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Get rid of Contour3D
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tamasmeszaros
parent
e6f97358bc
commit
8fdb0fddc0
13 changed files with 86 additions and 294 deletions
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@ -1,149 +0,0 @@
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#include <libslic3r/SLA/Contour3D.hpp>
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#include <libslic3r/SLA/IndexedMesh.hpp>
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#include <libslic3r/Format/objparser.hpp>
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namespace Slic3r { namespace sla {
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Contour3D::Contour3D(const TriangleMesh &trmesh)
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{
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points.reserve(trmesh.its.vertices.size());
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faces3.reserve(trmesh.its.indices.size());
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for (auto &v : trmesh.its.vertices)
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points.emplace_back(v.cast<double>());
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std::copy(trmesh.its.indices.begin(), trmesh.its.indices.end(),
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std::back_inserter(faces3));
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}
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Contour3D::Contour3D(TriangleMesh &&trmesh)
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{
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points.reserve(trmesh.its.vertices.size());
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for (auto &v : trmesh.its.vertices)
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points.emplace_back(v.cast<double>());
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faces3.swap(trmesh.its.indices);
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}
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Contour3D::Contour3D(const IndexedMesh &emesh) {
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points.reserve(emesh.vertices().size());
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faces3.reserve(emesh.indices().size());
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for (const Vec3f& vert : emesh.vertices())
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points.emplace_back(vert.cast<double>());
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for (const auto& ind : emesh.indices())
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faces3.emplace_back(ind);
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}
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Contour3D &Contour3D::merge(const Contour3D &ctr)
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{
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auto N = coord_t(points.size());
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auto N_f3 = faces3.size();
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auto N_f4 = faces4.size();
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points.insert(points.end(), ctr.points.begin(), ctr.points.end());
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faces3.insert(faces3.end(), ctr.faces3.begin(), ctr.faces3.end());
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faces4.insert(faces4.end(), ctr.faces4.begin(), ctr.faces4.end());
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for(size_t n = N_f3; n < faces3.size(); n++) {
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auto& idx = faces3[n]; idx.x() += N; idx.y() += N; idx.z() += N;
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}
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for(size_t n = N_f4; n < faces4.size(); n++) {
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auto& idx = faces4[n]; for (int k = 0; k < 4; k++) idx(k) += N;
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}
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return *this;
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}
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Contour3D &Contour3D::merge(const Pointf3s &triangles)
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{
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const size_t offs = points.size();
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points.insert(points.end(), triangles.begin(), triangles.end());
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faces3.reserve(faces3.size() + points.size() / 3);
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for(int i = int(offs); i < int(points.size()); i += 3)
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faces3.emplace_back(i, i + 1, i + 2);
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return *this;
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}
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void Contour3D::to_obj(std::ostream &stream)
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{
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for(auto& p : points)
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stream << "v " << p.transpose() << "\n";
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for(auto& f : faces3)
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stream << "f " << (f + Vec3i(1, 1, 1)).transpose() << "\n";
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for(auto& f : faces4)
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stream << "f " << (f + Vec4i(1, 1, 1, 1)).transpose() << "\n";
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}
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void Contour3D::from_obj(std::istream &stream)
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{
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ObjParser::ObjData data;
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ObjParser::objparse(stream, data);
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points.reserve(data.coordinates.size() / 4 + 1);
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auto &coords = data.coordinates;
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for (size_t i = 0; i < coords.size(); i += 4)
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points.emplace_back(coords[i], coords[i + 1], coords[i + 2]);
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Vec3i triangle;
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Vec4i quad;
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size_t v = 0;
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while(v < data.vertices.size()) {
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size_t N = 0;
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size_t i = v;
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while (data.vertices[v++].coordIdx != -1) ++N;
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std::function<void(int, int)> setfn;
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if (N < 3 || N > 4) continue;
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else if (N == 3) setfn = [&triangle](int k, int f) { triangle(k) = f; };
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else setfn = [&quad](int k, int f) { quad(k) = f; };
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for (size_t j = 0; j < N; ++j)
