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SoftFever
60ebbf7daa
The no-tower case was gated on there being no purge volume, but the SEMM flush matrix reads every configured slot and is nonzero even when only one filament is used, so the plater preview drew a tower the print would never contain.
356 lines
21 KiB
C++
356 lines
21 KiB
C++
#include <catch2/catch_all.hpp>
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#include "libslic3r/BoundingBox.hpp"
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#include "libslic3r/ClipperUtils.hpp"
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#include "libslic3r/GCode/WipeTower.hpp"
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#include "libslic3r/GCode/WipeTower2.hpp"
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#include "libslic3r/GCode/WipeTowerEstimate.hpp"
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#include "libslic3r/PrintConfig.hpp"
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#include <cmath>
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#include <numeric>
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#include <string>
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using namespace Slic3r;
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using Catch::Matchers::WithinAbs;
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// Rectangle wall, one nozzle, 100 mm3 prime volume on a 50 mm wide tower at 0.2 mm layers: one
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// purge is 10 mm of depth. The flush matrix is off here; the shipped-default case covers it.
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// Built as PresetBundle::full_config builds the GUI's: apply() creates each enum as a
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// ConfigOptionEnumGeneric, where full_print_config() would clone the static defaults'
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// ConfigOptionEnum<T>. The estimate has to read either.
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static DynamicPrintConfig preset_shaped_defaults()
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{
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DynamicPrintConfig config;
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config.apply(FullPrintConfig::defaults());
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return config;
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}
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static DynamicPrintConfig make_config(const char *wall_type = "rectangle")
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{
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DynamicPrintConfig config = preset_shaped_defaults();
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config.set_key_value("prime_tower_width", new ConfigOptionFloat(50.));
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config.set_key_value("prime_volume", new ConfigOptionFloat(100.));
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config.set_key_value("filament_prime_volume", new ConfigOptionFloats({100.}));
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config.set_key_value("filament_adhesiveness_category", new ConfigOptionInts({0}));
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config.set_key_value("prime_tower_infill_gap", new ConfigOptionPercent(100.));
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config.set_key_value("wipe_tower_extra_spacing", new ConfigOptionPercent(100.));
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config.set_key_value("prime_tower_brim_width", new ConfigOptionFloat(3.));
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config.set_deserialize_strict("wipe_tower_wall_type", wall_type);
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config.set_key_value("wipe_tower_rib_width", new ConfigOptionFloat(8.));
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config.set_key_value("wipe_tower_extra_rib_length", new ConfigOptionFloat(0.));
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config.set_key_value("nozzle_diameter", new ConfigOptionFloats({0.4}));
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config.set_key_value("initial_layer_print_height", new ConfigOptionFloat(0.2));
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config.set_deserialize_strict("timelapse_type", "0");
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config.set_key_value("enable_wrapping_detection", new ConfigOptionBool(false));
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config.set_key_value("raft_layers", new ConfigOptionInt(0));
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config.set_key_value("purge_in_prime_tower", new ConfigOptionBool(false));
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config.set_key_value("single_extruder_multi_material", new ConfigOptionBool(false));
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return config;
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}
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static std::vector<unsigned int> filaments(size_t count)
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{
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std::vector<unsigned int> ids(count);
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std::iota(ids.begin(), ids.end(), 0u);
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return ids;
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}
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// The first `count` filaments on the given planner; Type2 unless a case says otherwise.
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static WipeTowerFootprint estimate(const ConfigBase &config, size_t count, double layer_height, double height, WipeTowerType type = WipeTowerType::Type2)
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{
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return estimate_wipe_tower_footprint(config, type, filaments(count), layer_height, height);
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}
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// What both planners print for a 3 mm brim at 0.4 nozzle and 0.2 first layer (0.4571 mm loops).
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static double printed_brim(double configured, WipeTowerType type)
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{
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return WipeTower::estimate_brim_real_width(float(configured), 0.4f, 0.2f, type == WipeTowerType::Type2);
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}
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TEST_CASE("A rectangle wall tower is sized by the purge volume", "[WipeTowerEstimate]") {
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const DynamicPrintConfig config = make_config();
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// Three filaments purge twice per layer; a 5 mm object keeps the stability floor at 5 mm.
