3D-printing/OrcaSlicer
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wip: reorganizing things to support accurate pad creation. Also more accurate progress indication.

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This commit is contained in:
tamasmeszaros 2018-11-15 18:05:47 +01:00
parent 9bb04ff15a
commit 810fcc2221
5 changed files with 90 additions and 73 deletions
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105
src/libslic3r/SLAPrint.cpp
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@ -1,5 +1,6 @@
#include "SLAPrint.hpp"
#include "SLA/SLASupportTree.hpp"
#include "SLA/SLABasePool.hpp"
#include <tbb/parallel_for.h>
//#include <tbb/spin_mutex.h>//#include "tbb/mutex.h"
@ -27,12 +28,12 @@ namespace {
const std::array<unsigned, slaposCount> OBJ_STEP_LEVELS =
{
0,
20,
30,
50,
70,
80,
100
90
};
const std::array<std::string, slaposCount> OBJ_STEP_LABELS =
@ -47,8 +48,9 @@ const std::array<std::string, slaposCount> OBJ_STEP_LABELS =
const std::array<unsigned, slapsCount> PRINT_STEP_LEVELS =
{
// This is after processing all the Print objects, so we start from 50%
50, // slapsRasterize
100, // slapsValidate
90, // slapsValidate
};
const std::array<std::string, slapsCount> PRINT_STEP_LABELS =
@ -118,8 +120,6 @@ void SLAPrint::process()
{
using namespace sla;
std::cout << "SLA Processing triggered" << std::endl;
// Assumption: at this point the print objects should be populated only with
// the model objects we have to process and the instances are also filtered
@ -131,9 +131,7 @@ void SLAPrint::process()
auto slice_model = [ilh](SLAPrintObject& po) {
auto lh = float(po.m_config.layer_height.getFloat());
ModelObject *o = po.m_model_object;
TriangleMesh&& mesh = o->raw_mesh();
TriangleMesh mesh = po.transformed_mesh();
TriangleMeshSlicer slicer(&mesh);
auto bb3d = mesh.bounding_box();
@ -150,11 +148,10 @@ void SLAPrint::process()
ModelObject& mo = *po.m_model_object;
if(!mo.sla_support_points.empty()) {
po.m_supportdata.reset(new SLAPrintObject::SupportData());
po.m_supportdata->emesh = sla::to_eigenmesh(mo);
po.m_supportdata->support_points = sla::support_points(mo);
po.m_supportdata->emesh = sla::to_eigenmesh(po.transformed_mesh());
std::cout << "support points copied "
<< po.m_supportdata->support_points.rows() << std::endl;
// TODO: transform support points appropriately
po.m_supportdata->support_points = sla::support_points(mo);
}
// for(SLAPrintObject *po : pobjects) {
@ -195,17 +192,19 @@ void SLAPrint::process()
// and before the supports had been sliced. (or the slicing has to be
// repeated)
// if(po.is_step_done(slaposSupportTree) &&
// po.m_supportdata &&
// po.m_supportdata->support_tree_ptr)
// {
// double wt = po.m_config.pad_wall_thickness.getFloat();
// double h = po.m_config.pad_wall_height.getFloat();
// double md = po.m_config.pad_max_merge_distance.getFloat();
// double er = po.m_config.pad_edge_radius.getFloat();
if(po.is_step_done(slaposSupportTree) &&
po.m_supportdata &&
po.m_supportdata->support_tree_ptr)
{
double wt = po.m_config.pad_wall_thickness.getFloat();
double h = po.m_config.pad_wall_height.getFloat();
double md = po.m_config.pad_max_merge_distance.getFloat();
double er = po.m_config.pad_edge_radius.getFloat();
// po.m_supportdata->support_tree_ptr->add_pad(wt, h, md, er);
// }
sla::ExPolygons bp;
sla::base_plate(po.transformed_mesh(), bp);
po.m_supportdata->support_tree_ptr->add_pad(bp, wt, h, md, er);
}
};
// Slicing the support geometries similarly to the model slicing procedure.
