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Fixed volume transformations in SLA:

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Volume transformations were ignored in SLA mode. This did not matter for plain STLs
and PS own 3MF, because in those cases, the volume trafo was identity. Importing
a 3rd party 3MF leads to issues with support/holes placement and generation.
Fixes #6100 and #6744.
This commit is contained in:
Lukas Matena 2021-09-24 09:58:17 +02:00
parent fec5d92bc8
commit 6b25a9c836
4 changed files with 68 additions and 31 deletions
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35
src/slic3r/GUI/Gizmos/GLGizmoHollow.cpp
View file

@ -106,9 +106,13 @@ void GLGizmoHollow::render_points(const Selection& selection, bool picking) cons
shader->start_using();
ScopeGuard guard([shader]() { if (shader) shader->stop_using(); });
const GLVolume* vol = selection.get_volume(*selection.get_volume_idxs().begin());
const Transform3d& instance_scaling_matrix_inverse = vol->get_instance_transformation().get_matrix(true, true, false, true).inverse();
const Transform3d& instance_matrix = vol->get_instance_transformation().get_matrix();
const ModelObject* mo = m_c->selection_info()->model_object();
const ModelInstance* mi = mo->instances[m_c->selection_info()->get_active_instance()];
const ModelVolume* mv = mo->volumes.front();
Geometry::Transformation transformation(mi->get_transformation() * mv->get_transformation());
const Transform3d& instance_scaling_matrix_inverse = transformation.get_matrix(true, true, false, true).inverse();
const Transform3d& instance_matrix = transformation.get_matrix();
glsafe(::glPushMatrix());
glsafe(::glTranslated(0.0, 0.0, m_c->selection_info()->get_sla_shift()));
@ -117,6 +121,7 @@ void GLGizmoHollow::render_points(const Selection& selection, bool picking) cons
std::array<float, 4> render_color;
const sla::DrainHoles& drain_holes = m_c->selection_info()->model_object()->sla_drain_holes;
size_t cache_size = drain_holes.size();
const GLVolume* vol = selection.get_volume(*selection.get_volume_idxs().begin());
for (size_t i = 0; i < cache_size; ++i) {
const sla::DrainHole& drain_hole = drain_holes[i];
@ -184,13 +189,13 @@ bool GLGizmoHollow::is_mesh_point_clipped(const Vec3d& point) const
if (m_c->object_clipper()->get_position() == 0.)
return false;
auto sel_info = m_c->selection_info();
int active_inst = m_c->selection_info()->get_active_instance();
const ModelInstance* mi = sel_info->model_object()->instances[active_inst];
const Transform3d& trafo = mi->get_transformation().get_matrix();
const ModelObject* mo = m_c->selection_info()->model_object();
const ModelInstance* mi = mo->instances[active_inst];
const Transform3d trafo = (mi->get_transformation() * mo->volumes.front()->get_transformation()).get_matrix();
Vec3d transformed_point = trafo * point;
transformed_point(2) += sel_info->get_sla_shift();
transformed_point(2) += m_c->selection_info()->get_sla_shift();
return m_c->object_clipper()->get_clipping_plane()->is_point_clipped(transformed_point);
}
@ -205,9 +210,12 @@ bool GLGizmoHollow::unproject_on_mesh(const Vec2d& mouse_pos, std::pair<Vec3f, V
const Camera& camera = wxGetApp().plater()->get_camera();
const Selection& selection = m_parent.get_selection();
const GLVolume* volume = selection.get_volume(*selection.get_volume_idxs().begin());
Geometry::Transformation trafo = volume->get_instance_transformation();
trafo.set_offset(trafo.get_offset() + Vec3d(0., 0., m_c->selection_info()->get_sla_shift()));
const ModelObject* mo = m_c->selection_info()->model_object();
const ModelInstance* mi = mo->instances[selection.get_instance_idx()];
const ModelVolume* mv = mo->volumes.front();
Transform3d trafo = mi->get_transformation().get_matrix() * mv->get_matrix();
trafo.pretranslate(Vec3d(0., 0., m_c->selection_info()->get_sla_shift()));
double clp_dist = m_c->object_clipper()->get_position();
const ClippingPlane* clp = m_c->object_clipper()->get_clipping_plane();
@ -217,7 +225,7 @@ bool GLGizmoHollow::unproject_on_mesh(const Vec2d& mouse_pos, std::pair<Vec3f, V
Vec3f normal;
if (m_c->raycaster()->raycaster()->unproject_on_mesh(
mouse_pos,
trafo.get_matrix(),
trafo,
camera,
hit,
normal,
@ -307,8 +315,11 @@ bool GLGizmoHollow::gizmo_event(SLAGizmoEventType action, const Vec2d& mouse_pos
GLSelectionRectangle::EState rectangle_status = m_selection_rectangle.get_state();
// First collect positions of all the points in world coordinates.
Geometry::Transformation trafo = mo->instances[active_inst]->get_transformation();
const ModelInstance* mi = mo->instances[active_inst];
const ModelVolume* mv = mo->volumes.front();
Geometry::Transformation trafo(mi->get_transformation() * mv->get_transformation());
trafo.set_offset(trafo.get_offset() + Vec3d(0., 0., m_c->selection_info()->get_sla_shift()));
std::vector<Vec3d> points;
for (unsigned int i=0; i<mo->sla_drain_holes.size(); ++i)
points.push_back(trafo.get_matrix() * mo->sla_drain_holes[i].pos.cast<double>());

