264 lines
12 KiB
C++
264 lines
12 KiB
C++
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#include <catch2/catch.hpp>
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#include "libslic3r/GCodeReader.hpp"
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#include "libslic3r/Config.hpp"
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#include "libslic3r/Geometry.hpp"
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#include <boost/algorithm/string.hpp>
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#include "test_data.hpp" // get access to init_print, etc
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using namespace Slic3r::Test;
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using namespace Slic3r;
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/// Helper method to find the tool used for the brim (always the first extrusion)
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int get_brim_tool(std::string &gcode, Slic3r::GCodeReader& parser) {
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int brim_tool = -1;
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int tool = -1;
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parser.parse_buffer(gcode, [&tool, &brim_tool] (Slic3r::GCodeReader& self, const Slic3r::GCodeReader::GCodeLine& line)
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{
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// if the command is a T command, set the the current tool
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if (boost::starts_with(line.cmd(), "T")) {
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tool = atoi(line.cmd().data() + 1);
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} else if (line.cmd() == "G1" && line.extruding(self) && line.dist_XY(self) > 0 && brim_tool < 0) {
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brim_tool = tool;
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}
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});
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return brim_tool;
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}
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TEST_CASE("Skirt height is honored") {
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std::shared_ptr<Slic3r::DynamicPrintConfig> config(Slic3r::DynamicPrintConfig::new_from_defaults());
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config->opt_int("skirts") = 1;
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config->opt_int("skirt_height") = 5;
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config->opt_int("perimeters") = 0;
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config->opt_float("support_material_speed") = 99;
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// avoid altering speeds unexpectedly
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config->set_deserialize("cooling", "0");
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config->set_deserialize("first_layer_speed", "100%");
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auto support_speed = config->opt<Slic3r::ConfigOptionFloat>("support_material_speed")->value * MM_PER_MIN;
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std::map<double, bool> layers_with_skirt;
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std::string gcode;
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GCodeReader parser;
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Slic3r::Model model;
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SECTION("printing a single object") {
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auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
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gcode = Slic3r::Test::gcode(print);
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}
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SECTION("printing multiple objects") {
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auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20, TestMesh::cube_20x20x20}, model, config)};
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gcode = Slic3r::Test::gcode(print);
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}
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parser.parse_buffer(gcode, [&layers_with_skirt, &support_speed] (Slic3r::GCodeReader& self, const Slic3r::GCodeReader::GCodeLine& line)
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{
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if (line.extruding(self) && self.f() == Approx(support_speed)) {
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layers_with_skirt[self.z()] = 1;
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}
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});
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REQUIRE(layers_with_skirt.size() == (size_t)config->opt_int("skirt_height"));
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}
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SCENARIO("Original Slic3r Skirt/Brim tests", "[!mayfail]") {
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auto parser {Slic3r::GCodeReader()};
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Slic3r::Model model;
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std::string gcode;
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GIVEN("A default configuration") {
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std::shared_ptr<Slic3r::DynamicPrintConfig> config(Slic3r::DynamicPrintConfig::new_from_defaults());
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config->set_num_extruders(4);
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config->opt_float("support_material_speed") = 99;
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config->set_deserialize("first_layer_height", "0.3");
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config->set_deserialize("gcode_comments", "1");
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// avoid altering speeds unexpectedly
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config->set_deserialize("cooling", "0");
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config->set_deserialize("first_layer_speed", "100%");
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// remove noise from top/solid layers
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config->opt_int("top_solid_layers") = 0;
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config->opt_int("bottom_solid_layers") = 1;
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WHEN("Brim width is set to 5") {
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config->opt_int("perimeters") = 0;
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config->opt_int("skirts") = 0;
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config->opt_float("brim_width") = 5;
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THEN("Brim is generated") {
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auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
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gcode = Slic3r::Test::gcode(print);
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bool brim_generated = false;
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auto support_speed = config->opt<Slic3r::ConfigOptionFloat>("support_material_speed")->value * MM_PER_MIN;
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parser.parse_buffer(gcode, [&brim_generated, support_speed] (Slic3r::GCodeReader& self, const Slic3r::GCodeReader::GCodeLine& line)
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{
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if (self.z() == Approx(0.3) || line.new_Z(self) == Approx(0.3)) {
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if (line.extruding(self) && self.f() == Approx(support_speed)) {
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brim_generated = true;
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}
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}
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});
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REQUIRE(brim_generated);
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}
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}
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WHEN("Skirt area is smaller than the brim") {
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config->opt_int("skirts") = 1;
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config->opt_float("brim_width") = 10;
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auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
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THEN("Gcode generates") {
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REQUIRE(! Slic3r::Test::gcode(print).empty());
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}
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}
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WHEN("Skirt height is 0 and skirts > 0") {
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config->opt_int("skirts") = 2;
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config->opt_int("skirt_height") = 0;
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auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
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THEN("Gcode generates") {
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REQUIRE(! Slic3r::Test::gcode(print).empty());
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}
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}
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WHEN("Perimeter extruder = 2 and support extruders = 3") {
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config->opt_int("skirts") = 0;
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config->opt_float("brim_width") = 5;
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config->opt_int("perimeter_extruder") = 2;
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config->opt_int("support_material_extruder") = 3;
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THEN("Brim is printed with the extruder used for the perimeters of first object") {
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auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
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gcode = Slic3r::Test::gcode(print);
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int tool = get_brim_tool(gcode, parser);
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REQUIRE(tool == config->opt_int("perimeter_extruder") - 1);
