Base class for FreeCAD wrapping of libarea. More...

#include <Area.h>

Classes
struct	Shape

Public Member Functions
void	add (const TopoDS_Shape &shape, PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_OPCODE))
	Add a child shape with given operation code. More...

	Area (const Area &other, bool deep_copy=true)

	Area (const AreaParams *params=NULL)
	Declare all parameters defined in #AREA_PARAMS_ALL as member variable. More...

void	clean (bool deleteShapes=false)
	Clean internal caches. More...

const std::list< Shape >	getChildren () const

const AreaParams &	getParams () const
	Get the current configuration. More...

TopoDS_Shape	getPlane (gp_Trsf *trsf=0)
	Return the current active workplane. More...

std::size_t	getSectionCount ()
	Return the number of sections. More...

TopoDS_Shape	getShape (int index=-1)
	Get the combined shape. More...

bool	isBuilt () const

TopoDS_Shape	makeOffset (int index=-1, PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_OFFSET), int reoirent=0, bool from_center=false)
	Generate an offset of the combined shape. More...

TopoDS_Shape	makePocket (int index=-1, PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_POCKET))
	Make a pocket of the combined shape. More...

std::vector< std::shared_ptr< Area > >	makeSections (PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_SECTION_EXTRA), const std::vector< double > &heights=std::vector< double >(), const TopoDS_Shape &plane=TopoDS_Shape())
	Make a pocket of the combined shape. More...

void	setParams (const AreaParams &params)
	Config this Area object. More...

void	setPlane (const TopoDS_Shape &shape)
	Set a working plane. More...

virtual	~Area ()

Public Member Functions inherited from Base::BaseClass
	BaseClass ()
	Construction. More...

virtual PyObject *	getPyObject (void)
	This method returns the Python wrapper for a C++ object. More...

virtual Type	getTypeId (void) const

bool	isDerivedFrom (const Type type) const

virtual void	setPyObject (PyObject *)

virtual	~BaseClass ()
	Destruction. More...

Static Public Member Functions
static void	abort (bool aborting)

static bool	aborting ()

static int	addShape (CArea &area, const TopoDS_Shape &shape, const gp_Trsf trsf=NULL, double deflection=0.01, const TopoDS_Shape plane=NULL, bool force_coplanar=true, CArea *areaOpen=NULL, bool to_edges=false, bool reorient=true)
	Add a OCC generic shape to CArea. More...

static void	addWire (CArea &area, const TopoDS_Wire &wire, const gp_Trsf *trsf=NULL, double deflection=0.01, bool to_edges=false)
	Add a OCC wire shape to CArea. More...

static const AreaStaticParams &	getDefaultParams ()

static bool	isCoplanar (const TopoDS_Shape &s1, const TopoDS_Shape &s2)
	Check if two OCC shape is coplanar. More...

static int	project (TopoDS_Shape &out, const TopoDS_Shape &in, const AreaParams *params=0)

static void	setDefaultParams (const AreaStaticParams &params)

static void	setWireOrientation (TopoDS_Wire &wire, const gp_Dir &dir, bool ccw)

static void	showShape (const TopoDS_Shape &shape, const char name, const char fmt=0,...)

static std::list< TopoDS_Shape >	sortWires (const std::list< TopoDS_Shape > &shapes, bool has_start=false, gp_Pnt pstart=NULL, gp_Pnt pend=NULL, double stepdown_hint=NULL, short arc_plane=NULL, PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_SORT))
	Group shapes by their plane, and return a list of sorted wires. More...

static void	toPath (Toolpath &path, const std::list< TopoDS_Shape > &shapes, const gp_Pnt pstart=NULL, gp_Pnt pend=NULL, PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_PATH))
	Convert a list of wires to gcode. More...

static TopoDS_Shape	toShape (const CArea &area, bool fill, const gp_Trsf *trsf=NULL, int reoirent=0)
	Convert curves in CArea into an OCC shape. More...

static TopoDS_Shape	toShape (const CCurve &curve, const gp_Trsf *trsf=NULL, int reorient=0)
	Convert a single curve into an OCC wire. More...

