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FIX: Solve cracked layers of tree support under adaptive slicing
fix bug of empty layers when meeting similar large layer height of tree support TODO: hybrid(auto) still has dangling layers at the botttom. Github#826 Change-Id: I6d5dfa9a610403e51ea82c1d86444f8645dc3210 (cherry picked from commit ea38988f0b5ba22c5b7c3b212d510f649dd23301)
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1 changed files with 14 additions and 12 deletions
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@ -30,6 +30,7 @@
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#define NO_INDEX (std::numeric_limits<unsigned int>::max())
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// #define SUPPORT_TREE_DEBUG_TO_SVG
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namespace Slic3r
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{
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#define unscale_(val) ((val) * SCALING_FACTOR)
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@ -1398,7 +1399,6 @@ void TreeSupport::generate_toolpaths()
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const size_t wall_count = object_config.tree_support_wall_count.value;
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const bool with_infill = object_config.support_base_pattern != smpNone && object_config.support_base_pattern != smpDefault;
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auto m_support_material_flow = support_material_flow(m_object, float(m_slicing_params.layer_height));
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// coconut: use same intensity settings as SupportMaterial.cpp
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auto m_support_material_interface_flow = support_material_interface_flow(m_object, float(m_slicing_params.layer_height));
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@ -1406,8 +1406,6 @@ void TreeSupport::generate_toolpaths()
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coordf_t bottom_interface_spacing = object_config.support_bottom_interface_spacing.value + m_support_material_interface_flow.spacing();
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coordf_t interface_density = std::min(1., m_support_material_interface_flow.spacing() / interface_spacing);
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coordf_t bottom_interface_density = std::min(1., m_support_material_interface_flow.spacing() / bottom_interface_spacing);
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coordf_t support_spacing = object_config.support_base_pattern_spacing.value + m_support_material_flow.spacing();
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coordf_t support_density = std::min(1., m_support_material_flow.spacing() / support_spacing);
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const coordf_t branch_radius = object_config.tree_support_branch_diameter.value / 2;
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const coordf_t branch_radius_scaled = scale_(branch_radius);
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@ -1517,6 +1515,9 @@ void TreeSupport::generate_toolpaths()
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TreeSupportLayer* ts_layer = m_object->get_tree_support_layer(layer_id);
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Flow support_flow(support_extrusion_width, ts_layer->height, nozzle_diameter);
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coordf_t support_spacing = object_config.support_base_pattern_spacing.value + support_flow.spacing();
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coordf_t support_density = std::min(1., support_flow.spacing() / support_spacing);
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ts_layer->support_fills.no_sort = false;
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for (auto& area_group : ts_layer->area_groups) {
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@ -1568,12 +1569,11 @@ void TreeSupport::generate_toolpaths()
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}
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else {
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// base_areas
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filler_support->spacing = m_support_material_flow.spacing();
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Flow flow = (layer_id == 0 && m_raft_layers == 0) ? m_object->print()->brim_flow() :
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(m_support_params.base_fill_pattern == ipRectilinear && (layer_id % num_layers_to_change_infill_direction == 0) ? support_transition_flow(m_object) : support_flow);
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if (area_group.dist_to_top < 10 / layer_height) {
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// extra 2 walls for the top tips
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make_perimeter_and_inner_brim(ts_layer->support_fills.entities, *m_object->print(), poly, wall_count + 2, flow, false);
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filler_support->spacing = support_flow.spacing();
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Flow flow = (layer_id == 0 && m_raft_layers == 0) ? m_object->print()->brim_flow() : support_flow;
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if (area_group.dist_to_top < 10 / layer_height && !with_infill) {
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// at least 2 walls for the top tips
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make_perimeter_and_inner_brim(ts_layer->support_fills.entities, *m_object->print(), poly, std::max(wall_count, size_t(2)), flow, false);
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} else {
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if (with_infill && layer_id > 0 && m_support_params.base_fill_pattern != ipLightning) {
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filler_support->angle = Geometry::deg2rad(object_config.support_angle.value);
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@ -3029,7 +3029,9 @@ std::vector<std::pair<coordf_t, coordf_t>> TreeSupport::plan_layer_heights(std::
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coordf_t dist = extr2z - extr1z;
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// Insert intermediate layers.
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size_t n_layers_extra = size_t(ceil(dist / m_slicing_params.max_suport_layer_height));
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size_t n_layers_extra = size_t(ceil(dist / (m_slicing_params.max_suport_layer_height + EPSILON)));
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int actual_internel_layers = extr2_layer_nr - extr1_layer_nr - 1;
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int extr_layers_left = extr2_layer_nr - extr1_layer_nr - n_layers_extra - 1;
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if (n_layers_extra < 1)
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continue;
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@ -3038,8 +3040,7 @@ std::vector<std::pair<coordf_t, coordf_t>> TreeSupport::plan_layer_heights(std::
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assert(step >= layer_height - EPSILON);
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for (int layer_nr = extr1_layer_nr + 1; layer_nr < extr2_layer_nr; layer_nr++) {
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// if (curr_layer_nodes.empty()) continue;
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if (std::abs(print_z - m_object->get_layer(layer_nr)->print_z) < step / 2 + EPSILON) {
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if (std::abs(print_z - m_object->get_layer(layer_nr)->print_z) < step / 2 + EPSILON || extr_layers_left < 1) {
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layer_heights[layer_nr].first = print_z;
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layer_heights[layer_nr].second = step;
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print_z += step;
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@ -3048,6 +3049,7 @@ std::vector<std::pair<coordf_t, coordf_t>> TreeSupport::plan_layer_heights(std::
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// can't clear curr_layer_nodes, or the model will have empty layers
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layer_heights[layer_nr].first = 0.0;
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layer_heights[layer_nr].second = 0.0;
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extr_layers_left--;
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}
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}
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}
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