STEM Import Discrete Transportation Events

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This tutorial shows how to import the discrete transporation events from a Pajek file and visualize the events. Documentation on the Pajek format is available at Importing a Pajek Graph. The import of transportation data of beef for Austria is used as an example here.

Contents

The Pajek File

The following text must be copied into a new textfile named graph.net. In the Vertices* section node references are specified for AT-2, AT-3, ... AT-10. These are nodes from the STEM library graph of Austria. In the Edges* section migration edges between these nodes are defined. The edges have default migration rate of zero and a rate >0 for a specified date. That means only a this date beef moves from one region to another.

*Vertices 9
1 AT-10
2 AT-2
3 AT-3
4 AT-4
5 AT-5
6 AT-6
7 AT-7
8 AT-8
9 AT-9
*Edges
1 2 popID beef rate 0 date 2012-01-01 rate 10.0
1 3 popID beef rate 0 date 2012-01-01 rate 10.0
1 4 popID beef rate 0 date 2012-01-01 rate 10.0
1 5 popID beef rate 0 date 2012-01-01 rate 10.0
1 6 popID beef rate 0 date 2012-01-01 rate 10.0
1 7 popID beef rate 0 date 2012-01-01 rate 10.0
1 8 popID beef rate 0 date 2012-01-01 rate 10.0
1 9 popID beef rate 0 date 2012-01-01 rate 10.0
2 3 popID beef rate 0 date 2012-01-02 rate 20.0
2 4 popID beef rate 0 date 2012-01-02 rate 20.0
2 5 popID beef rate 0 date 2012-01-02 rate 20.0
2 6 popID beef rate 0 date 2012-01-02 rate 20.0
2 7 popID beef rate 0 date 2012-01-02 rate 20.0
2 8 popID beef rate 0 date 2012-01-02 rate 20.0
2 9 popID beef rate 0 date 2012-01-02 rate 20.0
3 4 popID beef rate 0 date 2012-01-03 rate 30.0
3 5 popID beef rate 0 date 2012-01-03 rate 30.0
3 6 popID beef rate 0 date 2012-01-03 rate 30.0
3 7 popID beef rate 0 date 2012-01-03 rate 30.0
3 8 popID beef rate 0 date 2012-01-03 rate 30.0
3 9 popID beef rate 0 date 2012-01-03 rate 30.0
4 5 popID beef rate 0 date 2012-01-04 rate 40.0
4 6 popID beef rate 0 date 2012-01-04 rate 40.0
4 7 popID beef rate 0 date 2012-01-04 rate 40.0
4 8 popID beef rate 0 date 2012-01-04 rate 40.0
4 9 popID beef rate 0 date 2012-01-04 rate 40.0
5 6 popID beef rate 0 date 2012-01-05 rate 50.0
5 7 popID beef rate 0 date 2012-01-05 rate 50.0
5 8 popID beef rate 0 date 2012-01-05 rate 50.0
5 9 popID beef rate 0 date 2012-01-05 rate 50.0
6 7 popID beef rate 0 date 2012-01-06 rate 60.0
6 8 popID beef rate 0 date 2012-01-06 rate 60.0
6 9 popID beef rate 0 date 2012-01-06 rate 60.0
7 8 popID beef rate 0 date 2012-01-07 rate 70.0
7 9 popID beef rate 0 date 2012-01-07 rate 70.0
8 9 popID beef rate 0 date 2012-01-08 rate 80.0

Create Project

STEM DiscreteImport CreateProject.png

Create a new Model

STEM DiscreteImport CreateModel.png

Drag the Austria Geography Model into the new Model

STEM DiscreteImport DragAustriaToModel.png

Import the Pajek Graph

STEM DiscreteImport ImportPajek.png

Drag the imported Graph into the Model

STEM DiscreteImport DragPajekToModel.png

Create a Population Initializer

STEM DiscreteImport CreateInitializer.png

Drag the Initializer into the Model

STEM DiscreteImport DragInitializerToModel.png

Create a new Scenario

STEM DiscreteImport CreateScenario.png

Drag the Model into the Scenario

STEM DiscreteImport DragModelToScenario.png