diff options
author | bubnikv <bubnikv@gmail.com> | 2017-06-08 15:02:37 +0300 |
---|---|---|
committer | bubnikv <bubnikv@gmail.com> | 2017-06-08 15:02:37 +0300 |
commit | f9f094029787b338ea508b9b27be5b1d33a79806 (patch) | |
tree | 3b819bb0f2fa925d6a4cb517b5386b79c3a57ee1 /xs/src/libslic3r/SupportMaterial.cpp | |
parent | 27003dc0fdfdc8680082c8945467ef29b53505a5 (diff) |
Implemented rotation of the support structure.
Diffstat (limited to 'xs/src/libslic3r/SupportMaterial.cpp')
-rw-r--r-- | xs/src/libslic3r/SupportMaterial.cpp | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/xs/src/libslic3r/SupportMaterial.cpp b/xs/src/libslic3r/SupportMaterial.cpp index 9c2684295..529a2df52 100644 --- a/xs/src/libslic3r/SupportMaterial.cpp +++ b/xs/src/libslic3r/SupportMaterial.cpp @@ -466,19 +466,33 @@ Polygons collect_slices_outer(const Layer &layer) class SupportGridPattern { public: - SupportGridPattern(const Polygons &support_polygons, const Polygons &trimming_polygons, coordf_t support_spacing) : - m_support_polygons(support_polygons), m_trimming_polygons(trimming_polygons), m_support_spacing(support_spacing) + SupportGridPattern( + const Polygons &support_polygons, + const Polygons &trimming_polygons, + coordf_t support_spacing, + coordf_t support_angle) : + m_support_polygons(&support_polygons), m_trimming_polygons(&trimming_polygons), + m_support_spacing(support_spacing), m_support_angle(support_angle) { + if (m_support_angle != 0.) { + // Create a copy of the rotated contours. + m_support_polygons_rotated = support_polygons; + m_trimming_polygons_rotated = trimming_polygons; + m_support_polygons = &m_support_polygons_rotated; + m_trimming_polygons = &m_trimming_polygons_rotated; + polygons_rotate(m_support_polygons_rotated, - support_angle); + polygons_rotate(m_trimming_polygons_rotated, - support_angle); + } // Create an EdgeGrid, initialize it with projection, initialize signed distance field. coord_t grid_resolution = coord_t(scale_(m_support_spacing)); - BoundingBox bbox = get_extents(m_support_polygons); + BoundingBox bbox = get_extents(*m_support_polygons); bbox.offset(20); bbox.align_to_grid(grid_resolution); m_grid.set_bbox(bbox); - m_grid.create(m_support_polygons, grid_resolution); + m_grid.create(*m_support_polygons, grid_resolution); m_grid.calculate_sdf(); // Extract a bounding contour from the grid, trim by the object. - m_island_samples = island_samples(m_support_polygons); + m_island_samples = island_samples(*m_support_polygons); } // Extract polygons from the grid, offsetted by offset_in_grid, @@ -490,7 +504,7 @@ public: // Generate islands, so each island may be tested for overlap with m_island_samples. ExPolygons islands = diff_ex( m_grid.contours_simplified(offset_in_grid), - m_trimming_polygons, false); + *m_trimming_polygons, false); // Extract polygons, which contain some of the m_island_samples. Polygons out; @@ -536,7 +550,7 @@ public: #ifdef SLIC3R_DEBUG static int iRun = 0; ++iRun; - BoundingBox bbox = get_extents(m_trimming_polygons); + BoundingBox bbox = get_extents(*m_trimming_polygons); if (! islands.empty()) bbox.merge(get_extents(islands)); if (!out.empty()) @@ -544,15 +558,17 @@ public: SVG svg(debug_out_path("extract_support_from_grid_trimmed-%d.svg", iRun).c_str(), bbox); svg.draw(islands, "red", 0.5f); svg.draw(union_ex(out), "green", 0.5f); - svg.draw(union_ex(m_support_polygons), "blue", 0.5f); + svg.draw(union_ex(*m_support_polygons), "blue", 0.5f); svg.draw_outline(islands, "red", "red", scale_(0.05)); svg.draw_outline(union_ex(out), "green", "green", scale_(0.05)); - svg.draw_outline(union_ex(m_support_polygons), "blue", "blue", scale_(0.05)); + svg.draw_outline(union_ex(*m_support_polygons), "blue", "blue", scale_(0.05)); for (const Point &pt : m_island_samples) svg.draw(pt, "black", coord_t(scale_(0.15))); svg.Close(); #endif /* SLIC3R_DEBUG */ + if (m_support_angle != 0.) + polygons_rotate(out, m_support_angle); return out; } @@ -609,8 +625,13 @@ private: return island_samples(union_ex(polygons)); } - const Polygons &m_support_polygons; - const Polygons &m_trimming_polygons; + const Polygons *m_support_polygons; + const Polygons *m_trimming_polygons; + Polygons m_support_polygons_rotated; + Polygons m_trimming_polygons_rotated; + // Angle in radians, by which the whole support is rotated. + coordf_t m_support_angle; + // X spacing of the support lines parallel with the Y axis. coordf_t m_support_spacing; Slic3r::EdgeGrid::Grid m_grid; @@ -916,7 +937,8 @@ PrintObjectSupportMaterial::MyLayersPtr PrintObjectSupportMaterial::top_contact_ // Trimming polygons, to trim the stretched support islands. slices_margin_cached, // How much to offset the extracted contour outside of the grid. - m_object_config->support_material_spacing.value + m_support_material_flow.spacing()); + m_object_config->support_material_spacing.value + m_support_material_flow.spacing(), + Geometry::deg2rad(double(m_object_config->support_material_angle))); // 1) infill polygons, expand them by half the extrusion width + a tiny bit of extra. new_layer.polygons = support_grid_pattern.extract_support(m_support_material_flow.scaled_spacing()/2 + 5); // 2) Contact polygons will be projected down. To keep the interface and base layers to grow, return a contour a tiny bit smaller than the grid cells. @@ -1122,7 +1144,8 @@ PrintObjectSupportMaterial::MyLayersPtr PrintObjectSupportMaterial::bottom_conta // Trimming polygons, to trim the stretched support islands. trimming, // How much to offset the extracted contour outside of the grid. - m_object_config->support_material_spacing.value + m_support_material_flow.spacing()); + m_object_config->support_material_spacing.value + m_support_material_flow.spacing(), + Geometry::deg2rad(double(m_object_config->support_material_angle))); tbb::task_group task_group_inner; // 1) Cache the slice of a support volume. The support volume is expanded by 1/2 of support material flow spacing // to allow a placement of suppot zig-zag snake along the grid lines. @@ -2430,8 +2453,8 @@ void PrintObjectSupportMaterial::generate_toolpaths( LoopInterfaceProcessor loop_interface_processor(1.5 * m_support_material_interface_flow.scaled_width()); loop_interface_processor.n_contact_loops = this->has_contact_loops() ? 1 : 0; - float base_angle = float(Geometry::deg2rad(m_object_config->support_material_angle)); - float interface_angle = float(Geometry::deg2rad(m_object_config->support_material_angle + 90.)); + float base_angle = Geometry::deg2rad(float(m_object_config->support_material_angle)); + float interface_angle = Geometry::deg2rad(float(m_object_config->support_material_angle + 90)); coordf_t interface_spacing = m_object_config->support_material_interface_spacing.value + m_support_material_interface_flow.spacing(); coordf_t interface_density = std::min(1., m_support_material_interface_flow.spacing() / interface_spacing); coordf_t support_spacing = m_object_config->support_material_spacing.value + m_support_material_flow.spacing(); @@ -2723,7 +2746,7 @@ void PrintObjectSupportMaterial::generate_toolpaths( if (base_layer.layer->bottom_z < EPSILON) { // Base flange (the 1st layer). filler = filler_interface.get(); - filler->angle = Geometry::deg2rad(float(m_object_config->support_material_angle) + 90.f); + filler->angle = Geometry::deg2rad(float(m_object_config->support_material_angle + 90)); density = 0.5f; flow = m_first_layer_flow; // use the proper spacing for first layer as we don't need to align |