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Holes are now visible on slices in preview.

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This commit is contained in:
tamasmeszaros 2019-11-13 15:55:37 +01:00
parent 97811130a1
commit d4d037792d
9 changed files with 123 additions and 71 deletions
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4
cmake/modules/FindOpenVDB.cmake
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@ -283,9 +283,9 @@ endif()
macro(just_fail msg)
set(OpenVDB_FOUND FALSE)
if(OpenVDB_FIND_REQUIRED)
message(FATAL_ERROR msg)
message(FATAL_ERROR ${msg})
elseif(NOT OpenVDB_FIND_QUIETLY)
message(ERROR msg)
message(WARNING ${msg})
endif()
return()
endmacro()

6
src/libslic3r/Model.hpp
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@ -199,13 +199,13 @@ public:
// This vector holds position of selected support points for SLA. The data are
// saved in mesh coordinates to allow using them for several instances.
// The format is (x, y, z, point_size, supports_island)
std::vector<sla::SupportPoint> sla_support_points;
sla::SupportPoints sla_support_points;
// To keep track of where the points came from (used for synchronization between
// the SLA gizmo and the backend).
sla::PointsStatus sla_points_status = sla::PointsStatus::NoPoints;
sla::PointsStatus sla_points_status = sla::PointsStatus::NoPoints;
// Holes to be drilled into the object so resin can flow out
std::vector<sla::DrainHole> sla_drain_holes;
sla::DrainHoles sla_drain_holes;
/* This vector accumulates the total translation applied to the object by the
center_around_origin() method. Callers might want to apply the same translation

2
src/libslic3r/SLA/SupportTreeBuilder.hpp
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@ -74,7 +74,7 @@ Contour3D sphere(double rho, Portion portion = make_portion(0.0, 2.0*PI),
// h: Height
// ssteps: how many edges will create the base circle
// sp: starting point
Contour3D cylinder(double r, double h, size_t ssteps, const Vec3d &sp = {0,0,0});
Contour3D cylinder(double r, double h, size_t ssteps = 45, const Vec3d &sp = {0,0,0});
const constexpr long ID_UNSET = -1;

39
src/libslic3r/SLAPrint.cpp
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@ -414,6 +414,12 @@ SLAPrint::ApplyStatus SLAPrint::apply(const Model &model, DynamicPrintConfig con
model_object.sla_support_points = model_object_new.sla_support_points;
}
model_object.sla_points_status = model_object_new.sla_points_status;
if (model_object.sla_drain_holes.size() != model_object_new.sla_drain_holes.size())
{
model_object.sla_drain_holes = model_object_new.sla_drain_holes;
update_apply_status(it_print_object_status->print_object->invalidate_step(slaposHollowing));
}
// Copy the ModelObject name, input_file and instances. The instances will compared against PrintObject instances in the next step.
model_object.name = model_object_new.name;
@ -1154,21 +1160,30 @@ const TriangleMesh &SLAPrintObject::transformed_mesh() const {
return m_transformed_rmesh.get();
}
std::vector<sla::SupportPoint> SLAPrintObject::transformed_support_points() const
template<class It, class Trafo, class V = typename std::iterator_traits<It>::value_type>
std::vector<V> transform_pts(It from, It to, Trafo &&tr)
{
auto ret = reserve_vector<V>(to - from);
for(auto it = from; it != to; ++it) {
V v = *it;
v.pos = tr * it->pos;
ret.emplace_back(std::move(v));
}
return ret;
}
sla::SupportPoints SLAPrintObject::transformed_support_points() const
{
assert(m_model_object != nullptr);
std::vector<sla::SupportPoint>& spts = m_model_object->sla_support_points;
auto& spts = m_model_object->sla_support_points;
return transform_pts(spts.begin(), spts.end(), trafo().cast<float>());
}
// this could be cached as well
std::vector<sla::SupportPoint> ret;
ret.reserve(spts.size());
for(sla::SupportPoint& sp : spts) {
Vec3f transformed_pos = trafo().cast<float>() * sp.pos;
ret.emplace_back(transformed_pos, sp.head_front_radius, sp.is_new_island);
}
return ret;
sla::DrainHoles SLAPrintObject::transformed_drainhole_points() const
{
assert(m_model_object != nullptr);
auto& spts = m_model_object->sla_drain_holes;
return transform_pts(spts.begin(), spts.end(), trafo().cast<float>());
}
DynamicConfig SLAPrintStatistics::config() const

