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BambuStudio/libslic3r/Support/TreeSupportCommon.hpp

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初始化
2024-12-20 06:44:50 +00:00
#pragma once
#include <boost/container/small_vector.hpp>
#include "../Point.hpp"
#include "../libslic3r.h"
#include "../Print.hpp"
#include "../BoundingBox.hpp"
#include "../Utils.hpp"
#include "../Slicing.hpp" // SlicingParams
#include "TreeModelVolumes.hpp"
#include "SupportLayer.hpp"
#include "SupportParameters.hpp"
namespace Slic3r
{
namespace TreeSupport3D
{
using LayerIndex = int;
enum class InterfacePreference
{
InterfaceAreaOverwritesSupport,
SupportAreaOverwritesInterface,
InterfaceLinesOverwriteSupport,
SupportLinesOverwriteInterface,
Nothing
};
struct TreeSupportMeshGroupSettings {
TreeSupportMeshGroupSettings() = default;
explicit TreeSupportMeshGroupSettings(const PrintObject &print_object)
{
const PrintConfig &print_config = print_object.print()->config();
const PrintObjectConfig &config = print_object.config();
const SlicingParameters &slicing_params = print_object.slicing_parameters();
// const std::vector<unsigned int> printing_extruders = print_object.object_extruders();
// Support must be enabled and set to Tree style.
//assert(config.support_material);
//assert(config.support_material_style == smsTree || config.support_material_style == smsOrganic);
// Calculate maximum external perimeter width over all printing regions, taking into account the default layer height.
coordf_t external_perimeter_width = 0.;
for (size_t region_id = 0; region_id < print_object.num_printing_regions(); ++ region_id) {
const PrintRegion &region = print_object.printing_region(region_id);
external_perimeter_width = std::max<coordf_t>(external_perimeter_width, region.flow(print_object, frExternalPerimeter, config.layer_height).width());
}
this->layer_height = scaled<coord_t>(config.layer_height.value);
this->resolution = scaled<coord_t>(print_config.resolution.value);
// Arache feature
this->min_feature_size = scaled<coord_t>(config.min_feature_size.value);
// +1 makes the threshold inclusive
this->support_angle = 0.5 * M_PI - std::clamp<double>((config.support_threshold_angle + 1) * M_PI / 180., 0., 0.5 * M_PI);
this->support_line_width = support_material_flow(&print_object, config.layer_height).scaled_width();
this->support_roof_line_width = support_material_interface_flow(&print_object, config.layer_height).scaled_width();
//FIXME add it to SlicingParameters and reuse in both tree and normal supports?
this->support_bottom_enable = config.support_interface_top_layers.value > 0 && config.support_interface_bottom_layers.value != 0;
this->support_bottom_height = this->support_bottom_enable ?
(config.support_interface_bottom_layers.value > 0 ?
config.support_interface_bottom_layers.value :
config.support_interface_top_layers.value) * this->layer_height :
0;
this->support_material_buildplate_only = config.support_on_build_plate_only;
this->support_xy_distance = scaled<coord_t>(config.support_object_xy_distance.value);
this->support_xy_distance_1st_layer = scaled<coord_t>(config.support_object_first_layer_gap.value);
// Separation of interfaces, it is likely smaller than support_xy_distance.
this->support_xy_distance_overhang = std::min(this->support_xy_distance, scaled<coord_t>(0.5 * external_perimeter_width));
this->support_top_distance = scaled<coord_t>(slicing_params.gap_support_object);
this->support_bottom_distance = scaled<coord_t>(slicing_params.gap_object_support);
this->support_roof_enable = config.support_interface_top_layers.value > 0;
this->support_roof_layers = config.support_interface_top_layers.value;
this->support_floor_enable = config.support_interface_bottom_layers.value > 0;
this->support_floor_layers = config.support_interface_bottom_layers.value;
this->support_roof_pattern = config.support_interface_pattern;
this->support_pattern = config.support_base_pattern;
this->support_line_spacing = scaled<coord_t>(config.support_base_pattern_spacing.value);
this->support_wall_count = std::max(1, config.tree_support_wall_count.value); // at least 1 wall for organic tree support
this->support_roof_line_distance = scaled<coord_t>(config.support_interface_spacing.value) + this->support_roof_line_width;
double support_tree_angle_slow = 25;// TODO add a setting?
double support_tree_branch_diameter_angle = 5; // TODO add a setting?
