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ENH: add a new support style "Tree Organic"

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Add a new suport style "Tree Organic" from Prusa, as organic support is
faster and seems more strong in some cases. Thanks to Prusa.

Feature detection including sharp tail, small overhang, long cantilever,
are still kept.

Known issue: first layer support path may go outside build plate.

Jira: STUDIO-2358
Github: #2420

Change-Id: I4cec149bf4fa9eb733ae720ac1a7f65098e3b951
(cherry picked from commit d977bc5d3b4609f4fec0aa68152a33cacf184c4a)
This commit is contained in:
Arthur 2023-08-19 10:57:07 +08:00 • committed by Lane.Wei
parent b6995d8fb3
commit ad9fa81b01
27 changed files with 7474 additions and 674 deletions
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17
src/libslic3r/TreeSupport.hpp
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@ -401,6 +401,14 @@ public:
std::unique_ptr<FillLightning::Generator> generator;
std::unordered_map<double, size_t> printZ_to_lightninglayer;
std::function<void()> throw_on_cancel;
const PrintConfig* m_print_config;
/*!
* \brief Polygons representing the limits of the printable area of the
* machine
*/
ExPolygon m_machine_border;
private:
/*!
* \brief Generator for model collision, avoidance and internal guide volumes
@ -410,7 +418,7 @@ private:
*/
std::shared_ptr<TreeSupportData> m_ts_data;
PrintObject *m_object;
const PrintObjectConfig *m_object_config;
const PrintObjectConfig* m_object_config;
SlicingParameters m_slicing_params;
// Various precomputed support parameters to be shared with external functions.
SupportParams m_support_params;
@ -418,6 +426,7 @@ private:
size_t m_highest_overhang_layer = 0;
std::vector<std::vector<MinimumSpanningTree>> m_spanning_trees;
std::vector< std::unordered_map<Line, bool, LineHash>> m_mst_line_x_layer_contour_caches;
float DO_NOT_MOVER_UNDER_MM = 0.0;
coordf_t MAX_BRANCH_RADIUS = 10.0;
coordf_t MIN_BRANCH_RADIUS = 0.5;
float tree_support_branch_diameter_angle = 5.0;
@ -426,11 +435,6 @@ private:
bool with_infill = false;
/*!
* \brief Polygons representing the limits of the printable area of the
* machine
*/
ExPolygon m_machine_border;
/*!
* \brief Draws circles around each node of the tree into the final support.
@ -493,6 +497,7 @@ private:
void generate_toolpaths();
Polygons spanning_tree_to_polygon(const std::vector<MinimumSpanningTree>& spanning_trees, Polygons layer_contours, int layer_nr);
Polygons contact_nodes_to_polygon(const std::vector<Node*>& contact_nodes, Polygons layer_contours, int layer_nr, std::vector<double>& radiis, std::vector<bool>& is_interface);
void clear_contact_nodes(std::vector<std::vector<Node*>>& contact_nodes);
coordf_t calc_branch_radius(coordf_t base_radius, size_t layers_to_top, size_t tip_layers, double diameter_angle_scale_factor);
coordf_t calc_branch_radius(coordf_t base_radius, coordf_t mm_to_top, double diameter_angle_scale_factor);