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const WipeTowerFootprint fp = estimate(config, 3, 0.2, 5.);
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CHECK_THAT(fp.width, WithinAbs(50., 1e-9));
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CHECK_THAT(fp.depth, WithinAbs(20., 1e-9));
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CHECK_THAT(fp.height, WithinAbs(5., 1e-9));
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CHECK_THAT(fp.brim_width, WithinAbs(printed_brim(3., WipeTowerType::Type2), 1e-6));
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// Thinner layers need more depth for the same volume.
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CHECK_THAT(estimate(config, 3, 0.1, 5.).depth, WithinAbs(40., 1e-9));
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}
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TEST_CASE("Each planner spaces its purge lines by its own option", "[WipeTowerEstimate]") {
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// Type2 reads wipe_tower_extra_spacing and Type1 prime_tower_infill_gap; neither sees the
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// other's key. Type2's extra flow cancels out of its depth.
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DynamicPrintConfig config = make_config();
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config.set_key_value("wipe_tower_extra_flow", new ConfigOptionPercent(250.));
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CHECK_THAT(estimate(config, 3, 0.2, 5.).depth, WithinAbs(20., 1e-9));
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config.set_key_value("wipe_tower_extra_spacing", new ConfigOptionPercent(150.));
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CHECK_THAT(estimate(config, 3, 0.2, 5.).depth, WithinAbs(30., 1e-9));
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const double type1_spaced = estimate(config, 3, 0.2, 5., WipeTowerType::Type1).depth;
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config.set_key_value("prime_tower_infill_gap", new ConfigOptionPercent(150.));
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CHECK_THAT(estimate(config, 3, 0.2, 5.).depth, WithinAbs(30., 1e-9));
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// Type1 stacks whole lines behind one 0.5 mm perimeter width, so only the stack scales.
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CHECK_THAT(estimate(config, 3, 0.2, 5., WipeTowerType::Type1).depth - 0.5, WithinAbs(1.5 * (type1_spaced - 0.5), 1e-6));
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}
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TEST_CASE("Type1 sizes the tower from each filament's own prime volume", "[WipeTowerEstimate]") {
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// The Bambu P1S project of the WipeTower cases: 30 and 45 mm3 in two categories on a 35 mm
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// tower at 0.21 mm, 150 % gap, is 18.5 mm of stacked blocks (11 mm sharing one category).
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DynamicPrintConfig config = make_config();
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config.set_key_value("prime_tower_width", new ConfigOptionFloat(35.));
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config.set_key_value("prime_tower_infill_gap", new ConfigOptionPercent(150.));
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config.set_key_value("initial_layer_print_height", new ConfigOptionFloat(0.21));
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config.set_key_value("filament_prime_volume", new ConfigOptionFloats({30., 45.}));
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config.set_key_value("filament_adhesiveness_category", new ConfigOptionInts({100, 0}));
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const std::vector<WipeTower::PurgeEstimate> purges{{30.f, 100}, {45.f, 0}};
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const double blocks = WipeTower::estimate_tower_blocks_depth(purges, 35.f, 0.21f, 0.4f, 1.5f);
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REQUIRE_THAT(blocks, WithinAbs(18.5, 0.01));
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CHECK_THAT(estimate(config, 2, 0.21, 5., WipeTowerType::Type1).depth, WithinAbs(blocks, 1e-4));
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// The ids pick the volumes, so their order does not matter and a lone filament has no purge.
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CHECK_THAT(estimate_wipe_tower_footprint(config, WipeTowerType::Type1, {1, 0}, 0.21, 5.).depth, WithinAbs(blocks, 1e-4));
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CHECK_THAT(estimate(config, 1, 0.21, 5., WipeTowerType::Type1).depth, WithinAbs(0., 1e-9));
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config.set_key_value("filament_adhesiveness_category", new ConfigOptionInts({0, 0}));
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CHECK_THAT(estimate(config, 2, 0.21, 5., WipeTowerType::Type1).depth, WithinAbs(11., 0.01));
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// A rib wall squares the same stack.
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config.set_deserialize_strict("wipe_tower_wall_type", "rib");
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const WipeTowerFootprint rib = estimate(config, 2, 0.21, 5., WipeTowerType::Type1);
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CHECK_THAT(rib.width, WithinAbs(rib.depth, 1e-9));
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CHECK_THAT(rib.depth, WithinAbs(WipeTower::estimate_rib_tower_bbox_side({{30.f, 0}, {45.f, 0}}, 35.f, 0.21f, 0.4f, 1.5f, 8.f, 0.f, 5.f), 1e-4));
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}
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TEST_CASE("A second nozzle adds the ramming of one nozzle change per layer", "[WipeTowerEstimate]") {
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// Two filaments on two nozzles: the tool order crosses once per layer, and Type1 rams 10 mm
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// of filament as three 1.0 mm nozzle-change lines (see the WipeTower case).