double tree_support_tip_diameter = 0.8;
this->support_tree_angle = std::clamp<double>(config.tree_support_branch_angle * M_PI / 180., 0., 0.5 * M_PI - EPSILON);
this->support_tree_angle_slow = std::clamp<double>(support_tree_angle_slow * M_PI / 180., 0., this->support_tree_angle - EPSILON);
this->support_tree_branch_diameter = scaled<coord_t>(config.tree_support_branch_diameter.value);
this->support_tree_branch_diameter_angle = std::clamp<double>(support_tree_branch_diameter_angle * M_PI / 180., 0., 0.5 * M_PI - EPSILON);
this->support_tree_top_rate = 30; // percent
// this->support_tree_tip_diameter = this->support_line_width;
this->support_tree_tip_diameter = std::clamp(scaled<coord_t>(tree_support_tip_diameter), 0, this->support_tree_branch_diameter);
}
/*********************************************************************/
/* Print parameters, not support specific: */
/*********************************************************************/
coord_t layer_height { scaled<coord_t>(0.15) };
// Maximum Deviation (meshfix_maximum_deviation)
// The maximum deviation allowed when reducing the resolution for the Maximum Resolution setting. If you increase this,
// the print will be less accurate, but the g-code will be smaller. Maximum Deviation is a limit for Maximum Resolution,
// so if the two conflict the Maximum Deviation will always be held true.
coord_t resolution { scaled<coord_t>(0.025) };
// Minimum Feature Size (aka minimum line width) - Arachne specific
// Minimum thickness of thin features. Model features that are thinner than this value will not be printed, while features thicker
// than the Minimum Feature Size will be widened to the Minimum Wall Line Width.
coord_t min_feature_size { scaled<coord_t>(0.1) };
/*********************************************************************/
/* General support parameters: */
/*********************************************************************/
// Support Overhang Angle
// The minimum angle of overhangs for which support is added. At a value of 0° all overhangs are supported, 90° will not provide any support.
double support_angle { 50. * M_PI / 180. };
// Support Line Width
// Width of a single support structure line.
coord_t support_line_width { scaled<coord_t>(0.4) };
// Support Roof Line Width: Width of a single support roof line.
coord_t support_roof_line_width { scaled<coord_t>(0.4) };
// Enable Support Floor (aka bottom interfaces)
// Generate a dense slab of material between the bottom of the support and the model. This will create a skin between the model and support.
bool support_bottom_enable { false };
// Support Floor Thickness
// The thickness of the support floors. This controls the number of dense layers that are printed on top of places of a model on which support rests.
coord_t support_bottom_height { scaled<coord_t>(1.) };
bool support_material_buildplate_only { false };
// Support X/Y Distance
// Distance of the support structure from the print in the X/Y directions.
// minimum: 0, maximum warning: 1.5 * machine_nozzle_tip_outer_diameter
coord_t support_xy_distance { scaled<coord_t>(0.7) };
coord_t support_xy_distance_1st_layer { scaled<coord_t>(0.7) };
// Minimum Support X/Y Distance
// Distance of the support structure from the overhang in the X/Y directions.
// minimum_value: 0, minimum warning": support_xy_distance - support_line_width * 2, maximum warning: support_xy_distance
coord_t support_xy_distance_overhang { scaled<coord_t>(0.2) };
// Support Top Distance
// Distance from the top of the support to the print.
coord_t support_top_distance { scaled<coord_t>(0.1) };
// Support Bottom Distance
// Distance from the print to the bottom of the support.
coord_t support_bottom_distance { scaled<coord_t>(0.1) };
//FIXME likely not needed, optimization for clipping of interface layers
// When checking where there's model above and below the support, take steps of the given height. Lower values will slice slower, while higher values
// may cause normal support to be printed in some places where there should have been support interface.
coord_t support_interface_skip_height { scaled<coord_t>(0.3) };
// Support Infill Line Directions
// A list of integer line directions to use. Elements from the list are used sequentially as the layers progress and when the end
// of the list is reached, it starts at the beginning again. The list items are separated by commas and the whole list is contained
// in square brackets. Default is an empty list which means use the default angle 0 degrees.
// std::vector<double> support_infill_angles {};
// Enable Support Roof
// Generate a dense slab of material between the top of support and the model. This will create a skin between the model and support.
bool support_roof_enable { false };
// Support Roof Thickness
// The thickness of the support roofs. This controls the amount of dense layers at the top of the support on which the model rests.
coord_t support_roof_layers{ 2 };
bool support_floor_enable{ false };
coord_t support_floor_layers{ 2 };
// Minimum Support Roof Area
// Minimum area size for the roofs of the support. Polygons which have an area smaller than this value will be printed as normal support.
double minimum_roof_area { scaled<double>(scaled<double>(1.)) };
// A list of integer line directions to use. Elements from the list are used sequentially as the layers progress
// and when the end of the list is reached, it starts at the beginning again. The list items are separated
// by commas and the whole list is contained in square brackets. Default is an empty list which means
// use the default angles (alternates between 45 and 135 degrees if interfaces are quite thick or 90 degrees).
std::vector<double> support_roof_angles {};
// Support Roof Pattern (aka top interface)
// The pattern with which the roofs of the support are printed.
SupportMaterialInterfacePattern support_roof_pattern { smipAuto };
// Support Pattern
// The pattern of the support structures of the print. The different options available result in sturdy or easy to remove support.
