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// ----------------------------------------------------------------------------
// - Open3D: www.open3d.org -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
#include "open3d/geometry/MeshBase.h"
#include "open3d/geometry/PointCloud.h"
#include "pybind/docstring.h"
#include "pybind/geometry/geometry.h"
#include "pybind/geometry/geometry_trampoline.h"
namespace open3d {
namespace geometry {
void pybind_meshbase_declarations(py::module &m) {
py::class_<MeshBase, PyGeometry3D<MeshBase>, std::shared_ptr<MeshBase>,
Geometry3D>
meshbase(m, "MeshBase",
"MeshBase class. Triangle mesh contains vertices. "
"Optionally, the mesh "
"may also contain vertex normals and vertex colors.");
py::enum_<MeshBase::SimplificationContraction>(m,
"SimplificationContraction")
.value("Average", MeshBase::SimplificationContraction::Average,
"The vertex positions are computed by the averaging.")
.value("Quadric", MeshBase::SimplificationContraction::Quadric,
"The vertex positions are computed by minimizing the "
"distance to the adjacent triangle planes.")
.export_values();
py::enum_<MeshBase::FilterScope>(m, "FilterScope")
.value("All", MeshBase::FilterScope::All,
"All properties (color, normal, vertex position) are "
"filtered.")
.value("Color", MeshBase::FilterScope::Color,
"Only the color values are filtered.")
.value("Normal", MeshBase::FilterScope::Normal,
"Only the normal values are filtered.")
.value("Vertex", MeshBase::FilterScope::Vertex,
"Only the vertex positions are filtered.")
.export_values();
py::enum_<MeshBase::DeformAsRigidAsPossibleEnergy>(
m, "DeformAsRigidAsPossibleEnergy")
.value("Spokes", MeshBase::DeformAsRigidAsPossibleEnergy::Spokes,
"is the original energy as formulated in orkine and Alexa, "
"\"As-Rigid-As-Possible Surface Modeling\", 2007.")
.value("Smoothed",
MeshBase::DeformAsRigidAsPossibleEnergy::Smoothed,
"adds a rotation smoothing term to the rotations.")
.export_values();
}
void pybind_meshbase_definitions(py::module &m) {
auto meshbase =
static_cast<py::class_<MeshBase, PyGeometry3D<MeshBase>,
std::shared_ptr<MeshBase>, Geometry3D>>(
m.attr("MeshBase"));
py::detail::bind_default_constructor<MeshBase>(meshbase);
py::detail::bind_copy_functions<MeshBase>(meshbase);
meshbase.def("__repr__",
[](const MeshBase &mesh) {
return std::string("MeshBase with ") +
std::to_string(mesh.vertices_.size()) + " points";
})
.def(py::self + py::self)
.def(py::self += py::self)
.def("has_vertices", &MeshBase::HasVertices,
"Returns ``True`` if the mesh contains vertices.")
.def("has_vertex_normals", &MeshBase::HasVertexNormals,
"Returns ``True`` if the mesh contains vertex normals.")
.def("has_vertex_colors", &MeshBase::HasVertexColors,
"Returns ``True`` if the mesh contains vertex colors.")
.def("normalize_normals", &MeshBase::NormalizeNormals,
"Normalize vertex normals to length 1.")
.def("paint_uniform_color", &MeshBase::PaintUniformColor,
"Assigns each vertex in the MeshBase the same color.",
"color"_a)
.def("compute_convex_hull", &MeshBase::ComputeConvexHull,
"Computes the convex hull of the triangle mesh.")
.def_readwrite("vertices", &MeshBase::vertices_,
"``float64`` array of shape ``(num_vertices, 3)``, "
"use ``numpy.asarray()`` to access data: Vertex "
"coordinates.")
.def_readwrite("vertex_normals", &MeshBase::vertex_normals_,
"``float64`` array of shape ``(num_vertices, 3)``, "
"use ``numpy.asarray()`` to access data: Vertex "
"normals.")
.def_readwrite(
"vertex_colors", &MeshBase::vertex_colors_,
"``float64`` array of shape ``(num_vertices, 3)``, "
"range ``[0, 1]`` , use ``numpy.asarray()`` to access "
"data: RGB colors of vertices.");
docstring::ClassMethodDocInject(m, "MeshBase", "has_vertex_colors");
docstring::ClassMethodDocInject(
m, "MeshBase", "has_vertex_normals",
{{"normalized",
"Set to ``True`` to normalize the normal to length 1."}});
docstring::ClassMethodDocInject(m, "MeshBase", "has_vertices");
docstring::ClassMethodDocInject(m, "MeshBase", "normalize_normals");
docstring::ClassMethodDocInject(m, "MeshBase", "paint_uniform_color",
{{"color", "RGB colors of vertices."}});
docstring::ClassMethodDocInject(m, "MeshBase", "compute_convex_hull");
}
} // namespace geometry
} // namespace open3d
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