[Gmsh] Numbering of higher order elements

[Aleksejs Fomins]

Dear GMSH developers,

I am currently trying to write a .MSH reader application for our finite
element code. I would like to read higher order curvilinear elements
(triangles and tetrahedrons). For that I would like to know the exact
ordering of nodes within a higher order element for each element order
(1 to 5).

In section 9.3.1 of the reference I found exactly what I needed for
orders 1 and 2. Unfortunately, I am unable to understand the exact
ordering mechanism for other orders from section 9.3.2.

Can you please help me with this?

Regards,
Aleksejs Fomins

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