Defines complex geometrical object. More...

#include <geomObjects.h>

Inheritance diagram for util::geometry::ComplexGeomObject:

Collaboration diagram for util::geometry::ComplexGeomObject:

Public Member Functions
	ComplexGeomObject ()
	Constructor.

	ComplexGeomObject (std::vector< std::shared_ptr< util::geometry::GeomObject > > &obj, std::vector< std::string > obj_flag, size_t dim, std::string description="")
	Constructor.

double	volume () const override
	Computes the volume (area in 2d, length in 1d) of object.

util::Point	center () const override
	Computes the center of object.

std::pair< util::Point, util::Point >	box () const override
	Computes the bounding box of object.

std::pair< util::Point, util::Point >	box (const double &tol) const override
	Computes the bounding box of object.

double	inscribedRadius () const override
	Computes the radius of biggest circle/sphere completely within the object.

double	boundingRadius () const override
	Computes the radius of smallest circle/sphere such that object can be fit into it.

std::string	printStr (int nt, int lvl) const override
	Returns the string containing printable information about the object.

void	print (int nt, int lvl) const override
	Prints the information about the object.

void	print () const override
	Prints the information about the object.

Interaction with point
bool	isInside (const util::Point &x) const override
	Checks if point is inside this object.

bool	isOutside (const util::Point &x) const override
	Checks if point is outside of this object.

bool	isNear (const util::Point &x, const double &tol) const override
	Checks if point is within given distance of this object.

bool	isNearBoundary (const util::Point &x, const double &tol, const bool &within) const override
	cons

bool	doesIntersect (const util::Point &x) const override
	Checks if point lies exactly on the boundary.

Interaction with box
bool	isInside (const std::pair< util::Point, util::Point > &box) const override
	Checks if box is completely inside.

bool	isOutside (const std::pair< util::Point, util::Point > &box) const override
	Checks if box is outside of the object.

bool	isNear (const std::pair< util::Point, util::Point > &box, const double &tol) const override
	Checks if box is within given distance of this object.

bool	doesIntersect (const std::pair< util::Point, util::Point > &box) const override
	Checks if box intersects this object.

Public Member Functions inherited from util::geometry::GeomObject
	GeomObject (std::string name="", std::string description="")
	Constructor.

Data Fields
std::vector< std::shared_ptr< util::geometry::GeomObject > >	d_obj
	Object.

std::vector< std::string >	d_objFlag
	Object flag.

std::vector< int >	d_objFlagInt
	Object integer flags. Here, +1 means object is filling and -1 means object is void.

size_t	d_dim
	Dimension objects live in.

Data Fields inherited from util::geometry::GeomObject
const std::string	d_name
	name of object

const std::string	d_description
	Further description of object.

std::vector< std::string >	d_tags
	Tags/attributes about the object.

Detailed Description

Defines complex geometrical object.

Definition at line 2729 of file geomObjects.h.

Constructor & Destructor Documentation

◆ ComplexGeomObject() [1/2]

util::geometry::ComplexGeomObject::ComplexGeomObject ( )

inline

Constructor.

Definition at line 2735 of file geomObjects.h.

2735: GeomObject("complex", ""), d_dim(0) {};

util::geometry::ComplexGeomObject::d_dim

size_t d_dim

Dimension objects live in.

Definition geomObjects.h:2905

util::geometry::GeomObject::GeomObject

GeomObject(std::string name="", std::string description="")

Constructor.

Definition geomObjects.h:39

◆ ComplexGeomObject() [2/2]

util::geometry::ComplexGeomObject::ComplexGeomObject	(	std::vector< std::shared_ptr< util::geometry::GeomObject > > &	obj,
		std::vector< std::string >	obj_flag,
		size_t	dim,
		std::string	description = `""`
	)

inline

Constructor.

Parameters

obj	Vector of geometrical objects
obj_flag	Specifies which objects are filling and which are void
dim	Dimension of the composite object
description	Description of object (e.g., further classification or any tag)

Definition at line 2745 of file geomObjects.h.

                    : GeomObject("complex", description),
                      d_obj(obj),
                      d_objFlag(obj_flag),
                      d_dim(dim) {
 
              for (const auto &s: d_objFlag)
                if (s == "plus")
                  d_objFlagInt.push_back(1);
                else if (s == "minus")
                  d_objFlagInt.push_back(-1);
                else {
                  std::cerr
                          << "Error: Check object flag " + s +
                             " passed to create ComplexGeomObject\n";
                  exit(1);
                }
            };

References d_dim, d_objFlag, and d_objFlagInt.

