28th July 2001
ICOM 2001, Tampere
•   Symbols topo-map o-map
•Line (black) on white paper 0.05 mm 0.14 mm
•Gab between two lines 0.25 mm 0.15 mm
•Square (side) 0.30 mm 0.50 mm
•Circle (diameter) 0.30 mm 0.80 mm
•Dot (diameter) 0.15 mm 0.30 mm
•Triangle (side) 1.00 mm 0.80 mm
•Dotted line 0.10mm 0.22 mm
–            Color mosaic 4.0 mm2 0.5–1,0 mm2 
Workflow of Generalization
Define specific demands for (Foot O-) map