SupportMaterialPattern support_pattern { smpRectilinear };
// Support Line Distance
// Distance between the printed support structure lines. This setting is calculated by the support density.
coord_t support_line_spacing { scaled<coord_t>(2.66 - 0.4) };
// Support Floor Horizontal Expansion
// Amount of offset applied to the floors of the support.
coord_t support_bottom_offset { scaled<coord_t>(0.) };
// Support Wall Line Count
// The number of walls with which to surround support infill. Adding a wall can make support print more reliably
// and can support overhangs better, but increases print time and material used.
// tree: 1, zig-zag: 0, concentric: 1
int support_wall_count { 1 };
// Support Roof Line Distance
// Distance between the printed support roof lines. This setting is calculated by the Support Roof Density, but can be adjusted separately.
coord_t support_roof_line_distance { scaled<coord_t>(0.4) };
// Minimum Support Area
// Minimum area size for support polygons. Polygons which have an area smaller than this value will not be generated.
coord_t minimum_support_area { scaled<coord_t>(0.) };
// Minimum Support Floor Area
// Minimum area size for the floors of the support. Polygons which have an area smaller than this value will be printed as normal support.
coord_t minimum_bottom_area { scaled<coord_t>(1.0) };
// Support Horizontal Expansion
// Amount of offset applied to all support polygons in each layer. Positive values can smooth out the support areas and result in more sturdy support.
coord_t support_offset { scaled<coord_t>(0.) };
/*********************************************************************/
/* Parameters for the Cura tree supports implementation: */
/*********************************************************************/
// Tree Support Maximum Branch Angle
// The maximum angle of the branches, when the branches have to avoid the model. Use a lower angle to make them more vertical and more stable. Use a higher angle to be able to have more reach.
// minimum: 0, minimum warning: 20, maximum: 89, maximum warning": 85
double support_tree_angle { 60. * M_PI / 180. };
// Tree Support Branch Diameter Angle
// The angle of the branches' diameter as they gradually become thicker towards the bottom. An angle of 0 will cause the branches to have uniform thickness over their length.
// A bit of an angle can increase stability of the tree support.
// minimum: 0, maximum: 89.9999, maximum warning: 15
double support_tree_branch_diameter_angle { 5. * M_PI / 180. };
// Tree Support Branch Distance
// How far apart the branches need to be when they touch the model. Making this distance small will cause
// the tree support to touch the model at more points, causing better overhang but making support harder to remove.
coord_t support_tree_branch_distance { scaled<coord_t>(1.) };
// Tree Support Branch Diameter
// The diameter of the thinnest branches of tree support. Thicker branches are more sturdy. Branches towards the base will be thicker than this.
// minimum: 0.001, minimum warning: support_line_width * 2
coord_t support_tree_branch_diameter { scaled<coord_t>(2.) };
/*********************************************************************/
/* Parameters new to the Thomas Rahm's tree supports implementation: */
/*********************************************************************/
// Tree Support Preferred Branch Angle
// The preferred angle of the branches, when they do not have to avoid the model. Use a lower angle to make them more vertical and more stable. Use a higher angle for branches to merge faster.
// minimum: 0, minimum warning: 10, maximum: support_tree_angle, maximum warning: support_tree_angle-1
double support_tree_angle_slow { 50. * M_PI / 180. };
// Tree Support Diameter Increase To Model
// The most the diameter of a branch that has to connect to the model may increase by merging with branches that could reach the buildplate.
// Increasing this reduces print time, but increases the area of support that rests on model
// minimum: 0
coord_t support_tree_max_diameter_increase_by_merges_when_support_to_model { scaled<coord_t>(1.0) };
// Tree Support Minimum Height To Model
// How tall a branch has to be if it is placed on the model. Prevents small blobs of support. This setting is ignored when a branch is supporting a support roof.
// minimum: 0, maximum warning: 5
coord_t support_tree_min_height_to_model { scaled<coord_t>(1.0) };
// Tree Support Inital Layer Diameter
// Diameter every branch tries to achieve when reaching the buildplate. Improves bed adhesion.
// minimum: 0, maximum warning: 20
coord_t support_tree_bp_diameter { scaled<coord_t>(7.5) };
// Tree Support Branch Density
// Adjusts the density of the support structure used to generate the tips of the branches. A higher value results in better overhangs,
// but the supports are harder to remove. Use Support Roof for very high values or ensure support density is similarly high at the top.
// 5%-35%
double support_tree_top_rate { 15. };
// Tree Support Tip Diameter
// The diameter of the top of the tip of the branches of tree support.
// minimum: min_wall_line_width, minimum warning: min_wall_line_width+0.05, maximum_value: support_tree_branch_diameter, value: support_line_width
coord_t support_tree_tip_diameter { scaled<coord_t>(0.4) };
// Support Interface Priority
// How support interface and support will interact when they overlap. Currently only implemented for support roof.