Member Function Documentation

◆ boundingRadius()

double util::geometry::ComplexGeomObject::boundingRadius ( ) const

overridevirtual

Computes the radius of smallest circle/sphere such that object can be fit into it.

Returns: Radius Radius of bounding circle/sphere

Reimplemented from util::geometry::GeomObject.

Definition at line 1909 of file geomObjects.cpp.

                                                               {
 
      auto box = this->box();
      return 0.5 * (box.first - box.second).length();
    }

◆ box() [1/2]

std::pair< util::Point, util::Point > util::geometry::ComplexGeomObject::box ( ) const

overridevirtual

Computes the bounding box of object.

Returns: Pair Left-bottom-back and right-top-front corner points of box

Reimplemented from util::geometry::GeomObject.

Definition at line 1875 of file geomObjects.cpp.

                     {
 
      return box(0.);
    }

◆ box() [2/2]

std::pair< util::Point, util::Point > util::geometry::ComplexGeomObject::box ( const double & tol ) const

overridevirtual

Computes the bounding box of object.

Parameters

tol	Tolerance/padding used in creating bounding box

Returns: Pair Left-bottom-back and right-top-front corner points of box

Reimplemented from util::geometry::GeomObject.

Definition at line 1881 of file geomObjects.cpp.

                                      {
 
      auto p1 = d_obj[0]->box(tol).first;
      auto p2 = d_obj[0]->box(tol).second;
 
      for (size_t i = 1; i < d_objFlag.size(); i++) {
 
        auto q1 = d_obj[i]->box(tol).first;
        auto q2 = d_obj[i]->box(tol).second;
 
        for (size_t i = 0; i < 3; i++) {
          if (q1[i] < p1[i])
            p1[i] = q1[i];
          if (q2[i] > p2[i])
            p2[i] = q2[i];
        }
      }
 
      return std::make_pair(p1, p2);
    }

◆ center()

util::Point util::geometry::ComplexGeomObject::center ( ) const

overridevirtual

Computes the center of object.

Returns: Point Coordinates of center

Reimplemented from util::geometry::GeomObject.

Definition at line 1852 of file geomObjects.cpp.

                                                          {
 
      // use formula for centroid of composite objects
      auto vol = volume();
      if (util::isGreater(vol, 0.)) {
        auto center = util::Point();
        for (size_t i = 0; i < d_objFlag.size(); i++)
          center += d_obj[i]->volume() * d_objFlagInt[i] * d_obj[i]->center();
        return (1./vol) * center;
      }
      else {
 
        // find biggest object that has positive d_objFlagInt
        // (that is it is a filling and not void object)
        std::vector<double> vol_vec(d_obj.size());
        for (size_t i = 0; i < d_obj.size(); i++)
          vol_vec[i] = d_obj[i]->volume() * d_objFlagInt[i];
 
        auto max_vol_obj = util::methods::maxIndex(vol_vec);
        return d_obj[max_vol_obj]->center();
      }
    }

References util::isGreater(), and util::methods::maxIndex().

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◆ doesIntersect() [1/2]

bool util::geometry::ComplexGeomObject::doesIntersect ( const std::pair< util::Point, util::Point > & box ) const

overridevirtual

Checks if box intersects this object.

Parameters

box Box

Returns: True True if intersects

Reimplemented from util::geometry::GeomObject.

Definition at line 2006 of file geomObjects.cpp.

                                                            {
 
      // need to check all four corner points
      for (auto p: util::getCornerPoints(d_dim, box))
        if (this->isInside(p))
          return true;
 
      return false;
    }

References util::getCornerPoints().

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◆ doesIntersect() [2/2]

bool util::geometry::ComplexGeomObject::doesIntersect ( const util::Point & x ) const

overridevirtual

Checks if point lies exactly on the boundary.

Parameters

x Point

Returns: True True if it lies on the boundary

Reimplemented from util::geometry::GeomObject.

Definition at line 1966 of file geomObjects.cpp.

                                      {
 
      return isNearBoundary(x, 1.0E-8, false);
    }

◆ inscribedRadius()

double util::geometry::ComplexGeomObject::inscribedRadius ( ) const

overridevirtual

Computes the radius of biggest circle/sphere completely within the object.

Returns: Radius Radius of inscribed circle/sphere

Reimplemented from util::geometry::GeomObject.

Definition at line 1903 of file geomObjects.cpp.

                                                                {
 
      auto box = this->box();
      return 0.5 * (box.first - box.second).length();
    }

◆ isInside() [1/2]

bool util::geometry::ComplexGeomObject::isInside ( const std::pair< util::Point, util::Point > & box ) const

overridevirtual

Checks if box is completely inside.

