Slic3r/src/test/libslic3r/test_support_material.cpp
2018-11-26 21:24:33 +01:00

296 lines
9.8 KiB
C++

#include <catch.hpp>
#include <libslic3r/IO.hpp>
#include <libslic3r/GCodeReader.hpp>
#include "libslic3r.h"
#include "TriangleMesh.hpp"
#include "Model.hpp"
#include "SupportMaterial.hpp"
using namespace std;
using namespace Slic3r;
void test_1_checks(Print &print, bool &a, bool &b, bool &c, bool &d);
bool test_6_checks(Print &print);
// Testing 0.1: supports material member functions.
TEST_CASE("", "")
{
// Create a mesh & modelObject.
TriangleMesh mesh = TriangleMesh::make_cube(20, 20, 20);
// Create modelObject.
Model model = Model();
ModelObject *object = model.add_object();
object->add_volume(mesh);
model.add_default_instances();
// Align to origin.
model.align_instances_to_origin();
// Create Print.
Print print = Print();
vector<coordf_t> contact_z = {1.9};
vector<coordf_t> top_z = {1.1};
print.default_object_config.support_material = 1;
print.default_object_config.set_deserialize("raft_layers", "3");
print.add_model_object(model.objects[0]);
print.objects.front()->_slice();
SupportMaterial *support = print.objects.front()->_support_material();
support->generate(print.objects.front());
REQUIRE(print.objects.front()->support_layer_count() == 3);
}
// Test 1.
SCENARIO("SupportMaterial: support_layers_z and contact_distance")
{
GIVEN("A print object having one modelObject") {
// Create a mesh & modelObject.
TriangleMesh mesh = TriangleMesh::make_cube(20, 20, 20);
// Create modelObject.
Model model = Model();
ModelObject *object = model.add_object();
object->add_volume(mesh);
model.add_default_instances();
// Align to origin.
model.align_instances_to_origin();
// Create Print.
Print print = Print();
print.default_object_config.set_deserialize("support_material", "1");
WHEN("First layer height = 0.4") {
print.default_object_config.set_deserialize("layer_height", "0.2");
print.default_object_config.set_deserialize("first_layer_height", "0.4");
print.add_model_object(model.objects[0]);
print.objects.front()->_slice();
bool a, b, c, d;
test_1_checks(print, a, b, c, d);
THEN("First layer height is honored") {
REQUIRE(a == true);
}
THEN("No null or negative support layers") {
REQUIRE(b == true);
}
THEN("No layers thicker than nozzle diameter") {
REQUIRE(c == true);
}
THEN("Layers above top surfaces are spaced correctly") {
REQUIRE(d == true);
}
}
WHEN("Layer height = 0.2 and, first layer height = 0.3") {
print.default_object_config.set_deserialize("layer_height", "0.2");
print.default_object_config.set_deserialize("first_layer_height", "0.3");
print.add_model_object(model.objects[0]);
print.objects.front()->_slice();
bool a, b, c, d;
test_1_checks(print, a, b, c, d);
THEN("First layer height is honored") {
REQUIRE(a == true);
}
THEN("No null or negative support layers") {
REQUIRE(b == true);
}
THEN("No layers thicker than nozzle diameter") {
REQUIRE(c == true);
}
THEN("Layers above top surfaces are spaced correctly") {
REQUIRE(d == true);
}
}
WHEN("Layer height = nozzle_diameter[0]") {
print.default_object_config.set_deserialize("layer_height", "0.2");
print.default_object_config.set_deserialize("first_layer_height", "0.3");
print.add_model_object(model.objects[0]);
print.objects.front()->_slice();
bool a, b, c, d;
test_1_checks(print, a, b, c, d);
THEN("First layer height is honored") {
REQUIRE(a == true);
}
THEN("No null or negative support layers") {
REQUIRE(b == true);
}
THEN("No layers thicker than nozzle diameter") {
REQUIRE(c == true);
}
THEN("Layers above top surfaces are spaced correctly") {
REQUIRE(d == true);
}
}
}
}
// Test 8.
TEST_CASE("SupportMaterial: forced support is generated", "")
{
// Create a mesh & modelObject.