//enum support_interface_priority { support_lines_overwrite_interface_area };
};
/*!
* \brief This struct contains settings used in the tree support. Thanks to this most functions do not need to know of meshes etc. Also makes the code shorter.
*/
struct TreeSupportSettings
{
TreeSupportSettings() = default; // required for the definition of the config variable in the TreeSupportGenerator class.
explicit TreeSupportSettings(const TreeSupportMeshGroupSettings& mesh_group_settings, const SlicingParameters &slicing_params)
: angle(mesh_group_settings.support_tree_angle),
angle_slow(mesh_group_settings.support_tree_angle_slow),
support_line_width(mesh_group_settings.support_line_width),
layer_height(mesh_group_settings.layer_height),
branch_radius(mesh_group_settings.support_tree_branch_diameter / 2),
min_radius(mesh_group_settings.support_tree_tip_diameter / 2), // The actual radius is 50 microns larger as the resulting branches will be increased by 50 microns to avoid rounding errors effectively increasing the xydistance
maximum_move_distance((angle < M_PI / 2.) ? (coord_t)(tan(angle) * layer_height) : std::numeric_limits<coord_t>::max()),
maximum_move_distance_slow((angle_slow < M_PI / 2.) ? (coord_t)(tan(angle_slow) * layer_height) : std::numeric_limits<coord_t>::max()),
support_bottom_layers(mesh_group_settings.support_bottom_enable ? (mesh_group_settings.support_bottom_height + layer_height / 2) / layer_height : 0),
tip_layers(std::max((branch_radius - min_radius) / (support_line_width / 3), branch_radius / layer_height)), // Ensure lines always stack nicely even if layer height is large
branch_radius_increase_per_layer(tan(mesh_group_settings.support_tree_branch_diameter_angle) * layer_height),
max_to_model_radius_increase(mesh_group_settings.support_tree_max_diameter_increase_by_merges_when_support_to_model / 2),
min_dtt_to_model(round_up_divide(mesh_group_settings.support_tree_min_height_to_model, layer_height)),
increase_radius_until_radius(mesh_group_settings.support_tree_branch_diameter / 2),
increase_radius_until_layer(increase_radius_until_radius <= branch_radius ? tip_layers * (increase_radius_until_radius / branch_radius) : (increase_radius_until_radius - branch_radius) / branch_radius_increase_per_layer),
support_rests_on_model(! mesh_group_settings.support_material_buildplate_only),
xy_distance(mesh_group_settings.support_xy_distance),
xy_min_distance(std::min(mesh_group_settings.support_xy_distance, mesh_group_settings.support_xy_distance_overhang)),
bp_radius(mesh_group_settings.support_tree_bp_diameter / 2),
bp_radius_increase_per_layer(std::min(tan(0.7) * layer_height, 0.5 * support_line_width)),
z_distance_bottom_layers(size_t(round(double(mesh_group_settings.support_bottom_distance) / double(layer_height)))),
z_distance_top_layers(size_t(round(double(mesh_group_settings.support_top_distance) / double(layer_height)))),
// support_infill_angles(mesh_group_settings.support_infill_angles),
support_roof_angles(mesh_group_settings.support_roof_angles),
roof_pattern(mesh_group_settings.support_roof_pattern),
support_pattern(mesh_group_settings.support_pattern),
support_roof_line_width(mesh_group_settings.support_roof_line_width),
support_line_spacing(mesh_group_settings.support_line_spacing),
support_bottom_offset(mesh_group_settings.support_bottom_offset),
support_wall_count(mesh_group_settings.support_wall_count),
resolution(mesh_group_settings.resolution),
support_roof_line_distance(mesh_group_settings.support_roof_line_distance), // in the end the actual infill has to be calculated to subtract interface from support areas according to interface_preference.
settings(mesh_group_settings),
min_feature_size(mesh_group_settings.min_feature_size)
{
// At least one tip layer must be defined.
assert(tip_layers > 0);
layer_start_bp_radius = (bp_radius - branch_radius) / bp_radius_increase_per_layer;
if (TreeSupportSettings::soluble) {
// safeOffsetInc can only work in steps of the size xy_min_distance in the worst case => xy_min_distance has to be a bit larger than 0 in this worst case and should be large enough for performance to not suffer extremely
// When for all meshes the z bottom and top distance is more than one layer though the worst case is xy_min_distance + min_feature_size
// This is not the best solution, but the only one to ensure areas can not lag though walls at high maximum_move_distance.
