3DPrinting/PrusaSlicer-NonPlainar
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Merge branch 'master' of https://github.com/prusa3d/PrusaSlicer into et_perspective_camera

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This commit is contained in:
Enrico Turri 2019-06-17 09:34:25 +02:00
commit ddb4c1ff3f
6 changed files with 134 additions and 86 deletions
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26
src/libslic3r/SLA/SLABasePool.cpp
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@ -53,7 +53,7 @@ Contour3D walls(const Polygon& lower, const Polygon& upper,
// Shorthand for the vertex arrays
auto& upoints = upper.points, &lpoints = lower.points;
auto& rpts = ret.points; auto& rfaces = ret.indices;
auto& rpts = ret.points; auto& ind = ret.indices;
// If the Z levels are flipped, or the offset difference is negative, we
// will interpret that as the triangles normals should be inverted.
@ -61,7 +61,7 @@ Contour3D walls(const Polygon& lower, const Polygon& upper,
// Copy the points into the mesh, convert them from 2D to 3D
rpts.reserve(upoints.size() + lpoints.size());
rfaces.reserve(2*upoints.size() + 2*lpoints.size());
ind.reserve(2*upoints.size() + 2*lpoints.size());
const double sf = SCALING_FACTOR;
for(auto& p : upoints) rpts.emplace_back(p.x()*sf, p.y()*sf, upper_z_mm);
for(auto& p : lpoints) rpts.emplace_back(p.x()*sf, p.y()*sf, lower_z_mm);
@ -121,9 +121,9 @@ Contour3D walls(const Polygon& lower, const Polygon& upper,
case Proceed::UPPER:
if(!ustarted || uidx != uendidx) { // there are vertices remaining
// Get the 3D vertices in order
const Vec3d& p_up1 = rpts[size_t(uidx)];
const Vec3d& p_low = rpts[size_t(lidx)];
const Vec3d& p_up2 = rpts[size_t(unextidx)];
const Vec3d& p_up1 = rpts[uidx];
const Vec3d& p_low = rpts[lidx];
const Vec3d& p_up2 = rpts[unextidx];
// Calculate fitness: the average of the two connecting edges
double a = offsdiff2 - (distfn(p_up1, p_low) - zdiff2);
@ -133,8 +133,9 @@ Contour3D walls(const Polygon& lower, const Polygon& upper,
if(current_fit > prev_fit) { // fit is worse than previously
proceed = Proceed::LOWER;
} else { // good to go, create the triangle
inverted? rfaces.emplace_back(unextidx, lidx, uidx) :
rfaces.emplace_back(uidx, lidx, unextidx) ;
inverted
? ind.emplace_back(int(unextidx), int(lidx), int(uidx))
: ind.emplace_back(int(uidx), int(lidx), int(unextidx));
// Increment the iterators, rotate if necessary
++uidx; ++unextidx;
@ -150,9 +151,9 @@ Contour3D walls(const Polygon& lower, const Polygon& upper,
case Proceed::LOWER:
// Mode with lower segment, upper vertex. Same structure:
if(!lstarted || lidx != lendidx) {
const Vec3d& p_low1 = rpts[size_t(lidx)];
const Vec3d& p_low2 = rpts[size_t(lnextidx)];
const Vec3d& p_up = rpts[size_t(uidx)];
const Vec3d& p_low1 = rpts[lidx];
const Vec3d& p_low2 = rpts[lnextidx];
const Vec3d& p_up = rpts[uidx];
double a = offsdiff2 - (distfn(p_up, p_low1) - zdiff2);
double b = offsdiff2 - (distfn(p_up, p_low2) - zdiff2);
@ -161,8 +162,9 @@ Contour3D walls(const Polygon& lower, const Polygon& upper,
if(current_fit > prev_fit) {
proceed = Proceed::UPPER;
} else {
inverted? rfaces.emplace_back(uidx, lnextidx, lidx) :
rfaces.emplace_back(lidx, lnextidx, uidx);
inverted
? ind.emplace_back(int(uidx), int(lnextidx), int(lidx))
: ind.emplace_back(int(lidx), int(lnextidx), int(uidx));
++lidx; ++lnextidx;
if(lnextidx == rpts.size()) lnextidx = offs;

4
src/libslic3r/SLA/SLABoilerPlate.hpp
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@ -36,12 +36,10 @@ inline coord_t x(const Vec3crd& p) { return p(0); }
inline coord_t y(const Vec3crd& p) { return p(1); }
inline coord_t z(const Vec3crd& p) { return p(2); }
using Indices = std::vector<Vec3crd>;
/// Intermediate struct for a 3D mesh
struct Contour3D {
Pointf3s points;
Indices indices;
std::vector<Vec3i> indices;
void merge(const Contour3D& ctr) {
auto s3 = coord_t(points.size());

4
src/libslic3r/SLA/SLASupportTree.cpp
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@ -236,13 +236,13 @@ Contour3D cylinder(double r, double h, size_t ssteps, const Vec3d sp = {0,0,0})
// According to the slicing algorithms, we need to aid them with generating
// a watertight body. So we create a triangle fan for the upper and lower
// ending of the cylinder to close the geometry.
