Introducing Geographic Information Systems with ArcGIS: A Workbook Approach to Learning GIS, 3rd Edition

Analysis of Networks

STEP-BY-STEP

Exercise 9-4 (Project)

Experimenting with Routes and Allocations

____ 1. Start ArcCatalog. Copy the folder Network_Analyst_Data from [___] IGIS-Arc to your

___ IGIS-Arc_YourInitials folder

Make a connection to the Network_Analyst_Data folder.

____ 2. Start ArcMap with a Blank Map. Choose Customize > Extensions and make sure that there is a check mark by Network Analyst.

____ 3. Display the Network Analyst toolbar. On the Network Analyst toolbar, find the Network Analyst window button. Click to display the pane.

What you will see in the following steps is made possible by data and a network dataset that were constructed with considerable effort. We will not look at the construction effort nor the building of the network database, called streets_nd.ND. For further information, take the Network Analyst tutorial that comes from Esri. The data for this exercise was derived from that tutorial dataset.

____ 4. Add the dataset streets_nd.ND from

___ IGIS-Arc_YourInitials\Network_Analyst_Data\Route_&_Allocate\Network.

You will be asked if you want to also add all participating feature classes. You do. Make the Streets line symbol black, size 1.

____ 5. In the T/C, turn off all layers except “Streets”. You will see the streets of the San Francisco area. On the Network Analyst toolbar, note that the network dataset is streets_nd.

____ 6. In the T/C make Streets the only selectable layer.

____ 7. Open the Streets attribute table. Make it occupy ...