update the create_a_mesh_from_scratch.rst tutorial to the tutorials guidelines

Author: luisaFelixSalles

doc/source/user_guide/tutorials/mesh/create_a_mesh_from_scratch.rst

@@ -4,29 +4,32 @@
 Create a mesh from scratch
 ==========================
 
-.. |Field| replace:: :class:`Field<ansys.dpf.core.field.Field>`
-.. |FieldsContainer| replace:: :class:`FieldsContainer<ansys.dpf.core.fields_container.FieldsContainer>`
-.. |MeshedRegion| replace:: :class:`MeshedRegion <ansys.dpf.core.meshed_region.MeshedRegion>`
-.. |Model| replace:: :class:`Model <ansys.dpf.core.model.Model>`
+.. include:: ../../../links_and_refs.rst
 
-The mesh object in DPF is a |MeshedRegion|. You can create your own |MeshedRegion| object to use DPF operators
-with your own data. The ability to use scripting to create any DPF entity means
+This tutorial demonstrates how to build a |MeshedRegion| from the scratch.
+
+The mesh object in DPF is a |MeshedRegion|. You can create your own |MeshedRegion| object and use it
+with DPF operators. The ability to use scripting to create any DPF entity means
 that you are not dependent on result files and can connect the DPF environment
 with any Python tool.
 
-This tutorial demonstrates how to build a |MeshedRegion| from the scratch.
+Here, we create a parallel piped mesh made of linear hexa elements.
 
-Here we create a parallel piped mesh made of linear hexa elements.
+:jupyter-download-script:`Download tutorial as Python script<create_a_mesh_from_scratch>`
+:jupyter-download-notebook:`Download tutorial as notebook<create_a_mesh_from_scratch>`
 
 Import the necessary modules
 ----------------------------
 
-Import the ``ansys.dpf.core`` module, including the operators subpackage and the numpy library
+Import the ``ansys.dpf.core`` module, including the operators subpackage and the numpy library.
 
 .. jupyter-execute::
 
+    # Import the numpy library
     import numpy as np
+    # Import the ``ansys.dpf.core`` module
     from ansys.dpf import core as dpf
+    # Import the operators subpackage
     from ansys.dpf.core import operators as ops
 
 Define the mesh dimensions
@@ -47,10 +50,10 @@ Define the mesh dimensions
 Define the connectivity function
 --------------------------------
 
-To create a mesh we need to define the nodes connectivity. This means to define
-the elements and nodes indices connected to each node.
+To create a mesh you must define the nodes connectivity. This means to define
+the nodes ids connected to each node.
 
-Here we create a function that will find the connectivity of our entities.
+Here we create a function that will find this connectivity.
 
 .. jupyter-execute::
 
@@ -66,7 +69,7 @@ Here we create a function that will find the connectivity of our entities.
 Add nodes
 ---------
 
-Add nodes to the |MeshedRegion| object:
+Add |Nodes| to the |MeshedRegion| object.
 
 .. jupyter-execute::
 
@@ -83,34 +86,35 @@ Add nodes to the |MeshedRegion| object:
                 my_meshed_region.nodes.add_node(node_id, [x, y, z])
                 node_id += 1
 
-Get the nodes coordinates field
+Get the nodes coordinates field.
 
 .. jupyter-execute::
 
     my_nodes_coordinates = my_meshed_region.nodes.coordinates_field
 
-Set the mesh node properties
-----------------------------
+Set the mesh properties
+-----------------------
 
-Set the mesh unit:
+Set the mesh unit.
 
 .. jupyter-execute::
 
     my_meshed_region.unit = "mm"
 
-Set the nodes coordinates:
+Set the nodes coordinates.
 
 .. jupyter-execute::
 
     # Get the nodes coordinates data
     my_nodes_coordinates_data = my_nodes_coordinates.data
     # As we use the connectivity function we need to get the data as a list
     my_nodes_coordinates_data_list = my_nodes_coordinates.data_as_list
-    # Get the nodes scoping
+    # Set the nodes scoping
     my_coordinates_scoping = my_nodes_coordinates.scoping
 
-Add the elements
-----------------
+Add elements
+------------
+Add |Elements| to the |MeshedRegion| object.
 
 .. jupyter-execute::
 
@@ -141,9 +145,11 @@ Add the elements
                 connectivity[7] = tmp
                 my_meshed_region.elements.add_solid_element(element_id, connectivity)
                 element_id += 1
+
 Plot the mesh
 -------------
 
 .. jupyter-execute::
 
+    # Plot the mesh you created
     my_meshed_region.plot()