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

Adding and Using a Style

____ 22. Clear off the menus and windows.

Add the shapefile some_points from the

___IGIS-Arc_YourInitials\Trivial_GIS_Datasets.

folder. You get the generic dot. Look briefly at the attribute table for some_points.shp. Note that TYPE_ is keyed to the polygon the point is in: M, A, or P. Hide the table. Bring up the related Style References window again. Let’s go for something really ridiculous: click 3D Trees and OK. This now gives you the capacity to replace the generic dot with elements from a style sheet called 3D Trees. Click Close on the Style Manager window. In the T/C, click the some_points symbol. A Symbol Selector window appears with a plethora of tree images. Slide down through the list, taking a botany lesson as you go. How many trees are there?16

____ 23. Pick a Rocky Mountain Maple, either by scrolling down in the alphabetized list or by typing it in the text box which says “Type here to search.”17 Click OK. It’s pretty hard to see that you have made any difference in looking at the Data View. Return to the Symbol Selector window. Use the maple again but change the size to 50 points. The symbol has taken on some form. To see it in all its pixilated glory, change to the Layout View and zoom in on a point, using the zoom on the Layout toolbar.

____ 24. Zoom to the whole page and go back to the Data View.

____ 25. All the capabilities you had with the software before you have now. Only the symbols you may use have been curtailed. Let’s ...