Parameters

box Box

Returns: True True if box lies inside

Reimplemented from util::geometry::GeomObject.

Definition at line 1972 of file geomObjects.cpp.

                                                            {
 
      for (auto p: util::getCornerPoints(d_dim, box))
        if (!this->isInside(p))
          return false;
 
      return true;
    }

References util::getCornerPoints().

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◆ isInside() [2/2]

bool util::geometry::ComplexGeomObject::isInside ( const util::Point & x ) const

overridevirtual

Checks if point is inside this object.

Parameters

x Point

Returns: True If point lies inside

Reimplemented from util::geometry::GeomObject.

Definition at line 1916 of file geomObjects.cpp.

                                                                    {
 
      // point inside means x should be inside in the object with plus flag and
      // outside in the object with minus flag
      bool point_inside = d_obj[0]->isInside(x);
      for (size_t i = 1; i < d_objFlag.size(); i++) {
 
        const auto &obj_i = d_obj[i];
        if (d_objFlagInt[i] < 0)
          point_inside = point_inside and !obj_i->isInside(x);
        else
          point_inside = point_inside or obj_i->isInside(x);
      }
 
      return point_inside;
    }

◆ isNear() [1/2]

bool util::geometry::ComplexGeomObject::isNear	(	const std::pair< util::Point, util::Point > &	box,
		const double &	tol
	)		const

overridevirtual

Checks if box is within given distance of this object.

Parameters

box	Box
tol	Tolerance used in checking the nearness

Returns: True True if box is inside within the tol distance

Reimplemented from util::geometry::GeomObject.

Definition at line 1992 of file geomObjects.cpp.

                                     {
 
      bool is_near = d_obj[0]->isNear(box, tol);
      for (size_t i = 1; i < d_objFlag.size(); i++) {
 
        const auto &obj_i = d_obj[i];
        is_near = is_near or obj_i->isNear(box, tol);
      }
 
      return is_near;
    }

◆ isNear() [2/2]

bool util::geometry::ComplexGeomObject::isNear	(	const util::Point &	x,
		const double &	tol
	)		const

overridevirtual

Checks if point is within given distance of this object.

Parameters

x	Point
tol	Tolerance used in checking the nearness

Returns: True True if within the tol distance

Reimplemented from util::geometry::GeomObject.

Definition at line 1938 of file geomObjects.cpp.

                                                                            {
 
      bool is_near = d_obj[0]->isNear(x, tol);
      for (size_t i = 1; i < d_objFlag.size(); i++) {
 
        const auto &obj_i = d_obj[i];
        is_near = is_near or obj_i->isNear(x, tol);
      }
 
      return is_near;
    }

◆ isNearBoundary()

bool util::geometry::ComplexGeomObject::isNearBoundary	(	const util::Point &	x,
		const double &	tol,
		const bool &	within
	)		const

overridevirtual

cons

Reimplemented from util::geometry::GeomObject.

Definition at line 1951 of file geomObjects.cpp.

                                                                          {
 
      bool is_near = d_obj[0]->isNearBoundary(x, tol, within);
      for (size_t i = 1; i < d_objFlag.size(); i++) {
 
        const auto &obj_i = d_obj[i];
        is_near = is_near or obj_i->isNearBoundary(x, tol, within);
      }
 
      return is_near;
    }

◆ isOutside() [1/2]

bool util::geometry::ComplexGeomObject::isOutside ( const std::pair< util::Point, util::Point > & box ) const

overridevirtual

Checks if box is outside of the object.

Parameters

box Box

Returns: True True if box lies outside

Reimplemented from util::geometry::GeomObject.

Definition at line 1982 of file geomObjects.cpp.

                                                            {
 
      bool intersect = false;
      for (auto p: util::getCornerPoints(d_dim, box))
        intersect = this->isInside(p);
 
      return !intersect;
    }

References util::getCornerPoints().

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◆ isOutside() [2/2]

bool util::geometry::ComplexGeomObject::isOutside ( const util::Point & x ) const

overridevirtual

Checks if point is outside of this object.

Parameters

x Point

Returns: True If point lies outside

Reimplemented from util::geometry::GeomObject.

Definition at line 1934 of file geomObjects.cpp.

                                                                     {
      return !isInside(x);
    }

◆ print() [1/2]

void util::geometry::ComplexGeomObject::print ( ) const

inlineoverridevirtual

Prints the information about the object.

Reimplemented from util::geometry::GeomObject.

Definition at line 2884 of file geomObjects.h.

2884{ print(0, 0); };

util::geometry::ComplexGeomObject::print

void print() const override

Prints the information about the object.

