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Added unit test for calculation of 2D convex hull of sinking object

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enricoturri1966 2021-05-20 12:53:47 +02:00
parent a218e0ef18
commit f0ef5e409d
1 changed files with 40 additions and 0 deletions
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tests/libslic3r/test_3mf.cpp
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@ -85,3 +85,43 @@ SCENARIO("Export+Import geometry to/from 3mf file cycle", "[3mf]") {
}
}
}
SCENARIO("2D convex hull of sinking object", "[3mf]") {
GIVEN("model") {
// load a model
Model model;
std::string src_file = std::string(TEST_DATA_DIR) + "/test_3mf/Prusa.stl";
load_stl(src_file.c_str(), &model);
model.add_default_instances();
WHEN("model is rotated, scaled and set as sinking") {
ModelObject* object = model.objects[0];
object->center_around_origin(false);
// set instance's attitude so that it is rotated, scaled and sinking
ModelInstance* instance = object->instances[0];
instance->set_rotation(Y, -M_PI / 4.0);
instance->set_offset(Vec3d::Zero());
instance->set_scaling_factor({ 2.0, 2.0, 2.0 });
// calculate 2D convex hull
Polygon hull_2d = object->convex_hull_2d(instance->get_transformation().get_matrix());
// verify result
Points result = {
{ -4242641, -16299551 },
{ -4241, -19502998 },
{ 66824768, -19502998 },
{ 66824768, 19502998 },
{ -4244, 19502998 },
{ -4242640, -8537523 }
};
bool res = hull_2d.points == result;
THEN("2D convex hull should match with reference") {
REQUIRE(res);
}
}
}
}