3DPrinting/PrusaSlicer-NonPlainar
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Make the input mesh transformation consistent.

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Also add some comments
This commit is contained in:
tamasmeszaros 2021-08-16 11:29:09 +02:00
parent 11b994a702
commit 8b5a63eaf8
1 changed files with 25 additions and 21 deletions
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46
src/libslic3r/SLA/Rotfinder.cpp
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@ -105,7 +105,9 @@ inline double get_supportedness_score(const Facestats &fc)
float cosphi = fc.normal.dot(DOWN);
float phi = 1.f - std::acos(cosphi) / float(PI);
// Only consider faces that have slopes below 90 deg:
// Phi is raised by 1.0 to not be less than zero when squared in the next
// step. If phi is greater than 0.5 (slope is > 90 deg) make phi zero
// to not skip this face in the overall score.
phi = (1.f + phi) * (phi >= 0.5f);
// Make the huge slopes more significant than the smaller slopes
@ -285,6 +287,26 @@ std::array<double, N> find_min_score(Fn &&fn, It from, It to, StopCond &&stopfn)
} // namespace
// Assemble the mesh with the correct transformation to be used in rotation
// optimization.
TriangleMesh get_mesh_to_rotate(const ModelObject &mo)
{
TriangleMesh mesh = mo.raw_mesh();
mesh.require_shared_vertices();
ModelInstance *mi = mo.instances[0];
auto rotation = Vec3d::Zero();
auto offset = Vec3d::Zero();
Transform3d trafo_instance = Geometry::assemble_transform(offset,
rotation,
mi->get_scaling_factor(),
mi->get_mirror());
mesh.transform(trafo_instance);
return mesh;
}
Vec2d find_best_misalignment_rotation(const ModelObject & mo,
const RotOptimizeParams &params)
{
@ -295,8 +317,7 @@ Vec2d find_best_misalignment_rotation(const ModelObject & mo,
// We will use only one instance of this converted mesh to examine different
// rotations
TriangleMesh mesh = mo.raw_mesh();
mesh.require_shared_vertices();
TriangleMesh mesh = get_mesh_to_rotate(mo);
// To keep track of the number of iterations
int status = 0;
@ -352,17 +373,7 @@ Vec2d find_least_supports_rotation(const ModelObject & mo,
// We will use only one instance of this converted mesh to examine different
// rotations
TriangleMesh mesh = mo.raw_mesh();
mesh.require_shared_vertices();
ModelInstance* mi = mo.instances[0];
Vec3d rotation = mi->get_rotation();
Transform3d trafo_instance = Geometry::assemble_transform(mi->get_offset().z() * Vec3d::UnitZ(),
rotation,
mi->get_scaling_factor(),
mi->get_mirror());
mesh.transform(trafo_instance);
TriangleMesh mesh = get_mesh_to_rotate(mo);
// To keep track of the number of iterations
unsigned status = 0;
@ -430,13 +441,6 @@ Vec2d find_least_supports_rotation(const ModelObject & mo,
// Save the result
rot = result.optimum;
std::cout << "Score was: " << result.score << std::endl;
//auto rt = mo.instances[0]->get_rotation();
//double score = get_supportedness_score(mesh, to_transform3f({rt(0), rt(1)}));
// std::cout << "Score was: " << score << std::endl;
// rot[0] = rt(0);
// rot[1] = rt(1);
}
return {rot[0], rot[1]};