SoNormalBundle - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 3.1.3
Note : Coin

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NAMESoNormalBundle − The SoNormalBundle class simplifies normal handling​.

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SYNOPSIS
Inherits SoBundle​.

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Public Member FunctionsSoNormalBundle (SoAction *action, SbBool forrendering)
~SoNormalBundle ()
SbBool shouldGenerate (int numneeded)
void initGenerator (int initnum=100)
void beginPolygon (void)
void polygonVertex (const SbVec3f &v)
void endPolygon (void)
void triangle (const SbVec3f &p1, const SbVec3f &p2, const SbVec3f &p3)
void generate (int startindex=0, SbBool addtostate=TRUE)
const SbVec3f * getGeneratedNormals (void) const
int getNumGeneratedNormals (void) const
void set (int32_t num, const SbVec3f *normals)
const SbVec3f & get (int index) const
void send (int index) const

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Public AttributesSoNormalGenerator * generator

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Additional Inherited Members

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Detailed DescriptionThe SoNormalBundle class simplifies normal handling​. This class is currently not used in Coin but is provided for API compatibility​.

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Constructor & Destructor Documentation

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SoNormalBundle::SoNormalBundle (SoAction * action, SbBool forrendering)Constructor​.

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SoNormalBundle::~SoNormalBundle ()Destructor​.

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Member Function Documentation

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SbBool SoNormalBundle::shouldGenerate (int numneeded)Returns FALSE if there are normals on the state​. Otherwise initGenerator() is called with numneeded as argument, and TRUE is returned​.

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void SoNormalBundle::initGenerator (int initnum = 100)Initializes the normal generator​. initnum is a hint that should contain the approximate number of normals to be generated​.

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void SoNormalBundle::beginPolygon (void)Start polygon specification​. Call polygonVertex() for each vertex in the polygon, and then endPolygon() to close the polygon​. See also polygonVertex(), endPolygon()

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void SoNormalBundle::polygonVertex (const SbVec3f & v)Call for each vertex in a polygon​. See also beginPolygon(), endPolygon()

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void SoNormalBundle::endPolygon (void)Call to close a polygon​. See also beginPolygon(), polygonVertex()

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void SoNormalBundle::triangle (const SbVec3f & p1, const SbVec3f & p2, const SbVec3f & p3)Convenience method to specify a triangle​. p1, p2, and p3 are the triangles vertices​.

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void SoNormalBundle::generate (int startindex = 0, SbBool addtostate = TRUE)Generate normals for the shape​. startindex should always be 0 (the SoNonIndexedShape::startIndex field is obsoleted)​. addtostate should be true if the generated normals should be pushed onto the current state​.

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const SbVec3f * SoNormalBundle::getGeneratedNormals (void) constReturns the number of generated normals​.

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int SoNormalBundle::getNumGeneratedNormals (void) constReturns a pointer to the generated normals​.

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void SoNormalBundle::set (int32_t num, const SbVec3f * normals)Can be used by nodes that generate their own normals​. The state will be updated with the new normals, and the state will be popped again when the SoNormalBundle destructor is called​.

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const SbVec3f & SoNormalBundle::get (int index) constReturns the index'th normal from the state​.

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void SoNormalBundle::send (int index) constSend the index'th normal to OpenGL​.

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AuthorGenerated automatically by Doxygen for Coin from the source code​. 0

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Johanes Gumabo

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