3
src/libslic3r/SLAPrint.hpp
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@ -83,7 +83,8 @@ public:
// This will return the transformed mesh which is cached
const TriangleMesh& transformed_mesh() const;
std::vector<sla::SupportPoint> transformed_support_points() const;
sla::SupportPoints transformed_support_points() const;
sla::DrainHoles transformed_drainhole_points() const;
// Get the needed Z elevation for the model geometry if supports should be
// displayed. This Z offset should also be applied to the support

72
src/libslic3r/SLAPrintSteps.cpp
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@ -1,5 +1,9 @@
#include <libslic3r/SLAPrintSteps.hpp>
// Need the cylinder method for the the drainholes in hollowing step
#include <libslic3r/SLA/SupportTreeBuilder.hpp>
#include <libslic3r/SLA/Concurrency.hpp>
#include <libslic3r/SLA/Pad.hpp>
#include <libslic3r/SLA/SupportPointGenerator.hpp>
@ -98,6 +102,42 @@ void SLAPrint::Steps::hollow_model(SLAPrintObject &po)
BOOST_LOG_TRIVIAL(warning) << "Hollowed interior is empty!";
}
static void cut_drainholes(std::vector<ExPolygons> & obj_slices,
const std::vector<float> &slicegrid,
float closing_radius,
const sla::DrainHoles & holes,
std::function<void(void)> thr)
{
TriangleMesh mesh;
for (const sla::DrainHole &holept : holes) {
auto r = double(holept.radius);
auto h = double(holept.height);
sla::Contour3D hole = sla::cylinder(r, h);
Eigen::Quaterniond q;
q.setFromTwoVectors(Vec3d{0., 0., 1.}, holept.normal.cast<double>());
for(auto& p : hole.points) p = q * p + holept.pos.cast<double>();
mesh.merge(sla::to_triangle_mesh(hole));
}
if (mesh.empty()) return;
mesh.require_shared_vertices();
TriangleMeshSlicer slicer(&mesh);
std::vector<ExPolygons> hole_slices;
slicer.slice(slicegrid, closing_radius, &hole_slices, thr);
if (obj_slices.size() != hole_slices.size())
BOOST_LOG_TRIVIAL(warning)
<< "Sliced object and drain-holes layer count does not match!";
size_t until = std::min(obj_slices.size(), hole_slices.size());
for (size_t i = 0; i < until; ++i)
obj_slices[i] = diff_ex(obj_slices[i], hole_slices[i]);
}
// The slicing will be performed on an imaginary 1D grid which starts from
// the bottom of the bounding box created around the supported model. So
// the first layer which is usually thicker will be part of the supports
@ -107,12 +147,10 @@ void SLAPrint::Steps::hollow_model(SLAPrintObject &po)
// of it. In any case, the model and the supports have to be sliced in the
// same imaginary grid (the height vector argument to TriangleMeshSlicer).
void SLAPrint::Steps::slice_model(SLAPrintObject &po)
{
{
TriangleMesh hollowed_mesh;
bool is_hollowing = po.m_config.hollowing_enable.getBool() &&
po.m_hollowing_data;
bool is_hollowing = po.m_config.hollowing_enable.getBool() && po.m_hollowing_data;
if (is_hollowing) {
hollowed_mesh = po.transformed_mesh();
@ -120,8 +158,7 @@ void SLAPrint::Steps::slice_model(SLAPrintObject &po)
hollowed_mesh.require_shared_vertices();
}
const TriangleMesh &mesh = is_hollowing ? hollowed_mesh :
po.transformed_mesh();
const TriangleMesh &mesh = is_hollowing ? hollowed_mesh : po.transformed_mesh();
// We need to prepare the slice index...
@ -163,10 +200,13 @@ void SLAPrint::Steps::slice_model(SLAPrintObject &po)
TriangleMeshSlicer slicer(&mesh);
po.m_model_slices.clear();
slicer.slice(po.m_model_height_levels,
float(po.config().slice_closing_radius.value),
&po.m_model_slices,
[this](){ m_print->throw_if_canceled(); });
float closing_r = float(po.config().slice_closing_radius.value);
auto thr = [this]() { m_print->throw_if_canceled(); };
auto &slice_grid = po.m_model_height_levels;
slicer.slice(slice_grid, closing_r, &po.m_model_slices, thr);
sla::DrainHoles drainholes = po.transformed_drainhole_points();
cut_drainholes(po.m_model_slices, slice_grid, closing_r, drainholes, thr);
auto mit = slindex_it;
double doffs = m_print->m_printer_config.absolute_correction.getFloat();
@ -183,8 +223,7 @@ void SLAPrint::Steps::slice_model(SLAPrintObject &po)
mit->set_model_slice_idx(po, id); ++mit;
}
if(po.m_config.supports_enable.getBool() ||
po.m_config.pad_enable.getBool())
if(po.m_config.supports_enable.getBool() || po.m_config.pad_enable.getBool())
{
po.m_supportdata.reset(
new SLAPrintObject::SupportData(po.transformed_mesh()) );
@ -324,8 +363,7 @@ void SLAPrint::Steps::generate_pad(SLAPrintObject &po) {
// and before the supports had been sliced. (or the slicing has to be
// repeated)
if(po.m_config.pad_enable.getBool())
{
if(po.m_config.pad_enable.getBool()) {
// Get the distilled pad configuration from the config
sla::PadConfig pcfg = make_pad_cfg(po.m_config);
@ -368,13 +406,11 @@ void SLAPrint::Steps::slice_supports(SLAPrintObject &po) {
if(sd) sd->support_slices.clear();
// Don't bother if no supports and no pad is present.
if (!po.m_config.supports_enable.getBool() &&
!po.m_config.pad_enable.getBool())
if (!po.m_config.supports_enable.getBool() && !po.m_config.pad_enable.getBool())
return;
if(sd && sd->support_tree_ptr) {
std::vector<float> heights; heights.reserve(po.m_slice_index.size());
auto heights = reserve_vector<float>(po.m_slice_index.size());
for(auto& rec : po.m_slice_index) heights.emplace_back(rec.slice_level());