points.emplace_back(jp); size_t ci = points.size() - 1;
points.emplace_back(jp); int ci = int(points.size() - 1);
for(int i = 0; i < steps - 1; ++i)
indices.emplace_back(i + offs + 1, i + offs, ci);
indices.emplace_back(offs, steps + offs - 1, ci);
points.emplace_back(endp); ci = points.size() - 1;
points.emplace_back(endp); ci = int(points.size() - 1);
for(int i = 0; i < steps - 1; ++i)
indices.emplace_back(ci, i, i + 1);

97
src/libslic3r/SLAPrint.cpp
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@ -28,10 +28,12 @@ namespace Slic3r {
using SupportTreePtr = std::unique_ptr<sla::SLASupportTree>;
class SLAPrintObject::SupportData {
class SLAPrintObject::SupportData
{
public:
sla::EigenMesh3D emesh; // index-triangle representation
std::vector<sla::SupportPoint> support_points; // all the support points (manual/auto)
std::vector<sla::SupportPoint>
support_points; // all the support points (manual/auto)
SupportTreePtr support_tree_ptr; // the supports
SlicedSupports support_slices; // sliced supports
@ -666,11 +668,11 @@ void SLAPrint::process()
double ilhd = m_material_config.initial_layer_height.getFloat();
auto ilh = float(ilhd);
auto ilhs = coord_t(ilhd / SCALING_FACTOR);
auto ilhs = scaled(ilhd);
const size_t objcount = m_objects.size();
const unsigned min_objstatus = 0; // where the per object operations start
const unsigned max_objstatus = 50; // where the per object operations end
static const unsigned min_objstatus = 0; // where the per object operations start
static const unsigned max_objstatus = 50; // where the per object operations end
// the coefficient that multiplies the per object status values which
// are set up for <0, 100>. They need to be scaled into the whole process
@ -687,31 +689,32 @@ void SLAPrint::process()
// Slicing the model object. This method is oversimplified and needs to
// be compared with the fff slicing algorithm for verification
auto slice_model = [this, ilhs, ilh, ilhd](SLAPrintObject& po) {
auto slice_model = [this, ilhs, ilh](SLAPrintObject& po) {
const TriangleMesh& mesh = po.transformed_mesh();
// We need to prepare the slice index...
double lhd = m_objects.front()->m_config.layer_height.getFloat();
float lh = float(lhd);
auto lhs = coord_t(lhd / SCALING_FACTOR);
auto lhs = scaled(lhd);
auto &&bb3d = mesh.bounding_box();
double minZ = bb3d.min(Z) - po.get_elevation();
double maxZ = bb3d.max(Z);
auto minZf = float(minZ);
auto minZs = coord_t(minZ / SCALING_FACTOR);
auto maxZs = coord_t(maxZ / SCALING_FACTOR);
auto minZs = scaled(minZ);
auto maxZs = scaled(maxZ);
po.m_slice_index.clear();
size_t cap = size_t(1 + (maxZs - minZs - ilhs) / lhs);
po.m_slice_index.reserve(cap);
po.m_slice_index.emplace_back(minZs + ilhs, minZ + ilhd / 2.0, ilh);
po.m_slice_index.emplace_back(minZs + ilhs, minZf + ilh / 2.f, ilh);
for(coord_t h = minZs + ilhs + lhs; h <= maxZs; h += lhs)
po.m_slice_index.emplace_back(h, h*SCALING_FACTOR - lhd / 2.0, lh);
po.m_slice_index.emplace_back(h, unscaled<float>(h) - lh / 2.f, lh);
// Just get the first record that is form the model:
auto slindex_it =
@ -737,7 +740,7 @@ void SLAPrint::process()
auto mit = slindex_it;
double doffs = m_printer_config.absolute_correction.getFloat();
coord_t clpr_offs = coord_t(doffs / SCALING_FACTOR);
coord_t clpr_offs = scaled(doffs);
for(size_t id = 0;
id < po.m_model_slices.size() && mit != po.m_slice_index.end();
id++)
@ -745,7 +748,7 @@ void SLAPrint::process()
// We apply the printer correction offset here.
