NAME
SoRotateSphericalDragger -
The SoRotateSphericalDragger class is for rotating geometry in any
direction.
Here’s how the dragger looks with its default geometry in the inactive
state:
SYNOPSIS
#include <Inventor/draggers/SoRotateSphericalDragger.h>
Inherits SoDragger.
Public Member Functions
SoRotateSphericalDragger (void)
void setProjector (SbSphereProjector *p)
const SbSphereProjector * getProjector (void) const
Static Public Member Functions
static void initClass (void)
Public Attributes
SoSFRotation rotation
Protected Member Functions
virtual ~SoRotateSphericalDragger (void)
virtual SbBool setUpConnections (SbBool onoff, SbBool doitalways=0)
virtual void copyContents (const SoFieldContainer *fromfc, SbBool
copyconnections)
void dragStart (void)
void drag (void)
void dragFinish (void)
Static Protected Member Functions
static void startCB (void *f, SoDragger *d)
static void motionCB (void *f, SoDragger *d)
static void doneCB (void *f, SoDragger *d)
static void fieldSensorCB (void *f, SoSensor *s)
static void valueChangedCB (void *f, SoDragger *d)
Protected Attributes
SoFieldSensor * fieldSensor
SbMatrix prevMotionMatrix
SbVec3f prevWorldHitPt
SbSphereProjector * sphereProj
SbBool userProj
Detailed Description
The SoRotateSphericalDragger class is for rotating geometry in any
direction.
Here’s how the dragger looks with its default geometry in the inactive
state:
Use an instance of this dragger class in your scenegraph to let the
end-users of your application rotate geometry freely in any direction.
For the initial dragger orientation and the dragger geometry
positioning itself, use some kind of transformation node in your
scenegraph, as usual.
Constructor & Destructor Documentation
SoRotateSphericalDragger::SoRotateSphericalDragger (void) Default
constructor, sets up the dragger nodekit catalog with the interaction
and feedback geometry.
Node kit structure (new entries versus parent class marked with arrow
prefix):
CLASS SoRotateSphericalDragger
-->"this"
"callbackList"
"topSeparator"
"motionMatrix"
"geomSeparator"
--> "rotatorSwitch"
--> "rotator"
--> "rotatorActive"
--> "feedbackSwitch"
--> "feedback"
--> "feedbackActive"
.fi
(See SoBaseKit::printDiagram() for information about the output formatting.)
Detailed information on catalog parts:
CLASS SoRotateSphericalDragger
PVT "this", SoRotateSphericalDragger ---
"callbackList", SoNodeKitListPart [ SoCallback, SoEventCallback ]
PVT "topSeparator", SoSeparator ---
PVT "motionMatrix", SoMatrixTransform ---
PVT "geomSeparator", SoSeparator ---
PVT "rotatorSwitch", SoSwitch ---
"rotator", SoSeparator ---
"rotatorActive", SoSeparator ---
PVT "feedbackSwitch", SoSwitch ---
"feedback", SoSeparator ---
"feedbackActive", SoSeparator ---
.fi
(See SoBaseKit::printTable() for information about the output formatting.)
SoRotateSphericalDragger::~SoRotateSphericalDragger (void) [protected,
virtual] Protected destructor.
(Dragger classes are derived from SoBase, so they are reference counted
and automatically destroyed when their reference count goes to 0.)
Member Function Documentation
void SoRotateSphericalDragger::initClass (void) [static] Initializes type
system for this dragger class.
Application programmers should usually not have to invoke this method,
see documentation of SoInteraction::init().
Reimplemented from SoDragger.
void SoRotateSphericalDragger::setProjector (SbSphereProjector * p) Replace
the default sphere projection strategy. You may want to do this if you
change the dragger geometry, for instance.
The default projection is an SbSpherePlaneProjector.
See also:
SbSphereSectionProjector, SbSphereSheetProjector
const SbSphereProjector * SoRotateSphericalDragger::getProjector (void)
const Returns projector instance used for converting from user
interaction dragger movements to 3D dragger re-orientation.
