Initialising

Date control ››
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The controls at the bottom of the plugin allow the initial environment to be set.

When the window is opened, it will try to set the date range and find a list of dates from one of the layers as follows:

if a layer with dates is selected, that layer will be used;

if a commentary table is found, that will be used;

otherwise one of the layers will be used.

The Get date range & list button will open a dialogue showing the dated layers and tables. From the layers & tables selected, a list of the unique dates is obtained.  This list may then be used to increment the date for the filter (see also Using events).  The earliest & latest dates found will be used to set the date range.

The start and end dates may be set manually using the buttons showing those dates (the Start date button and the End date button).

Unit shows the unit of time currently in use.

Increment shows the number of time units that will be used by the animation.

Range shows the size of the date range which will be used to filter the layers (in terms of the selected unit).  The current date is used as the start of the range.

Increasing the increment will automatically increase the range so that no dates are excluded.

Delay shows the delay (in 0.1s) between time increments which will be used by the animation.


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