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DynamicPrintConfig config = make_config();
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config.set_key_value("nozzle_diameter", new ConfigOptionFloats({0.4, 0.4}));
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config.set_key_value("filament_change_length", new ConfigOptionFloats({10., 10.}));
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config.set_key_value("filament_diameter", new ConfigOptionFloats({1.75, 1.75}));
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config.set_key_value("filament_map", new ConfigOptionInts({1, 1}));
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const double same_nozzle = estimate(config, 2, 0.2, 5., WipeTowerType::Type1).depth;
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config.set_key_value("filament_map", new ConfigOptionInts({1, 2}));
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CHECK_THAT(estimate(config, 2, 0.2, 5., WipeTowerType::Type1).depth - same_nozzle, WithinAbs(3., 1e-4));
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}
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TEST_CASE("The tower is sized for the first layer when it is the thinnest", "[WipeTowerEstimate]") {
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// Both planners reserve the worst layer: a 0.28 mm print with a 0.2 mm first layer needs
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// the 0.2 mm depth, while a thicker first layer changes nothing.
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DynamicPrintConfig config = make_config();
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const double at_thinnest = estimate(config, 3, 0.2, 5.).depth;
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CHECK_THAT(estimate(config, 3, 0.28, 5.).depth, WithinAbs(at_thinnest, 1e-9));
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config.set_key_value("initial_layer_print_height", new ConfigOptionFloat(0.3));
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CHECK(estimate(config, 3, 0.28, 5.).depth < at_thinnest);
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}
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TEST_CASE("Object height sets the stability floor and the auto brim", "[WipeTowerEstimate]") {
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DynamicPrintConfig config = make_config();
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// Two filaments purge once: 10 mm, lifted to the 20 mm floor of a 100 mm tower.
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CHECK_THAT(estimate(config, 2, 0.2, 100.).depth, WithinAbs(20., 1e-9));
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config.set_key_value("prime_tower_brim_width", new ConfigOptionFloat(-1.));
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const double auto_brim = WipeTower::get_auto_brim_by_height(50.f);
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CHECK_THAT(estimate(config, 2, 0.2, 50.).brim_width, WithinAbs(printed_brim(auto_brim, WipeTowerType::Type2), 1e-6));
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CHECK_THAT(estimate(config, 2, 0.2, 50., WipeTowerType::Type1).brim_width, WithinAbs(printed_brim(auto_brim, WipeTowerType::Type1), 1e-6));
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}
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TEST_CASE("A single filament only gets a tower when one is printed anyway", "[WipeTowerEstimate]") {
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DynamicPrintConfig config = make_config();
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CHECK_THAT(estimate(config, 1, 0.2, 100.).depth, WithinAbs(0., 1e-9));
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CHECK_THAT(estimate(config, 0, 0.2, 100.).width, WithinAbs(0., 1e-9));
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// Wrapping detection prints a tower on the first layers whatever the filament count: the
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// Type1 planner's fixed 10 mm, the stability floor otherwise.
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config.set_key_value("enable_wrapping_detection", new ConfigOptionBool(true));
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CHECK_THAT(estimate(config, 1, 0.2, 100.).depth, WithinAbs(20., 1e-9));
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CHECK_THAT(estimate(config, 1, 0.2, 100., WipeTowerType::Type1).depth, WithinAbs(WipeTower::get_wrapping_detection_depth(), 1e-9));
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config.set_key_value("enable_wrapping_detection", new ConfigOptionBool(false));
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// A raft is not one of them: normalize_fdm_2 clears enable_prime_tower for a plate that
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// purges one filament unless smooth timelapse or wrapping detection is on, so a raft
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// alone leaves no tower to reserve for.
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config.set_key_value("raft_layers", new ConfigOptionInt(3));
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CHECK_THAT(estimate(config, 1, 0.2, 100.).depth, WithinAbs(0., 1e-9));
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config.set_key_value("raft_layers", new ConfigOptionInt(0));
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config.set_deserialize_strict("timelapse_type", "1");
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// A tower printed with no tool change is exactly the planner's idle depth: there is
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// nothing to purge, and WipeTower2 sizes it at the stability floor.
