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Note: When you save a network file, the attribute values are saved with a specific number of decimal places (Settings for decimal places, aggregation functions, and connecting journeys). |
1. Click the black triangle of the Save 
menu button.
2. Select the Save file as entry.
The Save network window opens.
3. Enter the file name and the path, if required.
4. Click the Save button.
The Save network file window opens.
5. If necessary, reduce the amount of data to be saved to file.
|
Element |
Description |
| Save only active network objects | If the option has been selected, only active network objects will be displayed. |
| Filtering |
Hide attributes with default values
Tip Use this option to reduce the file size.
Note You can find the default attribute values in the Attribute.xls file in the ...\Program files\ folder. Hide empty tables If this option has been selected, only those tables containing objects are saved to file. Hide calculated attributes
|
| Tables and attribute selection |
Display tables and attribute names in English If the option is selected, the names of the tables and attributes will be displayed in English, i.e. in the language in which they are stored in the target file. |
If this option has been checked, only selected attributes are saved with their values.
If this option has not been checked, all of the selected attributes are saved with their values not regarding whether attribute value and default value are identical or not.6. Select the data tables you want to save to file.
|
Element |
Description |
|
|
The table has been selected and will be saved to file. |
|
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The table has not been selected and will not be saved to file. Note The Version data block table cannot be disabled. |
| Edit marking |
In the list of tables, you can select several entries by holding down the Ctrl key. You can then use the button to include all markings of tables and attributes in the selection or remove them from the selection. You can also select or deselect all direct attributes of the marked tables. |
| Save selection/Open selection | You can save the currently selected tables and attributes as a network file *.net without content and read them again later as defaults (Saving selected network data as selection). |
|
Check all tables |
Via this button, you may check all tables. Note The status of the attributes in the tables remains unchanged. |
|
Uncheck all tables |
Use this button to deselect all tables except Version block. Note The status of the attributes in the tables remains unchanged. |
|
Predefined cases |
The data required for the description of the objects of a particular network object type are stored in just a single or in multiple tables. Link object data, e.g., are included in the Link table. Links with an edited shape are additionally part of the data block Link polygons. Use this button to select all data tables required for the description of specific network objects (so-called use cases) and their attributes at the same time (Selecting data tables required for network object type description for saving data to file). |
7. Click a table name.
The table attributes are displayed.
|
Tip: Click the Ctrl key and keep it pressed while clicking multiple tables one by one to show the attributes of these tables simultaneously. |
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Note: Due to current option settings in the upper section of the window possibly not all of the attributes might be displayed by table. |
8. Select the attributes you want to save to file.
|
Element |
Description |
|
|
The attribute has been selected and is saved to file. |
|
|
The attribute has not been selected and is not saved to file. |
|
|
The attribute is a key attribute and cannot be switched off. Key attributes are attributes which serve for unique identification of network objects. |
|
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The attribute is a mandatory attribute and cannot be excluded. |
|
Attribute groups |
Via this button you can either select or switch off predefined groups of attributes in a separate window (Switching on/off attribute groups for saving). |
|
Set default values |
Click this button to hide empty tables and calculated attributes. All other attributes are selected. The Save only active network objects option remains unchanged. |
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Tip: Right-click a table name. In the shortcut menu, activate or deactivate all table attributes currently displayed. |
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Note: Alternatively, you can read selected tables and attributes from a network file *.net (Reading a selection from a network file). |
9. Confirm with OK.
The network data is saved according to the current settings.
Switching on/off attribute groups for saving
1. Make sure that the Save network file window is open (Saving a network file).
2. Click the Attribute groups button.
The Switch attribute groups on/off window opens.
3. In the selection list, mark the predefined attribute group you would like to switch on or off.
4. Click the desired button.
|
Element |
Description |
|
Activate |
All attributes of the selected groups are enabled. |
|
Deactivate |
Except key attributes and mandatory attributes, all attributes of the selected group are deactivated. |
|
Activate exclusively |
All attributes of the selected group are activated for saving data to file and all attributes of other groups - except key attributes and mandatory attributes - are excluded from saving data to file. |
5. Click the Close button.
Depending on the current settings, the attributes are either selected or deselected.
Selecting data tables required for network object type description for saving data to file
In Visum network files, several tables contain data for the description of specific network objects, for example zones and corresponding polygons, timetable or line blocking data.
To make sure that you save all the tables and attributes required (so-called use case) to the network file, you can activate a predefined selection of tables and attributes adapted to the data you wish to save.
1. Make sure that the Save network file window is open (Saving a network file).
2. Click the Predefined cases button.
The Select tables for predefined use cases window opens.
3. Make the desired changes.
|
Element |
Description |
|
Save polygons |
If this option has been selected, all tables required for polygon definition are selected. You can decide whether the tables of the related network object types (Zones, Main zones, Main nodes, Territories, POIs, Restricted traffic areas) shall be saved as well. |
|
Save timetable |
If this option has been selected, all tables are selected that contain data with regard to the timetable. You can decide whether data regarding calendar period and valid days are to be saved. Save calendar period and valid days If this option has been selected, the tables Calendar period, Valid days, and Vacation days are saved. Note This option is only provided if a weekly or an annual calendar has been defined in the network. |
|
Save blocks |
If this option has been selected, the tables storing PuT line blocks and corresponding data is selected. Note Since line blocks refer to valid days, option Save calendar period and valid days is selected automatically. |
|
Save main nodes |
Click this option to select main node tables and their data. |
|
Write tables for graphics & presentation |
If this option is selected, the tables for graphics and presentation, such as info boards and storyboard actions, are selected. |
4. Confirm with OK.
Saving selected network data as selection
You can save the currently selected tables and attributes as network file *.net without contents and read them again later as default values.
1. Make sure the Save network window is open (Saving a network file).
2. Click the Save selection button.
The Save network window opens.
3. Enter the file name and the path, if required.
4. Click the Save button.
Selected tables and attributes are saved as data block templates without data.
Reading a selection from a network file
You can read selected tables and attributes from an existing network file or from an empty network file that was saved just as selection file when saving network data to a file.
1. Make sure the Save network window is open (Saving a network file).
2. Click the Open selection button.
The Open network window opens.
3. Select the desired file.
4. Click the Open button.
The tables and attributes contained in the network file are adopted. Reading in the file may change the current selection of options in the Save network window.
