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NAME
SoVRMLInline -
The SoVRMLInline class is used to insert VRML files into a scene.
The detailed class documentation is taken verbatim from the VRML97 standard (ISO/IEC
14772-1:1997). It is copyright The Web3D Consortium, and is used by permission of the
Consortium:
SYNOPSIS
#include <Inventor/VRMLnodes/SoVRMLInline.h>
Inherits SoNode.
Public Types
enum BboxVisibility { NEVER, UNTIL_LOADED, ALWAYS }
Public Member Functions
virtual SoType getTypeId (void) const
Returns the type identification of an object derived from a class inheriting SoBase.
This is used for run-time type checking and 'downward' casting.
SoVRMLInline (void)
void setFullURLName (const SbString &url)
const SbString & getFullURLName (void)
SoGroup * copyChildren (void) const
void requestURLData (void)
SbBool isURLDataRequested (void) const
SbBool isURLDataHere (void) const
void cancelURLDataRequest (void)
void setChildData (SoNode *urlData)
SoNode * getChildData (void) const
virtual void doAction (SoAction *action)
virtual void callback (SoCallbackAction *action)
virtual void GLRender (SoGLRenderAction *action)
virtual void getBoundingBox (SoGetBoundingBoxAction *action)
virtual void getMatrix (SoGetMatrixAction *action)
virtual void handleEvent (SoHandleEventAction *action)
virtual void search (SoSearchAction *action)
virtual void pick (SoPickAction *action)
virtual void getPrimitiveCount (SoGetPrimitiveCountAction *action)
virtual SoChildList * getChildren (void) const
Static Public Member Functions
static SoType getClassTypeId (void)
static void initClass (void)
static void setFetchURLCallBack (SoVRMLInlineFetchURLCB *f, void *closure)
static void setBoundingBoxVisibility (BboxVisibility b)
static BboxVisibility getBoundingBoxVisibility (void)
static void setBoundingBoxColor (SbColor &color)
static SbColor & getBoundingBoxColor (void)
static void setReadAsSoFile (SbBool enable)
static SbBool getReadAsSoFile (void)
Public Attributes
SoSFVec3f bboxCenter
SoSFVec3f bboxSize
SoMFString url
Protected Member Functions
virtual const SoFieldData * getFieldData (void) const
virtual ~SoVRMLInline ()
Static Protected Member Functions
static const SoFieldData ** getFieldDataPtr (void)
Additional Inherited Members
Detailed Description
The SoVRMLInline class is used to insert VRML files into a scene.
The detailed class documentation is taken verbatim from the VRML97 standard (ISO/IEC
14772-1:1997). It is copyright The Web3D Consortium, and is used by permission of the
Consortium:
Inline {
exposedField MFString url []
field SFVec3f bboxCenter 0 0 0 # (-,)
field SFVec3f bboxSize -1 -1 -1 # (0,) or -1,-1,-1
}
The Inline node is a grouping node that reads its children data from a location in the
World Wide Web. Exactly when its children are read and displayed is not defined (e.g.
reading the children may be delayed until the Inline node's bounding box is visible to the
viewer). The url field specifies the URL containing the children. An Inline node with an
empty URL does nothing.
Each specified URL shall refer to a valid VRML file that contains a list of children
nodes, prototypes, and routes at the top level as described in 4.6.5, Grouping and
children nodes.
The results are undefined if the URL refers to a file that is not VRML or if the VRML file
contains non-children nodes at the top level.
If multiple URLs are specified, the browser may display a URL of a lower preference VRML
file while it is obtaining, or if it is unable to obtain, the higher preference VRML file.
Details on the url field and preference order can be found in 4.5, VRML and the World Wide
Web (http://www.web3d.org/x3d/specifications/vrml/ISO-
IEC-14772-VRML97/part1/concepts.html#4.5).
The results are undefined if the contents of the URL change after it has been loaded.
The bboxCenter and bboxSize fields specify a bounding box that encloses the Inline node's
children. This is a hint that may be used for optimization purposes. The results are
undefined if the specified bounding box is smaller than the actual bounding box of the
children at any time. A default bboxSize value, (-1, -1, -1), implies that the bounding
box is not specified and if needed shall be calculated by the browser. A description of
the bboxCenter and bboxSize fields is in 4.6.4, Bounding boxes
(http://www.web3d.org/x3d/specifications/vrml/ISO-
IEC-14772-VRML97/part1/concepts.html#4.6.4).
Member Enumeration Documentation
enum SoVRMLInline::BboxVisibility
Enumerator
NEVER SoSFVec3f SoVRMLInline::bboxCenter Center of bounding box.
SoSFVec3f SoVRMLInline::bboxSize Size of bounding box.
SoMFString SoVRMLInline::url The VRML file URL.
enum SoVRMLInline::BboxVisibility Used to enumerate bounding box visibility settings.
Never display bounding box.
UNTIL_LOADED
Display bounding box until file is loaded.
ALWAYS Always display bounding box.
Constructor & Destructor Documentation
SoVRMLInline::SoVRMLInline (void)
Constructor
SoVRMLInline::~SoVRMLInline () [protected], [virtual]
Destructor.