See also:
setProjector()
SbBool SoRotateSphericalDragger::setUpConnections (SbBool onoff, SbBool
doitalways = 0) [protected, virtual] Sets up all internal connections
for instances of this class.
(This method will usually not be of interest to the application
programmer, unless you want to extend the library with new custom
nodekits or dragger classes. If so, see the SoBaseKit class
documentation.)
Reimplemented from SoInteractionKit.
void SoRotateSphericalDragger::copyContents (const SoFieldContainer * from,
SbBool copyconnections) [protected, virtual] Makes a deep copy of all
data of from into this instance, except external scenegraph references
if copyconnections is FALSE.
This is the protected method that should be overridden by extension
node / engine / dragger / whatever subclasses which needs to account
for internal data that are not handled automatically.
For copying nodes from application code, you should not invoke this
function directly, but rather call the SoNode::copy() function:
SoNode * mynewnode = templatenode->copy();
The same also goes for engines.
Make sure that when you override the copyContents() method in your
extension class that you also make it call upwards to it’s parent
superclass in the inheritance hierarchy, as copyContents() in for
instance SoNode and SoFieldContainer does important work. It should go
something like this:
void
MyCoinExtensionNode::copyContents(const SoFieldContainer * from,
SbBool copyconnections)
{
// let parent superclasses do their thing (copy fields, copy
// instance name, etc etc)
SoNode::copyContents(from, copyconnections);
// [..then copy internal data..]
}
Reimplemented from SoInteractionKit.
void SoRotateSphericalDragger::startCB (void * f, SoDragger * d) [static,
protected] This API member is considered internal to the library, as it
is not likely to be of interest to the application programmer.
void SoRotateSphericalDragger::motionCB (void * f, SoDragger * d) [static,
protected] This API member is considered internal to the library, as it
is not likely to be of interest to the application programmer.
void SoRotateSphericalDragger::fieldSensorCB (void * d, SoSensor * s)
[static, protected] This API member is considered internal to the
library, as it is not likely to be of interest to the application
programmer.
Reimplemented from SoInteractionKit.
void SoRotateSphericalDragger::valueChangedCB (void * f, SoDragger * d)
[static, protected] This API member is considered internal to the
library, as it is not likely to be of interest to the application
programmer.
void SoRotateSphericalDragger::dragStart (void) [protected] This API member
is considered internal to the library, as it is not likely to be of
interest to the application programmer.
Called when dragger is selected (picked) by the user.
void SoRotateSphericalDragger::drag (void) [protected] This API member is
considered internal to the library, as it is not likely to be of
interest to the application programmer.
Called when user drags the mouse after picking the dragger.
void SoRotateSphericalDragger::dragFinish (void) [protected] This API
member is considered internal to the library, as it is not likely to be
of interest to the application programmer.
Called when mouse button is released after picking and interacting with
the dragger.
Member Data Documentation
SoSFRotation SoRotateSphericalDragger::rotation This field is continuously
updated to contain the rotation of the current direction vector of the
dragger.
The application programmer using this dragger in his scenegraph should
connect the relevant node fields in the scene to this field to make
them follow the dragger orientation.
SoFieldSensor * SoRotateSphericalDragger::fieldSensor [protected] This API
member is considered internal to the library, as it is not likely to be
of interest to the application programmer.
Reimplemented from SoInteractionKit.
SbMatrix SoRotateSphericalDragger::prevMotionMatrix [protected] This API
member is considered internal to the library, as it is not likely to be
of interest to the application programmer.
SbVec3f SoRotateSphericalDragger::prevWorldHitPt [protected] This API
member is considered internal to the library, as it is not likely to be
of interest to the application programmer.
SbSphereProjector * SoRotateSphericalDragger::sphereProj [protected] This
API member is considered internal to the library, as it is not likely
to be of interest to the application programmer.
SbBool SoRotateSphericalDragger::userProj [protected] This API member is
considered internal to the library, as it is not likely to be of
interest to the application programmer.
Author
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