@ -216,13 +215,12 @@ void SLAPrint::process()
if(sd && sd->support_tree_ptr) {
auto lh = float(po.m_config.layer_height.getFloat());
sd->support_slices = sd->support_tree_ptr->slice(lh, ilh);
std::cout << "support slice count " << sd->support_slices.size() << std::endl;
}
};
// Rasterizing the model objects, and their supports
auto rasterize = [this, ilh]() {
using Layer = ExPolygons;
using Layer = sla::ExPolygons;
using LayerCopies = std::vector<SLAPrintObject::Instance>;
struct LayerRef {
std::reference_wrapper<const Layer> lref;
@ -240,7 +238,7 @@ void SLAPrint::process()
// into the layers hash
for(SLAPrintObject *o : m_objects) {
double lh = o->m_config.layer_height.getFloat();
std::vector<ExPolygons> & oslices = o->m_model_slices;
SlicedModel & oslices = o->m_model_slices;
for(int i = 0; i < oslices.size(); ++i) {
double h = ilh + i * lh;
long long lyridx = static_cast<long long>(scale_(h));
@ -248,11 +246,8 @@ void SLAPrint::process()
lyrs.emplace_back(oslices[i], o->m_instances);
}
std::cout << "model slice count at rasterization: " << oslices.size() << std::endl;
if(o->m_supportdata) { // deal with the support slices if present
auto& sslices = o->m_supportdata->support_slices;
std::cout << "support slice count at rasterization: " << o->m_supportdata->support_slices.size() << std::endl;
for(int i = 0; i < sslices.size(); ++i) {
double h = ilh + i * lh;
@ -263,12 +258,12 @@ void SLAPrint::process()
}
}
if(canceled()) return;
// collect all the keys
std::vector<long long> keys; keys.reserve(levels.size());
for(auto& e : levels) keys.emplace_back(e.first);
std::cout << "levels count at rasterization " << levels.size() << std::endl;
{ // create a raster printer for the current print parameters
// I don't know any better
auto& ocfg = m_objects.front()->m_config;
@ -291,14 +286,21 @@ void SLAPrint::process()
auto lvlcnt = unsigned(levels.size());
printer.layers(lvlcnt);
// TODO exclusive progress indication for this step would be good
// as it is the longest of all. It would require synchronization
// in the parallel processing.
// procedure to process one height level. This will run in parallel
auto lvlfn = [&keys, &levels, &printer](unsigned level_id) {
auto lvlfn = [this, &keys, &levels, &printer](unsigned level_id) {
if(canceled()) return;
LayerRefs& lrange = levels[keys[level_id]];
// Switch to the appropriate layer in the printer
printer.begin_layer(level_id);
for(auto& lyrref : lrange) { // for all layers in the current level
if(canceled()) break;
const Layer& sl = lyrref.lref; // get the layer reference
const LayerCopies& copies = lyrref.copies;
@ -316,6 +318,9 @@ void SLAPrint::process()
printer.finish_layer(level_id);
};
// last minute escape
if(canceled()) return;
// Sequential version (for testing)
// for(unsigned l = 0; l < lvlcnt; ++l) process_level(l);
@ -351,6 +356,11 @@ void SLAPrint::process()
[](){} // validate
};
const unsigned min_objstatus = 0;
const unsigned max_objstatus = PRINT_STEP_LEVELS[slapsRasterize];
const size_t objcount = m_objects.size();
const double ostepd = (max_objstatus - min_objstatus) / (objcount * 100.0);
for(SLAPrintObject * po : m_objects) {
for(size_t s = 0; s < pobj_program.size(); ++s) {
auto currentstep = objectsteps[s];
@ -361,8 +371,9 @@ void SLAPrint::process()
throw_if_canceled();
if(po->m_stepmask[s] && !po->is_step_done(currentstep)) {
set_status(OBJ_STEP_LEVELS[currentstep],
OBJ_STEP_LABELS[currentstep]);
unsigned st = OBJ_STEP_LEVELS[currentstep];
st = unsigned(min_objstatus + st * ostepd);
set_status(st, OBJ_STEP_LABELS[currentstep]);
po->set_started(currentstep);
pobj_program[s](*po);
@ -375,7 +386,7 @@ void SLAPrint::process()
slapsRasterize, slapsValidate
};
// TODO: enable rasterizing
// this would disable the rasterization step
// m_stepmask[slapsRasterize] = false;
for(size_t s = 0; s < print_program.size(); ++s) {
@ -402,7 +413,6 @@ SLAPrintObject::SLAPrintObject(SLAPrint *print, ModelObject *model_object):
m_model_object(model_object),
m_stepmask(slaposCount, true)
{
}
SLAPrintObject::~SLAPrintObject() {}
@ -414,22 +424,33 @@ TriangleMesh SLAPrintObject::support_mesh() const
if(m_supportdata && m_supportdata->support_tree_ptr)
m_supportdata->support_tree_ptr->merged_mesh(trm);
// TODO: is this necessary?
trm.repair();
std::cout << "support mesh united and returned" << std::endl;
return trm;
// return make_cube(10., 10., 10.);
}
TriangleMesh SLAPrintObject::pad_mesh() const
{
if(!m_supportdata || !m_supportdata->support_tree_ptr) {
std::cout << "Empty pad mesh returned.." << std::endl;
return TriangleMesh();
}
if(!m_supportdata || !m_supportdata->support_tree_ptr) return {};
// FIXME: pad mesh is empty here for some reason.
return m_supportdata->support_tree_ptr->get_pad();
}
const TriangleMesh &SLAPrintObject::transformed_mesh() const {
// we need to transform the raw mesh...
// currently all the instances share the same x and y rotation and scaling
// so we have to extract those from e.g. the first instance and apply to the
// raw mesh. This is also true for the support points.
// BUT: when the support structure is spawned for each instance than it has
// to omit the X, Y rotation and scaling as those have been already applied
// or apply an inverse transformation on the support structure after it
// has been created.
if(m_trmesh_valid) return m_transformed_rmesh;
m_transformed_rmesh = m_model_object->raw_mesh();
m_transformed_rmesh.transform(m_trafo);
m_trmesh_valid = true;
}
} // namespace Slic3r