Handling brim offset in SLA without the need to slice the object

This commit is contained in:
tamasmeszaros 2023-02-20 14:10:23 +01:00
parent 3c5ecd4a8f
commit 333d0727ef

View File

@ -97,28 +97,28 @@ void ArrangeJob::prepare_all() {
void ArrangeJob::prepare_selected() {
clear_input();
Model &model = m_plater->model();
double stride = bed_stride(m_plater);
std::vector<const Selection::InstanceIdxsList *>
obj_sel(model.objects.size(), nullptr);
for (auto &s : m_plater->get_selection().get_content())
if (s.first < int(obj_sel.size()))
obj_sel[size_t(s.first)] = &s.second;
// Go through the objects and check if inside the selection
for (size_t oidx = 0; oidx < model.objects.size(); ++oidx) {
const Selection::InstanceIdxsList * instlist = obj_sel[oidx];
ModelObject *mo = model.objects[oidx];
std::vector<bool> inst_sel(mo->instances.size(), false);
if (instlist)
for (auto inst_id : *instlist)
inst_sel[size_t(inst_id)] = true;
for (size_t i = 0; i < inst_sel.size(); ++i) {
ModelInstance * mi = mo->instances[i];
ArrangePolygon &&ap = get_arrange_poly_(mi);
@ -127,11 +127,11 @@ void ArrangeJob::prepare_selected() {
(inst_sel[i] ? m_selected :
m_unselected) :
m_unprintable;
cont.emplace_back(std::move(ap));
}
}
if (auto wti = get_wipe_tower(*m_plater)) {
ArrangePolygon &&ap = get_arrange_poly(wti, m_plater);
@ -139,20 +139,34 @@ void ArrangeJob::prepare_selected() {
m_unselected;
cont.emplace_back(std::move(ap));
}
// If the selection was empty arrange everything
if (m_selected.empty()) m_selected.swap(m_unselected);
if (m_selected.empty())
m_selected.swap(m_unselected);
// The strides have to be removed from the fixed items. For the
// arrangeable (selected) items bed_idx is ignored and the
// translation is irrelevant.
for (auto &p : m_unselected) p.translation(X) -= p.bed_idx * stride;
for (auto &p : m_unselected)
p.translation(X) -= p.bed_idx * stride;
}
static void update_arrangepoly_slaprint(arrangement::ArrangePolygon &ret,
const SLAPrintObject &po,
const ModelInstance &inst)
{
// The 1.1 multiplier is a safety gap, as the offset might be bigger
// in sharp edges of a polygon, depending on clipper's offset algorithm
coord_t pad_infl = 0;
{
double infl = po.config().pad_enable.getBool() * (
po.config().pad_brim_size.getFloat() +
po.config().pad_around_object.getBool() *
po.config().pad_object_gap.getFloat() );
pad_infl = scaled(1.1 * infl);
}
auto laststep = po.last_completed_step();
if (laststep < slaposCount && laststep > slaposSupportTree) {
@ -181,15 +195,9 @@ static void update_arrangepoly_slaprint(arrangement::ArrangePolygon &ret,
polys.emplace_back(its_convex_hull_2d_above(smesh.its, trafo_instance, zlvl));
ret.poly.contour = Geometry::convex_hull(polys);
ret.poly.holes = {};
// The 1.1 multiplier is a safety gap, as the offset might be bigger
// in sharp edges of a polygon, depending on clipper's offset algorithm
coord_t infl = 1.1 * scaled(po.config().pad_brim_size.getFloat() +
po.config().pad_around_object.getBool() *
po.config().pad_object_gap.getFloat());
ret.inflation = infl;
}
ret.inflation = pad_infl;
}
static coord_t brim_offset(const PrintObject &po, const ModelInstance &inst)