Remeshing example in slam

# Authors:
# Guillaume Auzias <guillaume.auzias@univ-amu.fr>
# Julien Barrès <julien.barres@etu.univ-amu.fr>

# License: MIT
# sphinx_gallery_thumbnail_number = 2

Importation of slam modules

import slam.io as sio
import slam.remeshing as srem
import numpy as np

Source object files

source_mesh_file = "../examples/data/example_mesh.gii"
source_texture_file = "../examples/data/example_texture.gii"
source_spherical_mesh_file = "../examples/data/example_mesh_spherical.gii"

Target object files

target_mesh_file = "../examples/data/example_mesh_2.gii"
target_spherical_mesh_file = "../examples/data/example_mesh_2_spherical.gii"

source_mesh = sio.load_mesh(source_mesh_file)
source_tex = sio.load_texture(source_texture_file)
source_spherical_mesh = sio.load_mesh(source_spherical_mesh_file)

target_mesh = sio.load_mesh(target_mesh_file)
target_spherical_mesh = sio.load_mesh(target_spherical_mesh_file)

interpolated_tex_values = srem.spherical_interpolation_nearest_neigbhor(
    source_spherical_mesh, target_spherical_mesh, source_tex.darray[0]
)

VISUALIZATION USING plotly

import slam.plot as splt

# Plot Mean Curvature on the source mesh
display_settings = {}
mesh_data = {}
mesh_data['vertices'] = source_mesh.vertices
mesh_data['faces'] = source_mesh.faces
mesh_data['title'] = 'Source'
intensity_data = {}
intensity_data['values'] = source_tex.darray[0],
intensity_data["mode"] = "vertex"
fig1 = splt.plot_mesh(
    mesh_data=mesh_data,
    intensity_data=intensity_data,
    display_settings=display_settings)
fig1.show()
fig1

# Plot Mean Curvature on the spherical mesh
display_settings = {}
mesh_data = {}
mesh_data['vertices'] = source_spherical_mesh.vertices
mesh_data['faces'] = source_spherical_mesh.faces
mesh_data['title'] = 'Spherical Source'
intensity_data = {}
intensity_data['values'] = source_tex.darray[0],
intensity_data["mode"] = "vertex"
fig2 = splt.plot_mesh(
    mesh_data=mesh_data,
    intensity_data=intensity_data,
    display_settings=display_settings)
fig2.show()
fig2

# Plot Mean Curvature
display_settings = {}
mesh_data = {}
mesh_data['vertices'] = target_mesh.vertices
mesh_data['faces'] = target_mesh.faces
mesh_data['title'] = 'target mesh with curvature from source mesh'
intensity_data = {}
intensity_data['values'] = interpolated_tex_values,
intensity_data["mode"] = "vertex"
fig3 = splt.plot_mesh(
    mesh_data=mesh_data,
    intensity_data=intensity_data,
    display_settings=display_settings)
fig3.show()
fig3