diff options
Diffstat (limited to 'xs/src/libslic3r/Format/3mf.cpp')
| -rw-r--r-- | xs/src/libslic3r/Format/3mf.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/xs/src/libslic3r/Format/3mf.cpp b/xs/src/libslic3r/Format/3mf.cpp index 0467962c3..2c32db1a6 100644 --- a/xs/src/libslic3r/Format/3mf.cpp +++ b/xs/src/libslic3r/Format/3mf.cpp @@ -1271,6 +1271,7 @@ namespace Slic3r { if ((std::abs(sx - sy) > 0.00001) || (std::abs(sx - sz) > 0.00001)) return; +#if 0 // use quaternions // rotations (extracted using quaternion) double inv_sx = 1.0 / sx; double inv_sy = 1.0 / sy; @@ -1331,6 +1332,25 @@ namespace Slic3r { if (angle_z < 0.0) angle_z += 2.0 * PI; } +#else // use eigen library + double inv_sx = 1.0 / sx; + double inv_sy = 1.0 / sy; + double inv_sz = 1.0 / sz; + + Eigen::Matrix3d m3x3; + m3x3 << (double)matrix(0, 0) * inv_sx, (double)matrix(0, 1) * inv_sy, (double)matrix(0, 2) * inv_sz, + (double)matrix(1, 0) * inv_sx, (double)matrix(1, 1) * inv_sy, (double)matrix(1, 2) * inv_sz, + (double)matrix(2, 0) * inv_sx, (double)matrix(2, 1) * inv_sy, (double)matrix(2, 2) * inv_sz; + + Eigen::AngleAxisd rotation; + rotation.fromRotationMatrix(m3x3); + + // invalid rotation axis, we currently handle only rotations around Z axis + if ((rotation.angle() != 0.0) && (rotation.axis() != Eigen::Vector3d::UnitZ()) && (rotation.axis() != -Eigen::Vector3d::UnitZ())) + return; + + double angle_z = (rotation.axis() == Eigen::Vector3d::UnitZ()) ? rotation.angle() : -rotation.angle(); +#endif instance.offset.x = offset_x; instance.offset.y = offset_y; |