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Modifying calibration points

  • Moving calibration points using ArcMap editing tools
  • Modifying calibration point measure values and temporality using the Roads And Highways Editing toolbar
  • Modifying calibration point measure values using ArcMap editing tools

The calibration points used by Roads and Highways to calibrate routes are a simple feature class. ArcGIS editing tools can be used to edit and modify them in conjunction with the Roads and Highways extension to calibrate routes, or time-saving tools provided by the Roads And Highways Editing toolbar can be used to modify calibration points. Both methods are discussed below.

Moving calibration points using ArcMap editing tools

Routes can also be calibrated by moving calibration points from one location to another along a route.

Caution:

Calibration points should only be moved if you want the change to be effective for the entire life-span of the calibration point.

  1. Select a calibration point using the Edit tool Edit Tool on the Editor toolbar.
  2. Drag the point along the route to a new location.
  3. Verify the route ID, network ID, and measure attributes.

    Note:

    If a message appears that is related to acquiring locks, the need to reconcile, or not being able to acquire locks, Roads and Highways conflict prevention is enabled. For more information about these messages, see Conflict prevention in Roads and Highways for Desktop.

  4. Click the Apply Updates button Apply Updates.

    The route is recalibrated by regenerating its shape based on the updated calibration points and its measures, and event data is updated based on the event layers' Calibrate Route rules.

Modifying calibration point measure values and temporality using the Roads And Highways Editing toolbar

Existing calibration points can have the start date, retire date, and measure updated using the Edit Calibration Point tool Edit Calibration Point on the Roads And Highways Editing toolbar. This tool also allows downstream recalibration to be applied to a route where a calibration point is edited.

Edit Calibration Point with recalibration downstream

Edit Calibration Point with recalibration downstream

Step A—The calibration points and route calibration before editing a calibration point.

Step B—Edit the calibration point with a measure of 4 and change the measure to 5.

Step C—Update calibration based on the edited calibration point using the Apply Updates tool.

Edit Calibration Point with no recalibration downstream

Edit Calibration Point with no recalibration downstream

Step A—The calibration points and route calibration before editing a calibration point.

Step B—Edit the calibration point with a measure of 4 and change the measure to 5.

Step C—Update calibration based on the edited calibration point using the Apply Updates tool.

  1. Set the target LRS Network layer on the Roads And Highways Editing toolbar.
  2. Click the Edit Calibration Points button Edit Calibration Points on the Roads And Highways Editing toolbar.
  3. Select an existing calibration point on the map.

    The Edit Calibration Point dialog box appears with attributes for the selected calibration point populated.

    Edit Calibration Point tool
    The Network text box is populated with the network selected on the Roads And Highways Editing toolbar. The Start Date and Retire Date text boxes are populated with the start date and retire date of the calibration point. The Route ID text box is populated with the route ID for the route selected on the map. The Measure text box is populated with the measure of the calibration point.

  4. You can change the Start Date and Retire Date depending on when this calibration is active.
  5. You can change the Measure to the calibration for this calibration point.
  6. Choose whether you want to recalibrate the route downstream using the Recalibrate downstream check box.
    • Checking the box apply recalibration to downstream calibration points along the route. For example, existing calibration at the location where the calibration point is being added is 5, and the next downstream calibration point at the end of the route has a measure of 10. If the measure in step 7 was changed to 6 and Recalibrate downstream is checked, the downstream calibration point would have 1 added to the measure and change to 11.
    • Leaving the box unchecked will result in no recalibration for the next downstream calibration point along the route. Using the example above, changing the measure from 5 to 6 but not checking the Recalibrate downstream check box would result in the downstream calibration point maintaining a measure of 10.
  7. Click OK.

    Note:

    If a message appears that is related to acquiring locks, the need to reconcile, or not being able to acquire locks, Roads and Highways conflict prevention is enabled. For more information about these messages, see Conflict prevention in Roads and Highways for Desktop.

    The Edit Calibration Point dialog box closes and the calibration point appears on the map at the location selected in step 3.

    Note:
    Calibration on the route is not updated at this time.
  8. If more calibration points are ready to be edited, repeat steps 1 through 7 to edit them.
  9. Once all calibration points have been edited, click the Apply Updates button Apply Updates on the Roads And Highways Editing toolbar.

    Calibration is updated (including downstream recalibration if chosen) and event behaviors are applied for routes with calibration points edited.

    Note:
    Recalibrating downstream will change the measure of the calibration points downstream along a route. Choosing to apply updates after each edit or after a series of edits could result in different calibration being applied to downstream calibration points. Consider what the desired downstream measures of a route with calibration points being edited should be before determining whether downstream recalibration should be chosen and when edits should be applied if multiple calibration points are being edited.

    Edit multiple calibration points and then apply edits

    Edit multiple calibration points and then apply edits.

    Step A—The calibration points and route calibration before editing any calibration points.

    Step B—Edit the new calibration points with measures of 4 and 8; change the measures to 5 and 9 with recalibration downstream selected.

    Step C—Update calibration based on newly edited points using the Apply Updates tool.

    Alternating editing calibration points and running Apply Updates multiple times

    Edit calibration point, apply updates, edit another calibration point, apply updates.

    Step A—The calibration points and route calibration before editing any calibration points.

    Step B—Edit the calibration point with a measure of 4; change to 5 with recalibrate downstream selected.

    Step C—Update calibration using the Apply Updates tool; downstream points measures change.

    Step D—Edit the calibration point with a measure of 9; change to 10 with recalibration downstream selected.

    Step E—Update calibration using the Apply Updates tool; downstream point has the measure changed.

    Alternating editing calibration points and running Apply Updates multiple times

    Edit calibration point, apply updates, edit another calibration point, apply updates.

    Step A—The calibration points and route calibration before editing any calibration points.

    Step B—Edit calibration point with measure 8; change to 9 with recalibrate downstream selected.

    Step C—Update calibration using Apply Updates tool, downstream point measure changes.

    Step D—Edit calibration point with measure of 4; change to 5 with recalibration downstream selected.

    Step E—Update calibration using the Apply Updates tool; downstream calibration points are not updated because they were in Step C, and all edits are within the same edit session.

Modifying calibration point measure values using ArcMap editing tools

Another way to recalibrate a route is to change the measure value of an existing calibration point.

Caution:
Calibration point measure values should only be modified if you want the change to be effective for the entire life-span of the calibration point.
  1. Click the Edit Calibration Points Edit Calibration Points button on the Roads And Highways Editing toolbar.
  2. Select an existing calibration point on the map.

    The Edit Calibration Point dialog box appears with attributes for the selected calibration point populated.

    Edit Calibration Point tool

  3. Edit the measure value.

    Note:

    If a message appears that is related to acquiring locks, the need to reconcile, or not being able to acquire locks, Roads and Highways conflict prevention is enabled. For more information about these messages, see Conflict prevention in Roads and Highways for Desktop.

  4. Click the Apply Updates button Apply Updates from the Roads And Highways Editing toolbar.

    The route is recalibrated by regenerating its shape based on the updated calibration points and its measures, and event data is updated based on the event layers' Calibrate Route rules.

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