3DPrinting/PrusaSlicer-NonPlainar
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This commit is contained in:
tamasmeszaros 2018-08-16 17:58:45 +02:00
parent f297da0d01
commit 1878c79ac7
1 changed files with 18 additions and 1 deletions
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19
xs/src/libslic3r/SLABasePool.cpp
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@ -1,9 +1,9 @@
#include <functional>
#include <numeric>
#include "SLABasePool.hpp"
#include "ExPolygon.hpp"
#include "TriangleMesh.hpp"
#include <numeric>
#include "ClipperUtils.hpp"
#include "boost/log/trivial.hpp"
@ -14,11 +14,15 @@ namespace Slic3r { namespace sla {
namespace {
using coord_t = Point::coord_type;
/// get the scaled clipper units for a millimeter value
inline coord_t mm(double v) { return coord_t(v/SCALING_FACTOR); }
/// Get x and y coordinates (because we are eigenizing...)
inline coord_t x(const Point& p) { return p.x; }
inline coord_t y(const Point& p) { return p.y; }
/// Intermediate struct for a 3D mesh
struct Contour3D {
Pointf3s points;
std::vector<Point3> indices;
@ -36,6 +40,7 @@ struct Contour3D {
}
};
/// Convert the triangulation output to an intermediate mesh.
inline Contour3D convert(const Polygons& triangles, coord_t z, bool dir) {
Pointf3s points;
@ -55,6 +60,8 @@ inline Contour3D convert(const Polygons& triangles, coord_t z, bool dir) {
return {points, indices};
}
/// Only a debug function to generate top and bottom plates from a 2D shape.
/// It is not used in the algorithm directly.
inline Contour3D roofs(const ExPolygon& poly, coord_t z_distance) {
Polygons triangles;
poly.triangulate_pp(&triangles);
@ -65,6 +72,8 @@ inline Contour3D roofs(const ExPolygon& poly, coord_t z_distance) {
return lower;
}
/// Generating the concave part of the 3D pool with the bottom plate and the
/// side walls.
inline Contour3D inner_bed(const ExPolygon& poly, coord_t depth) {
Polygons triangles;
poly.triangulate_p2t(&triangles);
@ -92,14 +101,17 @@ inline Contour3D inner_bed(const ExPolygon& poly, coord_t depth) {
return bottom;
}
/// Mesh from an existing contour.
inline TriangleMesh mesh(const Contour3D& ctour) {
return {ctour.points, ctour.indices};
}
/// Mesh from an evaporating 3D contour
inline TriangleMesh mesh(Contour3D&& ctour) {
return {std::move(ctour.points), std::move(ctour.indices)};
}
/// Offsetting with clipper and smoothing the edges into a curvature.
inline void offset(ExPolygon& sh, coord_t distance) {
using ClipperLib::ClipperOffset;
using ClipperLib::jtRound;
@ -153,6 +165,7 @@ inline void offset(ExPolygon& sh, coord_t distance) {
}
}
/// Unification of polygons (with clipper) preserving holes as well.
inline ExPolygons unify(const ExPolygons& shapes) {
ExPolygons retv;
@ -228,6 +241,10 @@ inline Point centroid(const ExPolygon& poly) {
return poly.contour.centroid();
}
/// A fake concave hull that is constructed by connecting separate shapes
/// with explicit bridges. Bridges are generated from each shape's centroid
/// to the center of the "scene" which is the centroid calculated from the shape
/// centroids (a star is created...)
inline ExPolygon concave_hull(const ExPolygons& polys) {
if(polys.empty()) return ExPolygon();