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Open Inventor Release 2024.2.1
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Open Inventor Release 2024.2.1
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Directional light node with 3D interface for editing direction. More...
#include <Inventor/manips/SoDirectionalLightManip.h>
Inheritance diagram for SoDirectionalLightManip:Public Member Functions | |
| virtual SoType | getTypeId () const |
| Returns the type identifier for this specific instance. | |
| SoDirectionalLightManip () | |
| Constructor. | |
| SoDragger * | getDragger () |
| Returns the dragger being used by this manipulator. | |
| SbBool | replaceNode (SoPath *p) |
| Replaces the tail of the path with this manipulator. | |
| SbBool | replaceManip (SoPath *p, SoDirectionalLight *newOne) const |
| Replaces the tail of the path, which must be this manipulator, with the given SoDirectionalLight node. | |
| Public Member Functions inherited from SoDirectionalLight | |
| SoDirectionalLight () | |
| Creates a directional light source node with default settings. | |
| Public Member Functions inherited from SoNode | |
| virtual void | setOverride (const SbBool state) |
| Turns the override flag on or off. | |
| virtual SbBool | isOverride () const |
| Returns the state of the override flag. | |
| virtual SoNode * | copy (SbBool copyConnections=FALSE) const |
| Creates and returns an exact copy of the node. | |
| virtual SbBool | affectsState () const |
| Returns TRUE if a node has an effect on the state during traversal. | |
| virtual void | touch () |
| Marks an instance as modified, simulating a change to it. | |
| Public Member Functions inherited from SoFieldContainer | |
| void | setToDefaults () |
| Sets all fields in this object to their default values. | |
| SbBool | hasDefaultValues () const |
| Returns TRUE if all of the object's fields have their default values. | |
| SbBool | fieldsAreEqual (const SoFieldContainer *fc) const |
| Returns TRUE if this object's fields are exactly equal to fc's fields. | |
| void | copyFieldValues (const SoFieldContainer *fc, SbBool copyConnections=FALSE) |
| Copies the contents of fc's fields into this object's fields. | |
| SoNONUNICODE SbBool | set (const char *fieldDataString) |
| Sets one or more fields in this object to the values specified in the given string, which should be a string in the Open Inventor file format. | |
| SbBool | set (const SbString &fieldDataString) |
| Sets one or more fields in this object to the values specified in the given string, which should be a string in the Open Inventor file format. | |
| void | get (SbString &fieldDataString) |
| Returns the values of the fields of this object in the Open Inventor ASCII file format in the given string. | |
| virtual int | getFields (SoFieldList &list) const |
| Appends references to all of this object's fields to resultList, and returns the number of fields appended. | |
| virtual int | getAllFields (SoFieldList &list) const |
| Returns a list of fields, including the eventIn's and eventOut's. | |
| virtual SoField * | getField (const SbName &fieldName) const |
| Returns a the field of this object whose name is fieldName. | |
| virtual SoField * | getEventIn (const SbName &fieldName) const |
| Returns a the eventIn with the given name. | |
| virtual SoField * | getEventOut (const SbName &fieldName) const |
| Returns the eventOut with the given name. | |
| SbBool | getFieldName (const SoField *field, SbName &fieldName) const |
| Returns the name of the given field in the fieldName argument. | |
| SbBool | enableNotify (SbBool flag) |
| Notification at this Field Container is enabled (if flag == TRUE) or disabled (if flag == FALSE). | |
| SbBool | isNotifyEnabled () const |
| Notification is the process of telling interested objects that this object has changed. | |
| virtual void | setUserData (void *data) |
| Sets application data. | |
| void * | getUserData (void) const |
| Gets user application data. | |
| Public Member Functions inherited from SoBase | |
| virtual SbName | getName () const |
| Returns the name of an instance. | |
| virtual void | setName (const SbName &name) |
| Sets the name of an instance. | |
| void | setSynchronizable (const bool b) |
| Sets this to be a ScaleViz synchronizable object. | |
| bool | isSynchronizable () const |
| Gets the ScaleViz synchronizable state of this object. | |
| Public Member Functions inherited from SoRefCounter | |
| void | ref () const |
| Adds a reference to an instance. | |
| void | unref () const |
| Removes a reference from an instance. | |
| void | unrefNoDelete () const |
| unrefNoDelete() should be called when it is desired to decrement the reference count, but not delete the instance if this brings the reference count to zero. | |
| int | getRefCount () const |
| Returns current reference count. | |
| void | lock () const |
| lock this instance. | |
| void | unlock () const |
| unlock this instance. | |
| Public Member Functions inherited from SoTypedObject | |
| SbBool | isOfType (const SoType &type) const |
| Returns TRUE if this object is of the type specified in type or is derived from that type. | |
| template<typename TypedObjectClass > | |
| SbBool | isOfType () const |
| Returns TRUE if this object is of the type of class TypedObjectClass or is derived from that class. | |
