.TH "SbVec2d" 3 "Tue Jun 23 2026 23:48:38" "Version 4.0.10" "Coin" \" -*- nroff -*-
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.SH NAME
SbVec2d \- The \fBSbVec2d\fP class is a 2 dimensional vector with double precision floating point coordinates\&.  

.SH SYNOPSIS
.br
.PP
.PP
\fR#include <Inventor/SbVec2d\&.h>\fP
.SS "Public Member Functions"

.in +1c
.ti -1c
.RI "\fBSbVec2d\fP (void)"
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.ti -1c
.RI "\fBSbVec2d\fP (const double v[2])"
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.RI "\fBSbVec2d\fP (double x, double y)"
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.RI "\fBSbVec2d\fP (const \fBSbVec2f\fP &v)"
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.ti -1c
.RI "\fBSbVec2d\fP (const \fBSbVec2b\fP &v)"
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.RI "\fBSbVec2d\fP (const \fBSbVec2s\fP &v)"
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.RI "\fBSbVec2d\fP (const \fBSbVec2i32\fP &v)"
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.RI "\fBSbVec2d\fP & \fBsetValue\fP (const double v[2])"
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.ti -1c
.RI "\fBSbVec2d\fP & \fBsetValue\fP (double x, double y)"
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.ti -1c
.RI "\fBSbVec2d\fP & \fBsetValue\fP (const \fBSbVec2f\fP &v)"
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.ti -1c
.RI "\fBSbVec2d\fP & \fBsetValue\fP (const \fBSbVec2b\fP &v)"
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.ti -1c
.RI "\fBSbVec2d\fP & \fBsetValue\fP (const \fBSbVec2s\fP &v)"
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.ti -1c
.RI "\fBSbVec2d\fP & \fBsetValue\fP (const \fBSbVec2i32\fP &v)"
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.ti -1c
.RI "const double * \fBgetValue\fP (void) const"
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.ti -1c
.RI "void \fBgetValue\fP (double &x, double &y) const"
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.RI "double & \fBoperator[]\fP (int i)"
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.RI "const double & \fBoperator[]\fP (int i) const"
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.RI "SbBool \fBequals\fP (const \fBSbVec2d\fP &v, double tolerance) const"
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.RI "double \fBdot\fP (const \fBSbVec2d\fP &v) const"
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.RI "double \fBlength\fP (void) const"
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.RI "double \fBsqrLength\fP (void) const"
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.RI "double \fBnormalize\fP (void)"
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.RI "void \fBnegate\fP (void)"
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.RI "\fBSbVec2d\fP & \fBoperator*=\fP (double d)"
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.RI "\fBSbVec2d\fP & \fBoperator/=\fP (double d)"
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.RI "\fBSbVec2d\fP & \fBoperator+=\fP (const \fBSbVec2d\fP &v)"
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.RI "\fBSbVec2d\fP & \fBoperator\-=\fP (const \fBSbVec2d\fP &v)"
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.RI "\fBSbVec2d\fP \fBoperator\-\fP (void) const"
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.RI "void \fBprint\fP (FILE *fp) const"
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.in -1c
.SS "Protected Attributes"

.in +1c
.ti -1c
.RI "double \fBvec\fP [2]"
.br
.in -1c
.SS "Related Symbols"
(Note that these are not member symbols\&.) 
.in +1c
.ti -1c
.RI "\fBSbVec2d\fP \fBoperator*\fP (const \fBSbVec2d\fP &v, double d)"
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.RI "\fBSbVec2d\fP \fBoperator*\fP (double d, const \fBSbVec2d\fP &v)"
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.RI "\fBSbVec2d\fP \fBoperator/\fP (const \fBSbVec2d\fP &v, double d)"
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.RI "\fBSbVec2d\fP \fBoperator+\fP (const \fBSbVec2d\fP &v1, const \fBSbVec2d\fP &v2)"
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.RI "\fBSbVec2d\fP \fBoperator\-\fP (const \fBSbVec2d\fP &v1, const \fBSbVec2d\fP &v2)"
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.RI "int \fBoperator==\fP (const \fBSbVec2d\fP &v1, const \fBSbVec2d\fP &v2)"
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.RI "int \fBoperator!=\fP (const \fBSbVec2d\fP &v1, const \fBSbVec2d\fP &v2)"
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.in -1c
.SH "Detailed Description"
.PP 
The \fBSbVec2d\fP class is a 2 dimensional vector with double precision floating point coordinates\&. 

This vector class is used by many other classes in Coin\&. It provides storage for a vector in 2 dimensions as well as simple floating point arithmetic operations on this vector\&.

