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Merge remote-tracking branch 'remotes/origin/master' into vb_print_regions

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Vojtech Bubnik 2021-05-19 09:40:24 +02:00
commit 682c405fc2
79 changed files with 4454 additions and 4526 deletions
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122
src/libslic3r/Model.cpp
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@ -3,6 +3,7 @@
#include "ModelArrange.hpp"
#include "Geometry.hpp"
#include "MTUtils.hpp"
#include "TriangleMeshSlicer.hpp"
#include "TriangleSelector.hpp"
#include "Format/AMF.hpp"
@ -893,6 +894,30 @@ Polygon ModelObject::convex_hull_2d(const Transform3d &trafo_instance) const
Points pts;
for (const ModelVolume *v : this->volumes)
if (v->is_model_part()) {
#if ENABLE_ALLOW_NEGATIVE_Z
const Transform3d trafo = trafo_instance * v->get_matrix();
const TriangleMesh& hull_3d = v->get_convex_hull();
const indexed_triangle_set& its = hull_3d.its;
if (its.vertices.empty()) {
// Using the STL faces.
const stl_file& stl = hull_3d.stl;
for (const stl_facet& facet : stl.facet_start) {
for (size_t j = 0; j < 3; ++j) {
const Vec3d p = trafo * facet.vertex[j].cast<double>();
if (p.z() >= 0.0)
pts.emplace_back(coord_t(scale_(p.x())), coord_t(scale_(p.y())));
}
}
}
else {
// Using the shared vertices should be a bit quicker than using the STL faces.
for (size_t i = 0; i < its.vertices.size(); ++i) {
const Vec3d p = trafo * its.vertices[i].cast<double>();
if (p.z() >= 0.0)
pts.emplace_back(coord_t(scale_(p.x())), coord_t(scale_(p.y())));
}
}
#else
Transform3d trafo = trafo_instance * v->get_matrix();
const indexed_triangle_set &its = v->mesh().its;
if (its.vertices.empty()) {
@ -901,15 +926,16 @@ Polygon ModelObject::convex_hull_2d(const Transform3d &trafo_instance) const
for (const stl_facet &facet : stl.facet_start)
for (size_t j = 0; j < 3; ++ j) {
Vec3d p = trafo * facet.vertex[j].cast<double>();
pts.emplace_back(coord_t(scale_(p.x())), coord_t(scale_(p.y())));
pts.emplace_back(coord_t(scale_(p.x())), coord_t(scale_(p.y())));
}
} else {
// Using the shared vertices should be a bit quicker than using the STL faces.
for (size_t i = 0; i < its.vertices.size(); ++ i) {
Vec3d p = trafo * its.vertices[i].cast<double>();
pts.emplace_back(coord_t(scale_(p.x())), coord_t(scale_(p.y())));
pts.emplace_back(coord_t(scale_(p.x())), coord_t(scale_(p.y())));
}
}
#endif // ENABLE_ALLOW_NEGATIVE_Z
}
std::sort(pts.begin(), pts.end(), [](const Point& a, const Point& b) { return a(0) < b(0) || (a(0) == b(0) && a(1) < b(1)); });
pts.erase(std::unique(pts.begin(), pts.end(), [](const Point& a, const Point& b) { return a(0) == b(0) && a(1) == b(1); }), pts.end());
@ -942,30 +968,39 @@ void ModelObject::center_around_origin(bool include_modifiers)
{
// calculate the displacements needed to
// center this object around the origin
BoundingBoxf3 bb = include_modifiers ? full_raw_mesh_bounding_box() : raw_mesh_bounding_box();
const BoundingBoxf3 bb = include_modifiers ? full_raw_mesh_bounding_box() : raw_mesh_bounding_box();
// Shift is the vector from the center of the bounding box to the origin
Vec3d shift = -bb.center();
const Vec3d shift = -bb.center();
this->translate(shift);
this->origin_translation += shift;
}
#if ENABLE_ALLOW_NEGATIVE_Z
void ModelObject::ensure_on_bed(bool allow_negative_z)
{
const double min_z = get_min_z();
if (!allow_negative_z || min_z > 0.0)
translate_instances({ 0.0, 0.0, -min_z });
}
#else
void ModelObject::ensure_on_bed()
{
translate_instances(Vec3d(0.0, 0.0, -get_min_z()));
translate_instances({ 0.0, 0.0, -get_min_z() });
}
#endif // ENABLE_ALLOW_NEGATIVE_Z
void ModelObject::translate_instances(const Vec3d& vector)
{
for (size_t i = 0; i < instances.size(); ++i)
{
for (size_t i = 0; i < instances.size(); ++i) {
translate_instance(i, vector);
}
}
void ModelObject::translate_instance(size_t instance_idx, const Vec3d& vector)
{
assert(instance_idx < instances.size());
ModelInstance* i = instances[instance_idx];
i->set_offset(i->get_offset() + vector);
invalidate_bounding_box();
@ -973,8 +1008,7 @@ void ModelObject::translate_instance(size_t instance_idx, const Vec3d& vector)
void ModelObject::translate(double x, double y, double z)
{
for (ModelVolume *v : this->volumes)
{
for (ModelVolume *v : this->volumes) {
v->translate(x, y, z);
}
@ -984,8 +1018,7 @@ void ModelObject::translate(double x, double y, double z)
void ModelObject::scale(const Vec3d &versor)
{
for (ModelVolume *v : this->volumes)
{
for (ModelVolume *v : this->volumes) {
v->scale(versor);
}
this->invalidate_bounding_box();
@ -993,41 +1026,34 @@ void ModelObject::scale(const Vec3d &versor)
void ModelObject::rotate(double angle, Axis axis)
{
for (ModelVolume *v : this->volumes)
{
for (ModelVolume *v : this->volumes) {
v->rotate(angle, axis);
}
center_around_origin();
this->invalidate_bounding_box();
}
void ModelObject::rotate(double angle, const Vec3d& axis)
{
for (ModelVolume *v : this->volumes)
{
for (ModelVolume *v : this->volumes) {
v->rotate(angle, axis);
}
center_around_origin();
this->invalidate_bounding_box();
}
void ModelObject::mirror(Axis axis)
{
for (ModelVolume *v : this->volumes)
{
for (ModelVolume *v : this->volumes) {
v->mirror(axis);
}
this->invalidate_bounding_box();
}
// This method could only be called before the meshes of this ModelVolumes are not shared!