Static Public Member Functions inherited from Base::BaseClass
static void *	create (void)

static Type	getClassTypeId (void)

static void	init (void)

Protected Member Functions
void	addToBuild (CArea &area, const TopoDS_Shape &shape)
	Called by build() to add children shape. More...

void	build ()
	Called internally to combine children shapes for further processing. More...

void	explode (const TopoDS_Shape &shape)

TopoDS_Shape	findPlane (const TopoDS_Shape &shape, gp_Trsf &trsf)

std::list< Shape >	getProjectedShapes (const gp_Trsf &trsf, bool inverse=true) const

void	makeOffset (std::list< std::shared_ptr< CArea > > &areas, PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_OFFSET), bool from_center=false)
	Obtain a list of offset areas. More...

TopoDS_Shape	makePocket ()
	Make a pocket of the combined shape. More...

TopoDS_Shape	toShape (CArea &area, short fill, int reorient=0)
	Called internally to obtain the combined children shapes. More...

Protected Attributes
std::unique_ptr< CArea >	myArea

std::unique_ptr< CArea >	myAreaOpen

bool	myHaveFace

bool	myHaveSolid

AreaParams	myParams

bool	myProjecting

std::vector< std::shared_ptr< Area > >	mySections

TopoDS_Shape	myShape

bool	myShapeDone

TopoDS_Shape	myShapePlane

std::list< Shape >	myShapes

int	mySkippedShapes

gp_Trsf	myTrsf

TopoDS_Shape	myWorkPlane

Static Protected Attributes
static bool	s_aborting

static AreaStaticParams	s_params

Additional Inherited Members
Static Protected Member Functions inherited from Base::BaseClass
static void	initSubclass (Base::Type &toInit, const char ClassName, const char ParentName, Type::instantiationMethod method=nullptr)

Detailed Description

Base class for FreeCAD wrapping of libarea.

Constructor & Destructor Documentation

◆ Area() [1/2]

Path::Area::Area ( const AreaParams * params = NULL )

Declare all parameters defined in #AREA_PARAMS_ALL as member variable.

◆ Area() [2/2]

Path::Area::Area	(	const Area &	other,
		bool	deep_copy = `true`
	)

◆ ~Area()

Area::~Area ( )

virtual

References clean().

Member Function Documentation

◆ abort()

void Area::abort ( bool aborting )

static

References aborting(), and s_aborting.

◆ aborting()

bool Area::aborting ( )

static

References s_aborting.

Referenced by abort().

◆ add()

void Area::add	(	const TopoDS_Shape &	shape,
		PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_OPCODE)
	)

Add a child shape with given operation code.

No validation is done at this point. Exception will be thrown when asking for output shape, if any of the children shapes is not valid or not coplanar

shape: the child shape
op: operation code, see #AREA_PARAMS_OPCODE

References clean(), myHaveSolid, and myShapes.

Referenced by Path::AreaPy::add(), build(), Path::FeatureArea::execute(), getShape(), and project().

◆ addShape()

int Area::addShape	(	CArea &	area,
		const TopoDS_Shape &	shape,
		const gp_Trsf *	trsf = `NULL`,
		double	deflection = `0.01`,
		const TopoDS_Shape *	plane = `NULL`,
		bool	force_coplanar = `true`,
		CArea *	areaOpen = `NULL`,
		bool	to_edges = `false`,
		bool	reorient = `true`
	)

static

Add a OCC generic shape to CArea.

area: output converted curved object to here
shape: input shape object
trsf: optional transform matrix to transform the wire shape into XY0 plane.
deflection: for defecting non circular curves
plane: a shape for testing coplanar
force_coplaner: if true, discard non-coplanar shapes.
areaOpen: for collecting open curves. If not supplied, open curves are added to area
to_edges: separate open wires to individual edges
reorient: reorient closed wires for wire only shape

Returns: Returns the number of non coplaner. Planar testing only happens if plane is supplied

References addWire(), isCoplanar(), CArea::m_curves, and CArea::Reorder().