if(clpr_offs != 0)
po.m_model_slices[id] =
offset_ex(po.m_model_slices[id], clpr_offs);
offset_ex(po.m_model_slices[id], float(clpr_offs));
mit->set_model_slice_idx(po, id); ++mit;
}
@ -949,7 +952,7 @@ void SLAPrint::process()
}
double doffs = m_printer_config.absolute_correction.getFloat();
coord_t clpr_offs = coord_t(doffs / SCALING_FACTOR);
coord_t clpr_offs = scaled(doffs);
for(size_t i = 0;
i < sd->support_slices.size() && i < po.m_slice_index.size();
++i)
@ -957,7 +960,7 @@ void SLAPrint::process()
// We apply the printer correction offset here.
if(clpr_offs != 0)
sd->support_slices[i] =
offset_ex(sd->support_slices[i], clpr_offs);
offset_ex(sd->support_slices[i], float(clpr_offs));
po.m_slice_index[i].set_support_slice_idx(po, i);
}
@ -1063,8 +1066,8 @@ void SLAPrint::process()
const int fade_layers_cnt = m_default_object_config.faded_layers.getInt();// 10 // [3;20]
const double width = m_printer_config.display_width.getFloat() / SCALING_FACTOR;
const double height = m_printer_config.display_height.getFloat() / SCALING_FACTOR;
const double width = scaled(m_printer_config.display_width.getFloat());
const double height = scaled(m_printer_config.display_height.getFloat());
const double display_area = width*height;
// get polygons for all instances in the object
@ -1170,13 +1173,20 @@ void SLAPrint::process()
ClipperPolygons model_polygons;
ClipperPolygons supports_polygons;
size_t c = std::accumulate(layer.slices().begin(), layer.slices().end(), 0u, [](size_t a, const SliceRecord& sr) {
return a + sr.get_slice(soModel).size();
size_t c = std::accumulate(layer.slices().begin(),
layer.slices().end(),
size_t(0),
[](size_t a, const SliceRecord &sr) {
return a + sr.get_slice(soModel)
.size();
});
model_polygons.reserve(c);
c = std::accumulate(layer.slices().begin(), layer.slices().end(), 0u, [](size_t a, const SliceRecord& sr) {
c = std::accumulate(layer.slices().begin(),
layer.slices().end(),
size_t(0),
[](size_t a, const SliceRecord &sr) {
return a + sr.get_slice(soModel).size();
});
@ -1264,8 +1274,9 @@ void SLAPrint::process()
// for(size_t i = 0; i < m_printer_input.size(); ++i) printlayerfn(i);
tbb::parallel_for<size_t, decltype(printlayerfn)>(0, m_printer_input.size(), printlayerfn);
m_print_statistics.support_used_material = supports_volume * SCALING_FACTOR * SCALING_FACTOR;
m_print_statistics.objects_used_material = models_volume * SCALING_FACTOR * SCALING_FACTOR;
auto SCALING2 = SCALING_FACTOR * SCALING_FACTOR;
m_print_statistics.support_used_material = supports_volume * SCALING2;
m_print_statistics.objects_used_material = models_volume * SCALING2;
// Estimated printing time
// A layers count o the highest object
@ -1281,7 +1292,7 @@ void SLAPrint::process()
};
// Rasterizing the model objects, and their supports
auto rasterize = [this, max_objstatus]() {
auto rasterize = [this]() {
if(canceled()) return;
// collect all the keys
@ -1376,11 +1387,12 @@ void SLAPrint::process()
tbb::parallel_for<unsigned, decltype(lvlfn)>(0, lvlcnt, lvlfn);
// Set statistics values to the printer
m_printer->set_statistics({(m_print_statistics.objects_used_material + m_print_statistics.support_used_material)/1000,
m_printer->set_statistics(
{(m_print_statistics.objects_used_material
+ m_print_statistics.support_used_material) / 1000,
double(m_default_object_config.faded_layers.getInt()),
double(m_print_statistics.slow_layers_count),
double(m_print_statistics.fast_layers_count)
});
double(m_print_statistics.fast_layers_count)});
};
using slaposFn = std::function<void(SLAPrintObject&)>;
@ -1408,25 +1420,36 @@ void SLAPrint::process()
// TODO: this loop could run in parallel but should not exhaust all the CPU
// power available
// Calculate the support structures first before slicing the supports, so that the preview will get displayed ASAP for all objects.
std::vector<SLAPrintObjectStep> step_ranges = { slaposObjectSlice, slaposSliceSupports, slaposCount };
// Calculate the support structures first before slicing the supports,
// so that the preview will get displayed ASAP for all objects.
