3D-printing/OrcaSlicer
1
0
Fork 0
mirror of https://github.com/SoftFever/OrcaSlicer.git synced 2025-07-16 11:17:51 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Fix caucluation of rotation between two vectors during auto-orient (#4144)

Browse source 
* Properly extract rotation matrix

* Another attempt to fix auto-orient
This commit is contained in:
Noisyfox 2024-02-20 22:28:06 +08:00 • committed by GitHub
parent a74a1d26fd
commit bff50a5fd8
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
2 changed files with 4 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

2
src/libslic3r/Geometry.cpp
View file

@ -418,7 +418,7 @@ Vec3d extract_euler_angles(const Transform3d& transform)
void rotation_from_two_vectors(Vec3d from, Vec3d to, Vec3d& rotation_axis, double& phi, Matrix3d* rotation_matrix)
{
const Matrix3d m = Transform3d(Eigen::Quaterniond().setFromTwoVectors(from, to)).matrix().block<3, 3>(0, 0);
const Matrix3d m = Eigen::Quaterniond().setFromTwoVectors(from, to).toRotationMatrix();
const Eigen::AngleAxisd aa(m);
rotation_axis = aa.axis();
phi = aa.angle();

7
src/libslic3r/Model.hpp
View file

@ -1298,10 +1298,9 @@ public:
// BBS
void rotate(Matrix3d rotation_matrix) {
auto R = m_transformation.get_rotation_matrix().matrix().block<3, 3>(0, 0);
auto R_new = rotation_matrix * R;
auto euler_angles = Geometry::extract_euler_angles(R_new);
set_rotation(euler_angles);
auto rotation = m_transformation.get_rotation_matrix();
rotation = rotation_matrix * rotation;
set_rotation(Geometry::Transformation(rotation).get_rotation());
}
Vec3d get_scaling_factor() const { return m_transformation.get_scaling_factor(); }