xy_min_distance = std::max(xy_min_distance, scaled<coord_t>(0.1));
xy_distance = std::max(xy_distance, xy_min_distance);
}
// const std::unordered_map<std::string, InterfacePreference> interface_map = { { "support_area_overwrite_interface_area", InterfacePreference::SupportAreaOverwritesInterface }, { "interface_area_overwrite_support_area", InterfacePreference::InterfaceAreaOverwritesSupport }, { "support_lines_overwrite_interface_area", InterfacePreference::SupportLinesOverwriteInterface }, { "interface_lines_overwrite_support_area", InterfacePreference::InterfaceLinesOverwriteSupport }, { "nothing", InterfacePreference::Nothing } };
// interface_preference = interface_map.at(mesh_group_settings.get<std::string>("support_interface_priority"));
//FIXME this was the default
// interface_preference = InterfacePreference::SupportLinesOverwriteInterface;
interface_preference = InterfacePreference::InterfaceAreaOverwritesSupport;
if (slicing_params.raft_layers() > 0) {
// Fill in raft_layers with the heights of the layers below the first object layer.
// First layer
double z = slicing_params.first_print_layer_height;
this->raft_layers.emplace_back(z);
// Raft base layers
for (size_t i = 1; i < slicing_params.base_raft_layers; ++ i) {
z += slicing_params.base_raft_layer_height;
this->raft_layers.emplace_back(z);
}
// Raft interface layers
for (size_t i = 0; i + 1 < slicing_params.interface_raft_layers; ++ i) {
z += slicing_params.interface_raft_layer_height;
this->raft_layers.emplace_back(z);
}
// Raft contact layer
if (slicing_params.raft_layers() > 1) {
z = slicing_params.raft_contact_top_z;
this->raft_layers.emplace_back(z);
}
if (double dist_to_go = slicing_params.object_print_z_min - z; dist_to_go > EPSILON) {
// Layers between the raft contacts and bottom of the object.
auto nsteps = int(ceil(dist_to_go / slicing_params.max_suport_layer_height));
double step = dist_to_go / nsteps;
for (int i = 0; i < nsteps; ++ i) {
z += step;
this->raft_layers.emplace_back(z);
}
}
}
}
private:
double angle;
double angle_slow;
std::vector<coord_t> known_z;
public:
// some static variables dependent on other meshes that are not currently processed.
// Has to be static because TreeSupportConfig will be used in TreeModelVolumes as this reduces redundancy.
inline static bool soluble = false;
/*!
* \brief Width of a single line of support.
*/
coord_t support_line_width;
/*!
* \brief Height of a single layer
*/
coord_t layer_height;
/*!
* \brief Radius of a branch when it has left the tip.
*/
coord_t branch_radius;
/*!
* \brief smallest allowed radius, required to ensure that even at DTT 0 every circle will still be printed
*/
coord_t min_radius;
/*!
* \brief How far an influence area may move outward every layer at most.
*/
coord_t maximum_move_distance;
/*!
* \brief How far every influence area will move outward every layer if possible.
*/
coord_t maximum_move_distance_slow;
/*!
* \brief Amount of bottom layers. 0 if disabled.
*/
size_t support_bottom_layers;
/*!
* \brief Amount of effectiveDTT increases are required to reach branch radius.
*/
size_t tip_layers;
/*!
* \brief Factor by which to increase the branch radius.
*/
double branch_radius_increase_per_layer;
/*!
* \brief How much a branch resting on the model may grow in radius by merging with branches that can reach the buildplate.
*/
coord_t max_to_model_radius_increase;
/*!
* \brief If smaller (in layers) than that, all branches to model will be deleted
*/
size_t min_dtt_to_model;
/*!
* \brief Increase radius in the resulting drawn branches, even if the avoidance does not allow it. Will be cut later to still fit.
*/
coord_t increase_radius_until_radius;
/*!
* \brief Same as increase_radius_until_radius, but contains the DTT at which the radius will be reached.
*/
size_t increase_radius_until_layer;
/*!
* \brief True if the branches may connect to the model.
*/
bool support_rests_on_model;
/*!
* \brief How far should support be from the model.
*/
coord_t xy_distance;
/*!
* \brief Radius a branch should have when reaching the buildplate.
*/
coord_t bp_radius;
/*!
* \brief The layer index at which an increase in radius may be required to reach the bp_radius.
*/
LayerIndex layer_start_bp_radius;
/*!
* \brief Factor by which to increase the branch radius to reach the required bp_radius at layer 0. Note that this radius increase will not happen in the tip, to ensure the tip is structurally sound.
*/
double bp_radius_increase_per_layer;
/*!
* \brief minimum xy_distance. Only relevant when Z overrides XY, otherwise equal to xy_distance-
*/
coord_t xy_min_distance;
/*!
* \brief Amount of layers distance required the top of the support to the model
*/
size_t z_distance_top_layers;
/*!
* \brief Amount of layers distance required from the top of the model to the bottom of a support structure.
*/
size_t z_distance_bottom_layers;
/*!
* \brief used for performance optimization at the support floor. Should have no impact on the resulting tree.
*/
size_t performance_interface_skip_layers;
/*!
* \brief User specified angles for the support infill.
