Query Route M Value

Feature Description

The Query M Values feature allows users to query route points or line objects with specified M values in a route layer, helping them understand M values at specific road segments of route data.

Feature Entry

  1. Add the route dataset to the map window, then select the visible route layer to be queried in the layer manager.
  2. Click the Transport Analysis Tab -> Dynamic Segmentation group -> Query M Values button.

Parameter Description

  • Route object ID: Select all line M objects in the layer or specify a particular object.
  • Query Point: Query the M value of a route point.
    • M value query point: Input coordinates or pick points via mouse to query matching route points.
    • Pick points to query M value: Move the mouse over the map to query route values at the cursor position. A real-time tooltip will display the route value information, including the datasource/dataset of the route data, GCS (X and Y coordinates), Route object ID, and M value, as shown below:

  • Query Line: Input or pick start/end M values via mouse. Search results will be highlighted on the map.

Note: Press the ESC key or right-click to end picking. The ESC key also clears highlighted route points on the map.

Related Topics

Extract Route M Value