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CHECK_THAT(estimate(config, 1, 0.2, 100.).depth, WithinAbs(20., 1e-9));
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CHECK_THAT(estimate(config, 1, 0.2, 5.).depth, WithinAbs(WipeTower::get_limit_depth_by_height(5.f), 1e-9));
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}
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TEST_CASE("A tool change reserves a tower even with nothing to purge", "[WipeTowerEstimate]") {
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// The purge volumes are configurable down to zero, but the tool changes are still printed
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// on the tower and both planners still floor it - so the estimate has to floor it too.
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// Type1 plans per filament and already reserves one; Type2 has only the volume to go on.
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const double height = GENERATE(5., 100.);
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const float floor = WipeTower::get_limit_depth_by_height(float(height));
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const char *wall = GENERATE("rectangle", "rib");
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DynamicPrintConfig config = make_config(wall);
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config.set_key_value("prime_volume", new ConfigOptionFloat(0.));
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config.set_key_value("filament_prime_volume", new ConfigOptionFloats({0.}));
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CHECK(estimate(config, 3, 0.2, height, WipeTowerType::Type2).depth >= floor);
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CHECK(estimate(config, 3, 0.2, height, WipeTowerType::Type1).depth >= floor);
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// Still nothing for a lone filament with no other reason.
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CHECK_THAT(estimate(config, 1, 0.2, height, WipeTowerType::Type2).depth, WithinAbs(0., 1e-9));
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CHECK_THAT(estimate(config, 1, 0.2, height, WipeTowerType::Type1).depth, WithinAbs(0., 1e-9));
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}
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TEST_CASE("Both wall types agree on whether there is a tower at all", "[WipeTowerEstimate]") {
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// A wall type may only change the shape of the tower, never whether one is reserved:
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// reporting no tower for one that is built collapses the validation hull to a point.
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const double height = GENERATE(5., 100.);
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DynamicPrintConfig rect = make_config();
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DynamicPrintConfig rib = make_config("rib");
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// No tool change and nothing else that prints a tower - neither wall type reserves one.
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CHECK_THAT(estimate(rect, 1, 0.2, height).depth, WithinAbs(0., 1e-9));
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CHECK_THAT(estimate(rib, 1, 0.2, height).depth, WithinAbs(0., 1e-9));
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// Not even on a dual-nozzle printer, where a lone filament still needs no purge.
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rect.set_key_value("nozzle_diameter", new ConfigOptionFloats({0.4, 0.4}));
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rib.set_key_value("nozzle_diameter", new ConfigOptionFloats({0.4, 0.4}));
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CHECK_THAT(estimate(rect, 1, 0.2, height).depth, WithinAbs(0., 1e-9));
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CHECK_THAT(estimate(rib, 1, 0.2, height).depth, WithinAbs(0., 1e-9));
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// With a tool change both reserve one, and both respect the stability floor.
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CHECK(estimate(rect, 2, 0.2, height).depth >= WipeTower::get_limit_depth_by_height(float(height)));
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CHECK(estimate(rib, 2, 0.2, height).depth >= WipeTower::get_limit_depth_by_height(float(height)));
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}
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TEST_CASE("A rib wall squares the tower and caps the rib width", "[WipeTowerEstimate]") {
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DynamicPrintConfig config = make_config("rib");
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// sqrt(200 / 0.2) = 31.62 mm square, plus the 8 mm rib bulge along the diagonal.
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const double body = std::sqrt(1000.);
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WipeTowerFootprint fp = estimate(config, 3, 0.2, 5.);
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CHECK_THAT(fp.depth, WithinAbs(8. / std::sqrt(2.) + body, 1e-5));
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CHECK_THAT(fp.width, WithinAbs(fp.depth, 1e-9));
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// The extra rib length runs along the diagonal and grows the footprint by its projection.
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config.set_key_value("wipe_tower_extra_rib_length", new ConfigOptionFloat(4.));
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CHECK_THAT(estimate(config, 3, 0.2, 5.).depth, WithinAbs((8. + 4.) / std::sqrt(2.) + body, 1e-5));
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// A tiny tower caps the rib width at half its depth: 5 mm body, 2.5 mm rib.