*/
// std::vector<double> support_infill_angles;
/*!
* \brief User specified angles for the support roof infill.
*/
std::vector<double> support_roof_angles;
/*!
* \brief Pattern used in the support roof. May contain non relevant data if support roof is disabled.
*/
SupportMaterialInterfacePattern roof_pattern;
/*!
* \brief Pattern used in the support infill.
*/
SupportMaterialPattern support_pattern;
/*!
* \brief Line width of the support roof.
*/
coord_t support_roof_line_width;
/*!
* \brief Distance between support infill lines.
*/
coord_t support_line_spacing;
/*!
* \brief Offset applied to the support floor area.
*/
coord_t support_bottom_offset;
/*
* \brief Amount of walls the support area will have.
*/
int support_wall_count;
/*
* \brief Maximum allowed deviation when simplifying.
*/
coord_t resolution;
/*
* \brief Distance between the lines of the roof.
*/
coord_t support_roof_line_distance;
/*
* \brief How overlaps of an interface area with a support area should be handled.
*/
InterfacePreference interface_preference;
/*
* \brief The infill class wants a settings object. This one will be the correct one for all settings it uses.
*/
TreeSupportMeshGroupSettings settings;
/*
* \brief Minimum thickness of any model features.
*/
coord_t min_feature_size;
// Extra raft layers below the object.
std::vector<coordf_t> raft_layers;
public:
bool operator==(const TreeSupportSettings& other) const
{
return branch_radius == other.branch_radius && tip_layers == other.tip_layers && branch_radius_increase_per_layer == other.branch_radius_increase_per_layer && layer_start_bp_radius == other.layer_start_bp_radius && bp_radius == other.bp_radius &&
bp_radius_increase_per_layer == other.bp_radius_increase_per_layer && min_radius == other.min_radius && xy_min_distance == other.xy_min_distance &&
xy_distance - xy_min_distance == other.xy_distance - other.xy_min_distance && // if the delta of xy_min_distance and xy_distance is different the collision areas have to be recalculated.
support_rests_on_model == other.support_rests_on_model && increase_radius_until_layer == other.increase_radius_until_layer && min_dtt_to_model == other.min_dtt_to_model && max_to_model_radius_increase == other.max_to_model_radius_increase && maximum_move_distance == other.maximum_move_distance && maximum_move_distance_slow == other.maximum_move_distance_slow && z_distance_bottom_layers == other.z_distance_bottom_layers && support_line_width == other.support_line_width &&
support_line_spacing == other.support_line_spacing && support_roof_line_width == other.support_roof_line_width && // can not be set on a per-mesh basis currently, so code to enable processing different roof line width in the same iteration seems useless.
support_bottom_offset == other.support_bottom_offset && support_wall_count == other.support_wall_count && support_pattern == other.support_pattern && roof_pattern == other.roof_pattern && // can not be set on a per-mesh basis currently, so code to enable processing different roof patterns in the same iteration seems useless.
support_roof_angles == other.support_roof_angles &&
//support_infill_angles == other.support_infill_angles &&
increase_radius_until_radius == other.increase_radius_until_radius && support_bottom_layers == other.support_bottom_layers && layer_height == other.layer_height && z_distance_top_layers == other.z_distance_top_layers && resolution == other.resolution && // Infill generation depends on deviation and resolution.
support_roof_line_distance == other.support_roof_line_distance && interface_preference == other.interface_preference
&& min_feature_size == other.min_feature_size // interface_preference should be identical to ensure the tree will correctly interact with the roof.
// The infill class now wants the settings object and reads a lot of settings, and as the infill class is used to calculate support roof lines for interface-preference. Not all of these may be required to be identical, but as I am not sure, better safe than sorry
#if 0
&& (interface_preference == InterfacePreference::InterfaceAreaOverwritesSupport || interface_preference == InterfacePreference::SupportAreaOverwritesInterface
// Perimeter generator parameters
||
(settings.get<bool>("fill_outline_gaps") == other.settings.get<bool>("fill_outline_gaps") &&
settings.get<coord_t>("min_bead_width") == other.settings.get<coord_t>("min_bead_width") &&
settings.get<double>("wall_transition_angle") == other.settings.get<double>("wall_transition_angle") &&
settings.get<coord_t>("wall_transition_length") == other.settings.get<coord_t>("wall_transition_length") &&
settings.get<Ratio>("wall_split_middle_threshold") == other.settings.get<Ratio>("wall_split_middle_threshold") &&
settings.get<Ratio>("wall_add_middle_threshold") == other.settings.get<Ratio>("wall_add_middle_threshold") &&
settings.get<int>("wall_distribution_count") == other.settings.get<int>("wall_distribution_count") &&
settings.get<coord_t>("wall_transition_filter_distance") == other.settings.get<coord_t>("wall_transition_filter_distance") &&
settings.get<coord_t>("wall_transition_filter_deviation") == other.settings.get<coord_t>("wall_transition_filter_deviation") &&
settings.get<coord_t>("wall_line_width_x") == other.settings.get<coord_t>("wall_line_width_x") &&
settings.get<int>("meshfix_maximum_extrusion_area_deviation") == other.settings.get<int>("meshfix_maximum_extrusion_area_deviation"))
)
#endif
&& raft_layers == other.raft_layers
;
}
/*!
