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SHAPE_SEGMENT Class Reference

#include <shape_segment.h>

Inheritance diagram for SHAPE_SEGMENT:
SHAPE

Public Member Functions

 SHAPE_SEGMENT ()
 
 SHAPE_SEGMENT (const VECTOR2I &aA, const VECTOR2I &aB, int aWidth=0)
 
 SHAPE_SEGMENT (const SEG &aSeg, int aWidth=0)
 
 ~SHAPE_SEGMENT ()
 
SHAPEClone () const override
 Function Clone() More...
 
const BOX2I BBox (int aClearance=0) const override
 Function BBox() More...
 
bool Collide (const SHAPE *aShape, int aClearance, VECTOR2I *aMTV) const override
 Function Collide() More...
 
bool Collide (const SHAPE *aShape, int aClearance=0, int *aActual=nullptr) const override
 
bool Collide (const SEG &aSeg, int aClearance=0, int *aActual=nullptr) const override
 Function Collide() More...
 
bool Collide (const VECTOR2I &aP, int aClearance=0, int *aActual=nullptr) const override
 Function Collide() More...
 
void SetSeg (const SEG &aSeg)
 
const SEGGetSeg () const
 
void SetWidth (int aWidth)
 
int GetWidth () const
 
bool IsSolid () const override
 
void Rotate (double aAngle, const VECTOR2I &aCenter={ 0, 0 }) override
 Function Rotate. More...
 
void Move (const VECTOR2I &aVector) override
 
SHAPE_TYPE Type () const
 Function Type() More...
 
virtual VECTOR2I Centre () const
 Function Centre() More...
 
virtual bool Parse (std::stringstream &aStream)
 
virtual const std::string Format () const
 
FACETNewFacet ()
 
SGNODECalcShape (SGNODE *aParent, SGNODE *aColor, WRL1_ORDER aVertexOrder, float aCreaseLimit=0.74317, bool isVRML2=false)
 

Protected Types

typedef VECTOR2I::extended_type ecoord
 

Protected Attributes

SHAPE_TYPE m_type
 

type of our shape

More...
 

Private Attributes

SEG m_seg
 
int m_width
 

Detailed Description

Definition at line 35 of file shape_segment.h.

Member Typedef Documentation

◆ ecoord

typedef VECTOR2I::extended_type SHAPE::ecoord
protectedinherited

Definition at line 77 of file shape.h.

Constructor & Destructor Documentation

◆ SHAPE_SEGMENT() [1/3]

SHAPE_SEGMENT::SHAPE_SEGMENT ( )
inline

Definition at line 38 of file shape_segment.h.

38  :
39  SHAPE( SH_SEGMENT ), m_width( 0 ) {};
SHAPE(SHAPE_TYPE aType)
Constructor.
Definition: shape.h:86
axis-aligned rectangle
Definition: shape.h:42

Referenced by Clone().

◆ SHAPE_SEGMENT() [2/3]

SHAPE_SEGMENT::SHAPE_SEGMENT ( const VECTOR2I aA,
const VECTOR2I aB,
int  aWidth = 0 
)
inline

Definition at line 41 of file shape_segment.h.

41  :
42  SHAPE( SH_SEGMENT ), m_seg( aA, aB ), m_width( aWidth ) {};
SHAPE(SHAPE_TYPE aType)
Constructor.
Definition: shape.h:86
axis-aligned rectangle
Definition: shape.h:42

◆ SHAPE_SEGMENT() [3/3]

SHAPE_SEGMENT::SHAPE_SEGMENT ( const SEG aSeg,
int  aWidth = 0 
)
inline

Definition at line 44 of file shape_segment.h.

44  :
45  SHAPE( SH_SEGMENT ), m_seg( aSeg ), m_width( aWidth ) {};
SHAPE(SHAPE_TYPE aType)
Constructor.
Definition: shape.h:86
axis-aligned rectangle
Definition: shape.h:42

◆ ~SHAPE_SEGMENT()

SHAPE_SEGMENT::~SHAPE_SEGMENT ( )
inline

Definition at line 47 of file shape_segment.h.

