Mesh Oriented datABase  (version 5.4.1)
Array-based unstructured mesh datastructure
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moab::HomCoord Class Reference

Homogeneous coordinate vector. More...

#include <HomXform.hpp>

+ Collaboration diagram for moab::HomCoord:

Public Member Functions

 HomCoord ()
 constructors
 HomCoord (const int coords[], const int num_coords=4)
 HomCoord (const int coord0, const int coord1, const int coord2, const int coord3)
 HomCoord (const int coord0, const int coord1, const int coord2)
 HomCoord (const HomCoord &coord)
void set (const int coords[])
 set function
void set (const int i, const int j, const int k, const int h=1)
const int * hom_coord () const
 get function
int i () const
 parameter-based access functions
int j () const
int k () const
int h () const
int length_squared () const
 squared length
int length () const
 length
void normalize ()
 normalize
HomCoord & operator*= (const HomXform &rhs2)
 operators
HomCoord operator* (const HomXform &rhs2) const
HomCoord & operator*= (const int mult)
HomCoord operator* (const int mult) const
HomCoord & operator/= (const HomXform &rhs2)
HomCoord operator/ (const HomXform &rhs2) const
HomCoord & operator/= (const int mult)
HomCoord operator/ (const int mult) const
HomCoord & operator+= (const HomCoord &rhs1)
HomCoord operator+ (const HomCoord &rhs1) const
HomCoord & operator-= (const HomCoord &rhs1)
HomCoord operator- (const HomCoord &rhs1) const
HomCoord & operator= (const HomCoord &rhs)
int operator% (const HomCoord &rhs) const
HomCoord operator* (const HomCoord &rhs) const
HomCoord & operator*= (const HomCoord &rhs)
bool operator== (const HomCoord &rhs1) const
bool operator!= (const HomCoord &rhs1) const
bool operator>= (const HomCoord &rhs1) const
bool operator<= (const HomCoord &rhs1) const
bool operator> (const HomCoord &rhs1) const
bool operator< (const HomCoord &rhs1) const
int operator[] (const int &param) const
int & operator[] (const int &param)

Static Public Member Functions

static HomCoord & getUnitv (int c)

Static Public Attributes

static MOAB_EXPORT HomCoord unitv [3] = { HomCoord( 1, 0, 0 ), HomCoord( 0, 1, 0 ), HomCoord( 0, 0, 1 ) }
static MOAB_EXPORT HomCoord IDENTITY

Private Attributes

int homCoord [4]
 coordinate data

Friends

class HomXform

Detailed Description

Homogeneous coordinate vector.

Examples:
StructuredMeshSimple.cpp.

Definition at line 48 of file HomXform.hpp.

Constructor & Destructor Documentation

moab::HomCoord::HomCoord ( ) [inline]

constructors

Definition at line 215 of file HomXform.hpp.

References homCoord.

Referenced by operator*(), operator*=(), operator+(), operator-(), and operator/().

{
    homCoord[0] = 0;
    homCoord[1] = 0;
    homCoord[2] = 0;
    homCoord[3] = 0;
}
moab::HomCoord::HomCoord ( const int  coords[],
const int  num_coords = 4 
) [inline]

Definition at line 223 of file HomXform.hpp.

References homCoord.

{
    for( int tmpj = 0; tmpj < num_coords; tmpj++ )
        homCoord[tmpj] = coords[tmpj];
    if( num_coords != 4 ) homCoord[3] = 1;
}
moab::HomCoord::HomCoord ( const int  coord0,
const int  coord1,
const int  coord2,
const int  coord3 
) [inline]

Definition at line 230 of file HomXform.hpp.

References homCoord.

{
    homCoord[0] = coord0;
    homCoord[1] = coord1;
    homCoord[2] = coord2;
    homCoord[3] = coord3;
}
moab::HomCoord::HomCoord ( const int  coord0,
const int  coord1,
const int  coord2 
) [inline]

Definition at line 238 of file HomXform.hpp.