* \brief Get the Radius part will have based on numeric values.
* \param distance_to_top[in] The effective distance_to_top of the element
* \param elephant_foot_increases[in] The elephant_foot_increases of the element.
* \return The radius an element with these attributes would have.
*/
[[nodiscard]] inline coord_t getRadius(size_t distance_to_top, const double elephant_foot_increases = 0) const
{
return (distance_to_top <= tip_layers ? min_radius + (branch_radius - min_radius) * distance_to_top / tip_layers : // tip
branch_radius + // base
(distance_to_top - tip_layers) * branch_radius_increase_per_layer)
+ // gradual increase
elephant_foot_increases * (std::max(bp_radius_increase_per_layer - branch_radius_increase_per_layer, 0.0));
}
/*!
* \brief Get the Radius an element should at least have at a given layer.
* \param layer_idx[in] The layer.
* \return The radius every element should aim to achieve.
*/
[[nodiscard]] inline coord_t recommendedMinRadius(LayerIndex layer_idx) const
{
double num_layers_widened = layer_start_bp_radius - layer_idx;
return num_layers_widened > 0 ? branch_radius + num_layers_widened * bp_radius_increase_per_layer : 0;
}
/*!
* \brief Return on which z in microns the layer will be printed. Used only for support infill line generation.
* \param layer_idx[in] The layer.
* \return The radius every element should aim to achieve.
*/
[[nodiscard]] inline coord_t getActualZ(LayerIndex layer_idx)
{
return layer_idx < coord_t(known_z.size()) ? known_z[layer_idx] : (layer_idx - known_z.size()) * layer_height + known_z.size() ? known_z.back() : 0;
}
/*!
* \brief Set the z every Layer is printed at. Required for getActualZ to work
* \param z[in] The z every LayerIndex is printed. Vector is used as a map<LayerIndex,coord_t> with the index of each element being the corresponding LayerIndex
* \return The radius every element should aim to achieve.
*/
void setActualZ(std::vector<coord_t>& z)
{
known_z = z;
}
};
inline void tree_supports_show_error(std::string_view message, bool critical)
{ // todo Remove! ONLY FOR PUBLIC BETA!!
printf("Error: %s, critical: %d\n", message.data(), int(critical));
#ifdef TREE_SUPPORT_SHOW_ERRORS_WIN32
static bool g_showed_critical_error = false;
static bool g_showed_performance_warning = false;
auto bugtype = std::string(critical ? " This is a critical bug. It may cause missing or malformed branches.\n" : "This bug should only decrease performance.\n");
bool show = (critical && !g_showed_critical_error) || (!critical && !g_showed_performance_warning);
(critical ? g_showed_critical_error : g_showed_performance_warning) = true;
if (show)
MessageBoxA(nullptr, std::string("TreeSupport_2 MOD detected an error while generating the tree support.\nPlease report this back to me with profile and model.\nRevision 5.0\n" + std::string(message) + "\n" + bugtype).c_str(),
"Bug detected!", MB_OK | MB_SYSTEMMODAL | MB_SETFOREGROUND | MB_ICONWARNING);
#endif // TREE_SUPPORT_SHOW_ERRORS_WIN32
}
inline double layer_z(const SlicingParameters &slicing_params, const TreeSupportSettings &config, const size_t layer_idx)
{
return layer_idx >= config.raft_layers.size() ?
slicing_params.object_print_z_min + slicing_params.first_object_layer_height + (layer_idx - config.raft_layers.size()) * slicing_params.layer_height :
config.raft_layers[layer_idx];
}
// Lowest collision layer
inline LayerIndex layer_idx_ceil(const SlicingParameters &slicing_params, const TreeSupportSettings &config, const double z)
{
return
LayerIndex(config.raft_layers.size()) +
std::max<LayerIndex>(0, ceil((z - slicing_params.object_print_z_min - slicing_params.first_object_layer_height) / slicing_params.layer_height));
}
// Highest collision layer
inline LayerIndex layer_idx_floor(const SlicingParameters &slicing_params, const TreeSupportSettings &config, const double z)
{
return
LayerIndex(config.raft_layers.size()) +
std::max<LayerIndex>(0, floor((z - slicing_params.object_print_z_min - slicing_params.first_object_layer_height) / slicing_params.layer_height));
}
inline SupportGeneratorLayer& layer_initialize(
SupportGeneratorLayer &layer_new,
const SlicingParameters &slicing_params,
const TreeSupportSettings &config,
const size_t layer_idx)
{
layer_new.print_z = layer_z(slicing_params, config, layer_idx);
layer_new.bottom_z = layer_idx > 0 ? layer_z(slicing_params, config, layer_idx - 1) : 0;
layer_new.height = layer_new.print_z - layer_new.bottom_z;
return layer_new;
}
// Using the std::deque as an allocator.