Referenced by addToBuild().

◆ addToBuild()

void Area::addToBuild	(	CArea &	area,
		const TopoDS_Shape &	shape
	)

protected

Called by build() to add children shape.

Mainly for checking if there is any faces for auto fill

References addShape(), getPlane(), CArea::m_curves, myArea, myAreaOpen, myHaveFace, myHaveSolid, myParams, myProjecting, mySkippedShapes, and myTrsf.

Referenced by build().

◆ addWire()

void Area::addWire	(	CArea &	area,
		const TopoDS_Wire &	wire,
		const gp_Trsf *	trsf = `NULL`,
		double	deflection = `0.01`,
		bool	to_edges = `false`
	)

static

Add a OCC wire shape to CArea.

area: output converted curved object to here
wire: input wire object
trsf: optional transform matrix to transform the wire shape into XY0 plane.
deflection: for discretizing non circular curves
to_edges: if true, discretize all curves, and insert as open line segments

References CArea::append(), CCurve::append(), CCurve::IsClosed(), CCurve::m_vertices, CArea::move(), and CCurve::UnFitArcs().

Referenced by addShape(), and explode().

◆ build()

void Area::build ( )

protected

Called internally to combine children shapes for further processing.

References add(), WireJoiner::add(), addToBuild(), build(), clean(), WireJoiner::comp, explode(), getPlane(), getProjectedShapes(), isBuilt(), WireJoiner::join(), CArea::m_curves, makeSections(), myArea, myAreaOpen, myHaveSolid, myParams, myProjecting, mySections, myShapes, mySkippedShapes, myTrsf, myWorkPlane, PARAM_FIELDS, PARAM_FNAME, and toShape().

Referenced by build(), and getShape().

◆ clean()

void Area::clean ( bool deleteShapes = false )

Clean internal caches.

The combined shapes is cached internally to make other operation more efficient, such as makeOffset() and makePocket()

deleteShapes: if true, delete all children shapes.

References myArea, myAreaOpen, myHaveFace, myHaveSolid, mySections, myShape, myShapeDone, myShapePlane, and myShapes.

Referenced by add(), build(), Path::FeatureArea::execute(), Path::AreaPy::getShape(), shipOutlineDraw.Preview.Preview::reinit(), shipCreateShip.Preview.Preview::reinit(), setParams(), setPlane(), shipAreasCurve.Preview.Preview::update(), shipOutlineDraw.Preview.Preview::update(), shipCreateShip.Preview.Preview::update(), and ~Area().

◆ explode()

void Area::explode ( const TopoDS_Shape & shape )

protected

References addWire(), getPlane(), isCoplanar(), myArea, myParams, mySkippedShapes, and myTrsf.

Referenced by build().

◆ findPlane()

TopoDS_Shape Area::findPlane	(	const TopoDS_Shape &	shape,
		gp_Trsf &	trsf
	)

protected

Referenced by makeSections(), and setPlane().

◆ getChildren()

const std::list<Shape> Path::Area::getChildren ( ) const

Referenced by Path::AreaPy::getShapes().

◆ getDefaultParams()

const AreaStaticParams & Area::getDefaultParams ( )

static

References s_params.

◆ getParams()

const AreaParams& Path::Area::getParams ( ) const

Get the current configuration.

Referenced by Path::AreaPy::getParams(), and Path::AreaPy::setParams().

◆ getPlane()

TopoDS_Shape Area::getPlane ( gp_Trsf * trsf = 0 )

Return the current active workplane.

trsf: optional return of a transformation matrix that will bring the found plane to XY0 plane.

If no workplane is set using setPlane(), the active workplane is derived from the added children shapes using the same algorithm empolyed by setPlane().

References myShapePlane, myShapes, myTrsf, and myWorkPlane.

Referenced by addToBuild(), build(), explode(), and makeSections().

