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Man Pages


Manual Reference Pages  -  SOPOINTLIGHTDRAGGER (3)

NAME

SoPointLightDragger — sun-shaped icon you can translate in 3D by dragging with the mouse

CONTENTS

Inherits From
Synopsis
Description
Fields
Methods
Catalog Parts
Dragger Resources
File Format/defaults
See Also

INHERITS FROM

SoBase > SoFieldContainer > SoNode > SoBaseKit > SoInteractionKit > SoDragger > SoPointLightDragger

SYNOPSIS

#include <Inventor/draggers/SoPointLightDragger.h>

Fields from class SoPointLightDragger:

    SoSFVec3f    
                    
SoSFVec3f            translation

Fields from class SoDragger:

    SoSFBool    
                    
SoSFBool             isActive

Fields from class SoInteractionKit:

    SoSFEnum    
                    
SoSFEnum             renderCaching    
SoSFEnum    
                    
SoSFEnum             boundingBoxCaching    
SoSFEnum    
                    
SoSFEnum             renderCulling    
SoSFEnum    
                    
SoSFEnum             pickCulling

Parts from class SoBaseKit:

    (SoNodeKitListPart)    
                     
(SoNodeKitListPart)   callbackList

Methods from class SoPointLightDragger:

       
                    
                     SoPointLightDragger()    
static const SoNodekitCatalog *    
                    
static const SoNodekitCatalog * getClassNodekitCatalog() const    
static SoType    
                    
static SoType        getClassTypeId()

Methods from class SoDragger:

    void    
                    
void                 addStartCallback(SoDraggerCB *f, void *userData = NULL)    
void    
                    
void                 removeStartCallback(SoDraggerCB *f, void *userData = NULL)    
void    
                    
void                 addMotionCallback(SoDraggerCB *f, void *userData = NULL)    
void    
                    
void                 removeMotionCallback(SoDraggerCB *f, void *userData = NULL)    
void    
                    
void                 addFinishCallback(SoDraggerCB *f, void *userData = NULL)    
void    
                    
void                 removeFinishCallback(SoDraggerCB *f, void *userData = NULL)    
void    
                    
void                 addValueChangedCallback(SoDraggerCB *f, void *userData = NULL)    
void    
                    
void                 removeValueChangedCallback(SoDraggerCB *f, void *userData = NULL)    
SbBool    
                    
SbBool               enableValueChangedCallbacks()    
void    
                    
void                 setMinGesture(int pixels)    
int    
                    
int                  getMinGesture() const    
static void    
                    
static void          setMinScale(float newMinScale)    
static float    
                    
static float         getMinScale()

Methods from class SoInteractionKit:

    virtual SbBool    
                    
virtual SbBool       setPartAsPath(const SbName &partName, SoPath *surrogatePath )

Methods from class SoBaseKit:

    virtual const SoNodekitCatalog *    
                         
virtual const SoNodekitCatalog * getNodekitCatalog() const    
virtual SoNode *    
                         
virtual SoNode *          getPart(const SbName &partName, SbBool makeIfNeeded)    
SbString    
                         
SbString                  getPartString(const SoBase *part)    
virtual SoNodeKitPath *    
                         
virtual SoNodeKitPath *   createPathToPart(const SbName &partName, SbBool makeIfNeeded, const SoPath *pathToExtend = NULL)    
virtual SbBool    
                         
virtual SbBool            setPart(const SbName &partName, SoNode *newPart)    
SbBool    
                         
SbBool                    set(char *partName, char *parameters)    
SbBool    
                         
SbBool                    set(char *nameValuePairs)    
static SbBool    
                         
static SbBool             isSearchingChildren()    
static void    
                         
static void               setSearchingChildren(SbBool newVal)

Methods from class SoNode:

    void    
                    
void                 setOverride(SbBool state)    
SbBool    
                    
SbBool               isOverride() const    
SoNode *    
                    
SoNode *             copy(SbBool copyConnections = FALSE) const    
virtual SbBool    
                    
virtual SbBool       affectsState() const    
static SoNode *    
                    
static SoNode *      getByName(const SbName &name)    
static int    
                    
static int           getByName(const SbName &name, SoNodeList &list)

