GISUE Lab 2

GISUE Lab 2 - GIS for the URBAN ENVIRONMENT Juliana Maantay...

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444 GIS for the Urban Environment Unless otherwise noted, all mouse clicks are single and done with the left mouse button. However, double-clicks with the left mouse button and single-clicks with the right mouse button are also frequently used in ArcGIS. TASK 1 Open ArcMap and add data 1 Start ArcMap by double-clicking the ArcMap icon on your computer desktop. (Alternately, click the Start button on the Windows taskbar, point to Programs, point to ArcGIS, and click ArcMap.) 2 In the ArcMap dialog, click the option to Start using ArcMap with a new empty map, then click OK. 3 On the Standard Toolbar click the Add Data button. In the Add Data dialog, navigate to your C:\UrbanGIS folder—or the folder your instructor directs you to—and double-click the World.mdb geodatabase. Hold down the Shift key and click on all of the feature classes listed (cities, latlong, rivers, country, lakes, world30), then click Add. Once a feature class is loaded into ArcMap it is referred to as a layer. The order of the layers in the table of contents (TOC) box on the left side of your screen will determine the order in which the data layers are drawn. You will want point data and line data placed above poly- gon data layers in the TOC, so that point and line data will also be viewed as above polygon layers in the map display. You can change the order of the data display by clicking the data layer to be moved and dragging it with the mouse to the top of the list, while holding down the mouse button.
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445 Two Exploring Basic GIS Functionality TASK 2 Toggle layer visibility When a layer is added to ArcMap, it is automatically turned on, which means that it is visible in the map display. You can toggle a layer’s visibility on and off by checking the box to the left of the layer name in the ArcMap TOC. Toggling a layer’s visibility is usually referred to as turning a layer off and on. 4 In the ArcMap table of contents, click the checkmark in the box next to the latlong layer to turn the layer off. Notice the change in the map display. Check the box next to the latlong layer to make it visible again. By turning layers on and off you can control what is visible in your map, which is useful for reducing clutter in the map display and keeping the map focused on a particular set of fea- tures or set of layers. TASK 3 Review the components of ArcMap In ArcMap your map can be viewed in Data View or Layout View. Data View is used to explore, edit, and analyze spatial data. Layout View is your cartographic environment, where you build your map by assembling map frames, tables, charts, and other elements such as north arrows and scale bars. 5 From the View menu, click Layout View. The tools and menus available in Data View are also available in Layout View, but the advan- tage of Layout View is the ability to see the map on a virtual page, or layout page, that reflects the size and orientation of the page chosen in the Page and Print Setup dialog box.
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GISUE Lab 2 - GIS for the URBAN ENVIRONMENT Juliana Maantay...

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