44
src/slic3r/GUI/Gizmos/GLGizmoHollow.cpp
View File

@ -250,7 +250,7 @@ void GLGizmoHollow::render_points(const Selection& selection, bool picking) cons
const sla::DrainHole& drain_hole = m_model_object->sla_drain_holes[i];
const bool& point_selected = m_selected[i];
if (is_mesh_point_clipped(drain_hole.m_pos.cast<double>()))
if (is_mesh_point_clipped(drain_hole.pos.cast<double>()))
continue;
// First decide about the color of the point.
@ -281,7 +281,7 @@ void GLGizmoHollow::render_points(const Selection& selection, bool picking) cons
// Inverse matrix of the instance scaling is applied so that the mark does not scale with the object.
glsafe(::glPushMatrix());
glsafe(::glTranslatef(drain_hole.m_pos(0), drain_hole.m_pos(1), drain_hole.m_pos(2)));
glsafe(::glTranslatef(drain_hole.pos(0), drain_hole.pos(1), drain_hole.pos(2)));
glsafe(::glMultMatrixd(instance_scaling_matrix_inverse.data()));
if (vol->is_left_handed())
@ -290,17 +290,17 @@ void GLGizmoHollow::render_points(const Selection& selection, bool picking) cons
// Matrices set, we can render the point mark now.
Eigen::Quaterniond q;
q.setFromTwoVectors(Vec3d{0., 0., 1.}, instance_scaling_matrix_inverse * (-drain_hole.m_normal).cast<double>());
q.setFromTwoVectors(Vec3d{0., 0., 1.}, instance_scaling_matrix_inverse * (-drain_hole.normal).cast<double>());
Eigen::AngleAxisd aa(q);
glsafe(::glRotated(aa.angle() * (180. / M_PI), aa.axis()(0), aa.axis()(1), aa.axis()(2)));
glsafe(::glPushMatrix());
glsafe(::glTranslated(0., 0., -drain_hole.m_height));
::gluCylinder(m_quadric, drain_hole.m_radius, drain_hole.m_radius, drain_hole.m_height, 24, 1);
glsafe(::glTranslated(0., 0., drain_hole.m_height));
::gluDisk(m_quadric, 0.0, drain_hole.m_radius, 24, 1);
glsafe(::glTranslated(0., 0., -drain_hole.m_height));
glsafe(::glTranslated(0., 0., -drain_hole.height));
::gluCylinder(m_quadric, drain_hole.radius, drain_hole.radius, drain_hole.height, 24, 1);
glsafe(::glTranslated(0., 0., drain_hole.height));
::gluDisk(m_quadric, 0.0, drain_hole.radius, 24, 1);
glsafe(::glTranslated(0., 0., -drain_hole.height));
glsafe(::glRotatef(180.f, 1.f, 0.f, 0.f));
::gluDisk(m_quadric, 0.0, drain_hole.m_radius, 24, 1);
::gluDisk(m_quadric, 0.0, drain_hole.radius, 24, 1);
glsafe(::glPopMatrix());
if (vol->is_left_handed())
@ -433,7 +433,7 @@ bool GLGizmoHollow::gizmo_event(SLAGizmoEventType action, const Vec2d& mouse_pos
m_model_object->sla_drain_holes.emplace_back(pos_and_normal.first + HoleStickOutLength * pos_and_normal.second,
-pos_and_normal.second, m_new_hole_radius, m_new_hole_height+HoleStickOutLength);
m_selected.push_back(false);
assert(m_selected.size == m_model_object->sla_drain_holes.size());
assert(m_selected.size() == m_model_object->sla_drain_holes.size());
m_parent.set_as_dirty();
m_wait_for_up_event = true;
}
@ -456,7 +456,7 @@ bool GLGizmoHollow::gizmo_event(SLAGizmoEventType action, const Vec2d& mouse_pos
trafo.set_offset(trafo.get_offset() + Vec3d(0., 0., m_z_shift));
std::vector<Vec3d> points;
for (unsigned int i=0; i<m_model_object->sla_drain_holes.size(); ++i)
points.push_back(trafo.get_matrix() * m_model_object->sla_drain_holes[i].m_pos.cast<double>());
points.push_back(trafo.get_matrix() * m_model_object->sla_drain_holes[i].pos.cast<double>());
