Fig. 4: Radiation range and intensity of each node city.
From: Flow space reveals the urban network structure and development mode of cities in Liaoning, China

The further the distance from the node city, the weaker the connection strength. The blue line indicates that the connection between cities is average, while the red line indicates that the connection between cities is strong. The map was developed by the authors using ArcGIS Pro Version 3.0.3.