Essential Modeling Techniques for Geospatial Analysis Using ArcGIS: An Intermediate-Level GIS Workbook, First Edition by Malloy Nicolas

Essential Modeling Techniques for Geospatial Analysis Using ArcGIS: An Intermediate-Level GIS Workbook, First Edition by Malloy Nicolas

Author:Malloy, Nicolas [Malloy, Nicolas]
Language: eng
Format: epub
Publisher: Geospatial Institute
Published: 2020-06-09T16:00:00+00:00


Figure 2.118 : The Location-Allocation Properties button is located on the upper right side of the Network Analyst Window .

Navigate to the Analysis Settings tab. Verify that the Impedance is set to Minutes (Minutes) (Figure 2.119 ). There are two choices for the Impedance property, time and distance. The Impedance property specifies the cost of traveling along the edges of the network. By setting the property to minutes, the model will define the least cost path as the quickest path, not the shortest one. When calculating a least-cost path along the length of a network, the direction of travel can affect distance and travel time. In this scenario, travel will always originate from the fire stations to the location of the incident. Verify that the Travel From setting is Facility to Demand . Leave all other settings in the Analysis Settings tab as default.



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