By ESRI Press

Construction a Geodatabase introduces you to geodatabase innovations and exhibits how one can use the ESRI(R) (R) ArcGIS&tm; machine products-- ArcInfo&tm; , ArcEditor&tm; , and ArcView(R) to enforce geographic database designs. even if you're uploading latest information or construction a brand new geodatabase from scratch, this e-book makes it effortless to discover a job and paintings during the steps to get it performed. you'll the way to: Migrate latest geographic info right into a geodatabase.Create new function periods, characteristic facts units, and tables.Add habit on your gains by way of growing subtypes and validation rules.Create relationships among gadgets on your geodatabase by way of developing dating periods and geometric networks.Design your geodatabase utilizing Unified Modeling Language, and create your geodatabase schema utilizing Computer-Aided software program Engineering tools.Create new gains and edit latest beneficial properties with behaviors.Create and edit measurement gains to annotate your maps and drawings.Work with a versioned geodatabase. commence via following the quick-start educational to get an outline of the way to create and edit a geodatabase, after which truly create your first geodatabase. in case you want, bounce correct in and test by yourself. when you've got questions, you'll find concise, step by step solutions within, absolutely illustrated, that will help you whole a role.

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Additional info for Building a Geodatabase: ArcGIS 9

Sample text

7. On the Coordinate System tab, click Import. 30 BUILDING A GEODATABASE Determining the extent of your study area 1. Start ArcMap and add reference data for the world or your area of interest. Look for reference data in the following locations: • ESRI Data and Maps (included with ArcGIS) • \ArcGIS\Metadata\Data • Geography Network 2. Set the coordinate system of the data frame to the one that you want to use for the new dataset. • Open the data frame properties. • Click the Coordinate System tab.

14. Type the minimum m-value and maximum m-value for the dataset and type the precision required for the m values if any feature class in the feature dataset will have m-values. 15. Click OK. u R T Y CREATING NEW ITEMS IN A GEODATABASE 41 16. Check Show Details to see the details of your new dataset’s spatial reference. 17. Click OK. U 42 I BUILDING A GEODATABASE Tip Editing predefined parameters You can easily create variations of a predefined coordinate system. For example, choose a predefined datum from the dropdown list; the text boxes now contain the selected datum’s parameters and their contents are read-only.

Feature datasets are a way to group feature classes with the same spatial reference so they can participate in topological relationships with each other. Feature datasets also have a natural organizational quality, much like a folder on a file system. Since for many GIS applications the majority of the data for a particular database has the same spatial reference, it is possible to use feature datasets as organizational containers. Bear in mind that topologically related feature classes must reside in the same feature dataset.

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