3D-printing/OrcaSlicer
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Some beautification and C++11 adaptation.

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This commit is contained in:
bubnikv 2017-03-28 13:25:10 +02:00
parent 640698d28b
commit 9f7a5c7a6f
5 changed files with 69 additions and 116 deletions
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87
xs/src/libslic3r/PrintObject.cpp
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@ -365,17 +365,22 @@ void PrintObject::detect_surfaces_type()
{
BOOST_LOG_TRIVIAL(info) << "Detecting solid surfaces...";
// Interface shells: the intersecting parts are treated as self standing objects supporting each other.
// Each of the objects will have a full number of top / bottom layers, even if these top / bottom layers
// are completely hidden inside a collective body of intersecting parts.
// This is useful if one of the parts is to be dissolved, or if it is transparent and the internal shells
// should be visible.
bool interface_shells = this->config.interface_shells.value;
for (int idx_region = 0; idx_region < this->_print->regions.size(); ++ idx_region) {
BOOST_LOG_TRIVIAL(debug) << "Detecting solid surfaces for region " << idx_region << " in parallel - start";
#ifdef SLIC3R_DEBUG_SLICE_PROCESSING
for (int idx_layer = 0; idx_layer < int(this->layer_count()); ++ idx_layer) {
LayerRegion *layerm = this->layers[idx_layer]->get_region(idx_region);
layerm->export_region_fill_surfaces_to_svg_debug("1_detect_surfaces_type-initial");
}
for (Layer *layer : this->layers)
layer->regions[idx_region]->export_region_fill_surfaces_to_svg_debug("1_detect_surfaces_type-initial");
#endif /* SLIC3R_DEBUG_SLICE_PROCESSING */
// If interface shells are allowed, the region->surfaces cannot be overwritten as they may be used by other threads.
// Cache the result of the following parallel_loop.
std::vector<Surfaces> surfaces_new;
if (interface_shells)
surfaces_new.assign(this->layers.size(), Surfaces());
@ -383,14 +388,23 @@ void PrintObject::detect_surfaces_type()
tbb::parallel_for(
tbb::blocked_range<size_t>(0, this->layers.size()),
[this, idx_region, interface_shells, &surfaces_new](const tbb::blocked_range<size_t>& range) {
// If we have raft layers, consider bottom layer as a bridge just like any other bottom surface lying on the void.
SurfaceType surface_type_bottom_1st =
(this->config.raft_layers.value > 0 && this->config.support_material_contact_distance.value > 0) ?
stBottomBridge : stBottom;
// If we have soluble support material, don't bridge. The overhang will be squished against a soluble layer separating
// the support from the print.
SurfaceType surface_type_bottom_other =
(this->config.support_material.value && this->config.support_material_contact_distance.value == 0) ?
stBottom : stBottomBridge;
for (size_t idx_layer = range.begin(); idx_layer < range.end(); ++ idx_layer) {
// BOOST_LOG_TRIVIAL(trace) << "Detecting solid surfaces for region " << idx_region << " and layer " << layer->print_z;
Layer *layer = this->layers[idx_layer];
LayerRegion *layerm = layer->get_region(idx_region);
// comparison happens against the *full* slices (considering all regions)
// unless internal shells are requested
Layer *upper_layer = idx_layer + 1 < this->layer_count() ? this->get_layer(idx_layer + 1) : NULL;
Layer *lower_layer = idx_layer > 0 ? this->get_layer(idx_layer - 1) : NULL;
Layer *upper_layer = idx_layer + 1 < this->layer_count() ? this->get_layer(idx_layer + 1) : nullptr;
Layer *lower_layer = idx_layer > 0 ? this->get_layer(idx_layer - 1) : nullptr;
// collapse very narrow parts (using the safety offset in the diff is not enough)
float offset = layerm->flow(frExternalPerimeter).scaled_width() / 10.f;
@ -400,8 +414,6 @@ void PrintObject::detect_surfaces_type()
// of current layer and upper one)
Surfaces top;
if (upper_layer) {
// Config value $self->config->interface_shells is true, if a support is separated from the object
// by a soluble material (for example a PVA plastic).