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config.set_key_value("wipe_tower_extra_rib_length", new ConfigOptionFloat(0.));
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config.set_key_value("prime_volume", new ConfigOptionFloat(5.));
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CHECK_THAT(estimate(config, 2, 0.2, 5.).depth, WithinAbs(2.5 / std::sqrt(2.) + 5., 1e-5));
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}
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TEST_CASE("Every wall and tower type is read the same from a preset and a static config", "[WipeTowerEstimate]") {
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// The GUI, arrange and the CLI pass a DynamicPrintConfig whose enums are
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// ConfigOptionEnumGeneric; Print passes a static config whose enums are ConfigOptionEnum<T>.
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// Both the wall type and the planner selection are read by value, so both give the same shape.
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const char *wall_type = GENERATE("rectangle", "cone", "rib");
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const char *tower_type = GENERATE("type1", "type2");
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DynamicPrintConfig preset = make_config(wall_type);
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preset.set_deserialize_strict("wipe_tower_type", tower_type);
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REQUIRE(dynamic_cast<const ConfigOptionEnumGeneric *>(preset.option("wipe_tower_wall_type")) != nullptr);
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FullPrintConfig static_config;
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static_config.apply(preset, true);
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REQUIRE(static_config.wipe_tower_wall_type.serialize() == wall_type);
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REQUIRE(static_config.wipe_tower_type.serialize() == tower_type);
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const WipeTowerType type = resolve_wipe_tower_type(preset);
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CHECK(type == (std::string(tower_type) == "type1" ? WipeTowerType::Type1 : WipeTowerType::Type2));
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CHECK(resolve_wipe_tower_type(static_config) == type);
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// Three filaments purge twice per layer on a 5 mm object.
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const WipeTowerFootprint fp = estimate(preset, 3, 0.2, 5., type);
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const WipeTowerFootprint from_static = estimate(static_config, 3, 0.2, 5., type);
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CHECK(fp.depth > 0.);
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if (std::string(wall_type) == "rib")
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CHECK_THAT(fp.width, WithinAbs(fp.depth, 1e-9));
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else
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CHECK_THAT(fp.width, WithinAbs(50., 1e-9));
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CHECK_THAT(from_static.width, WithinAbs(fp.width, 1e-9));
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CHECK_THAT(from_static.depth, WithinAbs(fp.depth, 1e-9));
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CHECK_THAT(from_static.brim_width, WithinAbs(fp.brim_width, 1e-9));
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// Smooth timelapse is the other enum the estimate reads: a lone filament gets a tower
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// through both storages too.
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preset.set_deserialize_strict("timelapse_type", "1");
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static_config.apply(preset, true);
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CHECK(estimate(preset, 1, 0.2, 5., type).depth > 0.);
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CHECK(estimate(static_config, 1, 0.2, 5., type).depth > 0.);
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}
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TEST_CASE("The first-layer outline bulges only for a Type2 cone wall", "[WipeTowerEstimate]") {
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// Read off a preset-shaped config, whose enums are ConfigOptionEnumGeneric: a cast to
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// ConfigOptionEnum<T> sees no wall type there and would never find the cone.
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DynamicPrintConfig config = make_config("cone");
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config.set_key_value("wipe_tower_cone_angle", new ConfigOptionFloat(25.));
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REQUIRE(dynamic_cast<const ConfigOptionEnumGeneric *>(config.option("wipe_tower_wall_type")) != nullptr);
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const Polygon box = Polygon::new_scale({{0., 0.}, {35., 0.}, {35., 20.}, {0., 20.}});
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auto is_box = [&box](const Polygon &outline) { return diff(Polygons{outline}, Polygons{box}).empty(); };
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// A 25-degree cone on a 100 mm tower has a 22 mm base radius, past the 10 mm half-depth.
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const Polygon cone = estimate_wipe_tower_first_layer_outline(config, WipeTowerType::Type2, 35., 20., 100.);
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CHECK(unscaled(get_extents(cone).max.y()) > 20. + 1.);
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CHECK(diff(Polygons{box}, Polygons{cone}).empty());
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// Type1 ignores the cone option, and the other wall types have no cone.
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CHECK(is_box(estimate_wipe_tower_first_layer_outline(config, WipeTowerType::Type1, 35., 20., 100.)));
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for (const char *wall_type : {"rectangle", "rib"}) {
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config.set_deserialize_strict("wipe_tower_wall_type", wall_type);
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CHECK(is_box(estimate_wipe_tower_first_layer_outline(config, WipeTowerType::Type2, 35., 20., 100.)));
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}
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// The static config Print holds gives the same outline.