◆ getProjectedShapes()

std::list< Area::Shape > Area::getProjectedShapes	(	const gp_Trsf &	trsf,
		bool	inverse = `true`
	)		const

protected

References myParams, myShapes, mySkippedShapes, and project().

Referenced by build(), and makeSections().

◆ getSectionCount()

std::size_t Path::Area::getSectionCount ( )

Return the number of sections.

Referenced by Path::FeatureArea::execute(), and Path::AreaPy::getSections().

◆ getShape()

TopoDS_Shape Area::getShape ( int index = -1 )

Get the combined shape.

index: index of the section, -1 for all sections. No effect on non-sectioned area.

References add(), build(), makeOffset(), makePocket(), myArea, myParams, myShape, myShapeDone, PARAM_FIELDS, CArea::Thicken(), and toShape().

Referenced by Path::FeatureArea::execute(), and project().

◆ isBuilt()

bool Area::isBuilt ( ) const

References myArea, and mySections.

Referenced by build(), and Path::FeatureArea::mustExecute().

◆ isCoplanar()

bool Area::isCoplanar	(	const TopoDS_Shape &	s1,
		const TopoDS_Shape &	s2
	)

static

Check if two OCC shape is coplanar.

Referenced by addShape(), and explode().

◆ makeOffset() [1/2]

TopoDS_Shape Path::Area::makeOffset	(	int	index = `-1`,
		PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_OFFSET)	,
		int	reoirent = `0`,
		bool	from_center = `false`
	)

Generate an offset of the combined shape.

See #AREA_PARAMS_OFFSET for description of the arguments. If more than one offset is requested, a compound shape is return containing all offset shapes as wires regardless of Fill setting.

◆ makeOffset() [2/2]

void Path::Area::makeOffset	(	std::list< std::shared_ptr< CArea > > &	areas,
		PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_OFFSET)	,
		bool	from_center = `false`
	)

protected

Obtain a list of offset areas.

See #AREA_PARAMS_OFFSET for description of the arguments.

Referenced by getShape(), and Path::AreaPy::makeOffset().

◆ makePocket() [1/2]

TopoDS_Shape Path::Area::makePocket ( )

protected

Make a pocket of the combined shape.

User #AREA_PARAMS_POCKET setting in myParams.

Referenced by getShape(), and Path::AreaPy::makePocket().

◆ makePocket() [2/2]

TopoDS_Shape Path::Area::makePocket	(	int	index = `-1`,
		PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_POCKET)
	)

Make a pocket of the combined shape.

See #AREA_PARAMS_POCKET for description of the arguments.

◆ makeSections()

std::vector< shared_ptr< Area > > Area::makeSections	(	PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_SECTION_EXTRA)	,
		const std::vector< double > &	heights = `std::vector<double>()`,
		const TopoDS_Shape &	plane = `TopoDS_Shape()`
	)

Make a pocket of the combined shape.

heights: optional customized heights of each section. The meaning of each height depends on section mode. If none is given, the section heights is determined by the section settings in this Area object (configured through setParams()).
plane: the section plane if the section mode is SectionModeWorkplane, otherwise ignored

See #AREA_PARAMS_EXTRA for description of the arguments. Currently, there is only one argument, namely mode for section mode.

References Part::FaceMaker::addWire(), Part::FaceMaker::Build(), findPlane(), getPlane(), getProjectedShapes(), myParams, myShapes, project(), Part::FaceMakerBullseye::setPlane(), and showShape().

Referenced by build(), and Path::AreaPy::makeSections().

◆ project()

int Area::project	(	TopoDS_Shape &	out,
		const TopoDS_Shape &	in,
		const AreaParams *	params = `0`
	)

static

References add(), WireJoiner::comp, Path::AreaParams::dump(), WireJoiner::edges, WireJoiner::findClosedWires(), getShape(), myParams, myProjecting, showShape(), and WireJoiner::splitEdges().

Referenced by getProjectedShapes(), and makeSections().

◆ setDefaultParams()

void Area::setDefaultParams ( const AreaStaticParams & params )

static

References s_params.

