See Also...ISOM ISOM Index Symbols Index previous next
revision 01/00
- The gap between two fine lines of the same colour, in brown or black: 0.15 mm.
- The smallest gap between two blue lines: 0.25mm.
- Shortest dotted line: at least two dots.
- Shortest dashed line: at least two dashes.
- Smallest area enclosed by a dotted line: 1.5mm (diameter) with 5 dots.
- Smallest area of colour
Blue, green, grey or yellow full colour: 0.5mm˛
Black dot screen: 0.5mm˛
Blue, green or yellow dot screen: 1.0mm˛.
All features smaller than the dimensions above must be either exaggerated or omitted, depending on whether or not they are of significance to the orienteer. When a feature is enlarged, neighbouring features must be displaced so that the correct relative positions are maintained.
- The gap between two fine lines of the same colour, in brown or black: 0.15 mm.
- The smallest gap between two blue lines: 0.25mm.
- Shortest rock face symbol: 0.6mm
- Shortest stream or ditch symbol: 0.6mm.
- Smallest bend in contour (spur or reentrant): 0.25mm (from centre to centre of the lines).
- Smallest area of marsh: at least two lines with a length of 0.5mm.
- Shortest dotted line: at least two dots.
- Shortest dashed line: at least two dashes.
- Smallest area enclosed by a dotted line: 1.5mm (diameter) with 5 dots.
- Smallest area of colour
Blue, green, grey or yellow full colour: 0.5mm˛
Black dot screen: 0.5mm˛
Blue, green or yellow dot screen: 1.0mm˛.
All features smaller than the dimensions above must be either exaggerated or omitted, depending on whether or not they are of significance to the orienteer. When a feature is enlarged, neighbouring features must be displaced so that the correct relative positions are maintained.
Click to go to the top of this page