SbBox3f - Online Linux Manual Page

Section : 3
Updated : Mon Jan 25 2021
Source : Version 4.0.0
Note : Coin
NAMESbBox3f − The SbBox3f class is an abstraction for an axis aligned 3 dimensional box​.
SYNOPSIS
#include <Inventor/SbBox3f​.h> Inherited by SbXfBox3f​.
Public Member FunctionsSbBox3f (void)
SbBox3f (float xmin, float ymin, float zmin, float xmax, float ymax, float zmax)
SbBox3f (const SbVec3f &minpoint, const SbVec3f &maxpoint)
SbBox3f (const SbBox3d &box)
SbBox3f (const SbBox3s &box)
SbBox3f (const SbBox3i32 &box)
SbBox3f & setBounds (float xmin, float ymin, float zmin, float xmax, float ymax, float zmax)
SbBox3f & setBounds (const SbVec3f &minpoint, const SbVec3f &maxpoint)
SbBox3f & setBounds (const SbBox3d &box)
SbBox3f & setBounds (const SbBox3s &box)
SbBox3f & setBounds (const SbBox3i32 &box)
void getBounds (float &xmin, float &ymin, float &zmin, float &xmax, float &ymax, float &zmax) const
void getBounds (SbVec3f &minpoint, SbVec3f &maxpoint) const
const SbVec3f & getMin (void) const
SbVec3f & getMin (void)
const SbVec3f & getMax (void) const
SbVec3f & getMax (void)
void extendBy (const SbVec3f &pt)
void extendBy (const SbBox3f &box)
void transform (const SbMatrix &matrix)
void makeEmpty (void)
SbBool isEmpty (void) const
SbBool hasVolume (void) const
float getVolume (void) const
SbBool intersect (const SbVec3f &pt) const
SbBool intersect (const SbBox3f &box) const
SbVec3f getClosestPoint (const SbVec3f &point) const
SbBool outside (const SbMatrix &mvp, int &cullbits) const
SbVec3f getCenter (void) const
void getOrigin (float &originX, float &originY, float &originZ) const
void getSize (float &sizeX, float &sizeY, float &sizeZ) const
SbVec3f getSize (void) const
void getSpan (const SbVec3f &dir, float &dmin, float &dmax) const
void print (FILE *file) const
Related Functions(Note that these are not member functions​.) int operator== (const SbBox3f &b1, const SbBox3f &b2)
int operator!= (const SbBox3f &b1, const SbBox3f &b2)
Detailed DescriptionThe SbBox3f class is an abstraction for an axis aligned 3 dimensional box​. This box abstraction class is used by other entities in the Coin library for data exchange and storage​. It provides a representation of the defining corners of a box in 3D space, with the sides aligned with the 3 principal axes​. See also SbBox2s, SbBox2f, SbBox2d, SbBox3s, SbBox3d, SbXfBox3f​.
Constructor & Destructor Documentation
SbBox3f::SbBox3f (void) [inline]The default constructor makes an empty box​.
SbBox3f::SbBox3f (float minx, float miny, float minz, float maxx, float maxy, float maxz) [inline]Constructs a box with the given corners​. minx should be less than maxx, miny should be less than maxy and minz should be less than maxz if you want to make a valid box​.
SbBox3f::SbBox3f (const SbVec3f & minval, const SbVec3f & maxval) [inline]Constructs a box with the given corners​. The coordinates of min should be less than the coordinates of max if you want to make a valid box​.
Member Function Documentation
SbBox3f & SbBox3f::setBounds (float minx, float miny, float minz, float maxx, float maxy, float maxz) [inline]Reset the boundaries of the box​. minx should be less than maxx, miny should be less than maxy and minz should be less than maxz if you want to make a valid box​. Returns reference to self​. See also getBounds()​.
SbBox3f & SbBox3f::setBounds (const SbVec3f & minval, const SbVec3f & maxval) [inline]Reset the boundaries of the box with the given corners​. The coordinates of min should be less than the coordinates of max if you want to make a valid box​. Returns reference to self​. See also getBounds()​.
SbBox3f & SbBox3f::setBounds (const SbBox3d & box)Reset the boundaries to the boundaries of the given box​. Returns reference to self​. See also getBounds()​.
SbBox3f & SbBox3f::setBounds (const SbBox3s & box)Reset the boundaries to the boundaries of the given box​. Returns reference to self​. See also getBounds()​.