References homCoord.

{
    homCoord[0] = coord0;
    homCoord[1] = coord1;
    homCoord[2] = coord2;
    homCoord[3] = 1;
}
moab::HomCoord::HomCoord ( const HomCoord &  coord) [inline]

Definition at line 246 of file HomXform.hpp.

References homCoord.

{
#if defined( __INTEL_COMPILER ) && ( __INTEL_COMPILER < 1310 )
    // Hack Intel compiler 12 issues with -O2 optimization
    int coord0  = coords[0];
    int coord1  = coords[1];
    int coord2  = coords[2];
    int coord3  = coords[3];
    homCoord[0] = coord0;
    homCoord[1] = coord1;
    homCoord[2] = coord2;
    homCoord[3] = coord3;
#else
    homCoord[0] = coords[0];
    homCoord[1] = coords[1];
    homCoord[2] = coords[2];
    homCoord[3] = coords[3];
#endif
}

Member Function Documentation

HomCoord & moab::HomCoord::getUnitv ( int  c) [static]

Definition at line 25 of file HomXform.cpp.

References unitv.

{
    return unitv[c];
}
int moab::HomCoord::h ( ) const [inline]

Definition at line 98 of file HomXform.hpp.

References homCoord.

    {
        return homCoord[3];
    }
const int* moab::HomCoord::hom_coord ( ) const [inline]

get function

Definition at line 77 of file HomXform.hpp.

References homCoord.

Referenced by moab::ScdVertexData::get_vertex(), moab::SweptVertexData::get_vertex(), moab::SweptVertexData::i_max(), moab::ScdVertexData::i_max(), moab::SweptVertexData::i_min(), moab::ScdVertexData::i_min(), moab::ScdVertexData::j_max(), moab::SweptVertexData::j_max(), moab::SweptVertexData::j_min(), moab::ScdVertexData::j_min(), moab::ScdVertexData::k_max(), moab::SweptVertexData::k_max(), moab::ScdVertexData::k_min(), and moab::SweptVertexData::k_min().

    {
        return homCoord;
    }
int moab::HomCoord::i ( ) const [inline]

parameter-based access functions

Definition at line 86 of file HomXform.hpp.

References homCoord.

Referenced by moab::ScdElementData::contains(), moab::ScdElementData::contains_vertex(), moab::SequenceManager::create_scd_sequence(), moab::SequenceManager::create_sweep_sequence(), moab::SweptElementSeq::get_element(), moab::StructuredElementSeq::get_element(), moab::SweptVertexData::get_params(), moab::ScdVertexData::get_params(), moab::SweptElementData::get_params(), moab::ScdElementData::get_params(), moab::SweptElementSeq::i_max(), moab::StructuredElementSeq::i_max(), moab::SweptElementSeq::i_min(), moab::StructuredElementSeq::i_min(), moab::SweptElementSeq::max_params(), moab::StructuredElementSeq::max_params(), moab::SweptElementSeq::min_params(), moab::StructuredElementSeq::min_params(), moab::operator<<(), moab::Skinner::skin_box(), and moab::HomXform::three_pt_xform().

    {
        return homCoord[0];
    }
int moab::HomCoord::j ( ) const [inline]

Definition at line 90 of file HomXform.hpp.

References homCoord.

Referenced by moab::ScdElementData::contains(), moab::ScdElementData::contains_vertex(), moab::SequenceManager::create_scd_sequence(), moab::SequenceManager::create_sweep_sequence(), moab::SweptElementSeq::get_element(), moab::StructuredElementSeq::get_element(), moab::SweptVertexData::get_params(), moab::ScdVertexData::get_params(), moab::SweptElementData::get_params(), moab::ScdElementData::get_params(), moab::SweptElementSeq::j_max(), moab::StructuredElementSeq::j_max(), moab::SweptElementSeq::j_min(), moab::StructuredElementSeq::j_min(), moab::SweptElementSeq::max_params(), moab::StructuredElementSeq::max_params(), moab::SweptElementSeq::min_params(), moab::StructuredElementSeq::min_params(), moab::operator<<(), moab::Skinner::skin_box(), and moab::HomXform::three_pt_xform().

