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Implemented pybind11 wrapper for plane (#440)
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Signed-off-by: Milana Tratsevska <tratsevskam@ufl.edu>
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mtrats authored Oct 4, 2024
1 parent 07ba86f commit 0138a46
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Showing 5 changed files with 90 additions and 1 deletion.
2 changes: 2 additions & 0 deletions src/pybind11/PyBindImath/CMakeLists.txt
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Expand Up @@ -11,6 +11,8 @@ find_package(pybind11 REQUIRED)
set(PYBINDIMATH_SOURCES
PyBindImathBox.cpp
PyBindImathVec.cpp
PyBindImathPlane.cpp
PyBindImathLine.cpp
)

set(PYBINDIMATH_HEADERS
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3 changes: 2 additions & 1 deletion src/pybind11/PyBindImath/PyBindImath.h
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Expand Up @@ -19,7 +19,8 @@ namespace PyBindImath {

PYBINDIMATH_EXPORT void register_imath_vec(pybind11::module& m);
PYBINDIMATH_EXPORT void register_imath_box(pybind11::module& m);

PYBINDIMATH_EXPORT void register_imath_plane(pybind11::module& m);
PYBINDIMATH_EXPORT void register_imath_line(pybind11::module& m);
}

#endif
30 changes: 30 additions & 0 deletions src/pybind11/PyBindImath/PyBindImathLine.cpp
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@@ -0,0 +1,30 @@
//
// SPDX-License-Identifier: BSD-3-Clause
// Copyright Contributors to the OpenEXR Project.
//

#include "PyBindImath.h"
#include <ImathLine.h>


namespace PyBindImath {
template <class T, class Q, class S>
void register_line(pybind11::module& m, const char *name)
{
pybind11::class_<T> c(m, name);
c.def(pybind11::init<>(), "Uninitialized by default")
.def(pybind11::init<const Q &, Q &>(), pybind11::arg("point1"), pybind11::arg("point2"), "Initialize with two points. The direction is the difference between the points.")
.def("__str__", [](const T &obj) {
std::stringstream ss;
ss << obj;
return ss.str();
});
}

void register_imath_line(pybind11::module &m)
{
register_line<Imath::Line3f, Imath::V3f, float>(m, "Line3f");
register_line<Imath::Line3d, Imath::V3d, double>(m, "Line3d");
}

}
53 changes: 53 additions & 0 deletions src/pybind11/PyBindImath/PyBindImathPlane.cpp
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@@ -0,0 +1,53 @@
//
// SPDX-License-Identifier: BSD-3-Clause
// Copyright Contributors to the OpenEXR Project.
//

#include "PyBindImath.h"
#include <ImathPlane.h>
#include <ImathVec.h>
#include <ImathLine.h>

namespace PyBindImath {

template <class T, class L, class Q, class S>
void register_plane(pybind11::module& m, const char *name)
{
pybind11::class_<T> c(m, name);
c.def(pybind11::init<>(), "Uninitialized by default")
.def(pybind11::init<const Q &, S>(), pybind11::arg("normal"), pybind11::arg("distance"), "Initialize with a normal and distance")
.def(pybind11::init<const Q &, const Q &>(), pybind11::arg("point"), pybind11::arg("normal"), "Initialize with a point and a normal")
.def(pybind11::init<const Q &, const Q &, const Q &>(), pybind11::arg("point1"), pybind11::arg("point2"), pybind11::arg("point3"), "Initialize with three points")
.def_readwrite("normal", &T::normal, "The normal to the plane")
.def_readwrite("distance", &T::distance, "The distance from the origin to the plane")
.def("set", pybind11::overload_cast<const Q &, S>(&T::set), pybind11::arg("normal"), pybind11::arg("distance"), "Set via a given normal and distance")
.def("set", pybind11::overload_cast<const Q &, const Q &>(&T::set), pybind11::arg("point"), pybind11::arg("normal"), "Set via a given point and normal")
.def("set", pybind11::overload_cast<const Q &, const Q &, const Q &>(&T::set), pybind11::arg("point1"), pybind11::arg("point2"), pybind11::arg("point3"), "Set via three points")
.def("intersect", [](T& self, const L& line) {
Q intersection;
bool result = self.intersect(line, intersection);
return pybind11::make_tuple(result, intersection);
}, pybind11::arg("line"), "Determine if a line intersects the plane. Returns a tuple (bool, Vec3). True if the line intersects the plane. Second element is the point of intersection")
.def("intersectT", [](T& self, const L& line) {
S intersection;
bool result = self.intersectT(line, intersection);
return pybind11::make_tuple(result, intersection);
}, pybind11::arg("line"), "Determine if a line intersects the plane. Returns a tuple (bool, T). True if the line intersects the plane. Second element is the parametric value of the point of intersection")
.def("distanceTo", &T::distanceTo, pybind11::arg("point"), "Returns the distance from a point to the plane")
.def("reflectPoint", &T::reflectPoint, pybind11::arg("point"), "Reflects the given point around the plane")
.def("reflectVector", &T::reflectVector, pybind11::arg("v"), "Reflects the direction vector around the plane")
.def("__str__", [](const T &obj) {
std::stringstream ss;
ss << obj;
return ss.str();
});
}

void register_imath_plane(pybind11::module &m)
{
register_plane<Imath::Plane3f, Imath::Line3f, Imath::V3f, float>(m, "Plane3f");
register_plane<Imath::Plane3d, Imath::Line3d, Imath::V3d, double>(m, "Plane3d");
}

}

3 changes: 3 additions & 0 deletions src/pybind11/PyBindImath/pybindimathmodule.cpp
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Expand Up @@ -13,6 +13,9 @@ PYBIND11_MODULE(pybindimath, m)

PyBindImath::register_imath_vec(m);
PyBindImath::register_imath_box(m);
PyBindImath::register_imath_plane(m);
PyBindImath::register_imath_line(m);


//
// Initialize constants
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