3D-printing/OrcaSlicer
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This commit is contained in:
bubnikv 2018-09-17 15:12:13 +02:00
parent d934b63424
commit fe3b92870f
90 changed files with 3310 additions and 1748 deletions
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37
xs/src/libslic3r/TriangleMesh.hpp
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@ -83,7 +83,7 @@ private:
enum FacetEdgeType {
// A general case, the cutting plane intersect a face at two different edges.
feNone,
feGeneral,
// Two vertices are aligned with the cutting plane, the third vertex is below the cutting plane.
feTop,
// Two vertices are aligned with the cutting plane, the third vertex is above the cutting plane.
@ -117,6 +117,14 @@ public:
class IntersectionLine : public Line
{
public:
IntersectionLine() : a_id(-1), b_id(-1), edge_a_id(-1), edge_b_id(-1), edge_type(feGeneral), flags(0) {}
bool skip() const { return (this->flags & SKIP) != 0; }
void set_skip() { this->flags |= SKIP; }
bool is_seed_candidate() const { return (this->flags & NO_SEED) == 0 && ! this->skip(); }
void set_no_seed(bool set) { if (set) this->flags |= NO_SEED; else this->flags &= ~NO_SEED; }
// Inherits Point a, b
// For each line end point, either {a,b}_id or {a,b}edge_a_id is set, the other is left to -1.
// Vertex indices of the line end points.
@ -125,11 +133,23 @@ public:
// Source mesh edges of the line end points.
int edge_a_id;
int edge_b_id;
// feNone, feTop, feBottom, feHorizontal
// feGeneral, feTop, feBottom, feHorizontal
FacetEdgeType edge_type;
// Used by TriangleMeshSlicer::make_loops() to skip duplicate edges.
bool skip;
IntersectionLine() : a_id(-1), b_id(-1), edge_a_id(-1), edge_b_id(-1), edge_type(feNone), skip(false) {};
// Used by TriangleMeshSlicer::slice() to skip duplicate edges.
enum {
// Triangle edge added, because it has no neighbor.
EDGE0_NO_NEIGHBOR = 0x001,
EDGE1_NO_NEIGHBOR = 0x002,
EDGE2_NO_NEIGHBOR = 0x004,
// Triangle edge added, because it makes a fold with another horizontal edge.
EDGE0_FOLD = 0x010,
EDGE1_FOLD = 0x020,
EDGE2_FOLD = 0x040,
// The edge cannot be a seed of a greedy loop extraction (folds are not safe to become seeds).
NO_SEED = 0x100,
SKIP = 0x200,
};
uint32_t flags;
};
typedef std::vector<IntersectionLine> IntersectionLines;
typedef std::vector<IntersectionLine*> IntersectionLinePtrs;
@ -144,7 +164,12 @@ public:
void init(TriangleMesh *mesh, throw_on_cancel_callback_type throw_on_cancel);
void slice(const std::vector<float> &z, std::vector<Polygons>* layers, throw_on_cancel_callback_type throw_on_cancel) const;
void slice(const std::vector<float> &z, std::vector<ExPolygons>* layers, throw_on_cancel_callback_type throw_on_cancel) const;
bool slice_facet(float slice_z, const stl_facet &facet, const int facet_idx,
enum FacetSliceType {
NoSlice = 0,
Slicing = 1,
Cutting = 2
};
FacetSliceType slice_facet(float slice_z, const stl_facet &facet, const int facet_idx,
const float min_z, const float max_z, IntersectionLine *line_out) const;
void cut(float z, TriangleMesh* upper, TriangleMesh* lower) const;