47 {};

Member Function Documentation

◆ BBox()

const BOX2I SHAPE_SEGMENT::BBox ( int  aClearance = 0) const
inlineoverridevirtual

Function BBox()

Computes a bounding box of the shape, with a margin of aClearance a collision.

Parameters
aClearancehow much the bounding box is expanded wrs to the minimum enclosing rectangle for the shape.
Returns
the bounding box.

Implements SHAPE.

Definition at line 54 of file shape_segment.h.

55  {
56  return BOX2I( m_seg.A, m_seg.B - m_seg.A ).Inflate( aClearance + ( m_width + 1 ) / 2 );
57  }
BOX2< VECTOR2I > BOX2I
Definition: box2.h:521
BOX2< Vec > & Inflate(coord_type dx, coord_type dy)
Function Inflate inflates the rectangle horizontally by dx and vertically by dy.
Definition: box2.h:301
VECTOR2I A
Definition: seg.h:47
VECTOR2I B
Definition: seg.h:48

References SEG::A, SEG::B, BOX2< Vec >::Inflate(), m_seg, and m_width.

◆ CalcShape()

SGNODE * SHAPE::CalcShape ( SGNODE aParent,
SGNODE aColor,
WRL1_ORDER  aVertexOrder,
float  aCreaseLimit = 0.74317,
bool  isVRML2 = false 
)
inherited

Definition at line 713 of file wrlfacet.cpp.

715 {
716  if( facets.empty() || !facets.front()->HasMinPoints() )
717  return NULL;
718 
719  std::vector< std::list< FACET* > > flist;
720 
721  // determine the max. index and size flist as appropriate
722  std::list< FACET* >::iterator sF = facets.begin();
723  std::list< FACET* >::iterator eF = facets.end();
724 
725  int maxIdx = 0;
726  int tmi;
727  float maxV = 0.0;
728  float tV = 0.0;
729 
730  while( sF != eF )
731  {
732  tV = (*sF)->CalcFaceNormal();
733  tmi = (*sF)->GetMaxIndex();
734 
735  if( tmi > maxIdx )
736  maxIdx = tmi;
737 
738  if( tV > maxV )
739  maxV = tV;
740 
741  ++sF;
742  }
743 
744  ++maxIdx;
745 
746  if( maxIdx < 3 )
747  return NULL;
748 
749  flist.resize( maxIdx );
750 
751  // create the lists of facets common to indices
752  sF = facets.begin();
753 
754  while( sF != eF )
755  {
756  (*sF)->Renormalize( tV );
757  (*sF)->CollectVertices( flist );
758  ++sF;
759  }
760 
761  // calculate the normals
762  size_t vs = flist.size();
763 
764  for( size_t i = 0; i < vs; ++i )
765  {
766  sF = flist[i].begin();
767  eF = flist[i].end();
768 
769  while( sF != eF )
770  {
771  (*sF)->CalcVertexNormal( i, flist[i], aCreaseLimit );
772  ++sF;
773  }
774  }
775 
776  std::vector< WRLVEC3F > vertices;
777  std::vector< WRLVEC3F > normals;
778  std::vector< SGCOLOR > colors;
779 
780  // push the facet data to the final output list
781  sF = facets.begin();
782  eF = facets.end();
783 
784  while( sF != eF )
785  {
786  (*sF)->GetData( vertices, normals, colors, aVertexOrder );
787  ++sF;
788  }
789 
790  flist.clear();
791 
792  if( vertices.size() < 3 )
793  return NULL;
794 
795  IFSG_SHAPE shapeNode( false );
796 
797  if( !isVRML2 )
798  {
799  shapeNode.NewNode( aParent );
800 
801  if( aColor )
802  {
803  if( NULL == S3D::GetSGNodeParent( aColor ) )
804  shapeNode.AddChildNode( aColor );
805  else
806  shapeNode.AddRefNode( aColor );
807  }
808  }
809 
810  std::vector< SGPOINT > lCPts; // vertex points in SGPOINT (double) format
811  std::vector< SGVECTOR > lCNorm; // per-vertex normals
812  vs = vertices.size();
813 
814  for( size_t i = 0; i < vs; ++i )
815  {
816  SGPOINT pt;
817  pt.x = vertices[i].x;
818  pt.y = vertices[i].y;
819  pt.z = vertices[i].z;
820  lCPts.push_back( pt );
821  lCNorm.emplace_back( normals[i].x, normals[i].y, normals[i].z );
822  }
823 
824  vertices.clear();
825  normals.clear();
826 
827  IFSG_FACESET fsNode( false );
828 
829  if( !isVRML2 )
830  fsNode.NewNode( shapeNode );
831  else
832  fsNode.NewNode( aParent );
833 
834  IFSG_COORDS cpNode( fsNode );
835  cpNode.SetCoordsList( lCPts.size(), &lCPts[0] );
836  IFSG_COORDINDEX ciNode( fsNode );
837 
838  for( int i = 0; i < (int)lCPts.size(); ++i )
839  ciNode.AddIndex( i );
840 
841  IFSG_NORMALS nmNode( fsNode );
842  nmNode.SetNormalList( lCNorm.size(), &lCNorm[0] );
843 
844  if( !colors.empty() )
845  {
846  IFSG_COLORS nmColor( fsNode );
847  nmColor.SetColorList( colors.size(), &colors[0] );
848  colors.clear();
849  }
850 
851  if( !isVRML2 )
852  return shapeNode.GetRawPtr();
853 
854  return fsNode.GetRawPtr();
855 }
double x
Definition: sg_base.h:70
IFSG_COORDS is the wrapper for SGCOORDS.
Definition: ifsg_coords.h:40
IFSG_COORDINDEX is the wrapper for SGCOORDINDEX.
IFSG_COLORS is the wrapper for SGCOLORS.
Definition: ifsg_colors.h:41
SGLIB_API SGNODE * GetSGNodeParent(SGNODE *aNode)
Definition: ifsg_api.cpp:636
double y
Definition: sg_base.h:71
IFSG_NORMALS is the wrapper for the SGNORMALS class.
Definition: ifsg_normals.h:40
#define NULL
std::list< FACET * > facets
Definition: wrlfacet.h:143
IFSG_FACESET is the wrapper for the SGFACESET class.
Definition: ifsg_faceset.h:40
double z
Definition: sg_base.h:72
static VRML_COLOR colors[VRML_COLOR_LAST]
IFSG_SHAPE is the wrapper for the SGSHAPE class.
Definition: ifsg_shape.h:40

