Introduction to GIS Slides - PowerPoint - PowerPoint

							Download Tiger Streets for a
county
GO TO: www.GeographyNetwork.com
Click Data tab
Click Downloadable Data
Scroll down and click Census 2000
Click Preview and Download
Click California
Select Line Features – Roads
and then click Submit Selection
Scroll down and check San Bernardino county (Or the one you need)
Scroll down and click Proceed to Download
Click Download File
Save to file, Click Save
Navigate to the c:\gistutorial folder and Click Save
Click Open Folder
Double click the ZIP file to open it
You may have to Extract the files WinZIP
Select the two files and drag them (or extract) to the c:\gistutorial folder
Double click the second ZIP file (yes there was one zip file in the other)
Select the three files shp, shx and dbf – These three make a shapefile
Then copy or extract all three files into the c:\Gistutorial folder
Start ArcMap
Click the Add Data button, navigate to c:\Gistutorial click the shp file, click Add
Double click the layer, then click the Symbology tab
Click Categories and in the Value Field dropdown, click CFCC
Click Add all values and click OK - CFCC codes are Census Feature
                                                 Classification codes.
                                                 The Census assigns a
                                                 unique code to each
                                                 type of road.
                                                 Interstates are A11 and
                                                 A15
Right click on the line next to A11 and click Mars Red
Right click on the line next to A15 and click Mars Red
Right click on the line next to A41 and click 10% gray
Right click the layer and click Open Attribute table, 167122 roads in sb co



                                                           Close the table
Click Selection, click Select By Attribute
Double click “ZIPL”, click =, type in ‘92374’ In the single quotes.
Click OK, and the roads in 92374 are selected
Right click the layer and click Selection, and click Zoom to selected features
These are the Redlands streets
Use the Zoom In tool to zoom in on the campus
Export just the Redlands Streets into
their own shapefile
Right-click the new layer and click Label features to turn the street names on