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IgSoTwig Class Reference

#include <Iguana/GLModels/interface/IgSoTwig.h>

Inheritance diagram for IgSoTwig:

List of all members.

Public Member Functions
virtual void	destroy (void)
	IgSoTwig (const std::string &name, bool selectable=false, bool traverse=true, bool visibility=true, bool cascade=true)
	IgSoTwig (IgTwig *parent, const std::string &name, bool selectable=false, bool traverse=true, bool visibility=true, bool cascade=true)
virtual SoGroup *	magic (SoGroup *node)
virtual SoGroup *	magic (void) const
virtual SoGroup *	node (SoGroup *node)
virtual SoGroup *	node (void) const
	~IgSoTwig (void)
Static Public Member Functions
static IgSoTwig *	buildFrom (SoNode *from)
Protected Member Functions
virtual void	cleared (IgTwig *parent)
Static Protected Member Functions
static IgSoTwig *	buildFromOther (SoNode *from)
static IgSoTwig *	buildFromReps (SoNode *from)
static IgSoTwig *	buildFromVis (SoNode *from, bool top)
Private Attributes
SoGroup *	m_magic
SoGroup *	m_node
bool	m_selectable

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Detailed Description

Definition at line 20 of file IgSoTwig.h.

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Constructor & Destructor Documentation

IgSoTwig::IgSoTwig	(	IgTwig *	parent,
		const std::string &	name,
		bool	selectable = false,
		bool	traverse = true,
		bool	visibility = true,
		bool	cascade = true
	)

Definition at line 21 of file IgSoTwig.cc.

References Ig3DBaseModel::encode(), m_magic, m_node, and m_selectable.

Referenced by buildFromOther(), buildFromReps(), and buildFromVis().

    : IgSimpleTwig (parent, name, traverse, visibility, cascade),
      m_magic (0),
      m_node (0),
      m_selectable (selectable)
{
    m_magic = new SoGroup;
    m_magic->ref ();
    m_node = m_selectable ? new SoSelection : new SoSeparator;
    m_node->setName (Ig3DModel::encode (name));
    m_node->ref ();
}

IgSoTwig::IgSoTwig	(	const std::string &	name,
		bool	selectable = false,
		bool	traverse = true,
		bool	visibility = true,
		bool	cascade = true
	)			[explicit]

Definition at line 38 of file IgSoTwig.cc.

References Ig3DBaseModel::encode(), m_magic, m_node, and m_selectable.

    : IgSimpleTwig (0, name, traverse, visibility, cascade),
      m_magic (0),
      m_node (0),
      m_selectable (selectable)
{
    m_magic = new SoGroup;
    m_magic->ref ();
    m_node = m_selectable ? new SoSelection : new SoSeparator;
    m_node->setName (Ig3DModel::encode (name));
    m_node->ref ();
}

IgSoTwig::~IgSoTwig

(

void

)

Definition at line 55 of file IgSoTwig.cc.

References ASSERT, m_magic, and m_node.

{
    ASSERT (m_magic);
    ASSERT (m_node);
    m_magic->unref ();
    m_node->unref ();
}

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Member Function Documentation

IgSoTwig * IgSoTwig::buildFrom

(

SoNode *

from

)

[static]

Definition at line 124 of file IgSoTwig.cc.

References buildFromOther(), buildFromReps(), and buildFromVis().

Referenced by IgIVView::IgIVView().

{
    if (node->isOfType (SoSelection::getClassTypeId ())
        && node->getName () == "IGUANA_SCENE_GRAPH_V2")
        return buildFromReps (node);
    else if (node->isOfType (SoSeparator::getClassTypeId ())
             && node->getName () == "Top")
        return buildFromVis (node, true);
    else if (node->isOfType (SoSelection::getClassTypeId ())
             && ((SoSelection *) node)->getNumChildren ()
             && ((SoSelection *) node)->getChild (0)->isOfType
             (SoSeparator::getClassTypeId ())
             && node->getName () == ""
             && ((SoSelection *) node)->getChild (0)->getName () != "")
        return buildFromVis (node, true);
    else
        return buildFromOther (node);
}

IgSoTwig * IgSoTwig::buildFromOther

(

SoNode *

from

)

[static, protected]

Definition at line 278 of file IgSoTwig.cc.

References IgCompoundTwig::add(), ASSERT, IgSoTwig(), node(), and IgTwig::root().

Referenced by buildFrom().