Referenced by PathScripts.PathPreferencesPathJob.JobPreferencesPage::saveSettings().

◆ setParams()

void Area::setParams ( const AreaParams & params )

Config this Area object.

References clean(), and myParams.

Referenced by Path::FeatureArea::execute(), and Path::AreaPy::setParams().

◆ setPlane()

void Area::setPlane ( const TopoDS_Shape & shape )

Set a working plane.

shape: a shape defining a working plane.

The supplied shape does not need to be planar. Area will try to find planar sub-shape (face, wire or edge). If more than one planar sub-shape is found, it will prefer the top plane parallel to XY0 plane.

If no working plane are set, Area will try to find a working plane from the added children shape using the same algorithm

References clean(), findPlane(), myTrsf, and myWorkPlane.

Referenced by Path::FeatureArea::execute(), Path::AreaPy::setPlane(), and Path::AreaPy::setWorkplane().

◆ setWireOrientation()

void Area::setWireOrientation	(	TopoDS_Wire &	wire,
		const gp_Dir &	dir,
		bool	ccw
	)

static

◆ showShape()

void Area::showShape	(	const TopoDS_Shape &	shape,
		const char *	name,
		const char *	fmt = `0`,
			...
	)

static

References App::Document::addObject(), App::Application::getActiveDocument(), App::GetApplication(), App::Application::newDocument(), Part::PropertyPartShape::setValue(), and Part::Feature::Shape.

Referenced by WireJoiner::findClosedWires(), makeSections(), and project().

◆ sortWires()

std::list< TopoDS_Shape > Area::sortWires	(	const std::list< TopoDS_Shape > &	shapes,
		bool	has_start = `false`,
		gp_Pnt *	pstart = `NULL`,
		gp_Pnt *	pend = `NULL`,
		double *	stepdown_hint = `NULL`,
		short *	arc_plane = `NULL`,
		PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_SORT)
	)

static

Group shapes by their plane, and return a list of sorted wires.

The output wires is ordered by its occupied plane, and sorted to minimize traval distance

shapes: input list of shapes.
has_start: if false or pstart is 0, then a start point will be auto selected.
pstart: optional start point. If has_start is false, then the auto selected start point will be returned with this point if not NULL.
pend: optional output containing the ending point of the returned
stepdown_hint: optional output of a hint of step down as the max distance between two sections.
arc_plane: optional arc plane selection, if given the found plane will be returned. See #AREA_PARAMS_ARC_PLANE for more details.

See #AREA_PARAMS_SORT for other arguments

Returns: sorted wires

Referenced by toPath().

◆ toPath()

void Area::toPath	(	Toolpath &	path,
		const std::list< TopoDS_Shape > &	shapes,
		const gp_Pnt *	pstart = `NULL`,
		gp_Pnt *	pend = `NULL`,
		PARAM_ARGS_DEF(PARAM_FARG, AREA_PARAMS_PATH)
	)

static

Convert a list of wires to gcode.

path: output toolpath
shapes: input list of shapes
pstart: output start point,
pend: optional output containing the ending point of the returned

See #AREA_PARAMS_PATH for other arguments

References PARAM_FARG, PARAM_FIELDS, PARAM_REF, and sortWires().

Referenced by Path::FeatureShape::execute().

◆ toShape() [1/3]

TopoDS_Shape Path::Area::toShape	(	CArea &	area,
		short	fill,
		int	reorient = `0`
	)

protected

Called internally to obtain the combined children shapes.

Referenced by build(), and getShape().

◆ toShape() [2/3]

static TopoDS_Shape Path::Area::toShape	(	const CArea &	area,
		bool	fill,
		const gp_Trsf *	trsf = `NULL`,
		int	reoirent = `0`
	)

static

Convert curves in CArea into an OCC shape.

area: input area object
fill: if true, create a face object from the wires
trsf: optional transform matrix to transform the shape back into its original position.