References IFSG_NODE::AddChildNode(), IFSG_INDEX::AddIndex(), IFSG_NODE::AddRefNode(), colors, SHAPE::facets, IFSG_NODE::GetRawPtr(), S3D::GetSGNodeParent(), IFSG_FACESET::NewNode(), IFSG_SHAPE::NewNode(), NULL, IFSG_COLORS::SetColorList(), IFSG_COORDS::SetCoordsList(), IFSG_NORMALS::SetNormalList(), SGPOINT::x, SGPOINT::y, and SGPOINT::z.

Referenced by WRL1FACESET::TranslateToSG(), X3DIFACESET::TranslateToSG(), and WRL2FACESET::TranslateToSG().

◆ Centre()

virtual VECTOR2I SHAPE::Centre ( ) const
inlinevirtualinherited

Function Centre()

Computes a center-of-mass of the shape

Returns
the center-of-mass point

Definition at line 173 of file shape.h.

174  {
175  return BBox( 0 ).Centre(); // if nothing better is available....
176  }
virtual const BOX2I BBox(int aClearance=0) const =0
Function BBox()
Vec Centre() const
Definition: box2.h:78

References SHAPE::BBox(), and BOX2< Vec >::Centre().

Referenced by PNS_PCBNEW_RULE_RESOLVER::CollideHoles().

◆ Clone()

SHAPE* SHAPE_SEGMENT::Clone ( ) const
inlineoverridevirtual

Function Clone()

Returns a dynamically allocated copy of the shape

Return values
copyof the shape

Reimplemented from SHAPE.

Definition at line 49 of file shape_segment.h.

50  {
51  return new SHAPE_SEGMENT( m_seg, m_width );
52  }

References m_seg, m_width, and SHAPE_SEGMENT().

◆ Collide() [1/4]

bool SHAPE_SEGMENT::Collide ( const SHAPE aShape,
int  aClearance,
VECTOR2I aMTV 
) const
inlineoverridevirtual

Function Collide()

Checks if the boundary of shape (this) lies closer to the shape aShape than aClearance, indicating a collision.

