/* group surfaces by common properties */ void SurfaceCollection::group(std::vector<SurfacesPtr> &retval, bool merge_solid) { typedef std::map<t_surface_group_key,SurfacesPtr> t_unique_map; t_unique_map unique_map; for (Surfaces::iterator it = this->surfaces.begin(); it != this->surfaces.end(); ++it) { // build the t_surface_group_key struct with this surface's properties t_surface_group_key key; if (merge_solid && it->is_solid()) { key.surface_type = stTop; } else { key.surface_type = it->surface_type; } key.thickness = it->thickness; key.thickness_layers = it->thickness_layers; key.bridge_angle = it->bridge_angle; // check whether we already have a group for these properties if (unique_map.find(key) == unique_map.end()) { // no group exists, add it unique_map[key] = SurfacesPtr(); } unique_map[key].push_back(&*it); } retval.reserve(unique_map.size()); for (t_unique_map::const_iterator it = unique_map.begin(); it != unique_map.end(); ++it) retval.push_back(it->second); }
/* group surfaces by common properties */ void SurfaceCollection::group(std::vector<SurfacesPtr> *retval, bool merge_solid) { for (Surfaces::iterator it = this->surfaces.begin(); it != this->surfaces.end(); ++it) { // find a group with the same properties SurfacesPtr* group = NULL; for (std::vector<SurfacesPtr>::iterator git = retval->begin(); git != retval->end(); ++git) { Surface* gkey = git->front(); if ((gkey->surface_type == it->surface_type || (merge_solid && gkey->is_solid() && it->is_solid())) && gkey->thickness == it->thickness && gkey->thickness_layers == it->thickness_layers && gkey->bridge_angle == it->bridge_angle) { group = &*git; break; } } // if no group with these properties exists, add one if (group == NULL) { retval->resize(retval->size() + 1); group = &retval->back(); } // append surface to group group->push_back(&*it); } }
void LayerRegion::prepare_fill_surfaces() { /* Note: in order to make the psPrepareInfill step idempotent, we should never alter fill_surfaces boundaries on which our idempotency relies since that's the only meaningful information returned by psPerimeters. */ // if no solid layers are requested, turn top/bottom surfaces to internal if (this->region()->config.top_solid_layers == 0) { for (Surfaces::iterator surface = this->fill_surfaces.surfaces.begin(); surface != this->fill_surfaces.surfaces.end(); ++surface) { if (surface->surface_type == stTop) { if (this->layer()->object()->config.infill_only_where_needed) { surface->surface_type = stInternalVoid; } else { surface->surface_type = stInternal; } } } } if (this->region()->config.bottom_solid_layers == 0) { for (Surfaces::iterator surface = this->fill_surfaces.surfaces.begin(); surface != this->fill_surfaces.surfaces.end(); ++surface) { if (surface->surface_type == stBottom || surface->surface_type == stBottomBridge) surface->surface_type = stInternal; } } // turn too small internal regions into solid regions according to the user setting if (this->region()->config.fill_density.value > 0) { // scaling an area requires two calls! double min_area = scale_(scale_(this->region()->config.solid_infill_below_area.value)); for (Surfaces::iterator surface = this->fill_surfaces.surfaces.begin(); surface != this->fill_surfaces.surfaces.end(); ++surface) { if (surface->surface_type == stInternal && surface->area() <= min_area) surface->surface_type = stInternalSolid; } } }