Producing attribute sets

Attribute sets provide the functionality to designate selected attributes for inputs. They are used to designate the event layers and columns in the layers for which values are provided in the Add Linear Events widget. The administrator can create a preconfigured attribute set that can be accessed by any person using the . This preconfigured attribute set cannot be modified by the others. A person can create new attribute sets that are stored in the web browser for local access or import attribute sets created by other persons. For more information, see the following:

• Configuring attribute sets
• Adding linear events by route and measure

As shown in the figure, the preconfigured attribute set contains two groups: Required and Other. The Required group contains six attribute fields: Functional Class, Speed Limit, Pavement Type, Through Lane, Median Type, and Shoulder Type. The Other group contains five attribute fields.

The attribute sets are useful in limiting the number of record input fields while using the Add Linear Events widget. The user enters the records only in the fields provided by the attribute sets.

	Expand All	Shows all the attribute fields present within each event layer.
	Collapse All	Hides the attribute fields to show only the event layers.
	Copy Selected Attribute Set	Copies all the attribute fields present in an event from the left panel to the attribute group in the right panel. The copy is made permanent only when you click the Save button.
	New Attribute Set	Creates a new attribute set. The attribute sets created by using this button are saved in the browser. Therefore, these attribute sets are available only to the user's browser.
	Remove Selected Attribute Set	Removes the selected attribute set from the widget. The administrator-configured attribute sets cannot be removed using this button.
	New Group	Creates a new group in the right panel. A group contains event attribute fields. An attribute set is made up of one or more groups. The group is saved permanently by clicking the Save button.
	Remove Selected Group, Layer, or Attribute	Removes a selected group, layer, or attribute from the right panel. The removal is made permanent by clicking the Save button.
	Default Settings	Allows configuration of default settings for attribute sets. These settings include the default network, from method, from measure units, to method, and to measure units for the Add Linear Events widget.

Modifying the attributeSets folder

By default, the is configured to use the attributeSets folder. You can modify the configuration to use a different folder for your attribute sets by editing the config.json file of RCE.

1. In the folder, rename the attributeSets folder or create a new folder in which attribute sets will be stored.
2. Open the config.json file in a text editor such as Notepad.

   For more information on using the config.json file for , see Configuring the web application.

3. In the config.json file, browse to the attributeSets section.
4. Browse to the subsection titled folder.

   Here, you can modify the default attributeSets folder by changing the folder name.

   

   Replace the default attributeSets with the name of the folder where you will store your .rhas files.

Exporting a set

You can export an attribute set using the following steps.

1. In the , click the Edit tab.
2. Click the Modify Attribute Sets button.

   

   The Attribute Sets dialog box appears.

3. Create a new attribute set.

   For more information, see Configuring attribute sets.

   Note:

   Alternatively, you can import and modify existing attribute sets shared with you by another person. For steps, see Configuring attribute sets.

4. Click Export.

   The Export Attribute Sets dialog box appears.

   

5. Select the attribute sets you want to export.

   To select all attribute sets, click Select All.

   To clear selected attribute sets, click Clear Selection.

6. When you are ready to export, click OK.

   Your attribute sets will be exported to an attribute set (.rhas) file.

   Note:

   If you have multiple configured in one deployment, then you might need to provide a separate attribute sets folder for each configuration. If not, then, the same attribute sets will be visible across all configurations.

7. Browse to the location of the folder.
8. Browse to the attributeSets folder, which is created upon installation of , or to the folder you specified in the config.json file.
9. Open the attributeSets folder and add the .rhas file you exported in step 6.

   Your attribute sets can now be accessed by any person using the .

10. In a web browser, browse to the Roadway Characteristics Online application.
11. Click the Edit tab, and click the Add Line Events button .

The preconfigured attribute set can be used to record attributes in this widget.