Methods from class SoFieldContainer:

    void    
                    
void                 setToDefaults()    
SbBool    
                    
SbBool               hasDefaultValues() const    
SbBool    
                    
SbBool               fieldsAreEqual(const SoFieldContainer *fc) const    
void    
                    
void                 copyFieldValues(const SoFieldContainer *fc, SbBool copyConnections = FALSE)    
void    
                    
void                 get(SbString &fieldDataString)    
virtual int    
                    
virtual int          getFields(SoFieldList &resultList) const    
virtual SoField *    
                    
virtual SoField *    getField(const SbName &fieldName) const    
SbBool    
                    
SbBool               getFieldName(const SoField *field, SbName &fieldName) const    
SbBool    
                    
SbBool               isNotifyEnabled() const    
SbBool    
                    
SbBool               enableNotify(SbBool flag)

Methods from class SoBase:

    void    
                    
void                 ref()    
void    
                    
void                 unref() const    
void    
                    
void                 unrefNoDelete() const    
void    
                    
void                 touch()    
virtual SoType    
                    
virtual SoType       getTypeId() const    
SbBool    
                    
SbBool               isOfType(SoType type) const    
virtual void    
                    
virtual void         setName(const SbName &name)    
virtual SbName    
                    
virtual SbName       getName() const

Macros from class SoBaseKit:

SO_GET_PART(kit, partName, partClass)
                    
SO_CHECK_PART(kit, partName, partClass)
                    

DESCRIPTION

SoPointLightDragger is a dragger that looks like a point light source, can be translated in three directions, and has a translation field that always reflects its position in local space. The point light dragger also has a special material part which can be used to make it take on the color of a light source.

Remember: This is not a light source! It just looks like one. If you want to move a light with this dragger, you can either:

[a] Use an SoPointLightManip, which is subclassed from SoLight. It creates one of these draggers and uses it as the interface to change the location of its light source (see the SoPointLightManip reference page). The manipulator also edits the material part of this dragger to match the color of light the manipulator is producing.

[b] Use a field-to-field connection to connect the location of a light source from this dragger’s translation field.

This dragger contains an SoDragPointDragger, which you drag through 3-space using an integrated set of linear and planar draggers. (For detailed information on how to use SoDragPointDragger, see its reference page.) The point light dragger sets the planar translation parts of this dragPoint dragger with a new default that looks like a shining sun emanating rays of light (okay, so use your imagination).

By changing the material part you can change the color of the sun shape, because the default part contains no SoMaterial nodes. This fact enables the SoPointLightManip (not the dragger, the manipulator) to color its dragger to match the color of the light it is emanating. Recall that a point light manip is derived from SoLight and creates a point light dragger to provide an interface and geometrical presence on screen. The manipulator also has a color field; when the light color changes, it changes the material part of its dragger so that they match.

You can change the parts in any instance of this dragger using setPart().

The default part geometries are defined as resources for this SoPointLightDragger class. They are detailed in the Dragger Resources section of the online reference page for this class. You can make your program use different default resources for the parts by copying the file /usr/share/data/draggerDefaults/pointLightDragger.iv into your own directory, editing the file, and then setting the environment variable SO_DRAGGER_DIR to be a path to that directory.

FIELDS

    SoSFVec3f    
                    
SoSFVec3f            translation
Position of the dragger.

METHODS

       
                    
                     SoPointLightDragger()
Constructor.

    static const SoNodekitCatalog *    
                    
static const SoNodekitCatalog * getClassNodekitCatalog() const
Returns an SoNodekitCatalog for this class

    static SoType    
                    
static SoType        getClassTypeId()
Returns type identifier for this class.