    {
        return homCoord[1];
    }
int moab::HomCoord::k ( ) const [inline]

Definition at line 94 of file HomXform.hpp.

References homCoord.

Referenced by moab::ScdElementData::contains(), moab::ScdElementData::contains_vertex(), moab::SequenceManager::create_scd_sequence(), moab::SequenceManager::create_sweep_sequence(), moab::SweptElementSeq::get_element(), moab::StructuredElementSeq::get_element(), moab::SweptVertexData::get_params(), moab::ScdVertexData::get_params(), moab::SweptElementData::get_params(), moab::ScdElementData::get_params(), moab::SweptElementSeq::k_max(), moab::StructuredElementSeq::k_max(), moab::SweptElementSeq::k_min(), moab::StructuredElementSeq::k_min(), moab::SweptElementSeq::max_params(), moab::StructuredElementSeq::max_params(), moab::SweptElementSeq::min_params(), moab::StructuredElementSeq::min_params(), moab::operator<<(), moab::Skinner::skin_box(), and moab::HomXform::three_pt_xform().

    {
        return homCoord[2];
    }
int moab::HomCoord::length ( ) const [inline]

length

Definition at line 298 of file HomXform.hpp.

References length_squared().

Referenced by normalize().

{
    return (int)std::sqrt( (float)length_squared() );
}
int moab::HomCoord::length_squared ( ) const [inline]

squared length

Definition at line 292 of file HomXform.hpp.

References homCoord.

Referenced by length(), and moab::HomXform::three_pt_xform().

{
    return homCoord[0] * homCoord[0] + homCoord[1] * homCoord[1] + homCoord[2] * homCoord[2];
}
void moab::HomCoord::normalize ( ) [inline]

normalize

Definition at line 304 of file HomXform.hpp.

References length().

Referenced by moab::HomXform::three_pt_xform().

{
    *this /= length();
}
bool moab::HomCoord::operator!= ( const HomCoord &  rhs1) const [inline]

Definition at line 338 of file HomXform.hpp.

References homCoord.

{
    return ( homCoord[0] != rhs1.homCoord[0] || homCoord[1] != rhs1.homCoord[1] || homCoord[2] != rhs1.homCoord[2] ||
             homCoord[3] != rhs1.homCoord[3] );
}
int moab::HomCoord::operator% ( const HomCoord &  rhs) const [inline]

Definition at line 310 of file HomXform.hpp.

References homCoord.

{
    return homCoord[0] * rhs.homCoord[0] + homCoord[1] * rhs.homCoord[1] + homCoord[2] * rhs.homCoord[2];
}
HomCoord moab::HomCoord::operator* ( const HomXform &  rhs2) const [inline]

Definition at line 368 of file HomXform.hpp.

References homCoord, HomCoord(), and moab::HomXform::xForm.

{
    return HomCoord(
        //    homCoord[0]*rhs2[4*0+0] + homCoord[1]*rhs2[4*1+0] +
        //    homCoord[2]*rhs2[4*2+0] + homCoord[3]*rhs2[4*3+0],
        homCoord[0] * rhs2.xForm[0] + homCoord[1] * rhs2.xForm[4] + homCoord[2] * rhs2.xForm[8] +
            homCoord[3] * rhs2.xForm[12],

        //    homCoord[0]*rhs2.xForm[4*0+1] + homCoord[1]*rhs2.xForm[4*1+1] +
        //    homCoord[2]*rhs2.xForm[4*2+1] + homCoord[3]*rhs2.xForm[4*3+1],
        homCoord[0] * rhs2.xForm[1] + homCoord[1] * rhs2.xForm[5] + homCoord[2] * rhs2.xForm[9] +
            homCoord[3] * rhs2.xForm[13],