std::vector<SLAPrintObjectStep> step_ranges = {slaposObjectSlice,
slaposSliceSupports,
slaposCount};
for (size_t idx_range = 0; idx_range + 1 < step_ranges.size(); ++idx_range) {
for (SLAPrintObject *po : m_objects) {
BOOST_LOG_TRIVIAL(info) << "Slicing object " << po->model_object()->name;
BOOST_LOG_TRIVIAL(info)
<< "Slicing object " << po->model_object()->name;
for (int s = int(step_ranges[idx_range]); s < int(step_ranges[idx_range + 1]); ++s) {
for (int s = int(step_ranges[idx_range]);
s < int(step_ranges[idx_range + 1]);
++s) {
auto currentstep = static_cast<SLAPrintObjectStep>(s);
// Cancellation checking. Each step will check for cancellation
// on its own and return earlier gracefully. Just after it returns
// execution gets to this point and throws the canceled signal.
// Cancellation checking. Each step will check for
// cancellation on its own and return earlier gracefully.
// Just after it returns execution gets to this point and
// throws the canceled signal.
throw_if_canceled();
st += incr * ostepd;
if(po->m_stepmask[currentstep] && po->set_started(currentstep)) {
m_report_status(*this, st, OBJ_STEP_LABELS(currentstep));
if (po->m_stepmask[currentstep]
&& po->set_started(currentstep)) {
m_report_status(*this,
st,
OBJ_STEP_LABELS(currentstep));
pobj_program[currentstep](*po);
throw_if_canceled();
po->set_done(currentstep);
@ -1786,8 +1809,8 @@ std::vector<sla::SupportPoint> SLAPrintObject::transformed_support_points() cons
ret.reserve(spts.size());
for(sla::SupportPoint& sp : spts) {
Vec3d transformed_pos = trafo() * Vec3d(sp.pos(0), sp.pos(1), sp.pos(2));
ret.emplace_back(transformed_pos(0), transformed_pos(1), transformed_pos(2), sp.head_front_radius, sp.is_new_island);
Vec3f transformed_pos = trafo().cast<float>() * sp.pos;
ret.emplace_back(transformed_pos, sp.head_front_radius, sp.is_new_island);
}
return ret;

14
src/libslic3r/SLAPrint.hpp
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@ -142,15 +142,19 @@ public:
};
private:
template <class T> inline static T level(const SliceRecord& sr) {
template<class T> inline static T level(const SliceRecord &sr)
{
static_assert(std::is_arithmetic<T>::value, "Arithmetic only!");
return std::is_integral<T>::value ? T(sr.print_level()) : T(sr.slice_level());
return std::is_integral<T>::value ? T(sr.print_level())
: T(sr.slice_level());
}
template <class T> inline static SliceRecord create_slice_record(T val) {
template<class T> inline static SliceRecord create_slice_record(T val)
{
static_assert(std::is_arithmetic<T>::value, "Arithmetic only!");
return std::is_integral<T>::value ? SliceRecord{ coord_t(val), 0.f, 0.f } : SliceRecord{ 0, float(val), 0.f };
return std::is_integral<T>::value
? SliceRecord{coord_t(val), 0.f, 0.f}
: SliceRecord{0, float(val), 0.f};
}
// This is a template method for searching the slice index either by

21
src/libslic3r/libslic3r.h
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@ -48,6 +48,27 @@ typedef double coordf_t;
//FIXME Better to use an inline function with an explicit return type.
//inline coord_t scale_(coordf_t v) { return coord_t(floor(v / SCALING_FACTOR + 0.5f)); }
#define scale_(val) ((val) / SCALING_FACTOR)
#if defined(_MSC_VER) && (_MSC_VER < 1910)
template<class Tf> inline coord_t scaled(Tf val)
#else
template<class Tf> inline constexpr coord_t scaled(Tf val)
#endif // _MSC_VER
{
static_assert (std::is_floating_point<Tf>::value, "Floating point only");
return coord_t(val / Tf(SCALING_FACTOR));
}
#if defined(_MSC_VER) && (_MSC_VER < 1910)
template<class Tf> inline Tf unscaled(coord_t val)
#else
template<class Tf> inline constexpr Tf unscaled(coord_t val)
#endif // _MSC_VER
{
static_assert (std::is_floating_point<Tf>::value, "Floating point only");
return Tf(val * Tf(SCALING_FACTOR));
}
#define SCALED_EPSILON scale_(EPSILON)
#define SLIC3R_DEBUG_OUT_PATH_PREFIX "out/"