Member Function Documentation
SoType SoVRMLInline::getTypeId (void) const [virtual]
Returns the type identification of an object derived from a class inheriting SoBase. This
is used for run-time type checking and 'downward' casting. Usage example:
void foo(SoNode * node)
{
if (node->getTypeId() == SoFile::getClassTypeId()) {
SoFile * filenode = (SoFile *)node; // safe downward cast, knows the type
}
}
For application programmers wanting to extend the library with new nodes, engines,
nodekits, draggers or others: this method needs to be overridden in all subclasses. This
is typically done as part of setting up the full type system for extension classes, which
is usually accomplished by using the pre-defined macros available through for instance
Inventor/nodes/SoSubNode.h (SO_NODE_INIT_CLASS and SO_NODE_CONSTRUCTOR for node classes),
Inventor/engines/SoSubEngine.h (for engine classes) and so on.
For more information on writing Coin extensions, see the class documentation of the
toplevel superclasses for the various class groups.
Implements SoBase.
const SoFieldData * SoVRMLInline::getFieldData (void) const [protected], [virtual]
Returns a pointer to the class-wide field data storage object for this instance. If no
fields are present, returns NULL.
Reimplemented from SoFieldContainer.
void SoVRMLInline::setFullURLName (const SbString &urlref)
Sets the full (non-relative) URL name.
const SbString & SoVRMLInline::getFullURLName (void)
Returns the full URL name.
SoGroup * SoVRMLInline::copyChildren (void) const
Returns a copy of the children.
void SoVRMLInline::requestURLData (void)
Request URL data.
SbBool SoVRMLInline::isURLDataRequested (void) const
Returns TRUE if the URL data has been requested.
SbBool SoVRMLInline::isURLDataHere (void) const
Returns TRUE if the data has been loaded.
void SoVRMLInline::cancelURLDataRequest (void)
Cancel the URL data request.
void SoVRMLInline::setChildData (SoNode *urldata)
Sets the child data. Can be used by the URL fetch callback.
SoNode * SoVRMLInline::getChildData (void) const
Returns the child data (the scene loaded from the url).
void SoVRMLInline::setFetchURLCallBack (SoVRMLInlineFetchURLCB *f, void *closure) [static]
Sets the callback used to handle URL loading.
void SoVRMLInline::setBoundingBoxVisibility (BboxVisibilityb) [static]
Sets the bounding box visibility strategy.
SoVRMLInline::BboxVisibility SoVRMLInline::getBoundingBoxVisibility (void) [static]
Returns the bounding box visibility strategy.
void SoVRMLInline::setBoundingBoxColor (SbColor &color) [static]
Sets the color of the bounding box.
SbColor & SoVRMLInline::getBoundingBoxColor (void) [static]
Returns the color of the bounding box.
void SoVRMLInline::setReadAsSoFile (SbBoolenable) [static]
Sets whether Inline nodes should be treated as a normal Inventor SoFile node.
SbBool SoVRMLInline::getReadAsSoFile (void) [static]
Returns whether Inline nodes is read as SoFile nodes.
void SoVRMLInline::doAction (SoAction *action) [virtual]
This function performs the typical operation of a node for any action.
Reimplemented from SoNode.
void SoVRMLInline::callback (SoCallbackAction *action) [virtual]
Action method for SoCallbackAction.
Simply updates the state according to how the node behaves for the render action, so the
application programmer can use the SoCallbackAction for extracting information about the
scene graph.
Reimplemented from SoNode.
void SoVRMLInline::GLRender (SoGLRenderAction *action) [virtual]
Action method for the SoGLRenderAction.
This is called during rendering traversals. Nodes influencing the rendering state in any
way or who wants to throw geometry primitives at OpenGL overrides this method.
Reimplemented from SoNode.
void SoVRMLInline::getBoundingBox (SoGetBoundingBoxAction *action) [virtual]
Action method for the SoGetBoundingBoxAction.
Calculates bounding box and center coordinates for node and modifies the values of the
action to encompass the bounding box for this node and to shift the center point for the
scene more towards the one for this node.
Nodes influencing how geometry nodes calculates their bounding box also overrides this
method to change the relevant state variables.
Reimplemented from SoNode.
void SoVRMLInline::getMatrix (SoGetMatrixAction *action) [virtual]
Action method for SoGetMatrixAction.
Updates action by accumulating with the transformation matrix of this node (if any).
Reimplemented from SoNode.
void SoVRMLInline::handleEvent (SoHandleEventAction *action) [virtual]
Action method for SoHandleEventAction.
Inspects the event data from action, and processes it if it is something which this node
should react to.
Nodes influencing relevant state variables for how event handling is done also overrides
this method.
Reimplemented from SoNode.
void SoVRMLInline::search (SoSearchAction *action) [virtual]
Action method for SoSearchAction.
Compares the search criteria from the action to see if this node is a match. Searching is
done by matching up all criteria set up in the SoSearchAction -- if any of the requested
criteria is a miss, the search is not deemed successful for the node.
See Also:
SoSearchAction
Reimplemented from SoNode.
void SoVRMLInline::pick (SoPickAction *action) [virtual]
Action method for SoPickAction.
Does common processing for SoPickAction action instances.
Reimplemented from SoNode.
void SoVRMLInline::getPrimitiveCount (SoGetPrimitiveCountAction *action) [virtual]
Action method for the SoGetPrimitiveCountAction.
Calculates the number of triangle, line segment and point primitives for the node and adds
these to the counters of the action.
Nodes influencing how geometry nodes calculates their primitive count also overrides this
method to change the relevant state variables.
Reimplemented from SoNode.
SoChildList * SoVRMLInline::getChildren (void) const [virtual]
Returns list of children for this node.
Reimplemented from SoNode.
Author
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