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setfn(int(j), data.vertices[i + j].coordIdx);
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}
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}
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TriangleMesh to_triangle_mesh(const Contour3D &ctour) {
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if (ctour.faces4.empty()) return {ctour.points, ctour.faces3};
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std::vector<Vec3i> triangles;
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triangles.reserve(ctour.faces3.size() + 2 * ctour.faces4.size());
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std::copy(ctour.faces3.begin(), ctour.faces3.end(),
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std::back_inserter(triangles));
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for (auto &quad : ctour.faces4) {
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triangles.emplace_back(quad(0), quad(1), quad(2));
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triangles.emplace_back(quad(2), quad(3), quad(0));
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}
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return {ctour.points, std::move(triangles)};
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}
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TriangleMesh to_triangle_mesh(Contour3D &&ctour) {
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if (ctour.faces4.empty())
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return {std::move(ctour.points), std::move(ctour.faces3)};
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std::vector<Vec3i> triangles;
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triangles.reserve(ctour.faces3.size() + 2 * ctour.faces4.size());
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std::copy(ctour.faces3.begin(), ctour.faces3.end(),
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std::back_inserter(triangles));
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for (auto &quad : ctour.faces4) {
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triangles.emplace_back(quad(0), quad(1), quad(2));
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triangles.emplace_back(quad(2), quad(3), quad(0));
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}
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return {std::move(ctour.points), std::move(triangles)};
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}
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}} // namespace Slic3r::sla
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@ -1,48 +0,0 @@
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#ifndef SLA_CONTOUR3D_HPP
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#define SLA_CONTOUR3D_HPP
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#include <libslic3r/TriangleMesh.hpp>
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namespace Slic3r {
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// Used for quads (TODO: remove this, and convert quads to triangles in OpenVDBUtils)
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using Vec4i = Eigen::Matrix<int, 4, 1, Eigen::DontAlign>;
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namespace sla {
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class IndexedMesh;
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/// Dumb vertex mesh consisting of triangles (or) quads. Capable of merging with
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/// other meshes of this type and converting to and from other mesh formats.
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struct Contour3D {
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std::vector<Vec3d> points;
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std::vector<Vec3i> faces3;
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std::vector<Vec4i> faces4;
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Contour3D() = default;
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Contour3D(const TriangleMesh &trmesh);
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Contour3D(TriangleMesh &&trmesh);
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Contour3D(const IndexedMesh &emesh);
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Contour3D& merge(const Contour3D& ctr);
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Contour3D& merge(const Pointf3s& triangles);
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// Write the index triangle structure to OBJ file for debugging purposes.
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void to_obj(std::ostream& stream);
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void from_obj(std::istream &stream);
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inline bool empty() const
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{
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return points.empty() || (faces4.empty() && faces3.empty());
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}
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};
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/// Mesh from an existing contour.
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TriangleMesh to_triangle_mesh(const Contour3D& ctour);
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/// Mesh from an evaporating 3D contour
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TriangleMesh to_triangle_mesh(Contour3D&& ctour);
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}} // namespace Slic3r::sla
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#endif // CONTOUR3D_HPP
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@ -22,12 +22,6 @@
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namespace Slic3r {
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namespace sla {
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template<class S, class = FloatingOnly<S>>
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inline void _scale(S s, TriangleMesh &m) { m.scale(float(s)); }
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template<class S, class = FloatingOnly<S>>
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inline void _scale(S s, Contour3D &m) { for (auto &p : m.points) p *= s; }
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struct Interior {
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indexed_triangle_set mesh;
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openvdb::FloatGrid::Ptr gridptr;
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@ -2,13 +2,11 @@
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#define SLA_HOLLOWING_HPP
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#include <memory>
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#include <libslic3r/SLA/Contour3D.hpp>
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#include <libslic3r/TriangleMesh.hpp>
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#include <libslic3r/SLA/JobController.hpp>
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namespace Slic3r {
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class TriangleMesh;
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namespace sla {
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struct HollowingConfig
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