See Also...401 414 ISOM Index Vegetation index previous next
The green lines may be orientated to show the direction of planting. If yellow coloured areas becomes dominant, a screen (75%) instead of full yellow may be used.
Colour: yellow 100% and green.
Dimensions (mm):- line:- 0.2mm, gap in line:- 0.6, gap between lines:- 0.6
The lines may be orientated to show the direction of planting.
Defined as area symbol 413.0, and can be drawn with any drawing tool.
Care is needed at joins, overlap only where it is safe (usually if it is the same colour and always if it is the same symbol). If you need to share a common boundary with another symbol, draw along the edge with the control key to follow it exactly.
This is a rotatable symbol, the pattern of the fill can be rotated with the direction tool and will rotate with the map if the “include symbols” box is checked when the map is turned. This is not the same as using the rotation tool which turns the whole object, but not the fill pattern.
The default definition has a gap between lines of 0.65mm, compared with the ISOM specified 0.85mm. However the ISOM definition is between the line centres, the OCAD is for the gap only. Therefore the default definition is correct.
See minimum dimensions but specifically -
- Smallest area enclosed by a dotted line: 1.5 mm (diameter) with 5 dots.
- Smallest area of colour yellow full colour: 0.5mm˛.
The ISOM lays down the permissible combination of screens.
There is no mention of this symbol in the combination section of the specifications. The inference is that this screen should remain on its own, no combinations allowed.
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