        //    homCoord[0]*rhs2.xForm[4*0+2] + homCoord[1]*rhs2.xForm[4*1+2] +
        //    homCoord[2]*rhs2.xForm[4*2+2] + homCoord[3]*rhs2.xForm[4*3+2],
        homCoord[0] * rhs2.xForm[2] + homCoord[1] * rhs2.xForm[6] + homCoord[2] * rhs2.xForm[10] +
            homCoord[3] * rhs2.xForm[14],

        //    homCoord[0]*rhs2.xForm[4*0+3] + homCoord[1]*rhs2.xForm[4*1+3] +
        //    homCoord[2]*rhs2.xForm[4*2+3] + homCoord[3]*rhs2.xForm[4*3+3]
        homCoord[0] * rhs2.xForm[3] + homCoord[1] * rhs2.xForm[7] + homCoord[2] * rhs2.xForm[11] +
            homCoord[3] * rhs2.xForm[15] );
}
HomCoord moab::HomCoord::operator* ( const int  mult) const [inline]

Definition at line 417 of file HomXform.hpp.

References homCoord, and HomCoord().

{
    return HomCoord( mult * homCoord[0], mult * homCoord[1], mult * homCoord[2] );
}
HomCoord moab::HomCoord::operator* ( const HomCoord &  rhs) const [inline]

Definition at line 316 of file HomXform.hpp.

References homCoord, and HomCoord().

{
    return HomCoord( homCoord[1] * rhs.homCoord[2] - homCoord[2] * rhs.homCoord[1],
                     homCoord[2] * rhs.homCoord[0] - homCoord[0] * rhs.homCoord[2],
                     homCoord[0] * rhs.homCoord[1] - homCoord[1] * rhs.homCoord[0] );
}
HomCoord & moab::HomCoord::operator*= ( const HomXform &  rhs2) [inline]

operators

Definition at line 392 of file HomXform.hpp.

References homCoord, HomCoord(), and moab::HomXform::xForm.

{
    *this = HomCoord(
        //    homCoord[0]*rhs2.xForm[4*0+0] + homCoord[1]*rhs2.xForm[4*1+0] +
        //    homCoord[2]*rhs2.xForm[4*2+0] + homCoord[3]*rhs2.xForm[4*3+0],
        homCoord[0] * rhs2.xForm[0] + homCoord[1] * rhs2.xForm[4] + homCoord[2] * rhs2.xForm[8] +
            homCoord[3] * rhs2.xForm[12],

        //    homCoord[0]*rhs2.xForm[4*0+1] + homCoord[1]*rhs2.xForm[4*1+1] +
        //    homCoord[2]*rhs2.xForm[4*2+1] + homCoord[3]*rhs2.xForm[4*3+1],
        homCoord[0] * rhs2.xForm[1] + homCoord[1] * rhs2.xForm[5] + homCoord[2] * rhs2.xForm[9] +
            homCoord[3] * rhs2.xForm[13],

        //    homCoord[0]*rhs2.xForm[4*0+2] + homCoord[1]*rhs2.xForm[4*1+2] +
        //    homCoord[2]*rhs2.xForm[4*2+2] + homCoord[3]*rhs2.xForm[4*3+2],
        homCoord[0] * rhs2.xForm[2] + homCoord[1] * rhs2.xForm[6] + homCoord[2] * rhs2.xForm[10] +
            homCoord[3] * rhs2.xForm[14],

        //    homCoord[0]*rhs2.xForm[4*0+3] + homCoord[1]*rhs2.xForm[4*1+3] +
        //    homCoord[2]*rhs2.xForm[4*2+3] + homCoord[3]*rhs2.xForm[4*3+3]
        homCoord[0] * rhs2.xForm[3] + homCoord[1] * rhs2.xForm[7] + homCoord[2] * rhs2.xForm[11] +
            homCoord[3] * rhs2.xForm[15] );
    return *this;
}
HomCoord & moab::HomCoord::operator*= ( const int  mult) [inline]

Definition at line 422 of file HomXform.hpp.