35
src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
View file

@ -127,9 +127,13 @@ void GLGizmoSlaSupports::render_points(const Selection& selection, bool picking)
shader->stop_using();
});
const GLVolume* vol = selection.get_volume(*selection.get_volume_idxs().begin());
const Transform3d& instance_scaling_matrix_inverse = vol->get_instance_transformation().get_matrix(true, true, false, true).inverse();
const Transform3d& instance_matrix = vol->get_instance_transformation().get_matrix();
const ModelObject* mo = m_c->selection_info()->model_object();
const ModelInstance* mi = mo->instances[m_c->selection_info()->get_active_instance()];
const ModelVolume* mv = mo->volumes.front();
Geometry::Transformation transformation(mi->get_transformation() * mv->get_transformation());
const Transform3d& instance_scaling_matrix_inverse = transformation.get_matrix(true, true, false, true).inverse();
const Transform3d& instance_matrix = transformation.get_matrix();
float z_shift = m_c->selection_info()->get_sla_shift();
glsafe(::glPushMatrix());
@ -137,6 +141,7 @@ void GLGizmoSlaSupports::render_points(const Selection& selection, bool picking)
glsafe(::glMultMatrixd(instance_matrix.data()));
std::array<float, 4> render_color;
const GLVolume* vol = selection.get_volume(*selection.get_volume_idxs().begin());
for (size_t i = 0; i < cache_size; ++i) {
const sla::SupportPoint& support_point = m_editing_mode ? m_editing_cache[i].support_point : m_normal_cache[i];
const bool& point_selected = m_editing_mode ? m_editing_cache[i].selected : false;
@ -265,13 +270,13 @@ bool GLGizmoSlaSupports::is_mesh_point_clipped(const Vec3d& point) const
if (m_c->object_clipper()->get_position() == 0.)
return false;
auto sel_info = m_c->selection_info();
int active_inst = m_c->selection_info()->get_active_instance();
const ModelInstance* mi = sel_info->model_object()->instances[active_inst];
const Transform3d& trafo = mi->get_transformation().get_matrix();
const ModelObject* mo = m_c->selection_info()->model_object();
const ModelInstance* mi = mo->instances[active_inst];
const Transform3d trafo = (mi->get_transformation() * mo->volumes.front()->get_transformation()).get_matrix();
Vec3d transformed_point = trafo * point;
transformed_point(2) += sel_info->get_sla_shift();
transformed_point(2) += m_c->selection_info()->get_sla_shift();
return m_c->object_clipper()->get_clipping_plane()->is_point_clipped(transformed_point);
}
@ -286,9 +291,12 @@ bool GLGizmoSlaSupports::unproject_on_mesh(const Vec2d& mouse_pos, std::pair<Vec
const Camera& camera = wxGetApp().plater()->get_camera();
const Selection& selection = m_parent.get_selection();
const GLVolume* volume = selection.get_volume(*selection.get_volume_idxs().begin());
Geometry::Transformation trafo = volume->get_instance_transformation();
trafo.set_offset(trafo.get_offset() + Vec3d(0., 0., m_c->selection_info()->get_sla_shift()));
const ModelObject* mo = m_c->selection_info()->model_object();
const ModelInstance* mi = mo->instances[selection.get_instance_idx()];
const ModelVolume* mv = mo->volumes.front();
Transform3d trafo = mi->get_transformation().get_matrix() * mv->get_matrix();
trafo.pretranslate(Vec3d(0., 0., m_c->selection_info()->get_sla_shift()));
double clp_dist = m_c->object_clipper()->get_position();
const ClippingPlane* clp = m_c->object_clipper()->get_clipping_plane();
@ -298,7 +306,7 @@ bool GLGizmoSlaSupports::unproject_on_mesh(const Vec2d& mouse_pos, std::pair<Vec
Vec3f normal;
if (m_c->raycaster()->raycaster()->unproject_on_mesh(
mouse_pos,
trafo.get_matrix(),
trafo,
camera,
hit,
normal,
@ -388,8 +396,11 @@ bool GLGizmoSlaSupports::gizmo_event(SLAGizmoEventType action, const Vec2d& mous
GLSelectionRectangle::EState rectangle_status = m_selection_rectangle.get_state();
// First collect positions of all the points in world coordinates.
Geometry::Transformation trafo = mo->instances[active_inst]->get_transformation();
const ModelInstance* mi = mo->instances[active_inst];
const ModelVolume* mv = mo->volumes.front();
Geometry::Transformation trafo(mi->get_transformation() * mv->get_transformation());
trafo.set_offset(trafo.get_offset() + Vec3d(0., 0., m_c->selection_info()->get_sla_shift()));
std::vector<Vec3d> points;
for (unsigned int i=0; i<m_editing_cache.size(); ++i)
points.push_back(trafo.get_matrix() * m_editing_cache[i].support_point.pos.cast<double>());