\diamond

Description 

This operator allows the user to define four new vertices and four new border edges drawing a diamond (a diamond is a rotated square, such presentation is very frequent as beginning step). First vertex is the upper corner, other vertices are set around the diamond in clockwise order.
This operator should only appear within a step block.

Usage

  \diamond(A, B, C, D);

Formal structure

  \diamond(VERTEX_1, VERTEX_2, VERTEX_3, VERTEX_4);

Parameters

  VERTEX_1
  Description    : Indicates the name symbol use for the upper corner. 
  Type           : Symbol.
  Allowed values : Any vertex identifier not already defined.

  VERTEX_2
  Description    : Indicates the name symbol use for the right corner. 
  Type           : Symbol.
  Allowed values : Any vertex identifier not already defined.

  VERTEX_3
  Description    : Indicates the name symbol use for the bottom corner. 
  Type           : Symbol.
  Allowed values : Any vertex identifier not already defined.

  VERTEX_4
  Description    : Indicates the name symbol use for the left corner. 
  Type           : Symbol.
  Allowed values : Any vertex identifier not already defined.