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If you are completing this tutorial from a public computer in Fondren Library and are logged on using the gistrain profile, follow the instructions below:
- On the Desktop, click the File Explorer icon
located on the Windows Taskbar at the bottom left corner of the screen. - In the 'File Explorer' window, click This PC on left side panel and then navigate to double-click the Computer icon > gisdata (\\file-rnas.rice.edu) (R:)> > Short_Courses > Introduction_to_Coordinate_Systems_and_Projections.
- To create a personal copy of the tutorial data, drag the Projections folder onto the Desktop.
- Close all windows.
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- In the Catalog view in the center of the application (not the Catalog pane on the right), double-click the Databases folder.
- Double-click the Projections.gdb geodatabase.
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Layer | Geographic Coordinate System | Projected Coordinate System |
MajorRoads | NAD 1983 | State Plane Texas South Central |
| Schools | NAD 1983 | Texas Centric Mapping System |
County | Undefined | Undefined |
Displaying Undefined Layers
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While those coordinates are being displayed for general reference purposes, recall that the XY coordinates for data in the State Plane projection are actually stored in feet. You will now change your map view to display units in feet, so that you can see the actual XY coordinates stored in your data.
- DoubleIn the Contents pane, double-click Map to open the 'Map Properties' window.
- On the left, click the General tab.
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Now, notice when you move your cursor around the map, the coordinates listed in the bottom of the map view are similar to those shown below, indicating the location of Houston in the State Plane coordinate system with units of millions of feet.
- In the Table of Contents pane, right-click the County layer and select Zoom to Layer.
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