====== Influence ======

A //graphical representation// of the influence or dependence of one block on other blocks.

This block is used as a “comment” in the [[Interaction_matrix|interaction matrix]] to show relationships between blocks.

===== Creating an influence =====

From the [[Projects_window|Projects window]]

  * Expand the Project to which you wish to add the influence by clicking the + symbol next to it. Right-click on ‘Blocks’, or a [[Sub-system|sub-system]] in ‘Blocks’, and select **Influence** from the pop-up menu.

From the [[Matrix_window|Matrix window]]

  * Right click the off-diagonal cell in the same row as the source and in the same column as the target and select **Influence** from the the pop-up menu

From the [[Blocks_window|Blocks window]]

  * Place the mouse cursor over the table and right-click on it. Select **New | Influence** from the pop-up menu

===== Editing an influence =====

|Note|Most block properties can be edited directly in the [[Blocks_window|Blocks window]].|

The block editor is shown by right-clicking the block in a window and selecting **Edit**. In the [[Blocks_window|Blocks window]], you can also show the block editor by selecting the block and clicking the {{:Edit24.png|Edit}} button, or by double-clicking the right-most “validation” column of the block.

The block editor has three tabs:

==== Properties ====

This page lets you edit basic properties such as name, sub-system and base unit. See [[Editing_properties|editing properties]] for more information.

==== Appearance ====

This page lets you edit the visual properties of the block in the [[Matrix_window|matrix window]] and [[Graph_window|graph window]]. See [[Editing_appearance|editing appearance]] for more information.

===== See also =====

  * [[Block|Blocks]]
  * [[Blocks_window|Blocks window]]
  * [[Matrix_window|Matrix window]]
  * [[Graph_window|Graph window]]