Polygons upper_slices = interface_shells ?
to_polygons(upper_layer->get_region(idx_region)->slices.surfaces) :
to_polygons(upper_layer->slices);
@ -412,54 +424,25 @@ void PrintObject::detect_surfaces_type()
// if no upper layer, all surfaces of this one are solid
// we clone surfaces because we're going to clear the slices collection
top = layerm->slices.surfaces;
for (Surfaces::iterator it = top.begin(); it != top.end(); ++ it)
it->surface_type = stTop;
for (Surface &surface : top)
surface.surface_type = stTop;
}
// find bottom surfaces (difference between current surfaces
// of current layer and lower one)
// Find bottom surfaces (difference between current surfaces of current layer and lower one).
Surfaces bottom;
if (lower_layer) {
// If we have soluble support material, don't bridge. The overhang will be squished against a soluble layer separating
// the support from the print.
SurfaceType surface_type_bottom =
(this->config.support_material.value && this->config.support_material_contact_distance.value == 0) ?
stBottom : stBottomBridge;
// Any surface lying on the void is a true bottom bridge (an overhang)
surfaces_append(
bottom,
offset2_ex(
diff(layerm_slices_surfaces, to_polygons(lower_layer->slices), true),
-offset, offset),
surface_type_bottom);
// if user requested internal shells, we need to identify surfaces
// lying on other slices not belonging to this region
//FIXME Vojtech: config.internal_shells or config.interface_shells? Is it some legacy code?
// Why shall multiple regions over soluble support be treated specially?
if (interface_shells) {
// non-bridging bottom surfaces: any part of this layer lying
// on something else, excluding those lying on our own region
surfaces_append(
bottom,
offset2_ex(
diff(
intersection(layerm_slices_surfaces, to_polygons(lower_layer->slices)), // supported
to_polygons(lower_layer->get_region(idx_region)->slices.surfaces),
true),
-offset, offset),
stBottom);
}
Polygons lower_slices = interface_shells ?
to_polygons(lower_layer->get_region(idx_region)->slices.surfaces) :
to_polygons(lower_layer->slices);
surfaces_append(bottom,
offset2_ex(diff(layerm_slices_surfaces, lower_slices, true), -offset, offset),
surface_type_bottom_other);
} else {
// if no lower layer, all surfaces of this one are solid
// we clone surfaces because we're going to clear the slices collection
bottom = layerm->slices.surfaces;
// if we have raft layers, consider bottom layer as a bridge
// just like any other bottom surface lying on the void
SurfaceType surface_type_bottom =
(this->config.raft_layers.value > 0 && this->config.support_material_contact_distance.value > 0) ?
stBottomBridge : stBottom;
for (Surfaces::iterator it = bottom.begin(); it != bottom.end(); ++ it)
it->surface_type = surface_type_bottom;
for (Surface &surface : bottom)
surface.surface_type = surface_type_bottom_1st;
}
// now, if the object contained a thin membrane, we could have overlapping bottom
@ -472,11 +455,7 @@ void PrintObject::detect_surfaces_type()
Polygons top_polygons = to_polygons(std::move(top));
top.clear();
surfaces_append(top,
#if 0
offset2_ex(diff(top_polygons, to_polygons(bottom), true), -offset, offset),
#else
diff_ex(top_polygons, to_polygons(bottom), false),
#endif
stTop);
}
@ -500,11 +479,7 @@ void PrintObject::detect_surfaces_type()
Polygons topbottom = to_polygons(top);
polygons_append(topbottom, to_polygons(bottom));
surfaces_append(surfaces_out,
#if 0
offset2_ex(diff(layerm_slices_surfaces, topbottom, true), -offset, offset),
#else
diff_ex(layerm_slices_surfaces, topbottom, false),
#endif
stInternal);
}