> + >>> from sympy.categories import Object, NamedMorphism
> + >>> from sympy.categories import Diagram, DiagramGrid
> + >>> from sympy import FiniteSet
> + >>> A = Object("A")
> + >>> B = Object("B")
> + >>> C = Object("C")
> + >>> f = NamedMorphism(A, B, "f")
> + >>> g = NamedMorphism(B, C, "g")
> + >>> diagram = Diagram([f, g])
> +
> + The simplest way to have a diagram laid out is the following:
> +
> + >>> grid = DiagramGrid(diagram)
> + >>> (grid.width, grid.height)
> + (2, 2)
> + >>> print grid
That's a very cool idea, thanks for spotting it!
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