How do I change the data frame coordinate system in ArcGIS?

How do I change the data frame coordinate system in ArcGIS?

1. Right-click the data frame for which you want to modify the coordinate system and click Properties.
2. Click the Coordinate System tab.
3. Click Modify.
4. Adjust the coordinate system properties as appropriate and click OK.
5. Click OK on the Data Frame Properties dialog box.

Why is data editing important in GIS?

Before the processing of data it is essential to identify and eliminate the error, otherwise it will contaminate the GIS data base. The pre-processing of GIS data i.e. data editing can be grouped in to the following: Detecting and correcting errors Reprojection, transformation and generalization.

How to start an edit session in ArcGIS?

Before starting an edit session, make sure that all of the datasets to be edited have been opened. The startEditing method is used to start an edit session and the startOperation method is used to start an edit operation. To commit an edit operation, call stopOperation. To cancel an edit operation, call abortOperation.

How is the editor class used in ArcGIS?

The Editor class can be used to start an edit session with versioned or nonversioned datasets. Before starting an edit session, make sure that all of the datasets to be edited have been opened. The startEditing method is used to start an edit session and the startOperation method is used to start an edit operation.

When to call stopediting in ArcGIS help 10.1?

To complete an edit session, call stopEditing, which accepts a Boolean parameter that indicates whether the changes made within the session should be committed or discarded. Deviating from this pattern can cause unexpected results. For example, stopEditing should not be called while an edit operation is in progress.

What are the benefits of atomic editing in ArcGIS?

Edit sessions and operations provide the following benefits: Grouping edits into atomic. If an error occurs before all edits are completed, the transaction can be rolled back. Optional edit operation undo and redo stacks maintained by the geodatabase. After an edit operation is stopped, it is placed on the undo stack.