# Plugin modules

This plugin has 3 options:

Date control

Settings

Convert dates

The Date control option controls the display of the data allowing you to control the date and date range to be applied.

The Settings options allows you to set the date fields for the required layers, to specify how the date is displayed, to specify the table to be used as a commentary (if required), and to save the settings.

The Convert dates option allows you to convert dates in a string date field into decimal years (e.g "0001/01/01" to 0, "-0001/6/11" to -0.558904109) and vice versa. It may also be used to increment dates by a specified number of days and to interactively convert dates to decimal years, day numbers, etc.

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