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Problem: Editing vertices of a polygon rotates the entire feature

Description

When moving vertices for a polygon feature in ArcMap during an edit session, the feature rotates and changes size.
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Cause

This issue occurs because the Stretch Proportionately option is enabled. This option gets automatically enabled when any spatial adjustments are performed on the data.
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Solution or Workaround

There are two possible solutions to this issue:

Solution 1

Disable the Stretch Proportionately option by clicking the button to deselect the option via the Edit Vertices toolbar.

Solution 2

Disable the option from the Editor Toolbar using the following steps:

1. In the Editor toolbar, click the Editor menu, and click Options. This opens the Editing Options window.
2. Select the General tab and uncheck the 'Stretch geometry proportionately when moving a vertex' check box.
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3. Click OK. The Stretch Proportionately option is disabled.

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