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}
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}
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WHEN("Perimeter extruder = 2, support extruders = 3, raft is enabled") {
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config->opt_int("skirts") = 0;
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config->opt_float("brim_width") = 5;
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config->opt_int("perimeter_extruder") = 2;
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config->opt_int("support_material_extruder") = 3;
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config->opt_int("raft_layers") = 1;
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THEN("brim is printed with same extruder as skirt") {
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auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
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gcode = Slic3r::Test::gcode(print);
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int tool = get_brim_tool(gcode, parser);
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REQUIRE(tool == config->opt_int("support_material_extruder") - 1);
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}
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}
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WHEN("brim width to 1 with layer_width of 0.5") {
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config->opt_int("skirts") = 0;
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config->set_deserialize("first_layer_extrusion_width", "0.5");
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config->opt_float("brim_width") = 1;
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THEN("2 brim lines") {
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Slic3r::Model model;
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auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
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print->process();
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REQUIRE(print->brim().entities.size() == 2);
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}
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}
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#if 0
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WHEN("brim ears on a square") {
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config->opt_int("skirts") = 0);
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config->set_deserialize("first_layer_extrusion_width", "0.5");
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config->opt_float("brim_width") = 1;
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config->set("brim_ears", true);
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config->set("brim_ears_max_angle", 91);
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Slic3r::Model model;
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auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
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print->process();
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THEN("Four brim ears") {
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REQUIRE(print->brim.size() == 4);
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}
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}
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WHEN("brim ears on a square but with a too small max angle") {
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config->set("skirts", 0);
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config->set("first_layer_extrusion_width", 0.5);
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config->set("brim_width", 1);
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config->set("brim_ears", true);
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config->set("brim_ears_max_angle", 89);
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THEN("no brim") {
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Slic3r::Model model;
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auto print {Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config)};
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print->process();
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REQUIRE(print->brim.size() == 0);
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}
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}
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#endif
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WHEN("Object is plated with overhang support and a brim") {
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config->opt_float("layer_height") = 0.4;
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config->set_deserialize("first_layer_height", "0.4");
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config->opt_int("skirts") = 1;
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config->opt_float("skirt_distance") = 0;
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config->opt_float("support_material_speed") = 99;
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config->opt_int("perimeter_extruder") = 1;
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config->opt_int("support_material_extruder") = 2;
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config->opt_int("infill_extruder") = 3; // ensure that a tool command gets emitted.
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config->set_deserialize("cooling", "0"); // to prevent speeds to be altered
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config->set_deserialize("first_layer_speed", "100%"); // to prevent speeds to be altered
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Slic3r::Model model;
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auto print {Slic3r::Test::init_print({TestMesh::overhang}, model, config)};
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print->process();
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// config->set("support_material", true); // to prevent speeds to be altered
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THEN("skirt length is large enough to contain object with support") {
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CHECK(config->opt_bool("support_material")); // test is not valid if support material is off
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double skirt_length = 0.0;
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Points extrusion_points;
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int tool = -1;
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auto print = Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config);
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std::string gcode = Slic3r::Test::gcode(print);
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auto support_speed = config->opt<ConfigOptionFloat>("support_material_speed")->value * MM_PER_MIN;
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parser.parse_buffer(gcode, [config, &extrusion_points, &tool, &skirt_length, support_speed] (Slic3r::GCodeReader& self, const Slic3r::GCodeReader::GCodeLine& line)
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{
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// std::cerr << line.cmd() << "\n";
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if (boost::starts_with(line.cmd(), "T")) {
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tool = atoi(line.cmd().data() + 1);
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} else if (self.z() == Approx(config->opt<ConfigOptionFloat>("first_layer_height")->value)) {
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// on first layer
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if (line.extruding(self) && line.dist_XY(self) > 0) {
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auto speed = ( self.f() > 0 ? self.f() : line.new_F(self));
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// std::cerr << "Tool " << tool << "\n";
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if (speed == Approx(support_speed) && tool == config->opt_int("perimeter_extruder") - 1) {
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// Skirt uses first material extruder, support material speed.
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skirt_length += line.dist_XY(self);
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} else {
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extrusion_points.push_back(Slic3r::Point::new_scale(line.new_X(self), line.new_Y(self)));
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}
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}
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}
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if (self.z() == Approx(0.3) || line.new_Z(self) == Approx(0.3)) {
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if (line.extruding(self) && self.f() == Approx(support_speed)) {
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}
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}
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});
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Slic3r::Polygon convex_hull = Slic3r::Geometry::convex_hull(extrusion_points);
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double hull_perimeter = unscale<double>(convex_hull.split_at_first_point().length());
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REQUIRE(skirt_length > hull_perimeter);
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}
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}
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WHEN("Large minimum skirt length is used.") {
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config->opt_float("min_skirt_length") = 20;
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Slic3r::Model model;
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auto print = Slic3r::Test::init_print({TestMesh::cube_20x20x20}, model, config);
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THEN("Gcode generation doesn't crash") {
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REQUIRE(! Slic3r::Test::gcode(print).empty());
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}
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}
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}
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}
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