.PP
\fBSee also\fP
.RS 4
\fBSbVec2s\fP, \fBSbVec2f\fP, \fBSbVec3s\fP, \fBSbVec3f\fP, \fBSbVec3d\fP, \fBSbVec4f\fP, \fBSbVec4d\fP\&. 
.RE
.PP

.SH "Constructor & Destructor Documentation"
.PP 
.SS "SbVec2d::SbVec2d (void )\fR [inline]\fP"
The default constructor does nothing\&. The vector coordinates will be uninitialized until you do a \fBsetValue()\fP\&. 
.SS "SbVec2d::SbVec2d (const double v[2])\fR [inline]\fP"
Constructs an \fBSbVec2d\fP instance with initial values from \fIv\fP\&. 
.SS "SbVec2d::SbVec2d (double x, double y)\fR [inline]\fP"
Constructs an \fBSbVec2d\fP instance with the initial vector endpoints from \fIx\fP and \fIy\fP\&. 
.SS "SbVec2d::SbVec2d (const \fBSbVec2f\fP & v)\fR [inline]\fP, \fR [explicit]\fP"
Constructs an \fBSbVec2d\fP instance from an \fBSbVec2f\fP instance\&.

.PP
\fBSince\fP
.RS 4
Coin 2\&.5 
.RE
.PP

.SS "SbVec2d::SbVec2d (const \fBSbVec2b\fP & v)\fR [inline]\fP, \fR [explicit]\fP"
Constructs an \fBSbVec2d\fP instance from an \fBSbVec2b\fP instance\&.

.PP
\fBSince\fP
.RS 4
Coin 2\&.5 
.RE
.PP

.SS "SbVec2d::SbVec2d (const \fBSbVec2s\fP & v)\fR [inline]\fP, \fR [explicit]\fP"
Constructs an \fBSbVec2d\fP instance from an \fBSbVec2s\fP instance\&.

.PP
\fBSince\fP
.RS 4
Coin 2\&.5 
.RE
.PP

.SS "SbVec2d::SbVec2d (const \fBSbVec2i32\fP & v)\fR [inline]\fP, \fR [explicit]\fP"
Constructs an \fBSbVec2d\fP instance from an \fBSbVec2i32\fP instance\&.

.PP
\fBSince\fP
.RS 4
Coin 2\&.5 
.RE
.PP

.SH "Member Function Documentation"
.PP 
.SS "\fBSbVec2d\fP & SbVec2d::setValue (const double v[2])\fR [inline]\fP"
Set new x and y coordinates for the vector from \fIv\fP\&. Returns reference to self\&.

.PP
\fBSee also\fP
.RS 4
\fBgetValue()\fP\&. 
.RE
.PP

.SS "\fBSbVec2d\fP & SbVec2d::setValue (double x, double y)\fR [inline]\fP"
Set new x and y coordinates for the vector\&. Returns reference to self\&.

.PP
\fBSee also\fP
.RS 4
\fBgetValue()\fP\&. 
.RE
.PP

.SS "\fBSbVec2d\fP & SbVec2d::setValue (const \fBSbVec2f\fP & v)"
Sets the value from an \fBSbVec2f\fP instance\&. Returns reference to itself\&.

.PP
\fBSince\fP
.RS 4
Coin 2\&.5 
.RE
.PP

.SS "\fBSbVec2d\fP & SbVec2d::setValue (const \fBSbVec2b\fP & v)"
Sets the value from an \fBSbVec2b\fP instance\&. Returns reference to itself\&.

.PP
\fBSince\fP
.RS 4
Coin 2\&.5 
.RE
.PP

.SS "\fBSbVec2d\fP & SbVec2d::setValue (const \fBSbVec2s\fP & v)"
Sets the value from an \fBSbVec2s\fP instance\&. Returns reference to itself\&.

.PP
\fBSince\fP
.RS 4
Coin 2\&.5 
.RE
.PP

.SS "\fBSbVec2d\fP & SbVec2d::setValue (const \fBSbVec2i32\fP & v)"
Sets the value from an \fBSbVec2i32\fP instance\&. Returns reference to itself\&.

.PP
\fBSince\fP
.RS 4
Coin 2\&.5 
.RE
.PP

.SS "const double * SbVec2d::getValue (void ) const\fR [inline]\fP"
Returns a pointer to an array of two double containing the x and y coordinates of the vector\&.

.PP
\fBSee also\fP
.RS 4
\fBsetValue()\fP\&. 
.RE
.PP

.SS "void SbVec2d::getValue (double & x, double & y) const\fR [inline]\fP"
Returns the x and y coordinates of the vector\&.

.PP
\fBSee also\fP
.RS 4
\fBsetValue()\fP\&. 
.RE
.PP

.SS "double & SbVec2d::operator[] (int i)\fR [inline]\fP"
Index operator\&. Returns modifiable x or y coordinate\&.

