275 lines
12 KiB
C++
275 lines
12 KiB
C++
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#include <catch2/catch.hpp>
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#include <numeric>
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#include <sstream>
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#include "test_data.hpp" // get access to init_print, etc
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#include "libslic3r/Config.hpp"
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#include "libslic3r/GCode.hpp"
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#include "libslic3r/GCodeReader.hpp"
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#include "libslic3r/GCode/CoolingBuffer.hpp"
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#include "libslic3r/libslic3r.h"
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using namespace Slic3r;
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std::unique_ptr<CoolingBuffer> make_cooling_buffer(
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GCode &gcode,
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const DynamicPrintConfig &config = DynamicPrintConfig{},
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const std::vector<unsigned int> &extruder_ids = { 0 })
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{
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PrintConfig print_config;
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print_config.apply(config, true); // ignore_nonexistent
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gcode.apply_print_config(print_config);
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gcode.set_layer_count(10);
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gcode.writer().set_extruders(extruder_ids);
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gcode.writer().set_extruder(0);
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return std::make_unique<CoolingBuffer>(gcode);
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}
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SCENARIO("Cooling unit tests", "[Cooling]") {
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const std::string gcode1 = "G1 X100 E1 F3000\n";
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// 2 sec
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const double print_time1 = 100. / (3000. / 60.);
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const std::string gcode2 = gcode1 + "G1 X0 E1 F3000\n";
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// 4 sec
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const double print_time2 = 2. * print_time1;
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auto config = DynamicPrintConfig::full_print_config_with({
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// Default cooling settings.
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{ "bridge_fan_speed", "100" },
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{ "cooling", "1" },
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{ "fan_always_on", "0" },
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{ "fan_below_layer_time", "60" },
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{ "max_fan_speed", "100" },
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{ "min_print_speed", "10" },
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{ "slowdown_below_layer_time", "5" },
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// Default print speeds.
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{ "bridge_speed", 60 },
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{ "external_perimeter_speed", "50%" },
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{ "first_layer_speed", 30 },
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{ "gap_fill_speed", 20 },
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{ "infill_speed", 80 },
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{ "perimeter_speed", 60 },
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{ "small_perimeter_speed", 15 },
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{ "solid_infill_speed", 20 },
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{ "top_solid_infill_speed", 15 },
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{ "max_print_speed", 80 },
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// Override for tests.
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{ "disable_fan_first_layers", "0" }
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});
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WHEN("G-code block 3") {
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THEN("speed is not altered when elapsed time is greater than slowdown threshold") {
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// Print time of gcode.
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const double print_time = 100. / (3000. / 60.);
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//FIXME slowdown_below_layer_time is rounded down significantly from 1.8s to 1s.
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config.set_deserialize_strict({ { "slowdown_below_layer_time", { int(print_time * 0.999) } } });
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GCode gcodegen;
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auto buffer = make_cooling_buffer(gcodegen, config);
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std::string gcode = buffer->process_layer("G1 F3000;_EXTRUDE_SET_SPEED\nG1 X100 E1", 0, true);
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bool speed_not_altered = gcode.find("F3000") != gcode.npos;
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REQUIRE(speed_not_altered);
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}
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}
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WHEN("G-code block 4") {
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const std::string gcode_src =
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"G1 X50 F2500\n"
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"G1 F3000;_EXTRUDE_SET_SPEED\n"
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"G1 X100 E1\n"
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";_EXTRUDE_END\n"
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"G1 E4 F400";
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// Print time of gcode.
