en:reorder_ranks [EasyMapping Wiki]

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====== Reoder ranks ======


===== Icon =====
{{:icon:rank_ordering_icon.png?50|}}

===== How it works =====

This option lets you define or redefine the order in which rows are linked together, as well as their direction.

**Caution**: This option must be used before exporting the map to ensure correct rank chaining. Several EasyMapping options can alter this sequence (deleting or adding rows, splitting a row into several rows, etc.), so it is **strongly recommended** to use this option **at the end of map processing**.

This option is only available **when at least one card is loaded in the application**.

===== Application =====

When the option is clicked, a window appears, allowing you to select one of three scheduling methods:
  - Automatic (selected by default)
  - Manual
  - With constraints



==== 1. Automatic scheduling ====

The automatic scheduling method allows you to click on the map to select the side of the first row of the map.

{{ :en:rank_ordering_auto_window1.png?400 |}}

The rows are then arranged so that :
  * The 1st row is closest to the indicated point. Its direction is maintained
  * The following rows are ordered from closest to furthest from the indicated point.
  * Once the rows have been ordered, their direction is alternated, so that a row entry is placed on the same side as the previous row exit.

{{ :en:rank_ordering_schema.png?400 |}}

Click on **REVERSE ALL ROWS** to reverse the direction of all rows.



==== 2. Manual scheduling ====

The manual scheduling method allows you to select a rank index using the arrows or user input (1 on screenshot). This rank is highlighted with a red filter and it is possible, using the corresponding options (2 on screenshot) to :
  * change its index (by clicking on **GO UP** to increment or **GO DOWN** to decrement)
  * change its direction (by clicking on **RETURN**)
  * delete it by clicking on the delete icon

{{ :en:rank_ordering_manual1_window.png?400 |}}


==== 3. Constrained scheduling ====

The constrained scheduling method allows you to select rows and impose a direction on them based on that of the 1st row:
  * Rows checked in the **"original direction "** list are highlighted by a **blue** filter and will be in the direction of the 1st row.
  * Rows ticked in the **"reverse direction "** list are highlighted by an **orange** filter and will be in the opposite direction to the 1st row.
  * When you click on the **START** button, all rows are ordered according to these constraints. It is not necessary to check all rows for this option to work. Unchecked rows are ordered in such a way as to apply the constraints to the other rows.

{{ :en:rank_ordering_constraints_window.png?400 |}}

The rank order filter can be activated in the [[layers_dialog|menu for maps]].

The **o** keyboard shortcut also starts the tool.