Cartography technicians produce legal documents related to land ownership and maps (basic or thematic) using precision tools: total stations, GPS systems, electronic levels, and more. They produce layout plans, take measurements in the field, and generate 3D digital models of fields. They carry out ground survey calculations and produce documents related to cadastral operations. They execute calculations and interpret aerial photographs and satellite images. This profession requires precision and an aptitude for math and geometry. It also involves meticulousness, method, and autonomy.