{
    ASSERT (from);
    IgSoTwig *root = new IgSoTwig ("Root", false, true, true, true);
    IgSoTwig *content = new IgSoTwig ("Objects", false, true, true, true);
    root->add (content);
    content->node ()->addChild (from);

    return root;
}

IgSoTwig * IgSoTwig::buildFromReps

(

SoNode *

from

)

[static, protected]

Definition at line 225 of file IgSoTwig.cc.

References IgCompoundTwig::add(), ASSERT, Ig3DBaseModel::decode(), i, IgSoTwig(), and max.

Referenced by buildFrom().

{
    ASSERT (from);
    ASSERT (from->isOfType (SoGroup::getClassTypeId ()));
    SoGroup *sep = static_cast<SoGroup *> (from);
    IgSoTwig *twig;
    
    if (sep->isOfType (SoSelection::getClassTypeId ()))
    {
        // Create phantom top twig to contain nodes that should go to
        // the scene graph's top magic node.  The real twigs are the
        // children of the top twig.
        ASSERT (sep->getName () == "IGUANA_SCENE_GRAPH_V2");
        ASSERT (sep->getNumChildren () == 1);
        from = sep->getChild (0);
        ASSERT (from->isOfType (SoSeparator::getClassTypeId ()));
        ASSERT (from->getName () == "IGUANA_3D_REP");
        sep = static_cast<SoGroup *> (from);
        ASSERT (sep->getNumChildren () >= 2);
        ASSERT (sep->getChild (0)->isOfType (SoGroup::getClassTypeId ()));
        ASSERT (sep->getChild (1)->isOfType (SoGroup::getClassTypeId ()));
        ASSERT (((SoGroup *) sep->getChild (1))->getNumChildren () == 0);
        twig = new IgSoTwig ("Root", false, true, true, true);
        twig->magic (static_cast<SoGroup *> (sep->getChild (0)));
    }
    else
    {
        ASSERT (sep->isOfType (SoSeparator::getClassTypeId ()));
        ASSERT (sep->getName () == "IGUANA_3D_REP");
        ASSERT (sep->getNumChildren () >= 2);
        ASSERT (sep->getChild (0)->isOfType (SoGroup::getClassTypeId ()));
        ASSERT (sep->getChild (1)->isOfType (SoGroup::getClassTypeId ()));
        twig = new IgSoTwig (Ig3DModel::decode (sep->getChild (1)->getName ()),
                             false, true, true, true);
        twig->magic (static_cast<SoGroup *> (sep->getChild (0)));
        twig->node (static_cast<SoGroup *> (sep->getChild (1)));
    }

    for (int i = 2, max = sep->getNumChildren (); i < max; ++i)
    {
        SoNode *child = sep->getChild (i);
        ASSERT (child);
        ASSERT (child->isOfType (SoSeparator::getClassTypeId ()));
        SoGroup *rep = static_cast<SoGroup *> (child);
        ASSERT (rep->getName () == "IGUANA_3D_REP");
        ASSERT (rep->getNumChildren () >= 2);
        twig->add (buildFromReps (rep));
    }
    
    return twig;
}

IgSoTwig * IgSoTwig::buildFromVis	(	SoNode *	from,
		bool	top
	)			[static, protected]

Definition at line 144 of file IgSoTwig.cc.

References IgCompoundTwig::add(), ASSERT, Ig3DBaseModel::decode(), i, IgSoTwig(), magic(), max, and node().

Referenced by buildFrom().

{
    ASSERT (from && from->isOfType (SoGroup::getClassTypeId ()));
    SoGroup     *sep = static_cast<SoGroup *> (from);
    int         max = sep->getNumChildren ();
    int         i = 0;
    IgSoTwig    *twig;
    
    if (top
        && from->isOfType (SoSeparator::getClassTypeId ())
        && from->getName () == "Top")
    {
        twig = new IgSoTwig ("Root", false, true, true, true);
        
