Lines Only

The maximum length of each line

The length of the straight lines resulting from the conversion to straight lines is controlled with this option.

• Define the length (meter) of each elemental straight-line.

• If the value is 5.0 m, which is the default value, none of the resulting straight lines will be longer than 5.0 m.

• This does not mean that all the lines are 5.0 m long, but none of the lines will be longer than 5.0 m.

There is no rule so that an appropriate value can be used, 5.0 m is perhaps sufficient for long lines.

• However, 5.0 m is too small for sub-division of edge lines, traffic islands, traffic intersections, etc. 0.5 m is perhaps a better value in these cases.

Accuracy

The degree of accuracy determines the number of elemental straight lines, the selected 2D entity to be sub-divided.

• The function suggests a default value of 1.00.

• If this value is increased, accuracy is increased and arcs are subdivided into more straight lines.

• Smaller values give fewer lines.

• Large arcs require greater accuracy than small arcs.

• The degree of accuracy must therefore be evaluated from case to case.

• Any value from 0.1 to 3.0 can be used.

In most cases, an accuracy of 1.00 is more than sufficient.

I *f an accuracy of 1.00 does not give sufficient detail, a higher accuracy level can be specified.

• An accuracy of 2.00 subdivides arcs and transition curves into twice as many straight lines as an accuracy of 1.00.

  • 0.1 Very low accuracy.

  • 3.0 Very high accuracy.

  • 0.5 Half accuracy.

  • 2.0 Double accuracy.

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