed field information, Terrain surveyors use MobileMapper 100 smart GNSS GIS receivers to achieve the desired one meter real-time accuracy that requires no post-processing. “One meter accuracy, translates into extremely accurate paper maps, which we print on waterproof, rip-proof Polyart paper, even in the demanding scales of 1:20,000. But it is in digital maps that this high accuracy becomes really important, where, by applying the zoom-in you can have on your GPS screen a map in the scale of 1:1,000 or even larger.”