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Revert "Revert "Update the iso_contours example using iso_surfaces operator"" #1204

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Merged
merged 2 commits into from
Feb 14, 2024
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Revert "Revert "Update the iso_contours example using iso_surfaces operator"" #1204

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e97aa15
Revert "Revert "Update the iso_contours example using iso_surfaces op…
PProfizi Oct 12, 2023
14426c7
Merge branch 'master' into revert-1203-revert-1164-mnale/enhance_iso_…
PProfizi Feb 14, 2024
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32 changes: 15 additions & 17 deletions examples/12-fluids/03-fluids_isosurface.py
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Original file line number Diff line number Diff line change
Expand Up @@ -64,13 +64,9 @@
###############################################################################
# Evaluate iso-surfaces
# ~~~~~~~~~~~~~~
# We can finally use the mesh_cut operator on this specific variable.
# We choose to cut the whole with 5 iso-surface equally spaced between min and max.

max_pressure = 361.8170 # Pa
min_pressure = -153.5356 # Pa
number_of_iso_surface = 5
step = (max_pressure - min_pressure) / number_of_iso_surface
# We can finally use the iso_surfaces operator on this specific variable.
# We choose to cut the whole mesh with 9 iso-surface manually selected between
# the min and max of the static_pressure variable.

pl = DpfPlotter()
c_pos_iso = [
Expand All @@ -87,18 +83,20 @@
opacity=0.3,
)

for i in range(number_of_iso_surface):
iso_surface = dpf.operators.mesh.mesh_cut(
field=P_S[0], iso_value=min_pressure, closed_surface=0, mesh=whole_mesh, slice_surfaces=True
).eval()
P_S_step = dpf.Field(location=dpf.locations.overall, nature=dpf.common.natures.scalar)
P_S_step.append([min_pressure], i)
P_S_step.name = "static pressure"
P_S_step.unit = "Pa"
vec_iso_values = [-153.6, -100.0, -50.0, 50.0, 100.0, 150.0, 200.0, 300.0, 361.8]

iso_surfaces_op = dpf.operators.mesh.iso_surfaces(field=P_S[0], mesh=whole_mesh, slice_surfaces=True,
vector_iso_values=vec_iso_values)

iso_surfaces_meshes = iso_surfaces_op.outputs.meshes()

iso_surfaces_fields = iso_surfaces_op.outputs.fields_container()

for i in range(len(iso_surfaces_fields)):
pl.add_field(
field=P_S_step, meshed_region=iso_surface, style="surface", show_edges=False, show_axes=True
field=iso_surfaces_fields[i], meshed_region=iso_surfaces_meshes[i], style="surface", show_edges=False,
show_axes=True
)
min_pressure += step

pl.show_figure(show_axes=True, cpos=c_pos_iso)

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