◆ toShape() [3/3]

static TopoDS_Shape Path::Area::toShape	(	const CCurve &	curve,
		const gp_Trsf *	trsf = `NULL`,
		int	reorient = `0`
	)

static

Convert a single curve into an OCC wire.

curve: input curve object
trsf: optional transform matrix to transform the shape back into its original position.

Member Data Documentation

◆ myArea

std::unique_ptr<CArea> Path::Area::myArea

protected

Referenced by addToBuild(), build(), clean(), explode(), getShape(), and isBuilt().

◆ myAreaOpen

std::unique_ptr<CArea> Path::Area::myAreaOpen

protected

Referenced by addToBuild(), build(), and clean().

◆ myHaveFace

bool Path::Area::myHaveFace

protected

Referenced by addToBuild(), and clean().

◆ myHaveSolid

bool Path::Area::myHaveSolid

protected

Referenced by add(), addToBuild(), build(), and clean().

◆ myParams

AreaParams Path::Area::myParams

protected

Referenced by addToBuild(), build(), explode(), getProjectedShapes(), getShape(), makeSections(), project(), and setParams().

◆ myProjecting

bool Path::Area::myProjecting

protected

Referenced by addToBuild(), build(), and project().

◆ mySections

std::vector<std::shared_ptr<Area> > Path::Area::mySections

protected

Referenced by build(), clean(), and isBuilt().

◆ myShape

TopoDS_Shape Path::Area::myShape

protected

Referenced by clean(), and getShape().

◆ myShapeDone

bool Path::Area::myShapeDone

protected

Referenced by clean(), and getShape().

◆ myShapePlane

TopoDS_Shape Path::Area::myShapePlane

protected

Referenced by clean(), and getPlane().

◆ myShapes

std::list<Shape> Path::Area::myShapes

protected

Referenced by add(), build(), clean(), getPlane(), getProjectedShapes(), and makeSections().

◆ mySkippedShapes

int Path::Area::mySkippedShapes

mutableprotected

Referenced by addToBuild(), build(), explode(), and getProjectedShapes().

◆ myTrsf

gp_Trsf Path::Area::myTrsf

protected

Referenced by addToBuild(), build(), explode(), getPlane(), and setPlane().

◆ myWorkPlane

TopoDS_Shape Path::Area::myWorkPlane

protected

Referenced by build(), getPlane(), and setPlane().

◆ s_aborting

bool Area::s_aborting

staticprotected

Referenced by abort(), and aborting().

◆ s_params

AreaStaticParams Area::s_params

staticprotected

Referenced by getDefaultParams(), and setDefaultParams().

The documentation for this class was generated from the following files:

src/Mod/Path/App/Area.h
src/Mod/Path/App/Area.cpp

Classes

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Static Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Area() [1/2]

◆ Area() [2/2]

◆ ~Area()

Member Function Documentation

◆ abort()

◆ aborting()

◆ add()

◆ addShape()

◆ addToBuild()

◆ addWire()

◆ build()

◆ clean()

◆ explode()

◆ findPlane()

◆ getChildren()

◆ getDefaultParams()

◆ getParams()

◆ getPlane()

◆ getProjectedShapes()

◆ getSectionCount()

◆ getShape()

◆ isBuilt()

◆ isCoplanar()

◆ makeOffset() [1/2]

◆ makeOffset() [2/2]

◆ makePocket() [1/2]

◆ makePocket() [2/2]

◆ makeSections()

◆ project()

◆ setDefaultParams()

◆ setParams()

◆ setPlane()

◆ setWireOrientation()

◆ showShape()

◆ sortWires()

◆ toPath()

◆ toShape() [1/3]

◆ toShape() [2/3]

◆ toShape() [3/3]

Member Data Documentation

◆ myArea

◆ myAreaOpen

◆ myHaveFace

◆ myHaveSolid

◆ myParams

◆ myProjecting

◆ mySections

◆ myShape

◆ myShapeDone

◆ myShapePlane

◆ myShapes

◆ mySkippedShapes

◆ myTrsf

◆ myWorkPlane

◆ s_aborting

◆ s_params