inline SupportGeneratorLayer& layer_allocate_unguarded(
SupportGeneratorLayerStorage &layer_storage,
SupporLayerType layer_type,
const SlicingParameters &slicing_params,
const TreeSupportSettings &config,
size_t layer_idx)
{
SupportGeneratorLayer &layer = layer_storage.allocate_unguarded(layer_type);
return layer_initialize(layer, slicing_params, config, layer_idx);
}
inline SupportGeneratorLayer& layer_allocate(
SupportGeneratorLayerStorage &layer_storage,
SupporLayerType layer_type,
const SlicingParameters &slicing_params,
const TreeSupportSettings &config,
size_t layer_idx)
{
SupportGeneratorLayer &layer = layer_storage.allocate(layer_type);
return layer_initialize(layer, slicing_params, config, layer_idx);
}
// Used by generate_initial_areas() in parallel by multiple layers.
class InterfacePlacer {
public:
InterfacePlacer(
const SlicingParameters &slicing_parameters,
const SupportParameters &support_parameters,
const TreeSupportSettings &config,
SupportGeneratorLayerStorage &layer_storage,
SupportGeneratorLayersPtr &top_contacts,
SupportGeneratorLayersPtr &top_interfaces,
SupportGeneratorLayersPtr &top_base_interfaces)
:
slicing_parameters(slicing_parameters), support_parameters(support_parameters), config(config),
layer_storage(layer_storage), top_contacts(top_contacts), top_interfaces(top_interfaces), top_base_interfaces(top_base_interfaces)
{}
InterfacePlacer(const InterfacePlacer& rhs) :
slicing_parameters(rhs.slicing_parameters), support_parameters(rhs.support_parameters), config(rhs.config),
layer_storage(rhs.layer_storage), top_contacts(rhs.top_contacts), top_interfaces(rhs.top_interfaces), top_base_interfaces(rhs.top_base_interfaces)
{}
const SlicingParameters &slicing_parameters;
const SupportParameters &support_parameters;
const TreeSupportSettings &config;
SupportGeneratorLayersPtr& top_contacts_mutable() { return this->top_contacts; }
public:
// Insert the contact layer and some of the inteface and base interface layers below.
void add_roofs(std::vector<Polygons> &&new_roofs, const size_t insert_layer_idx)
{
if (! new_roofs.empty()) {
std::lock_guard<std::mutex> lock(m_mutex_layer_storage);
for (size_t idx = 0; idx < new_roofs.size(); ++ idx)
if (! new_roofs[idx].empty())
add_roof_unguarded(std::move(new_roofs[idx]), insert_layer_idx - idx, idx);
}
}
void add_roof(Polygons &&new_roof, const size_t insert_layer_idx, const size_t dtt_tip)
{
std::lock_guard<std::mutex> lock(m_mutex_layer_storage);
add_roof_unguarded(std::move(new_roof), insert_layer_idx, dtt_tip);
}
// called by sample_overhang_area()
void add_roof_build_plate(Polygons &&overhang_areas, size_t dtt_roof)
{
std::lock_guard<std::mutex> lock(m_mutex_layer_storage);
this->add_roof_unguarded(std::move(overhang_areas), 0, std::min(dtt_roof, this->support_parameters.num_top_interface_layers));
}
void add_roof_unguarded(Polygons &&new_roofs, const size_t insert_layer_idx, const size_t dtt_roof)
{
assert(support_parameters.has_top_contacts);
assert(dtt_roof <= support_parameters.num_top_interface_layers);
SupportGeneratorLayersPtr &layers =
dtt_roof == 0 ? this->top_contacts :
dtt_roof <= support_parameters.num_top_interface_layers_only() ? this->top_interfaces : this->top_base_interfaces;
SupportGeneratorLayer*& l = layers[insert_layer_idx];
if (l == nullptr)
l = &layer_allocate_unguarded(layer_storage, dtt_roof == 0 ? SupporLayerType::sltTopContact : SupporLayerType::sltTopInterface,
slicing_parameters, config, insert_layer_idx);
// will be unioned in finalize_interface_and_support_areas()
append(l->polygons, std::move(new_roofs));
}
private:
// Outputs
SupportGeneratorLayerStorage &layer_storage;
SupportGeneratorLayersPtr &top_contacts;
SupportGeneratorLayersPtr &top_interfaces;
SupportGeneratorLayersPtr &top_base_interfaces;
// Mutexes, guards
std::mutex m_mutex_layer_storage;
};
} // namespace TreeSupport3D
} // namespace slic3r