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const double print_time = 50. / (2500. / 60.) + 100. / (3000. / 60.) + 4. / (400. / 60.);
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config.set_deserialize_strict({ { "slowdown_below_layer_time", { int(print_time * 1.001) } } });
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GCode gcodegen;
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auto buffer = make_cooling_buffer(gcodegen, config);
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std::string gcode = buffer->process_layer(gcode_src, 0, true);
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THEN("speed is altered when elapsed time is lower than slowdown threshold") {
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bool speed_is_altered = gcode.find("F3000") == gcode.npos;
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REQUIRE(speed_is_altered);
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}
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THEN("speed is not altered for travel moves") {
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bool speed_not_altered = gcode.find("F2500") != gcode.npos;
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REQUIRE(speed_not_altered);
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}
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THEN("speed is not altered for extruder-only moves") {
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bool speed_not_altered = gcode.find("F400") != gcode.npos;
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REQUIRE(speed_not_altered);
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}
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}
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WHEN("G-code block 1") {
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THEN("fan is not activated when elapsed time is greater than fan threshold") {
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config.set_deserialize_strict({
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{ "fan_below_layer_time" , int(print_time1 * 0.88) },
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{ "slowdown_below_layer_time" , int(print_time1 * 0.99) }
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});
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GCode gcodegen;
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auto buffer = make_cooling_buffer(gcodegen, config);
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std::string gcode = buffer->process_layer(gcode1, 0, true);
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bool fan_not_activated = gcode.find("M106") == gcode.npos;
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REQUIRE(fan_not_activated);
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}
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}
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WHEN("G-code block 1 with two extruders") {
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config.set_deserialize_strict({
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{ "cooling", "1, 0" },
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{ "fan_below_layer_time", { int(print_time2 + 1.), int(print_time2 + 1.) } },
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{ "slowdown_below_layer_time", { int(print_time2 + 2.), int(print_time2 + 2.) } }
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});
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GCode gcodegen;
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auto buffer = make_cooling_buffer(gcodegen, config, { 0, 1 });
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std::string gcode = buffer->process_layer(gcode1 + "T1\nG1 X0 E1 F3000\n", 0, true);
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THEN("fan is activated for the 1st tool") {
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bool ok = gcode.find("M106") == 0;
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REQUIRE(ok);
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}
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THEN("fan is disabled for the 2nd tool") {
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bool ok = gcode.find("\nM107") > 0;
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REQUIRE(ok);
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}
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}
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WHEN("G-code block 2") {
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THEN("slowdown is computed on all objects printing at the same Z") {
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config.set_deserialize_strict({ { "slowdown_below_layer_time", int(print_time2 * 0.99) } });
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GCode gcodegen;
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auto buffer = make_cooling_buffer(gcodegen, config);
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std::string gcode = buffer->process_layer(gcode2, 0, true);
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bool ok = gcode.find("F3000") != gcode.npos;
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REQUIRE(ok);
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}
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THEN("fan is not activated on all objects printing at different Z") {
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config.set_deserialize_strict({
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{ "fan_below_layer_time", int(print_time2 * 0.65) },
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{ "slowdown_below_layer_time", int(print_time2 * 0.7) }
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});
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GCode gcodegen;
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auto buffer = make_cooling_buffer(gcodegen, config);
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// use an elapsed time which is < the threshold but greater than it when summed twice
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std::string gcode = buffer->process_layer(gcode2, 0, true) + buffer->process_layer(gcode2, 1, true);
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bool fan_not_activated = gcode.find("M106") == gcode.npos;
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REQUIRE(fan_not_activated);
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}
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THEN("fan is activated on all objects printing at different Z") {
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// use an elapsed time which is < the threshold even when summed twice
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config.set_deserialize_strict({
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{ "fan_below_layer_time", int(print_time2 + 1) },
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{ "slowdown_below_layer_time", int(print_time2 + 1) }
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});
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GCode gcodegen;
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auto buffer = make_cooling_buffer(gcodegen, config);
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// use an elapsed time which is < the threshold but greater than it when summed twice
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std::string gcode = buffer->process_layer(gcode2, 0, true) + buffer->process_layer(gcode2, 1, true);
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bool fan_activated = gcode.find("M106") != gcode.npos;
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REQUIRE(fan_activated);
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}
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}
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}
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SCENARIO("Cooling integration tests", "[Cooling]") {
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GIVEN("overhang") {
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auto config = Slic3r::DynamicPrintConfig::full_print_config_with({
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{ "cooling", { 1 } },
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{ "bridge_fan_speed", { 100 } },
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{ "fan_below_layer_time", { 0 } },