        // Pick magic stuff
        for ( ; i < max; ++i)
        {
            SoNode *child = sep->getChild (i);
            ASSERT (child);
            
            if ((child->isOfType (SoGroup::getClassTypeId ())
                 && (child->getName () == "Default_Light_Group"
                     || child->getName () == "Default_Clip_Group"
                     || child->getName () == "Default_Animator_Group"))
                || child->isOfType (SoClipPlane::getClassTypeId ()))
            {
                twig->magic ()->addChild (child);
            }
            else
            {
                ASSERT (i == max-1);
                ASSERT (child->isOfType (SoSelection::getClassTypeId ()));
                ASSERT (child->getName () == "Scene");
                sep = static_cast<SoGroup *> (child);
                break;
            }
        }
    }
    else if (top)
        twig = new IgSoTwig ("Root", false, true, true, true);
    else
    {
        twig = new IgSoTwig (Ig3DModel::decode (from->getName ()),
                             false, true, true, true);
        twig->node (sep);
    }
    
    // Insert nodes that look like twigs as sub-twigs into the parent;
    // then remove their SoNodes from the scene graph relationships in
    // order to make the twig their sole parent.  This will allow us
    // to use the twig's nodes directly as its 3D representation.
    std::vector<bool>   erase (sep->getNumChildren (), false);
    bool                sawcontent = false;

    for (int i = 0, max = sep->getNumChildren (); i < max; ++i)
    {
        SoNode *child = sep->getChild (i);
        ASSERT (child);
        
        if (child->isOfType (SoSeparator::getClassTypeId ())
            && child->getName () != ""
            && !sawcontent)
        {
            twig->add (buildFromVis (child, false));
            erase [i] = true;
        }
        else
        {
            twig->node ()->addChild (child);
            sawcontent = true;
        }
    }
 
    for (int i = sep->getNumChildren (); --i >= 0; )
        if (erase [i])
            sep->removeChild (i);

    return twig;
}

void IgSoTwig::cleared

(

IgTwig *

parent

)

[protected, virtual]

Reimplemented from IgTwig.

Definition at line 64 of file IgSoTwig.cc.

References IgTwig::cleared(), Ig3DBaseModel::encode(), m_selectable, magic(), IgSimpleTwig::name(), and node().

{
    // This works its way bottom up; our children have already been cleared.
    // So just blow away everything and recreate the tree.
    IgTwig::cleared (parent);

    node (m_selectable ? new SoSelection : new SoSeparator)
        ->setName (Ig3DModel::encode (name ()));
    magic (new SoGroup);
}

void IgSoTwig::destroy

(

void

)

[virtual]

Reimplemented from IgCompoundTwig.

Definition at line 76 of file IgSoTwig.cc.

References IgTwig::destroy(), magic(), and node().

{
    magic ()->removeAllChildren ();
    node ()->removeAllChildren ();
    IgTwig::destroy ();
}

SoGroup * IgSoTwig::magic

(

SoGroup *

node

)

[virtual]

Definition at line 112 of file IgSoTwig.cc.

References ASSERT, and m_magic.

{
    ASSERT (m_magic);
    ASSERT (magic);
    
    magic->ref ();
    m_magic->unref ();
    return m_magic = magic;
}

SoGroup * IgSoTwig::magic

(

void

)

const [virtual]

Definition at line 105 of file IgSoTwig.cc.

References ASSERT, and m_magic.

Referenced by buildFromVis(), cleared(), and destroy().

{
    ASSERT (m_magic);
    return m_magic;
}

SoGroup * IgSoTwig::node

(

SoGroup *

node

)

[virtual]

Definition at line 91 of file IgSoTwig.cc.

References ASSERT, and m_node.

{
    ASSERT (m_node);
    ASSERT (node);

    if (node->getName () == "")
        node->setName (m_node->getName ());

    node->ref ();
    m_node->unref ();
    return m_node = node;
}

SoGroup * IgSoTwig::node

(

void

)

const [virtual]

Definition at line 84 of file IgSoTwig.cc.

References ASSERT, and m_node.

Referenced by buildFromOther(), buildFromVis(), cleared(), and destroy().

{
    ASSERT (m_node);
    return m_node;
}

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Member Data Documentation

SoGroup* IgSoTwig::m_magic [private]

Definition at line 67 of file IgSoTwig.h.

Referenced by IgSoTwig(), magic(), and ~IgSoTwig().

SoGroup* IgSoTwig::m_node [private]

Definition at line 68 of file IgSoTwig.h.

Referenced by IgSoTwig(), node(), and ~IgSoTwig().

bool IgSoTwig::m_selectable [private]

Definition at line 69 of file IgSoTwig.h.

Referenced by cleared(), and IgSoTwig().

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

• Iguana/GLModels/interface/IgSoTwig.h
• Iguana/GLModels/src/IgSoTwig.cc

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