Parameters
aShapeshape to check collision against
aClearanceminimum clearance
aMTVminimum translation vector
aActualan optional pointer to an int to store the actual distance in the event of a collision.
Returns
true, if there is a collision.

Reimplemented from SHAPE.

Definition at line 59 of file shape_segment.h.

60  {
61  return SHAPE::Collide( aShape, aClearance, aMTV );
62  }
virtual bool Collide(const VECTOR2I &aP, int aClearance=0, int *aActual=nullptr) const
Function Collide()
Definition: shape.h:125

References SHAPE::Collide().

Referenced by Collide(), and DRC::doTrackDrc().

◆ Collide() [2/4]

bool SHAPE_SEGMENT::Collide ( const SHAPE aShape,
int  aClearance = 0,
int *  aActual = nullptr 
) const
inlineoverridevirtual

Reimplemented from SHAPE.

Definition at line 64 of file shape_segment.h.

65  {
66  return SHAPE::Collide( aShape, aClearance, aActual );
67  }
virtual bool Collide(const VECTOR2I &aP, int aClearance=0, int *aActual=nullptr) const
Function Collide()
Definition: shape.h:125

References SHAPE::Collide().

◆ Collide() [3/4]

bool SHAPE_SEGMENT::Collide ( const SEG aSeg,
int  aClearance = 0,
int *  aActual = nullptr 
) const
inlineoverridevirtual

Function Collide()

Checks if the boundary of shape (this) lies closer to the segment aSeg than aClearance, indicating a collision. @aActual an optional pointer to an int to be updated with the actual distance in the case of collision.

Returns
true, if there is a collision.

Implements SHAPE.

Definition at line 69 of file shape_segment.h.

70  {
71  int min_dist = ( m_width + 1 ) / 2 + aClearance;
72  ecoord dist_sq = m_seg.SquaredDistance( aSeg );
73 
74  if( dist_sq == 0 || dist_sq < (ecoord) min_dist * min_dist )
75  {
76  if( aActual )
77  *aActual = std::max( 0, (int) sqrt( dist_sq ) - ( m_width + 1 ) / 2 );
78 
79  return true;
80  }
81 
82  return false;
83  }
ecoord SquaredDistance(const SEG &aSeg) const
Definition: seg.cpp:37
VECTOR2I::extended_type ecoord

References m_seg, m_width, and SEG::SquaredDistance().

◆ Collide() [4/4]

bool SHAPE_SEGMENT::Collide ( const VECTOR2I aP,
int  aClearance = 0,
int *  aActual = nullptr 
) const
inlineoverridevirtual

Function Collide()

Checks if the boundary of shape (this) lies closer to the point aP than aClearance, indicating a collision.

Parameters
aActualan optional pointer to an int to store the actual distance in the event of a collision.
Returns
true, if there is a collision.

Reimplemented from SHAPE.

Definition at line 85 of file shape_segment.h.

86  {
87  int min_dist = ( m_width + 1 ) / 2 + aClearance;
88  ecoord dist_sq = m_seg.SquaredDistance( aP );
89 
90  if( dist_sq == 0 || dist_sq < (ecoord) min_dist * min_dist )
91  {
92  if( aActual )
93  *aActual = std::max( 0, (int) sqrt( dist_sq ) - ( m_width + 1 ) / 2 );
94 
95  return true;
96  }
97 
98  return false;
99  }
ecoord SquaredDistance(const SEG &aSeg) const
Definition: seg.cpp:37
VECTOR2I::extended_type ecoord

References m_seg, m_width, and SEG::SquaredDistance().

◆ Format()

const std::string SHAPE::Format ( ) const
virtualinherited

Reimplemented in SHAPE_POLY_SET, and SHAPE_LINE_CHAIN.

Definition at line 35 of file shape.cpp.

36 {
37  assert( false );
38  return std::string( "" );
39 }

Referenced by SHAPE_FILE_IO::Write().

◆ GetSeg()

◆ GetWidth()

◆ IsSolid()

bool SHAPE_SEGMENT::IsSolid ( ) const
inlineoverridevirtual

Implements SHAPE.

Definition at line 121 of file shape_segment.h.