// Now ask the rectangle which of the points are inside.
std::vector<Vec3f> points_inside;
@ -558,8 +558,8 @@ void GLGizmoHollow::on_update(const UpdateData& data)
std::pair<Vec3f, Vec3f> pos_and_normal;
if (! unproject_on_mesh(data.mouse_pos.cast<double>(), pos_and_normal))
return;
m_model_object->sla_drain_holes[m_hover_id].m_pos = pos_and_normal.first + HoleStickOutLength * pos_and_normal.second;
m_model_object->sla_drain_holes[m_hover_id].m_normal = -pos_and_normal.second;
m_model_object->sla_drain_holes[m_hover_id].pos = pos_and_normal.first + HoleStickOutLength * pos_and_normal.second;
m_model_object->sla_drain_holes[m_hover_id].normal = -pos_and_normal.second;
}
}
@ -688,20 +688,20 @@ RENDER_AGAIN:
if (ImGui::IsItemEdited()) {
for (size_t idx=0; idx<m_selected.size(); ++idx)
if (m_selected[idx])
m_model_object->sla_drain_holes[idx].m_radius = m_new_hole_radius;
m_model_object->sla_drain_holes[idx].radius = m_new_hole_radius;
}
if (ImGui::IsItemDeactivatedAfterEdit()) {
// momentarily restore the old value to take snapshot
for (size_t idx=0; idx<m_selected.size(); ++idx)
if (m_selected[idx])
m_model_object->sla_drain_holes[idx].m_radius = m_old_hole_radius;
m_model_object->sla_drain_holes[idx].radius = m_old_hole_radius;
float backup = m_new_hole_radius;
m_new_hole_radius = m_old_hole_radius;
Plater::TakeSnapshot snapshot(wxGetApp().plater(), _(L("Change drainage hole diameter")));
m_new_hole_radius = backup;
for (size_t idx=0; idx<m_selected.size(); ++idx)
if (m_selected[idx])
m_model_object->sla_drain_holes[idx].m_radius = m_new_hole_radius;
m_model_object->sla_drain_holes[idx].radius = m_new_hole_radius;
m_old_hole_radius = 0.f;
}
@ -863,7 +863,7 @@ void GLGizmoHollow::on_start_dragging()
if (m_hover_id != -1) {
select_point(NoPoints);
select_point(m_hover_id);
m_hole_before_drag = m_model_object->sla_drain_holes[m_hover_id].m_pos;
m_hole_before_drag = m_model_object->sla_drain_holes[m_hover_id].pos;
}
else
m_hole_before_drag = Vec3f::Zero();
@ -873,14 +873,14 @@ void GLGizmoHollow::on_start_dragging()
void GLGizmoHollow::on_stop_dragging()
{
if (m_hover_id != -1) {
Vec3f backup = m_model_object->sla_drain_holes[m_hover_id].m_pos;
Vec3f backup = m_model_object->sla_drain_holes[m_hover_id].pos;
if (m_hole_before_drag != Vec3f::Zero() // some point was touched
&& backup != m_hole_before_drag) // and it was moved, not just selected
{
m_model_object->sla_drain_holes[m_hover_id].m_pos = m_hole_before_drag;
m_model_object->sla_drain_holes[m_hover_id].pos = m_hole_before_drag;
Plater::TakeSnapshot snapshot(wxGetApp().plater(), _(L("Move drainage hole")));
m_model_object->sla_drain_holes[m_hover_id].m_pos = backup;
m_model_object->sla_drain_holes[m_hover_id].pos = backup;
}
}
m_hole_before_drag = Vec3f::Zero();
@ -921,14 +921,14 @@ void GLGizmoHollow::select_point(int i)
m_selection_empty = (i == NoPoints);
if (i == AllPoints)
m_new_hole_radius = m_model_object->sla_drain_holes[0].m_radius;
m_new_hole_radius = m_model_object->sla_drain_holes[0].radius;
}
else {
while (size_t(i) >= m_selected.size())
m_selected.push_back(false);
m_selected[i] = true;
m_selection_empty = false;
m_new_hole_radius = m_model_object->sla_drain_holes[i].m_radius;
m_new_hole_radius = m_model_object->sla_drain_holes[i].radius;
}
}

