LEGION Model Builder Help

Exporting the current OD Matrix for auditing purposes

Over the course of a project you may need to check the expected inputs of a model with the actual simulated outputs and the current state of the model. It may be that since the Data Template was imported many tweaks and changes have been made. These might include changes to Final Destination assignments, alterations to Arrival Profiles, redistributed ratios of Entities within Supply Types, etc.

Exporting the current OD Matrix as a spreadsheet gives you the information you need to compare with the original stipulations. This can be done at any time and it provides the product with an audit trail, should any questions arise later (sometimes handing over a project from one team to another may prompt an audit of original expectations and the actual current state of the model).

This procedure assumes that you have a model open in LEGION Model Builder.

To export an OD Matrix for auditing:

  1. Select Data > Export Current OD Matrix.

    The 'Export Current OD Matrix' dialog box is displayed.

  2. Keep the suggested location or navigate to where you would like to save the exported file.
  3. Keep the suggest file name (Model OD Matrix - Model Name.xlsx), or enter a new name in the 'File name' field if required.
  4. Click Save to export the data and save it to the excel file.
Tip: This tool is only good for checking currently input model data against expected inputs. During simulation, certain things can change in response to model conditions and objects: for example, Entities can change their Final Destinations en route when affected by conditions and Direction Modifiers. Looked at in these terms, the only true OD Matrix for a model is the one produced by LEGION Simulator.