Method ExtrusionEntity::polygons_covered() and derived were split

into polygons_covered_by_width() and polygons_covered_by_spacing().

Bugfix of ExtrusionLoop::split_at(const Point &point),
where the split ExtrusionPaths were not initialised correctly.
This commit is contained in:
bubnikv 2016-11-04 00:10:35 +01:00
parent f278fa454e
commit 483a658144
8 changed files with 97 additions and 69 deletions

View file

@ -45,12 +45,21 @@ public:
virtual void reverse() = 0;
virtual Point first_point() const = 0;
virtual Point last_point() const = 0;
// Produce a list of 2D polygons covered by the extruded path.
virtual Polygons polygons_covered() const = 0;
// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion width.
// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
virtual void polygons_covered_by_width(Polygons &out, const float scaled_epsilon) const = 0;
// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion spacing.
// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
// Useful to calculate area of an infill, which has been really filled in by a 100% rectilinear infill.
virtual void polygons_covered_by_spacing(Polygons &out, const float scaled_epsilon) const = 0;
Polygons polygons_covered_by_width(const float scaled_epsilon = 0.f) const
{ Polygons out; this->polygons_covered_by_width(out, scaled_epsilon); return out; }
Polygons polygons_covered_by_spacing(const float scaled_epsilon = 0.f) const
{ Polygons out; this->polygons_covered_by_spacing(out, scaled_epsilon); return out; }
// Minimum volumetric velocity of this extrusion entity. Used by the constant nozzle pressure algorithm.
virtual double min_mm3_per_mm() const = 0;
virtual Polyline as_polyline() const = 0;
virtual double length() const { return 0; };
virtual double length() const = 0;
};
typedef std::vector<ExtrusionEntity*> ExtrusionEntitiesPtr;
@ -103,8 +112,17 @@ public:
return this->role == erBridgeInfill
|| this->role == erOverhangPerimeter;
}
// Produce a list of 2D polygons covered by the extruded path.
Polygons polygons_covered() const;
// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion width.
// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
void polygons_covered_by_width(Polygons &out, const float scaled_epsilon) const;
// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion spacing.
// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
// Useful to calculate area of an infill, which has been really filled in by a 100% rectilinear infill.
void polygons_covered_by_spacing(Polygons &out, const float scaled_epsilon) const;
Polygons polygons_covered_by_width(const float scaled_epsilon = 0.f) const
{ Polygons out; this->polygons_covered_by_width(out, scaled_epsilon); return out; }
Polygons polygons_covered_by_spacing(const float scaled_epsilon = 0.f) const
{ Polygons out; this->polygons_covered_by_spacing(out, scaled_epsilon); return out; }
// Minimum volumetric velocity of this extrusion entity. Used by the constant nozzle pressure algorithm.
double min_mm3_per_mm() const { return this->mm3_per_mm; }
Polyline as_polyline() const { return this->polyline; }
@ -160,8 +178,17 @@ class ExtrusionLoop : public ExtrusionEntity
|| this->paths.front().role == erSolidInfill
|| this->paths.front().role == erTopSolidInfill;
}
// Produce a list of 2D polygons covered by the extruded path.
Polygons polygons_covered() const;
// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion width.
// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
void polygons_covered_by_width(Polygons &out, const float scaled_epsilon) const;
// Produce a list of 2D polygons covered by the extruded paths, offsetted by the extrusion spacing.
// Increase the offset by scaled_epsilon to achieve an overlap, so a union will produce no gaps.
// Useful to calculate area of an infill, which has been really filled in by a 100% rectilinear infill.
void polygons_covered_by_spacing(Polygons &out, const float scaled_epsilon) const;
Polygons polygons_covered_by_width(const float scaled_epsilon = 0.f) const
{ Polygons out; this->polygons_covered_by_width(out, scaled_epsilon); return out; }
Polygons polygons_covered_by_spacing(const float scaled_epsilon = 0.f) const
{ Polygons out; this->polygons_covered_by_spacing(out, scaled_epsilon); return out; }
// Minimum volumetric velocity of this extrusion entity. Used by the constant nozzle pressure algorithm.
double min_mm3_per_mm() const;
Polyline as_polyline() const { return this->polygon().split_at_first_point(); }