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{ "slowdown_below_layer_time", { 0 } },
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{ "bridge_speed", 99 },
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// internal bridges use solid_infil speed
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{ "bottom_solid_layers", 1 },
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// internal bridges use solid_infil speed
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});
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GCodeReader parser;
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int fan = 0;
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int fan_with_incorrect_speeds = 0;
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int fan_with_incorrect_print_speeds = 0;
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int bridge_with_no_fan = 0;
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const double bridge_speed = config.opt_float("bridge_speed") * 60;
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parser.parse_buffer(
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Slic3r::Test::slice({ Slic3r::Test::TestMesh::overhang }, config),
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[&fan, &fan_with_incorrect_speeds, &fan_with_incorrect_print_speeds, &bridge_with_no_fan, bridge_speed]
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(Slic3r::GCodeReader &self, const Slic3r::GCodeReader::GCodeLine &line)
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{
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if (line.cmd_is("M106")) {
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line.has_value('S', fan);
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if (fan != 255)
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++ fan_with_incorrect_speeds;
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} else if (line.cmd_is("M107")) {
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fan = 0;
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} else if (line.extruding(self) && line.dist_XY(self) > 0) {
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if (is_approx<double>(line.new_F(self), bridge_speed)) {
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if (fan != 255)
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++ bridge_with_no_fan;
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} else {
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if (fan != 0)
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++ fan_with_incorrect_print_speeds;
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}
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}
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});
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THEN("bridge fan speed is applied correctly") {
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REQUIRE(fan_with_incorrect_speeds == 0);
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}
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THEN("bridge fan is only turned on for bridges") {
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REQUIRE(fan_with_incorrect_print_speeds == 0);
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}
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THEN("bridge fan is turned on for all bridges") {
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REQUIRE(bridge_with_no_fan == 0);
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}
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}
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GIVEN("20mm cube") {
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auto config = Slic3r::DynamicPrintConfig::full_print_config_with({
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{ "cooling", { 1 } },
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{ "fan_below_layer_time", { 0 } },
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{ "slowdown_below_layer_time", { 10 } },
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{ "min_print_speed", { 0 } },
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{ "start_gcode", "" },
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{ "first_layer_speed", "100%" },
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{ "external_perimeter_speed", 99 }
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});
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GCodeReader parser;
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const double external_perimeter_speed = config.opt<ConfigOptionFloatOrPercent>("external_perimeter_speed")->value * 60;
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std::vector<double> layer_times;
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// z => 1
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std::map<coord_t, int> layer_external;
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parser.parse_buffer(
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Slic3r::Test::slice({ Slic3r::Test::TestMesh::cube_20x20x20 }, config),
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[&layer_times, &layer_external, external_perimeter_speed]
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(Slic3r::GCodeReader &self, const Slic3r::GCodeReader::GCodeLine &line)
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{
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if (line.cmd_is("G1")) {
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if (line.dist_Z(self) != 0) {
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layer_times.emplace_back(0.);
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layer_external[scaled<coord_t>(line.new_Z(self))] = 0;
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}
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double l = line.dist_XY(self);
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if (l == 0)
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l = line.dist_E(self);
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if (l == 0)
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l = line.dist_Z(self);
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if (l > 0.) {
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if (layer_times.empty())
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layer_times.emplace_back(0.);
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layer_times.back() += 60. * std::abs(l) / line.new_F(self);
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}
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if (line.has('F') && line.f() == external_perimeter_speed)
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++ layer_external[scaled<coord_t>(self.z())];
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}
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});
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THEN("slowdown_below_layer_time is honored") {
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// Account for some inaccuracies.
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const double slowdown_below_layer_time = config.opt<ConfigOptionInts>("slowdown_below_layer_time")->values.front() - 0.2;
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size_t minimum_time_honored = std::count_if(layer_times.begin(), layer_times.end(),
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[slowdown_below_layer_time](double t){ return t > slowdown_below_layer_time; });
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REQUIRE(minimum_time_honored == layer_times.size());
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}
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THEN("slowdown_below_layer_time does not alter external perimeters") {
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// Broken by Vojtech
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// check that all layers have at least one unaltered external perimeter speed
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// my $external = all { $_ > 0 } values %layer_external;
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// ok $external, '';
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}
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}
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}
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