GEOG370: Getting GPS Data into ArcGISName:You collected GPS Data. Now our task is to get it into ArcGIS.Step 1 Start ArcMap and open a map documentThe data that your group collected is in M:\GPSdata Group 1 Ellen, Jennifer, Leah, AugustinGroup 2 Samantha, Bart, Walt, Phil, HaroldGroup 3 Gray, Jill, Katie SueGroup 4 Daniel, Dillon, Stuart, DougGroup 5 Mark, JT, Kevin, MeganGroup 6 Rachel, Hannah, Josh, Dan G.Group 7 Steven, Lori, JeffGroup 8 David, Justin, ElanaGroup 9 Myra, Katelin, BenGroup 10 Lena, Melinda, ChrisStep 2 One of our goals is to overlay these data on the IKONOS image of campus. Add in the campus IKONOS image, available from J:\isis\data\gis\library\library4\geog\ikonos\ikonos4321.img Right-click on the image, select Properties, and scroll through the Raster Information so that you see the Spatial Reference Information. Note that the image is in State Plane NC NAD83. You will need this information in the next step.Step 3 In ArcMap, select Tools/Add XY DataNavigate to the *.txt file for your group. The program selects the fields containingthe XY data. In the Spatial Reference of Input Coordinates portion of the dialog, select Edit and specify the coordinate system as Projected Coordinate Systems/North America/North American Datum 1983. Click OK. It adds into the project as an “Event”Once you have added your data into the project, export it to the GPSdata folder and save it (by group number) as grp*.shp. To export data, you must right-click onthe layer and select Data/Export Data.Step 4 Edit the attributes of your featureOpen your group’s attribute table. If necessary, display the Editor toolbar. Before you start editing, create new fields for the attribute data that you recorded in your notebooks (you can’t add fields in Editing mode). You create a new field by clicking on the Options box at the bottom of the table and selecting Add Field.- Most of you will be adding Text fields- To add numbers, select Float – allows addition of numbers with or without decimal places. In Precision, type 10; in Scale type 2. - Precision: The number of digits used to store numbers- Scale: The number of decimal places to the right of the decimal point.Once you have added fields, save your edits and stop editing.GEOG370: Getting GPS Data into ArcGISName:Step 5 Mapping your dataRight-click on your group’s shapefile and select Properties/Symbology.Did you map one type or many types of points?- For a single type of point feature, you can select Single Symbol- If you have multiple categories of points, select Categories/Unique Values and select the field that holds the descriptive info that you want to mapSome fun tips about symbology:- With the Symbology tab of the Layer Properties dialog displayed, double-click on the Symbol. The Symbol Properties dialog opens. - Click on More Symbols – for those of you that mapped bars, restaurants, etc. the Real Estate Symbols provide a lot of icons for you.Step 6 Prepare a mapMake a map that includes the followingTitleLegendNorth ArrowScale BarCartographersExport the map and e-mail to
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