22
src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
View File

@ -336,7 +336,7 @@ void GLGizmoSlaSupports::render_points(const Selection& selection, bool picking)
for (const sla::DrainHole& drain_hole : m_model_object->sla_drain_holes) {
// Inverse matrix of the instance scaling is applied so that the mark does not scale with the object.
glsafe(::glPushMatrix());
glsafe(::glTranslatef(drain_hole.m_pos(0), drain_hole.m_pos(1), drain_hole.m_pos(2)));
glsafe(::glTranslatef(drain_hole.pos(0), drain_hole.pos(1), drain_hole.pos(2)));
glsafe(::glMultMatrixd(instance_scaling_matrix_inverse.data()));
if (vol->is_left_handed())
@ -345,17 +345,17 @@ void GLGizmoSlaSupports::render_points(const Selection& selection, bool picking)
// Matrices set, we can render the point mark now.
Eigen::Quaterniond q;
q.setFromTwoVectors(Vec3d{0., 0., 1.}, instance_scaling_matrix_inverse * (-drain_hole.m_normal).cast<double>());
q.setFromTwoVectors(Vec3d{0., 0., 1.}, instance_scaling_matrix_inverse * (-drain_hole.normal).cast<double>());
Eigen::AngleAxisd aa(q);
glsafe(::glRotated(aa.angle() * (180. / M_PI), aa.axis()(0), aa.axis()(1), aa.axis()(2)));
glsafe(::glPushMatrix());
glsafe(::glTranslated(0., 0., -drain_hole.m_height));
::gluCylinder(m_quadric, drain_hole.m_radius, drain_hole.m_radius, drain_hole.m_height, 24, 1);
glsafe(::glTranslated(0., 0., drain_hole.m_height));
::gluDisk(m_quadric, 0.0, drain_hole.m_radius, 24, 1);
glsafe(::glTranslated(0., 0., -drain_hole.m_height));
glsafe(::glTranslated(0., 0., -drain_hole.height));
::gluCylinder(m_quadric, drain_hole.radius, drain_hole.radius, drain_hole.height, 24, 1);
glsafe(::glTranslated(0., 0., drain_hole.height));
::gluDisk(m_quadric, 0.0, drain_hole.radius, 24, 1);
glsafe(::glTranslated(0., 0., -drain_hole.height));
glsafe(::glRotatef(180.f, 1.f, 0.f, 0.f));
::gluDisk(m_quadric, 0.0, drain_hole.m_radius, 24, 1);
::gluDisk(m_quadric, 0.0, drain_hole.radius, 24, 1);
glsafe(::glPopMatrix());
if (vol->is_left_handed())
@ -421,10 +421,10 @@ bool GLGizmoSlaSupports::is_point_in_hole(const Vec3f& pt) const
for (const sla::DrainHole& hole : m_model_object->sla_drain_holes) {
if ( hole.m_normal.dot(pt-hole.m_pos) < EPSILON
|| hole.m_normal.dot(pt-(hole.m_pos+hole.m_height * hole.m_normal)) > 0.f)
if ( hole.normal.dot(pt-hole.pos) < EPSILON
|| hole.normal.dot(pt-(hole.pos+hole.height * hole.normal)) > 0.f)
continue;
if ( squared_distance_from_line(pt, hole.m_pos, hole.m_normal) < pow(hole.m_radius, 2.f))
if ( squared_distance_from_line(pt, hole.pos, hole.normal) < pow(hole.radius, 2.f))
return true;
}

2
src/slic3r/GUI/MeshUtils.hpp
View File

@ -47,7 +47,7 @@ public:
bool operator!=(const ClippingPlane& cp) const { return ! (*this==cp); }
double distance(const Vec3d& pt) const {
assert(is_approx(get_normal().norm(), 1.));
// FIXME: this fails: assert(is_approx(get_normal().norm(), 1.));
return (-get_normal().dot(pt) + m_data[3]);
}