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ENH: ease tree support removal 

We discover a good quaility interface can help remove support. When
enabling interface, directly generating circles from overhang polygons
gives fairly good quality.

Change-Id: I5d347fa7abaacea839650b6fd3a8c2c73abd5e56
(cherry picked from commit 474cbf7d59beda63e9ef1ec8b52636f2674811c7)
This commit is contained in:
Arthur 2022-10-25 17:11:23 +08:00 committed by Lane.Wei
parent a9a228d071
commit f8fc565dd8
1 changed files with 5 additions and 1 deletions
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6
src/libslic3r/TreeSupport.cpp
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@ -2053,7 +2053,8 @@ void TreeSupport::draw_circles(const std::vector<std::vector<Node*>>& contact_no
const Node& node = *p_node; const Node& node = *p_node;
ExPolygon area; ExPolygon area;
if (node.type == ePolygon) { // 如果是混合支撑里的普通部分，或没有启用顶部接触层，则直接从overhang多边形生成
if (node.type == ePolygon || (top_interface_layers>0 &&node.support_roof_layers_below > 0)) {
area = offset_ex({ *node.overhang }, scale_(m_ts_data->m_xy_distance))[0]; area = offset_ex({ *node.overhang }, scale_(m_ts_data->m_xy_distance))[0];
} }
else { else {
@ -2999,6 +3000,7 @@ void TreeSupport::generate_contact_points(std::vector<std::vector<TreeSupport::N
constexpr size_t distance_to_top = 0; constexpr size_t distance_to_top = 0;
constexpr bool to_buildplate = true; constexpr bool to_buildplate = true;
Node* contact_node = new Node(candidate, distance_to_top, (layer_nr + z_distance_top_layers) % 2, support_roof_layers, to_buildplate, Node::NO_PARENT,print_z,height); Node* contact_node = new Node(candidate, distance_to_top, (layer_nr + z_distance_top_layers) % 2, support_roof_layers, to_buildplate, Node::NO_PARENT,print_z,height);
contact_node->overhang = &overhang_part;
curr_nodes.emplace_back(contact_node); curr_nodes.emplace_back(contact_node);
added = true; added = true;
} }
@ -3021,6 +3023,7 @@ void TreeSupport::generate_contact_points(std::vector<std::vector<TreeSupport::N
constexpr size_t distance_to_top = 0; constexpr size_t distance_to_top = 0;
constexpr bool to_buildplate = true; constexpr bool to_buildplate = true;
Node * contact_node = new Node(candidate, distance_to_top, layer_nr % 2, support_roof_layers, to_buildplate, Node::NO_PARENT, print_z, height); Node * contact_node = new Node(candidate, distance_to_top, layer_nr % 2, support_roof_layers, to_buildplate, Node::NO_PARENT, print_z, height);
contact_node->overhang = &overhang_part;
curr_nodes.emplace_back(contact_node); curr_nodes.emplace_back(contact_node);
} }
} }
@ -3033,6 +3036,7 @@ void TreeSupport::generate_contact_points(std::vector<std::vector<TreeSupport::N
auto v2 = (pt - points[(i + 1) % points.size()]).normalized(); auto v2 = (pt - points[(i + 1) % points.size()]).normalized();
if (v1.dot(v2) > -0.7) { if (v1.dot(v2) > -0.7) {
Node *contact_node = new Node(pt, 0, layer_nr % 2, support_roof_layers, true, Node::NO_PARENT, print_z, height); Node *contact_node = new Node(pt, 0, layer_nr % 2, support_roof_layers, true, Node::NO_PARENT, print_z, height);
contact_node->overhang = &overhang_part;
curr_nodes.emplace_back(contact_node); curr_nodes.emplace_back(contact_node);
} }
} }