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Fix zero elevation support maneuvers and comment to clarify the alg.

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This commit is contained in:
tamasmeszaros 2020-01-10 11:31:30 +01:00
parent d0d73e6109
commit 45220e26c0
2 changed files with 49 additions and 32 deletions
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18
src/libslic3r/SLA/SupportTreeBuildsteps.hpp
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@ -20,6 +20,21 @@ inline Vec2d to_vec2(const Vec3d& v3) {
return {v3(X), v3(Y)};
}
inline std::pair<double, double> dir_to_spheric(const Vec3d &n, double norm = 1.)
{
double z = n.z();
double r = norm;
double polar = std::acos(z / r);
double azimuth = std::atan2(n(1), n(0));
return {polar, azimuth};
}
inline Vec3d spheric_to_dir(double polar, double azimuth)
{
return {std::cos(azimuth) * std::sin(polar),
std::sin(azimuth) * std::sin(polar), std::cos(polar)};
}
// This function returns the position of the centroid in the input 'clust'
// vector of point indices.
template<class DistFn>
@ -228,6 +243,9 @@ class SupportTreeBuildsteps {
// This is a proxy function for pillar creation which will mind the gap
// between the pad and the model bottom in zero elevation mode.
// jp is the starting junction point which needs to be routed down.
// sourcedir is the allowed direction of an optional bridge between the
// jp junction and the final pillar.
void create_ground_pillar(const Vec3d &jp,
const Vec3d &sourcedir,
double radius,