.PP
\fBSee also\fP
.RS 4
\fBgetValue()\fP and \fBsetValue()\fP\&. 
.RE
.PP

.SS "const double & SbVec2d::operator[] (int i) const\fR [inline]\fP"
Index operator\&. Returns x or y coordinate\&.

.PP
\fBSee also\fP
.RS 4
\fBgetValue()\fP\&. 
.RE
.PP

.SS "SbBool SbVec2d::equals (const \fBSbVec2d\fP & v, double tolerance) const"
Compares the vector with \fIv\fP and returns \fRTRUE\fP if the distance between the vectors is smaller or equal to the square root of \fItolerance\fP\&. 
.SS "double SbVec2d::dot (const \fBSbVec2d\fP & v) const\fR [inline]\fP"
Calculates and returns the result of taking the dot product of this vector and \fIv\fP\&. 
.SS "double SbVec2d::length (void ) const"
Return length of vector\&. 
.SS "double SbVec2d::sqrLength (void ) const\fR [inline]\fP"
Returns the square of the length of the vector\&. 
.SS "double SbVec2d::normalize (void )"
Normalize the vector to unit length\&. Return value is the original length of the vector before normalization\&. 
.SS "void SbVec2d::negate (void )\fR [inline]\fP"
Negate the vector (i\&.e\&. point it in the opposite direction)\&. 
.SS "\fBSbVec2d\fP & SbVec2d::operator*= (double d)\fR [inline]\fP"
Multiply components of vector with value \fId\fP\&. Returns reference to self\&. 
.SS "\fBSbVec2d\fP & SbVec2d::operator/= (double d)\fR [inline]\fP"
Divides components of vector with value \fId\fP\&. Returns reference to self\&. 
.SS "\fBSbVec2d\fP & SbVec2d::operator+= (const \fBSbVec2d\fP & v)\fR [inline]\fP"
Adds this vector and vector \fIu\fP\&. Returns reference to self\&. 
.SS "\fBSbVec2d\fP & SbVec2d::operator\-= (const \fBSbVec2d\fP & v)\fR [inline]\fP"
Subtracts vector \fIu\fP from this vector\&. Returns reference to self\&. 
.SS "\fBSbVec2d\fP SbVec2d::operator\- (void ) const\fR [inline]\fP"
Non-destructive negation operator\&. Returns a new \fBSbVec2d\fP instance which points in the opposite direction of this vector\&.

.PP
\fBSee also\fP
.RS 4
\fBnegate()\fP\&. 
.RE
.PP

.SS "void SbVec2d::print (FILE * fp) const"
Dump the state of this object to the \fIfp\fP file stream\&. Only works in debug version of library, method does nothing in an optimized build\&. 
.SH "Friends And Related Symbol Documentation"
.PP 
.SS "\fBSbVec2d\fP operator* (const \fBSbVec2d\fP & v, double d)\fR [related]\fP"
Returns an \fBSbVec2d\fP instance which is the components of vector \fIv\fP multiplied with \fId\fP\&. 
.SS "\fBSbVec2d\fP operator* (double d, const \fBSbVec2d\fP & v)\fR [related]\fP"
Returns an \fBSbVec2d\fP instance which is the components of vector \fIv\fP multiplied with \fId\fP\&. 
.SS "\fBSbVec2d\fP operator/ (const \fBSbVec2d\fP & v, double d)\fR [related]\fP"
Returns an \fBSbVec2d\fP instance which is the components of vector \fIv\fP divided on the scalar factor \fId\fP\&. 
.SS "\fBSbVec2d\fP operator+ (const \fBSbVec2d\fP & v1, const \fBSbVec2d\fP & v2)\fR [related]\fP"
Returns an \fBSbVec2d\fP instance which is the sum of vectors \fIv1\fP and \fIv2\fP\&. 
.SS "\fBSbVec2d\fP operator\- (const \fBSbVec2d\fP & v1, const \fBSbVec2d\fP & v2)\fR [related]\fP"
Returns an \fBSbVec2d\fP instance which is vector \fIv2\fP subtracted from vector \fIv1\fP\&. 
.SS "int operator== (const \fBSbVec2d\fP & v1, const \fBSbVec2d\fP & v2)\fR [related]\fP"
Returns \fI1\fP if \fIv1\fP and \fIv2\fP are equal, \fI0\fP otherwise\&.

.PP
\fBSee also\fP
.RS 4
\fBequals()\fP\&. 
.RE
.PP

.SS "int operator!= (const \fBSbVec2d\fP & v1, const \fBSbVec2d\fP & v2)\fR [related]\fP"
Returns \fI1\fP if \fIv1\fP and \fIv2\fP are not equal, \fI0\fP if they are equal\&.

.PP
\fBSee also\fP
.RS 4
\fBequals()\fP\&. 
.RE
.PP


.SH "Author"
.PP 
Generated automatically by Doxygen for Coin from the source code\&.