268 lines
11 KiB
C++
268 lines
11 KiB
C++
#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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static int get_brim_tool(const std::string &gcode)
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{
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int brim_tool = -1;
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int tool = -1;
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GCodeReader parser;
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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", "[Skirt]") {
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DynamicPrintConfig config = Slic3r::DynamicPrintConfig::full_print_config();
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config.set_deserialize({
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{ "skirts", 1 },
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{ "skirt_height", 5 },
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{ "perimeters", 0 },
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{ "support_material_speed", 99 },
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// avoid altering speeds unexpectedly
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{ "cooling", false },
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{ "first_layer_speed", "100%" }
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});
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std::string gcode;
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SECTION("printing a single object") {
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gcode = Slic3r::Test::slice({TestMesh::cube_20x20x20}, config);
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}
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SECTION("printing multiple objects") {
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gcode = Slic3r::Test::slice({TestMesh::cube_20x20x20, TestMesh::cube_20x20x20}, config);
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}
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std::map<double, bool> layers_with_skirt;
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double support_speed = config.opt<Slic3r::ConfigOptionFloat>("support_material_speed")->value * MM_PER_MIN;
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GCodeReader parser;
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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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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", "[SkirtBrim]") {
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GIVEN("A default configuration") {
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DynamicPrintConfig config = Slic3r::DynamicPrintConfig::full_print_config();
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config.set_num_extruders(4);
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config.set_deserialize({
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{ "support_material_speed", 99 },
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{ "first_layer_height", 0.3 },
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{ "gcode_comments", true },
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// avoid altering speeds unexpectedly
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{ "cooling", false },
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{ "first_layer_speed", "100%" },
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// remove noise from top/solid layers
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{ "top_solid_layers", 0 },
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{ "bottom_solid_layers", 1 },
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{ "start_gcode", "T[initial_tool]\n" }
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});
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WHEN("Brim width is set to 5") {
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config.set_deserialize({
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{ "perimeters", 0 },
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{ "skirts", 0 },
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{ "brim_width", 5 }
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});
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THEN("Brim is generated") {
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std::string gcode = Slic3r::Test::slice({TestMesh::cube_20x20x20}, config);
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bool brim_generated = false;
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double support_speed = config.opt<Slic3r::ConfigOptionFloat>("support_material_speed")->value * MM_PER_MIN;
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Slic3r::GCodeReader parser;
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parser.parse_buffer(gcode, [&brim_generated, support_speed] (Slic3r::GCodeReader& self, const Slic3r::GCodeReader::GCodeLine& line) {
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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.set_deserialize({
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{ "skirts", 1 },
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{ "brim_width", 10}
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});
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THEN("Gcode generates") {
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REQUIRE(! Slic3r::Test::slice({TestMesh::cube_20x20x20}, config).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.set_deserialize({
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{ "skirts", 2 },
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{ "skirt_height", 0 }
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});
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THEN("Gcode generates") {
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REQUIRE(! Slic3r::Test::slice({TestMesh::cube_20x20x20}, config).empty());
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}
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}
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#if 0
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// This is a real error! One shall print the brim with the external perimeter extruder!
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WHEN("Perimeter extruder = 2 and support extruders = 3") {
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THEN("Brim is printed with the extruder used for the perimeters of first object") {
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config.set_deserialize({
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{ "skirts", 0 },
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{ "brim_width", 5 },
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{ "perimeter_extruder", 2 },
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{ "support_material_extruder", 3 },
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{ "infill_extruder", 4 }
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});
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std::string gcode = Slic3r::Test::slice({TestMesh::cube_20x20x20}, config);
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int tool = get_brim_tool(gcode);
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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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THEN("brim is printed with same extruder as skirt") {
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config.set_deserialize({
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{ "skirts", 0 },
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{ "brim_width", 5 },
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{ "perimeter_extruder", 2 },
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{ "support_material_extruder", 3 },
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{ "infill_extruder", 4 },
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{ "raft_layers", 1 }
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});
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std::string gcode = Slic3r::Test::slice({TestMesh::cube_20x20x20}, config);
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int tool = get_brim_tool(gcode);
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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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#endif
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WHEN("brim width to 1 with layer_width of 0.5") {
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config.set_deserialize({
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{ "skirts", 0 },
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{ "first_layer_extrusion_width", 0.5 },
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{ "brim_width", 1 }
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});
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THEN("2 brim lines") {
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Slic3r::Print print;
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Slic3r::Test::init_and_process_print({TestMesh::cube_20x20x20}, print, config);
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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.set_deserialize({
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{ "skirts", 0 },
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{ "first_layer_extrusion_width", 0.5 },
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{ "brim_width", 1 },
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{ "brim_ears", 1 },
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{ "brim_ears_max_angle", 91 }
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});
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Slic3r::Print print;
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Slic3r::Test::init_and_process_print({TestMesh::cube_20x20x20}, print, config);
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THEN("Four brim ears") {
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REQUIRE(print.brim().entities.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_deserialize({
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{ "skirts", 0 },
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{ "first_layer_extrusion_width", 0.5 },
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{ "brim_width", 1 },
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{ "brim_ears", 1 },
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{ "brim_ears_max_angle", 89 }
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});
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THEN("no brim") {
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Slic3r::Print print;
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Slic3r::Test::init_and_process_print({ TestMesh::cube_20x20x20 }, print, config);
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REQUIRE(print.brim().entities.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.set_deserialize({
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{ "layer_height", 0.4 },
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{ "first_layer_height", 0.4 },
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{ "skirts", 1 },
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{ "skirt_distance", 0 },
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{ "support_material_speed", 99 },
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{ "perimeter_extruder", 1 },
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{ "support_material_extruder", 2 },
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{ "infill_extruder", 3 }, // ensure that a tool command gets emitted.
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{ "cooling", false }, // to prevent speeds to be altered
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{ "first_layer_speed", "100%" }, // to prevent speeds to be altered
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{ "start_gcode", "T[initial_tool]\n" }
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});
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THEN("overhang generates?") {
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//FIXME does it make sense?
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REQUIRE(! Slic3r::Test::slice({TestMesh::overhang}, config).empty());
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}
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// config.set("support_material", true); // to prevent speeds to be altered
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#if 0
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// This test is not finished.
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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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std::string gcode = Slic3r::Test::slice({TestMesh::cube_20x20x20}, config);
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double support_speed = config.opt<ConfigOptionFloat>("support_material_speed")->value * MM_PER_MIN;
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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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GCodeReader parser;
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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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// 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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float 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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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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#endif
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}
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WHEN("Large minimum skirt length is used.") {
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config.set("min_skirt_length", 20);
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THEN("Gcode generation doesn't crash") {
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REQUIRE(! Slic3r::Test::slice({TestMesh::cube_20x20x20}, config).empty());
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}
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}
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}
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}
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