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Merge branch 'master' of https://github.com/prusa3d/Slic3r into objects_centering

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This commit is contained in:
Enrico Turri 2019-01-21 13:03:45 +01:00
commit 7de73bb967
3 changed files with 11 additions and 10 deletions
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11
src/slic3r/GUI/GLGizmo.cpp
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@ -1515,10 +1515,9 @@ void GLGizmoFlatten::update_planes()
vol_ch.transform(vol->get_matrix());
ch.merge(vol_ch);
}
ch = ch.convex_hull_3d();
m_planes.clear();
const Transform3d& inst_matrix = m_model_object->instances.front()->get_matrix();
const Transform3d& inst_matrix = m_model_object->instances.front()->get_matrix(true);
// Following constants are used for discarding too small polygons.
const float minimal_area = 5.f; // in square mm (world coordinates)
@ -1685,10 +1684,6 @@ void GLGizmoFlatten::update_planes()
// Transform back to 3D (and also back to mesh coordinates)
polygon = transform(polygon, inst_matrix.inverse() * m.inverse());
// make sure the points are in correct order:
if ( ((inst_matrix.inverse() * m.inverse()) * Vec3d(0., 0., 1.)).dot(normal) > 0.)
std::reverse(polygon.begin(),polygon.end());
}
// We'll sort the planes by area and only keep the 254 largest ones (because of the picking pass limitations):
@ -1703,6 +1698,7 @@ void GLGizmoFlatten::update_planes()
m_volumes_types.push_back(vol->type());
}
m_first_instance_scale = m_model_object->instances.front()->get_scaling_factor();
m_first_instance_mirror = m_model_object->instances.front()->get_mirror();
}
@ -1715,7 +1711,8 @@ bool GLGizmoFlatten::is_plane_update_necessary() const
return true;
// We want to recalculate when the scale changes - some planes could (dis)appear.
if (! m_model_object->instances.front()->get_scaling_factor().isApprox(m_first_instance_scale))
if (! m_model_object->instances.front()->get_scaling_factor().isApprox(m_first_instance_scale)
|| ! m_model_object->instances.front()->get_mirror().isApprox(m_first_instance_mirror))
return true;
for (unsigned int i=0; i < m_model_object->volumes.size(); ++i)