Creating turn standards
You can create new turn standards.
1. On the Network menu, click Turn standards.
The Turn standards window opens. All existing turn standards are displayed.
Note: In the list, you can shift the selected entry if you click the and buttons. The IDs of the shifted objects change automatically. The turn standard with the highest ID has the highest priority. As soon as a turn is inserted, Visum checks which turn standard applies, beginning with the highest ID. The values of these turn standards are allocated to the new turn. |
2. Click the Create button.
The Create turn standard window opens.
3. Make the desired changes.
Element |
Description |
ID |
Specify a unique ID. Note Turn standards are numbered consecutively. The preset number can be overwritten by a number which has not yet been assigned in the network. |
Turn type |
Turn type of the turns for which the attribute values shall be used Notes The values range from 0-9 or ?. The signs have the following meaning: 0=not specified 1=right 2=straight 3=left 4=U-turn 5-9=free for the illustration of special cases ?=any turn type |
Flow hierarchy |
Flow hierarchy of the turns for which the attribute values shall be used Notes The value range is ++, +-, --, -+. The signs have the following meaning: ++ = major flow into major flow +- = major flow into minor flow -+ = minor flow into major flow -- = minor flow into minor flow The ? can be used as wildcard for any sign. |
Node type |
Node type of the turns for which the attribute values shall be used Note The value range is 0 to 99. The ? can be used as wildcard for any sign. |
Time penalty |
Time penalty for a turning movement in seconds Default value that is used automatically for new turns which have the properties specified above |
Capacity PrT |
PrT capacity Default value that is used automatically for new turns which have the properties specified above |
Is change of running direction |
If the option has been selected, the turn allocated from this turn standard represents a change of direction. Default value that is used automatically for new turns which have the properties specified above |
4. Confirm with OK.
The turn standard is created.