TriangleMesh mesh = TriangleMesh::make_cube(20, 20, 20);
Model model = Model();
ModelObject *object = model.add_object();
object->add_volume(mesh);
model.add_default_instances();
model.align_instances_to_origin();
Print print = Print();
vector<coordf_t> contact_z = {1.9};
vector<coordf_t> top_z = {1.1};
print.default_object_config.support_material_enforce_layers = 100;
print.default_object_config.support_material = 0;
print.default_object_config.layer_height = 0.2;
print.default_object_config.set_deserialize("first_layer_height", "0.3");
print.add_model_object(model.objects[0]);
print.objects.front()->_slice();
SupportMaterial *support = print.objects.front()->_support_material();
auto support_z = support->support_layers_z(contact_z, top_z, print.default_object_config.layer_height);
bool check = true;
for (size_t i = 1; i < support_z.size(); i++) {
if (support_z[i] - support_z[i - 1] <= 0)
check = false;
}
REQUIRE(check == true);
}
// Test 6.
SCENARIO("SupportMaterial: Checking bridge speed")
{
GIVEN("Print object") {
// Create a mesh & modelObject.
TriangleMesh mesh = TriangleMesh::make_cube(20, 20, 20);
Model model = Model();
ModelObject *object = model.add_object();
object->add_volume(mesh);
model.add_default_instances();
model.align_instances_to_origin();
Print print = Print();
print.config.brim_width = 0;
print.config.skirts = 0;
print.config.skirts = 0;
print.default_object_config.support_material = 1;
print.default_region_config.top_solid_layers = 0; // so that we don't have the internal bridge over infill.
print.default_region_config.bridge_speed = 99;
print.config.cooling = 0;
print.config.set_deserialize("first_layer_speed", "100%");
WHEN("support_material_contact_distance = 0.2") {
print.default_object_config.support_material_contact_distance = 0.2;
print.add_model_object(model.objects[0]);
bool check = test_6_checks(print);
REQUIRE(check == true); // bridge speed is used.
}
WHEN("support_material_contact_distance = 0") {
print.default_object_config.support_material_contact_distance = 0;
print.add_model_object(model.objects[0]);
bool check = test_6_checks(print);
REQUIRE(check == true); // bridge speed is not used.
}
WHEN("support_material_contact_distance = 0.2 & raft_layers = 5") {
print.default_object_config.support_material_contact_distance = 0.2;
print.default_object_config.raft_layers = 5;
print.add_model_object(model.objects[0]);
bool check = test_6_checks(print);
REQUIRE(check == true); // bridge speed is used.
}
WHEN("support_material_contact_distance = 0 & raft_layers = 5") {
print.default_object_config.support_material_contact_distance = 0;
print.default_object_config.raft_layers = 5;
print.add_model_object(model.objects[0]);
bool check = test_6_checks(print);
REQUIRE(check == true); // bridge speed is not used.
}
}
}
void test_1_checks(Print &print, bool &a, bool &b, bool &c, bool &d)
{
vector<coordf_t> contact_z = {1.9};
vector<coordf_t> top_z = {1.1};
SupportMaterial *support = print.objects.front()->_support_material();
vector<coordf_t>
support_z = support->support_layers_z(contact_z, top_z, print.default_object_config.layer_height);
a = (support_z[0] == print.default_object_config.first_layer_height.value);
b = true;
for (size_t i = 1; i < support_z.size(); ++i)
if (support_z[i] - support_z[i - 1] <= 0) b = false;
c = true;
for (size_t i = 1; i < support_z.size(); ++i)
if (support_z[i] - support_z[i - 1] > print.config.nozzle_diameter.get_at(0) + EPSILON)
c = false;
coordf_t expected_top_spacing = support
->contact_distance(print.default_object_config.layer_height,
print.config.nozzle_diameter.get_at(0));
bool wrong_top_spacing = 0;
for (coordf_t top_z_el : top_z) {
// find layer index of this top surface.
size_t layer_id = -1;
for (size_t i = 0; i < support_z.size(); i++) {
if (abs(support_z[i] - top_z_el) < EPSILON) {
layer_id = i;
i = static_cast<int>(support_z.size());
}
}
// check that first support layer above this top surface (or the next one) is spaced with nozzle diameter
if (abs(support_z[layer_id + 1] - support_z[layer_id] - expected_top_spacing) > EPSILON
&& abs(support_z[layer_id + 2] - support_z[layer_id] - expected_top_spacing) > EPSILON) {
wrong_top_spacing = 1;
}
}
d = !wrong_top_spacing;
}
// TODO
bool test_6_checks(Print &print)
{
bool has_bridge_speed = true;
// Pre-Processing.
PrintObject *print_object = print.objects.front();
print_object->infill();
SupportMaterial *support_material = print.objects.front()->_support_material();
support_material->generate(print_object);
// TODO but not needed in test 6 (make brims and make skirts).
// Exporting gcode.
// TODO validation found in Simple.pm
return has_bridge_speed;
}