CATALOG PARTS

All parts
   NULL by
Part NamePart TypeDefault TypeDefault
callbackListNodeKitListPart--yes
materialMaterial--yes
translatorDragPointDragger--yes

Extra information for list parts from above table
Part NameContainer TypePermissible Types 
callbackListSeparatorCallback, EventCallback

DRAGGER RESOURCES

.in 0n+.5i     Resource:         pointLightOverallMaterial
.in 0n+.5i     Part:             material    
Appearance:       white. half strength emissive, half strength diffuse    
Description:      sets material for the sun shape when stationary. Resource for the moving sun, pointLightTranslatorPlaneTranslatorActive, contains a yellow material for highlighting.

.in 0n+.5i     Resource:         pointLightTranslatorPlaneTranslator
.in 0n+.5i     Parts:            translator.yzTranslator.translator
                  translator.xzTranslator.translator
                  translator.xyTranslator.translator    
Appearance:       sun shape with no material    
Description:      picking these parts initiates dragging by the yz, xz, and xy planar draggers respectively.

.in 0n+.5i     Resource:         pointLightTranslatorPlaneTranslatorActive
.in 0n+.5i     Parts:            translator.yzTranslator.translatorActive
                  translator.xzTranslator.translatorActive
                  translator.xyTranslator.translatorActive    
Appearance:       yellow sun shape    
Description:      shown during planar dragging in the yz, xz, and xy planes respectively.

.in 0n+.5i     Resource:         pointLightTranslatorLineTranslator
.in 0n+.5i     Parts:            translator.xTranslator.translator
                  translator.yTranslator.translator
                  translator.zTranslator.translator    
Appearance:       white cylinder    
Description:      picking these parts initiates dragging in the x, y, and z linear draggers respectively.

.in 0n+.5i     Resource:         pointLightTranslatorLineTranslatorActive
.in 0n+.5i     Parts:            translator.xTranslator.translatorActive
                  translator.yTranslator.translatorActive
                  translator.zTranslator.translatorActive    
Appearance:       yellow cylinder    
Description:      shown during linear dragging in the x, y, and z directions respectively.

FILE FORMAT/DEFAULTS

PointLightDragger {



renderCaching                             AUTO
boundingBoxCaching                        AUTO
renderCulling                             AUTO
pickCulling                               AUTO
isActive                                  FALSE
translation                               0 0 0
callbackList                              NULL
material                                  <pointLightOverallMaterial resource>
translator                                DragPointDragger {
}

translator.yzTranslator.translator        <pointLightTranslatorPlaneTranslator resource> translator.xzTranslator.translator        <pointLightTranslatorPlaneTranslator resource> translator.xyTranslator.translator        <pointLightTranslatorPlaneTranslator resource> translator.yzTranslator.translatorActive  <pointLightTranslatorPlaneTranslatorActive resource> translator.xzTranslator.translatorActive  <pointLightTranslatorPlaneTranslatorActive resource> translator.xyTranslator.translatorActive  <pointLightTranslatorPlaneTranslatorActive resource> translator.xTranslator.translator         <pointLightTranslatorLineTranslator resource> translator.yTranslator.translator         <pointLightTranslatorLineTranslator resource> translator.zTranslator.translator         <pointLightTranslatorLineTranslator resource> translator.xTranslator.translatorActive   <pointLightTranslatorLineTranslatorActive resource> translator.yTranslator.translatorActive   <pointLightTranslatorLineTranslatorActive resource> translator.zTranslator.translatorActive   <pointLightTranslatorLineTranslatorActive resource> }

SEE ALSO

SoInteractionKit, SoDragger, SoCenterballDragger, SoDirectionalLightDragger, SoDragPointDragger, SoHandleBoxDragger, SoJackDragger, SoRotateCylindricalDragger, SoRotateDiscDragger, SoRotateSphericalDragger, SoScale1Dragger, SoScale2Dragger, SoScale2UniformDragger, SoScaleUniformDragger, SoSpotLightDragger, SoTabBoxDragger, SoTabPlaneDragger, SoTrackballDragger, SoTransformBoxDragger, SoTransformerDragger, SoTranslate1Dragger, SoTranslate2Dragger

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