1. Displaying and Editing Data
TransCAD
Displaying and Editing Data
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2. Displaying and Editing Data
You can use the Info tool to display the data that go with a map feature, or you can display the data in tabular form, using dataviews. Dataviews let you arrange the columns and rows of information any way you like and customize the appearance of the data.
You can also create formula fields to display calculated values, and compute statistics for records shown in a dataview.
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3. See Information on a Single Map Feature
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4. See Information on Several Map Features
Hold down Shift key to add more and hold down Ctrl to remove data. Click the right mouse button for Print.
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5. Displaying Data in a Dataview
Each row is called a record, each column is called a field.
If the name of a field contains spaces or other special characters, TransCAD puts square brackets around it in the dataview.
Some fields in a dataview may include additional information, such as data source information. If there is additional information about a field in a dataview, positioning the cursor over the field heading displays a pop-up window that displays the information.
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6. Display Data or
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7. Finding Records, a column
Search the exactly matched value or the closest value
Keep it blank
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8. Change the Dataview Title, Font, and Settings
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9. Change Column Headings and Display Format
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10. Arranging Columns in a Dataview
After selecting a column, you can do any of the following:
Move a column to a different position
Hide the column
Change the width of a column by dragging
Change the width of one or more columns
Lock a column in place
Unlock locked columns
Rearrange the columns in a dataview
Show all columns in a dataview
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11. Move a Column to a Different Position
Use the left and right arrow keys to move the column
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12. Hide One or More Columns
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13. Change the Width of Columns
Change the width by dragging
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14. Lock One or More Columns
Click to unlock
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15. Rearrange the Columns in a Dataview
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16. Sort Records Based on a Single column or Several Fields
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17. Display Records in Their Original Order
Select none while using this instruction
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18. Print, Saving, and Opening
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19. Editing and Updating Data
When you change a value in a dataview, the change is stored immediately in the geographic file or database. You do not need to save the dataview to save changes to your data.
Remember: Changing a value in a dataview actually changes the source file. Saving a dataview only the way the data are arranged and presented, not the values contained in particular columns and rows.
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20. Editing Data in a Dataview
Clink or Double-click on the cell containing the data you want to edit then make change.
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21. Fill a Range of Cells or a Column with Data
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22. Aggregate
You can fill in records with the aggregate data from another layer. For example, you could fill in fields for a city boundary layer with the number of bus stops or the total street mileage within each city.
You can use this only if the dataview contains data for a map layer. To use this method, you must choose to fill a single column in the dataview.
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24. Adding and Deleting Records
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25. Create a Formula Field
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26. Delete a Formula Field
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27. Fill a Column with the Result of a Formula
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28. Using Formula Fields to Label a Map
String addition
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