Definition geomObjects.h:2884

References print().

Referenced by print().

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◆ print() [2/2]

void util::geometry::ComplexGeomObject::print	(	int	nt,
		int	lvl
	)		const

inlineoverridevirtual

Prints the information about the object.

Parameters

nt	Number of tabs to append before printing
lvl	Information level (higher means more information)

Reimplemented from util::geometry::GeomObject.

Definition at line 2877 of file geomObjects.h.

                                                       {
              std::cout << printStr(nt, lvl);
            };

References d_dim, and printStr().

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◆ printStr()

std::string util::geometry::ComplexGeomObject::printStr	(	int	nt,
		int	lvl
	)		const

overridevirtual

Returns the string containing printable information about the object.

Parameters

nt	Number of tabs to append before printing
lvl	Information level (higher means more information)

Returns: string String containing printable information about the object

Reimplemented from util::geometry::GeomObject.

Definition at line 2018 of file geomObjects.cpp.

                                                                 {
 
      auto tabS = util::io::getTabS(nt);
 
      std::ostringstream oss;
 
      oss << tabS << "------- ComplexGeomObject --------" << std::endl
          << std::endl;
      oss << tabS << "Name = " << d_name << std::endl;
      oss << tabS << "Center = " << center().printStr() << std::endl;
      oss << tabS << "Object info:" << std::endl;
      auto ocount = 0;
      for (const auto &p: d_obj) {
        oss << tabS << "Object id: " << ocount << std::endl;
        oss << tabS << "Object flag: " << d_objFlag[ocount] << std::endl;
        oss << tabS << "Object int flag: " << d_objFlagInt[ocount] << std::endl;
        oss << p->printStr(nt + 1, lvl);
        ocount++;
      }
 
      if (lvl > 0)
        oss << tabS << "Bounding box: "
            << util::io::printBoxStr(box(0.), nt + 1);
 
      if (lvl == 0)
        oss << std::endl;
 
      return oss.str();
    }

References util::io::getTabS(), and util::io::printBoxStr().

Referenced by print().

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◆ volume()

double util::geometry::ComplexGeomObject::volume ( ) const

overridevirtual

Computes the volume (area in 2d, length in 1d) of object.

Returns: Volume Volume of object

Reimplemented from util::geometry::GeomObject.

Definition at line 1843 of file geomObjects.cpp.

                                                       {
 
      double volume = 0.;
      for (size_t i = 0; i < d_objFlag.size(); i++)
        volume += d_obj[i]->volume() * d_objFlagInt[i];
 
      return volume;
    }

Field Documentation

◆ d_dim

size_t util::geometry::ComplexGeomObject::d_dim

Dimension objects live in.

Definition at line 2905 of file geomObjects.h.

Referenced by ComplexGeomObject(), and print().

◆ d_obj

std::vector<std::shared_ptr<util::geometry::GeomObject> > util::geometry::ComplexGeomObject::d_obj

Object.

Definition at line 2887 of file geomObjects.h.

◆ d_objFlag

std::vector<std::string> util::geometry::ComplexGeomObject::d_objFlag

Object flag.

Ordering of objects is important. To describe a rectangle with circular hole, we will have d_obj = {rectangle, circle} and have flag = {plus, minus}. This means final object is rectangle - circle

Definition at line 2897 of file geomObjects.h.

Referenced by ComplexGeomObject().

◆ d_objFlagInt

std::vector<int> util::geometry::ComplexGeomObject::d_objFlagInt

Object integer flags. Here, +1 means object is filling and -1 means object is void.

Definition at line 2902 of file geomObjects.h.

Referenced by ComplexGeomObject().

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

/home/user/project/src/util/geomObjects.h
/home/user/project/src/util/geomObjects.cpp

Public Member Functions

Data Fields

Detailed Description

Constructor & Destructor Documentation

◆ ComplexGeomObject() [1/2]

◆ ComplexGeomObject() [2/2]

Member Function Documentation

◆ boundingRadius()

◆ box() [1/2]

◆ box() [2/2]

◆ center()

◆ doesIntersect() [1/2]

◆ doesIntersect() [2/2]

◆ inscribedRadius()

◆ isInside() [1/2]

◆ isInside() [2/2]

◆ isNear() [1/2]

◆ isNear() [2/2]

◆ isNearBoundary()

◆ isOutside() [1/2]

◆ isOutside() [2/2]

◆ print() [1/2]

◆ print() [2/2]

◆ printStr()

◆ volume()

Field Documentation

◆ d_dim

◆ d_obj

◆ d_objFlag

◆ d_objFlagInt