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config.set_deserialize_strict("wipe_tower_wall_type", "cone");
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FullPrintConfig static_config;
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static_config.apply(config, true);
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const Polygon from_static = estimate_wipe_tower_first_layer_outline(static_config, WipeTowerType::Type2, 35., 20., 100.);
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CHECK(from_static.points == cone.points);
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}
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TEST_CASE("A Bambu Lab printer always gets the Type1 planner", "[WipeTowerEstimate]") {
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DynamicPrintConfig config = make_config();
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config.set_deserialize_strict("wipe_tower_type", "type2");
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config.set_key_value("printer_model", new ConfigOptionString("Bambu Lab X1 Carbon"));
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CHECK(resolve_wipe_tower_type(config) == WipeTowerType::Type1);
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config.set_key_value("printer_model", new ConfigOptionString("Voron 2.4"));
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CHECK(resolve_wipe_tower_type(config) == WipeTowerType::Type2);
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config.erase("wipe_tower_type");
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CHECK(resolve_wipe_tower_type(config) == WipeTowerType::Type2);
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}
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TEST_CASE("A dual nozzle purges every filament plus the filament change", "[WipeTowerEstimate]") {
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DynamicPrintConfig config = make_config();
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config.set_key_value("nozzle_diameter", new ConfigOptionFloats({0.4, 0.4}));
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config.set_key_value("filament_change_length", new ConfigOptionFloats({10., 10.}));
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config.set_key_value("filament_diameter", new ConfigOptionFloats({1.75, 1.75}));
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// Two purges of 100 mm3 plus one 10 mm filament change: (200 + 10 * pi * 1.75^2 / 4) / (0.2 * 50).
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const double change_volume = 10. * PI * 1.75 * 1.75 / 4.;
|
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CHECK_THAT(estimate(config, 2, 0.2, 5.).depth, WithinAbs((200. + change_volume) / 10., 1e-9));
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}
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|
|
|
TEST_CASE("The shipped defaults size the tower from the flush matrix", "[WipeTowerEstimate]") {
|
|
// Both keys default to true, so the shipped configuration purges the flush volumes rather
|
|
// than the prime volume, with no infill gap on top - the flush volumes already hold it.
|
|
DynamicPrintConfig config = preset_shaped_defaults();
|
|
REQUIRE(config.opt_bool("purge_in_prime_tower"));
|
|
REQUIRE(config.opt_bool("single_extruder_multi_material"));
|
|
config.set_key_value("prime_tower_width", new ConfigOptionFloat(50.));
|
|
config.set_deserialize_strict("wipe_tower_wall_type", "rectangle");
|
|
config.set_key_value("nozzle_diameter", new ConfigOptionFloats({0.4}));
|
|
|
|
const double flush_volume = WipeTower2::estimate_semm_flush_volume(config, 2);
|
|
const double expected = std::max(double(WipeTower::get_limit_depth_by_height(5.f)), flush_volume / (0.2 * 50.));
|
|
CHECK_THAT(estimate(config, 2, 0.2, 5.).depth, WithinAbs(expected, 1e-6));
|
|
|
|
// The flush volume is nonzero for one slot, but a lone filament makes no tool change.
|
|
REQUIRE(WipeTower2::estimate_semm_flush_volume(config, 1) > 0.);
|
|
CHECK_THAT(estimate(config, 1, 0.2, 5.).depth, WithinAbs(0., 1e-9));
|
|
}
|
|
|
|
TEST_CASE("A config missing a tower key falls back to that key's default", "[WipeTowerEstimate]") {
|
|
// The signature takes any ConfigBase: an absent key must read as its declared default.
|
|
const DynamicPrintConfig full = make_config();
|
|
DynamicPrintConfig partial = full;
|
|
partial.erase("wipe_tower_extra_spacing");
|
|
REQUIRE(partial.option("wipe_tower_extra_spacing") == nullptr);
|
|
|
|
DynamicPrintConfig defaulted = full;
|
|
defaulted.set_key_value("wipe_tower_extra_spacing",
|
|
print_config_def.get("wipe_tower_extra_spacing")->default_value->clone());
|
|
CHECK_THAT(estimate(partial, 3, 0.2, 5.).depth, WithinAbs(estimate(defaulted, 3, 0.2, 5.).depth, 1e-9));
|
|
}
|