PrusaSlicer-NonPlainar/tests/fff_print/test_skirt_brim.cpp

264 lines
12 KiB
C++

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