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Collect the perimeter surfaces when generating perimeters.

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The perimeter surfaces are later used for performing infill
below overhangs and to maintan configured vertical wall thickness
at sloping surfaces.
This commit is contained in:
bubnikv 2016-09-26 13:44:23 +02:00
parent 8f04f5d5f6
commit e0d1aa8a1a
7 changed files with 226 additions and 22 deletions
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88
xs/src/libslic3r/Layer.cpp
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@ -2,7 +2,7 @@
#include "ClipperUtils.hpp"
#include "Geometry.hpp"
#include "Print.hpp"
#include "SVG.hpp"
namespace Slic3r {
@ -204,7 +204,11 @@ Layer::make_perimeters()
if (layerms.size() == 1) { // optimization
(*layerm)->fill_surfaces.surfaces.clear();
(*layerm)->make_perimeters((*layerm)->slices, &(*layerm)->fill_surfaces);
(*layerm)->perimeter_surfaces.surfaces.clear();
(*layerm)->make_perimeters((*layerm)->slices, &(*layerm)->perimeter_surfaces, &(*layerm)->fill_surfaces);
this->perimeter_expolygons.expolygons.clear();
for (Surfaces::const_iterator it = (*layerm)->perimeter_surfaces.surfaces.begin(); it != (*layerm)->perimeter_surfaces.surfaces.end(); ++ it)
this->perimeter_expolygons.expolygons.push_back(it->expolygon);
} else {
// group slices (surfaces) according to number of extra perimeters
std::map<unsigned short,Surfaces> slices; // extra_perimeters => [ surface, surface... ]
@ -226,12 +230,18 @@ Layer::make_perimeters()
}
// make perimeters
SurfaceCollection perimeter_surfaces;
SurfaceCollection fill_surfaces;
(*layerm)->make_perimeters(new_slices, &fill_surfaces);
(*layerm)->make_perimeters(new_slices, &perimeter_surfaces, &fill_surfaces);
// Copy the perimeter surfaces to the layer's surfaces before splitting them into the regions.
this->perimeter_expolygons.expolygons.clear();
for (Surfaces::const_iterator it = perimeter_surfaces.surfaces.begin(); it != perimeter_surfaces.surfaces.end(); ++ it)
this->perimeter_expolygons.expolygons.push_back(it->expolygon);
// assign fill_surfaces to each layer
if (!fill_surfaces.surfaces.empty()) {
if (!fill_surfaces.surfaces.empty()) {
for (LayerRegionPtrs::iterator l = layerms.begin(); l != layerms.end(); ++l) {
// Separate the fill surfaces.
ExPolygons expp = intersection_ex(
fill_surfaces,
(*l)->slices
@ -243,12 +253,80 @@ Layer::make_perimeters()
s.expolygon = *ex;
(*l)->fill_surfaces.surfaces.push_back(s);
}
// Separate the perimeter surfaces.
expp = intersection_ex(
perimeter_surfaces,
(*l)->slices
);
(*l)->perimeter_surfaces.surfaces.clear();
for (ExPolygons::iterator ex = expp.begin(); ex != expp.end(); ++ex) {
Surface s = fill_surfaces.surfaces.front(); // clone type and extra_perimeters
s.expolygon = *ex;
(*l)->perimeter_surfaces.surfaces.push_back(s);
}
}
}
}
}
}
void Layer::export_region_slices_to_svg(const char *path)
{
BoundingBox bbox;
for (LayerRegionPtrs::const_iterator region = this->regions.begin(); region != this->regions.end(); ++region)
for (Surfaces::const_iterator surface = (*region)->slices.surfaces.begin(); surface != (*region)->slices.surfaces.end(); ++surface)
bbox.merge(get_extents(surface->expolygon));
Point legend_size = export_surface_type_legend_to_svg_box_size();
Point legend_pos(bbox.min.x, bbox.max.y);
bbox.merge(Point(std::max(bbox.min.x + legend_size.x, bbox.max.x), bbox.max.y + legend_size.y));
SVG svg(path, bbox);
const float transparency = 0.5f;
for (LayerRegionPtrs::const_iterator region = this->regions.begin(); region != this->regions.end(); ++region)
for (Surfaces::const_iterator surface = (*region)->slices.surfaces.begin(); surface != (*region)->slices.surfaces.end(); ++surface)
svg.draw(surface->expolygon, surface_type_to_color_name(surface->surface_type), transparency);
export_surface_type_legend_to_svg(svg, legend_pos);
svg.Close();
}
// Export to "out/LayerRegion-name-%d.svg" with an increasing index with every export.
void Layer::export_region_slices_to_svg_debug(const char *name)
{
static size_t idx = 0;
char path[2048];
sprintf(path, "out\\Layer-slices-%s-%d.svg", name, idx ++);
this->export_region_slices_to_svg(path);
}
void Layer::export_region_fill_surfaces_to_svg(const char *path)
{
BoundingBox bbox;
for (LayerRegionPtrs::const_iterator region = this->regions.begin(); region != this->regions.end(); ++region)
for (Surfaces::const_iterator surface = (*region)->fill_surfaces.surfaces.begin(); surface != (*region)->fill_surfaces.surfaces.end(); ++surface)
bbox.merge(get_extents(surface->expolygon));
Point legend_size = export_surface_type_legend_to_svg_box_size();
Point legend_pos(bbox.min.x, bbox.max.y);
bbox.merge(Point(std::max(bbox.min.x + legend_size.x, bbox.max.x), bbox.max.y + legend_size.y));
SVG svg(path, bbox);
const float transparency = 0.5f;
for (LayerRegionPtrs::const_iterator region = this->regions.begin(); region != this->regions.end(); ++region)
for (Surfaces::const_iterator surface = (*region)->fill_surfaces.surfaces.begin(); surface != (*region)->fill_surfaces.surfaces.end(); ++surface)
svg.draw(surface->expolygon, surface_type_to_color_name(surface->surface_type), transparency);
export_surface_type_legend_to_svg(svg, legend_pos);
svg.Close();
}
// Export to "out/LayerRegion-name-%d.svg" with an increasing index with every export.
void Layer::export_region_fill_surfaces_to_svg_debug(const char *name)
{
static size_t idx = 0;
char path[2048];
sprintf(path, "out\\Layer-fill_surfaces-%s-%d.svg", name, idx ++);
this->export_region_fill_surfaces_to_svg(path);
}
SupportLayer::SupportLayer(size_t id, PrintObject *object, coordf_t height,
coordf_t print_z, coordf_t slice_z)