References homCoord.

{
    homCoord[0] *= mult;
    homCoord[1] *= mult;
    homCoord[2] *= mult;
    return *this;
}
HomCoord & moab::HomCoord::operator*= ( const HomCoord &  rhs) [inline]

Definition at line 323 of file HomXform.hpp.

References homCoord, and HomCoord().

{
    *this = HomCoord( homCoord[1] * rhs.homCoord[2] - homCoord[2] * rhs.homCoord[1],
                      homCoord[2] * rhs.homCoord[0] - homCoord[0] * rhs.homCoord[2],
                      homCoord[0] * rhs.homCoord[1] - homCoord[1] * rhs.homCoord[0] );

    return *this;
}
HomCoord moab::HomCoord::operator+ ( const HomCoord &  rhs1) const [inline]

Definition at line 456 of file HomXform.hpp.

References HomCoord().

{
    return HomCoord( *this ) += rhs2;
}
HomCoord & moab::HomCoord::operator+= ( const HomCoord &  rhs1) [inline]

Definition at line 461 of file HomXform.hpp.

References homCoord.

{
    homCoord[0] += rhs2[0];
    homCoord[1] += rhs2[1];
    homCoord[2] += rhs2[2];
    return *this;
}
HomCoord moab::HomCoord::operator- ( const HomCoord &  rhs1) const [inline]

Definition at line 443 of file HomXform.hpp.

References HomCoord().

{
    return HomCoord( *this ) -= rhs2;
}
HomCoord & moab::HomCoord::operator-= ( const HomCoord &  rhs1) [inline]

Definition at line 448 of file HomXform.hpp.

References homCoord.

{
    homCoord[0] -= rhs2[0];
    homCoord[1] -= rhs2[1];
    homCoord[2] -= rhs2[2];
    return *this;
}
HomCoord moab::HomCoord::operator/ ( const HomXform &  rhs2) const [inline]

Definition at line 469 of file HomXform.hpp.

References HomCoord().

{
    return HomCoord( *this ) /= rhs2;
}
HomCoord moab::HomCoord::operator/ ( const int  mult) const [inline]

Definition at line 430 of file HomXform.hpp.

References homCoord, and HomCoord().

{
    return HomCoord( homCoord[0] / div, homCoord[1] / div, homCoord[2] / div );
}
HomCoord & moab::HomCoord::operator/= ( const HomXform &  rhs2) [inline]

Definition at line 474 of file HomXform.hpp.

References moab::HomXform::inverse().

{
    HomXform inv = rhs2.inverse();
    *this *= inv;
    return *this;
}
HomCoord & moab::HomCoord::operator/= ( const int  mult) [inline]

Definition at line 435 of file HomXform.hpp.

References homCoord.

{
    homCoord[0] /= div;
    homCoord[1] /= div;
    homCoord[2] /= div;
    return *this;
}
bool moab::HomCoord::operator< ( const HomCoord &  rhs1) const [inline]

Definition at line 356 of file HomXform.hpp.

References homCoord.

{
    return ( homCoord[0] < rhs1.homCoord[0] && homCoord[1] < rhs1.homCoord[1] && homCoord[2] < rhs1.homCoord[2] &&
             homCoord[3] == rhs1.homCoord[3] );
}
bool moab::HomCoord::operator<= ( const HomCoord &  rhs1) const [inline]

Definition at line 350 of file HomXform.hpp.

References homCoord.