122  {
123  return true;
124  }

◆ Move()

void SHAPE_SEGMENT::Move ( const VECTOR2I aVector)
inlineoverridevirtual

Implements SHAPE.

Definition at line 138 of file shape_segment.h.

139  {
140  m_seg.A += aVector;
141  m_seg.B += aVector;
142  }
VECTOR2I A
Definition: seg.h:47
VECTOR2I B
Definition: seg.h:48

References SEG::A, SEG::B, and m_seg.

◆ NewFacet()

FACET * SHAPE::NewFacet ( )
inherited

Definition at line 705 of file wrlfacet.cpp.

706 {
707  FACET* fp = new FACET;
708  facets.push_back( fp );
709  return fp;
710 }
Definition: wrlfacet.h:41
std::list< FACET * > facets
Definition: wrlfacet.h:143

References SHAPE::facets.

Referenced by WRL1FACESET::TranslateToSG(), X3DIFACESET::TranslateToSG(), and WRL2FACESET::TranslateToSG().

◆ Parse()

bool SHAPE::Parse ( std::stringstream &  aStream)
virtualinherited

Reimplemented in SHAPE_POLY_SET, and SHAPE_LINE_CHAIN.

Definition at line 28 of file shape.cpp.

29 {
30  assert( false );
31  return false;
32 }

◆ Rotate()

void SHAPE_SEGMENT::Rotate ( double  aAngle,
const VECTOR2I aCenter = { 0, 0 } 
)
inlineoverridevirtual

Function Rotate.

Parameters
aCenteris the rotation center
aAnglerotation angle in radians

Implements SHAPE.

Definition at line 126 of file shape_segment.h.

126  { 0, 0 } ) override
127  {
128  m_seg.A -= aCenter;
129  m_seg.B -= aCenter;
130 
131  m_seg.A = m_seg.A.Rotate( aAngle );
132  m_seg.B = m_seg.B.Rotate( aAngle );
133 
134  m_seg.A += aCenter;
135  m_seg.B += aCenter;
136  }
VECTOR2< T > Rotate(double aAngle) const
Function Rotate rotates the vector by a given angle.
Definition: vector2d.h:377
VECTOR2I A
Definition: seg.h:47
VECTOR2I B
Definition: seg.h:48

◆ SetSeg()

void SHAPE_SEGMENT::SetSeg ( const SEG aSeg)
inline

Definition at line 101 of file shape_segment.h.

102  {
103  m_seg = aSeg;
104  }

References m_seg.

Referenced by PNS::SEGMENT::SetEnds(), and PNS::SEGMENT::SwapEnds().

◆ SetWidth()

void SHAPE_SEGMENT::SetWidth ( int  aWidth)
inline

Definition at line 111 of file shape_segment.h.

112  {
113  m_width = aWidth;
114  }

References m_width.

Referenced by PNS::SEGMENT::SetWidth().

◆ Type()

SHAPE_TYPE SHAPE::Type ( ) const
inlineinherited

Function Type()

Returns the type of the shape.

Return values
thetype

Definition at line 99 of file shape.h.

100  {
101  return m_type;
102  }
SHAPE_TYPE m_type
type of our shape
Definition: shape.h:195

References SHAPE::m_type.

Referenced by PNS::DP_GATEWAYS::BuildFromPrimitivePair(), collideShapes(), PNS::OPTIMIZER::computeBreakouts(), PNS::LOGGER::dumpShape(), PNS::SOLID::Hull(), ROUTER_PREVIEW_ITEM::ViewDraw(), and SHAPE_FILE_IO::Write().

Member Data Documentation

◆ m_seg

SEG SHAPE_SEGMENT::m_seg
private

Definition at line 145 of file shape_segment.h.

Referenced by BBox(), Clone(), Collide(), GetSeg(), Move(), and SetSeg().

◆ m_type

SHAPE_TYPE SHAPE::m_type
protectedinherited

type of our shape

Definition at line 195 of file shape.h.

Referenced by SHAPE::Type().

◆ m_width

int SHAPE_SEGMENT::m_width
private

Definition at line 146 of file shape_segment.h.

Referenced by BBox(), Clone(), Collide(), GetWidth(), and SetWidth().


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