SbBox3f & SbBox3f::setBounds (const SbBox3i32 & box)Reset the boundaries to the boundaries of the given box​. Returns reference to self​. See also getBounds()​.
void SbBox3f::getBounds (float & minx, float & miny, float & minz, float & maxx, float & maxy, float & maxz) const [inline]Returns the box boundaries​. See also setBounds()​.
void SbBox3f::getBounds (SbVec3f & minobj, SbVec3f & maxobj) const [inline]Returns the box corner points​. See also setBounds()​.
const SbVec3f & SbBox3f::getMin (void) const [inline]Returns the minimum point​. This should usually be the lower left corner point of the box​. See also getOrigin(), getMax()​.
SbVec3f & SbBox3f::getMin (void) [inline]Returns a modifiable reference the minimum point​.
const SbVec3f & SbBox3f::getMax (void) const [inline]Returns the maximum point​. This should usually be the upper right corner point of the box​. See also getMin()​.
SbVec3f & SbBox3f::getMax (void) [inline]Returns a modifiable reference the maximum point​.
void SbBox3f::extendBy (const SbVec3f & point)Extend the boundaries of the box by the given point, i​.e​. make the point fit inside the box if it isn't already so​.
void SbBox3f::extendBy (const SbBox3f & box)Extend the boundaries of the box by the given box parameter​. This is equal to calling extendBy() twice with the corner points​.
void SbBox3f::transform (const SbMatrix & matrix)Transform the box by the matrix, and change its boundaries to contain the transformed box​. Doesn't touch illegal/empty boxes​.
void SbBox3f::makeEmpty (void)Marks this as an empty box​. See also isEmpty()​.
SbBool SbBox3f::isEmpty (void) const [inline]Check if this has been marked as an empty box​. See also makeEmpty()​.
SbBool SbBox3f::hasVolume (void) const [inline]Check if the box has been correctly specified and by that virtue has volume​.
float SbBox3f::getVolume (void) const [inline]Check if the box has 'positive' volume, i​.e​. the lower left corner is actually lower and more left than the maximum point​.
SbBool SbBox3f::intersect (const SbVec3f & point) constCheck if the given point lies within the boundaries of this box​.
SbBool SbBox3f::intersect (const SbBox3f & box) constCheck if the given box lies wholly or partly within the boundaries of this box​.
SbVec3f SbBox3f::getClosestPoint (const SbVec3f & point) constReturn the point on the box closest to the given point​.
SbBool SbBox3f::outside (const SbMatrix & mvp, int & cullbits) constCheck if the box is outside the view volume defined by the mvp matrix​. Sets cullbits according to which planes we're inside or outside​. Bit 0 (0x1) is cleared when box is completely inside left and right clipping planes​. Bit 1 (0x2) is cleared when box is inside top and bottom clipping planes​. Bit 2 (0x4) is cleared when box is inside near and far clipping planes​. Returns TRUE if box is completely outside one of the clipping planes​. FALSE otherwise​.
SbVec3f SbBox3f::getCenter (void) const [inline]Returns the center point of the box​.
void SbBox3f::getOrigin (float & x0, float & y0, float & z0) const [inline]Returns the coordinates of the box origin (i​.e​. the lower left corner)​. See also getMin()​.
void SbBox3f::getSize (float & dx, float & dy, float & dz) const [inline]Returns width, height and depth of box​.
SbVec3f SbBox3f::getSize (void) const [inline]Returns width, height and depth of box as a 3D vector​. Since Coin 3​.0
void SbBox3f::getSpan (const SbVec3f & dir, float & dmin, float & dmax) constFind the span of the box in the given direction (i​.e​. how much room in the given direction the box needs)​. The distance is returned as the minimum and maximum distance from origo to the closest and furthest plane defined by the direction vector and each of the box' corners​. The difference between these values gives the span​.
void SbBox3f::print (FILE * fp) constDump the state of this object to the file stream​. Only works in debug version of library, method does nothing in an optimized compile​.
Friends And Related Function Documentation
int operator== (const SbBox3f & b1, const SbBox3f & b2) [related]Check b1 and b2 for equality​.
int operator!= (const SbBox3f & b1, const SbBox3f & b2) [related]Check b1 and b2 for inequality​.
AuthorGenerated automatically by Doxygen for Coin from the source code​. 0
Johanes Gumabo
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