{
    return ( homCoord[0] <= rhs1.homCoord[0] && homCoord[1] <= rhs1.homCoord[1] && homCoord[2] <= rhs1.homCoord[2] &&
             homCoord[3] == rhs1.homCoord[3] );
}
HomCoord & moab::HomCoord::operator= ( const HomCoord &  rhs) [inline]

Definition at line 282 of file HomXform.hpp.

References homCoord.

{
    homCoord[0] = rhs1.homCoord[0];
    homCoord[1] = rhs1.homCoord[1];
    homCoord[2] = rhs1.homCoord[2];
    homCoord[3] = rhs1.homCoord[3];
    return *this;
}
bool moab::HomCoord::operator== ( const HomCoord &  rhs1) const [inline]

Definition at line 332 of file HomXform.hpp.

References homCoord.

{
    return ( homCoord[0] == rhs1.homCoord[0] && homCoord[1] == rhs1.homCoord[1] && homCoord[2] == rhs1.homCoord[2] &&
             homCoord[3] == rhs1.homCoord[3] );
}
bool moab::HomCoord::operator> ( const HomCoord &  rhs1) const [inline]

Definition at line 362 of file HomXform.hpp.

References homCoord.

{
    return ( homCoord[0] > rhs1.homCoord[0] && homCoord[1] > rhs1.homCoord[1] && homCoord[2] > rhs1.homCoord[2] &&
             homCoord[3] == rhs1.homCoord[3] );
}
bool moab::HomCoord::operator>= ( const HomCoord &  rhs1) const [inline]

Definition at line 344 of file HomXform.hpp.

References homCoord.

{
    return ( homCoord[0] >= rhs1.homCoord[0] && homCoord[1] >= rhs1.homCoord[1] && homCoord[2] >= rhs1.homCoord[2] &&
             homCoord[3] == rhs1.homCoord[3] );
}
int moab::HomCoord::operator[] ( const int &  param) const [inline]

Definition at line 481 of file HomXform.hpp.

References homCoord.

{
    return homCoord[param];
}
int & moab::HomCoord::operator[] ( const int &  param) [inline]

Definition at line 486 of file HomXform.hpp.

References homCoord.

{
    return homCoord[param];
}
void moab::HomCoord::set ( const int  coords[]) [inline]

set function

Definition at line 266 of file HomXform.hpp.

References homCoord.

Referenced by moab::ScdInterface::construct_box(), and moab::HomXform::three_pt_xform().

{
    homCoord[0] = coords[0];
    homCoord[1] = coords[1];
    homCoord[2] = coords[2];
    homCoord[3] = coords[3];
}
void moab::HomCoord::set ( const int  i,
const int  j,
const int  k,
const int  h = 1 
) [inline]

Definition at line 274 of file HomXform.hpp.

References homCoord.

{
    homCoord[0] = ip;
    homCoord[1] = jp;
    homCoord[2] = kp;
    homCoord[3] = hp;
}

Friends And Related Function Documentation

friend class HomXform [friend]

Definition at line 60 of file HomXform.hpp.

Member Data Documentation

int moab::HomCoord::homCoord[4] [private]

coordinate data

Definition at line 56 of file HomXform.hpp.

Referenced by h(), hom_coord(), HomCoord(), i(), j(), k(), length_squared(), operator!=(), operator%(), operator*(), operator*=(), operator+=(), operator-=(), operator/(), operator/=(), operator<(), operator<=(), operator=(), operator==(), operator>(), operator>=(), operator[](), set(), and moab::HomXform::three_pt_xform().

HomCoord moab::HomCoord::IDENTITY [static]

Definition at line 63 of file HomXform.hpp.

HomCoord moab::HomCoord::unitv = { HomCoord( 1, 0, 0 ), HomCoord( 0, 1, 0 ), HomCoord( 0, 0, 1 ) } [static]

Definition at line 62 of file HomXform.hpp.

Referenced by moab::SequenceManager::add_vsequence(), moab::SweptElementData::boundary_complete(), moab::ScdElementData::boundary_complete(), and getUnitv().

List of all members.

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