Question

what is the basic use of extend indicator

Answer 1

Answer:

Extent indicators are a way to show the extent of a frame within another map frame. This is useful when you are creating locator or inset maps. To provide spatial context to the map reader, you may want to create a locator, or overview map. A locator map shows a larger area, or extent, than the main map.

Explanation:

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Answer 2

Explanation:

Extend indicators are a way to show the extent of one data frame within another data frame. This is useful when you are creating overview or locator maps.Extent indicators also update when the data is rotated or projection is changed.

If the selected data frame (main map) is being used for Data Driven Pages, the outline of the current index feature is used as the indicator. If point or line features are being used to drive the pages, the extent indicator always uses the simple extent.