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Update README.rst to update expression more effective #21

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Dec 24, 2023
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Update README.rst to update expression more effective #21

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30c4bcb
Update README.rst to update expression more effective
tkoyama010 Dec 24, 2023
7f78b50
Update __init__.py
tkoyama010 Dec 24, 2023
5c0f63b
Update README.rst
tkoyama010 Dec 24, 2023
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14 changes: 7 additions & 7 deletions README.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ Motivation

`PyVista`_ accessors for `Gmsh`_ to generate 3D finite element mesh.

The motivation is that PyVista is the solution to the following.
PyVista is the solution to the following.

`Overview of Gmsh`_

Expand All @@ -30,24 +30,24 @@ We can define the surface using PyVista.

.. code-block:: python

>>> square = pv.Polygon(n_sides=4, radius=8, fill=False)
>>> square = square.rotate_z(45, inplace=False)
>>> geometry = pv.Polygon(n_sides=4, radius=8, fill=False)
>>> geometry = geometry.rotate_z(45, inplace=False)

We can then generate a 2D mesh.

.. code-block:: python

>>> tess = pvgmsh.frontal_delaunay_2d(edge_source=square, mesh_size=1.0)
>>> mesh = pvgmsh.frontal_delaunay_2d(geometry, mesh_size=1.0)

To visualize the model we can use PyVista.

.. code-block:: python

>>> plotter = pv.Plotter(off_screen=True)
>>> _ = plotter.add_mesh(tess, show_edges=True, line_width=4, color="white")
>>> _ = plotter.add_mesh(squar, show_edges=True, line_width=4, color="blue")
>>> _ = plotter.add_mesh(mesh, show_edges=True, line_width=4, color="white")
>>> _ = plotter.add_mesh(geometry, show_edges=True, line_width=4, color="blue")
>>> _ = plotter.add_points(
... squar.points, style="points", point_size=20, color="blue"
... geometry.points, style="points", point_size=20, color="blue"
... )
>>> plotter.show(cpos="xy")

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22 changes: 11 additions & 11 deletions src/pvgmsh/__init__.py
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Expand Up @@ -36,9 +36,9 @@ def frontal_delaunay_2d(edge_source, mesh_size=1e-2):

>>> import pyvista as pv
>>> import pvgmsh
>>> squar = pv.Polygon(n_sides=4, radius=8, fill=False)
>>> squar = squar.rotate_z(45, inplace=False)
>>> squar
>>> geometry = pv.Polygon(n_sides=4, radius=8, fill=False)
>>> geometry = geometry.rotate_z(45, inplace=False)
>>> geometry
PolyData (...)
N Cells: 1
N Points: 4
Expand All @@ -47,20 +47,20 @@ def frontal_delaunay_2d(edge_source, mesh_size=1e-2):
Y Bounds: -5.657e+00, 5.657e+00
Z Bounds: 0.000e+00, 0.000e+00
N Arrays: 0
>>> squar.points
>>> geometry.points
pyvista_ndarray([[-5.656854, 5.656854, 0. ],
[ 5.656854, 5.656854, 0. ],
[ 5.656854, -5.656854, 0. ],
[-5.656854, -5.656854, 0. ]], dtype=float32)
>>> squar.faces
>>> geometry.faces
array([], dtype=int64)
>>> squar.lines
>>> geometry.lines
array([5, 0, 1, 2, 3, 0])

>>> tess = pvgmsh.frontal_delaunay_2d(edge_source=squar, mesh_size=1.0)
>>> mesh = pvgmsh.frontal_delaunay_2d(geometry, mesh_size=1.0)
<BLANKLINE>

>>> tess
>>> mesh
UnstructuredGrid (...)
N Cells: 398
N Points: 198
Expand All @@ -70,10 +70,10 @@ def frontal_delaunay_2d(edge_source, mesh_size=1e-2):
N Arrays: 0

>>> plotter = pv.Plotter(off_screen=True)
>>> _ = plotter.add_mesh(tess, show_edges=True, line_width=4, color="white")
>>> _ = plotter.add_mesh(squar, show_edges=True, line_width=4, color="blue")
>>> _ = plotter.add_mesh(mesh, show_edges=True, line_width=4, color="white")
>>> _ = plotter.add_mesh(geometry, show_edges=True, line_width=4, color="blue")
>>> _ = plotter.add_points(
... squar.points, style="points", point_size=20, color="blue"
... geometry.points, style="points", point_size=20, color="blue"
... )
>>> plotter.show(cpos="xy", screenshot="frontal_delaunay_2d_01.png")
"""
Expand Down