void ModelObject::scale_mesh_after_creation(const Vec3d &versor)
{
for (ModelVolume *v : this->volumes)
{
for (ModelVolume *v : this->volumes) {
v->scale_geometry_after_creation(versor);
v->set_offset(versor.cwiseProduct(v->get_offset()));
}
@ -1187,32 +1213,32 @@ ModelObjectPtrs ModelObject::cut(size_t instance, coordf_t z, bool keep_upper, b
}
else if (! volume->mesh().empty()) {
TriangleMesh upper_mesh, lower_mesh;
// Transform the mesh by the combined transformation matrix.
// Flip the triangles in case the composite transformation is left handed.
TriangleMesh mesh(volume->mesh());
mesh.transform(instance_matrix * volume_matrix, true);
volume->reset_mesh();
mesh.require_shared_vertices();
// Perform cut
TriangleMeshSlicer tms(&mesh);
tms.cut(float(z), &upper_mesh, &lower_mesh);
// Reset volume transformation except for offset
const Vec3d offset = volume->get_offset();
volume->set_transformation(Geometry::Transformation());
volume->set_offset(offset);
if (keep_upper) {
upper_mesh.repair();
upper_mesh.reset_repair_stats();
}
if (keep_lower) {
lower_mesh.repair();
lower_mesh.reset_repair_stats();
// Perform cut
TriangleMesh upper_mesh, lower_mesh;
{
indexed_triangle_set upper_its, lower_its;
mesh.require_shared_vertices();
cut_mesh(mesh.its, float(z), &upper_its, &lower_its);
if (keep_upper) {
upper_mesh = TriangleMesh(upper_its);
upper_mesh.repair();
upper_mesh.reset_repair_stats();
}
if (keep_lower) {
lower_mesh = TriangleMesh(lower_its);
lower_mesh.repair();
lower_mesh.reset_repair_stats();
}
}
if (keep_upper && upper_mesh.facets_count() > 0) {
@ -1418,11 +1444,9 @@ double ModelObject::get_min_z() const
{
if (instances.empty())
return 0.0;
else
{
else {
double min_z = DBL_MAX;
for (size_t i = 0; i < instances.size(); ++i)
{
for (size_t i = 0; i < instances.size(); ++i) {
min_z = std::min(min_z, get_instance_min_z(i));
}
return min_z;
@ -1433,15 +1457,14 @@ double ModelObject::get_instance_min_z(size_t instance_idx) const
{
double min_z = DBL_MAX;
ModelInstance* inst = instances[instance_idx];
const ModelInstance* inst = instances[instance_idx];
const Transform3d& mi = inst->get_matrix(true);
for (const ModelVolume* v : volumes)
{
for (const ModelVolume* v : volumes) {
if (!v->is_model_part())
continue;
Transform3d mv = mi * v->get_matrix();
const Transform3d mv = mi * v->get_matrix();
const TriangleMesh& hull = v->get_convex_hull();
for (const stl_facet &facet : hull.stl.facet_start)
for (int i = 0; i < 3; ++ i)
@ -1906,12 +1929,19 @@ arrangement::ArrangePolygon ModelInstance::get_arrange_polygon() const
Vec3d rotation = get_rotation();
rotation.z() = 0.;
Transform3d trafo_instance =
#if ENABLE_ALLOW_NEGATIVE_Z
Geometry::assemble_transform(get_offset().z() * Vec3d::UnitZ(), rotation,
get_scaling_factor(), get_mirror());
#else
Geometry::assemble_transform(Vec3d::Zero(), rotation,
get_scaling_factor(), get_mirror());
#endif // ENABLE_ALLOW_NEGATIVE_Z
Polygon p = get_object()->convex_hull_2d(trafo_instance);
#if !ENABLE_ALLOW_NEGATIVE_Z
assert(!p.points.empty());
#endif // !ENABLE_ALLOW_NEGATIVE_Z
// if (!p.points.empty()) {
// Polygons pp{p};