Static Public Member Functions | |
| static SoType | getClassTypeId () |
| Returns the type identifier for this class. | |
| Static Public Member Functions inherited from SoDirectionalLight | |
| static SoType | getClassTypeId () |
| Returns the type identifier for this class. | |
| Static Public Member Functions inherited from SoLight | |
| static SoType | getClassTypeId () |
| Returns the type identifier for this class. | |
| Static Public Member Functions inherited from SoNode | |
| static SoType | getClassTypeId () |
| Returns the type identifier for this class. | |
| static SoNode * | getByName (const SbName &name) |
| A node's name can be set using SoBase::setName(). | |
| static int | getByName (const SbName &name, SoNodeList &list) |
| A node's name can be set using SoBase::setName(). | |
| Static Public Member Functions inherited from SoFieldContainer | |
| static SoType | getClassTypeId () |
| Returns the type of this class. | |
| Static Public Member Functions inherited from SoBase | |
| static SoType | getClassTypeId () |
| Returns type identifier for this class. | |
| Static Public Member Functions inherited from SoTypedObject | |
| static SoType | getClassTypeId () |
| Returns the type identifier for this class. | |
Additional Inherited Members | |
| Public Attributes inherited from SoDirectionalLight | |
| SoSFVec3f | direction |
| Illumination direction vector. | |
| Public Attributes inherited from SoLight | |
| SoSFBool | on |
| Determines whether the source is active or inactive. | |
| SoSFFloat | intensity |
| Illumination intensity of light source. | |
| SoSFColor | color |
| Light source illumination color. | |
Directional light node with 3D interface for editing direction.
SoDirectionalLightManip is the base class for all SoDirectionalLight nodes that have a built-in 3D user interface (this is the only such class provided with the Open Inventor toolkit). Since it is derived from SoDirectionalLight, any changes to its fields result in a change of lighting for nodes that follow it in the scene graph. In this case, the interface edits the direction field. Also, the color of the manipulator's geometry will reflect the color of the light (but you cannot edit the color using this manipulator).
Typically, you will want to replace a regular SoDirectionalLight with an SoDirectionalLightManip (as when the user selects a light to be edited), or vice versa (as when the user is done moving the light and the interface should go away). Use the replaceNode() method to insert a manipulator into a scene graph, and the replaceManip() method to remove it when done.
The SoDirectionalLightManip utilizes an SoDirectionalLightDragger to provide a 3D interface. However, the manipulator differs from the dragger; it lights other objects in the scene because, as an SoDirectionalLight, it alters the state. The field values and movement of the dragger, on the other hand, affect only the dragger itself. To find out more about how the interface works and what each part will do, see the reference page for SoDirectionalLightDragger. The interfaces of the dragger and the manipulator are identical.
The SoDirectionalLightManip utilizes its dragger by adding it as a hidden child. When an action is applied to the manipulator, such as rendering or handling events, the manipulator first traverses the dragger, and then the manipulator adds its lighting parameters to the state. When you click-drag-release over the manipulator, it passes these events down to the dragger, which moves as a result ("I can't <B> help </B> it, I'm a dragger!").
The manipulator maintains consistency between the fields of the dragger and its own fields. Let's say you use the mouse to rotate the dragger . Callbacks ensure that the direction field of the manipulator will change by the same amount, thus changing the lighting of nodes which follow in the scene graph. Similarly, if you set the direction field of the SoDirectionalLightManip, the manipulator will orient the dragger accordingly.
Because the dragger is a hidden child, you can see the dragger on screen and interact with it, but the dragger does not show up when you write the manipulator to file. Also, any SoPath will end at the manipulator. (See the Actions section of this reference page for a complete description of when the dragger is traversed).
You can get this dragger from the manipulator using the getDragger() method. You will need to do this if you want to change the geometry of a manipulator, since the geometry actually belongs to the dragger.
| on | TRUE |
| intensity | 1 |
| color | 1 1 1 |
| direction | 0 0 -1 |
SoSearchAction
Searches just like an SoDirectionalLight. Does not search the dragger, which is a hidden child.
SoWriteAction
Writes out just like an SoDirectionalLight. Does not write the dragger, which is a hidden child. If you really need to write valuable information about the dragger, such as customized geometry, you can retrieve the dragger with the getDragger() method and then write it out separately.
SoDragger, SoDirectionalLight, SoDirectionalLightDragger, SoPointLightManip, SoSpotLightManip
Definition at line 159 of file SoDirectionalLightManip.h.
| SoDirectionalLightManip::SoDirectionalLightManip | ( | ) |
Constructor.
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static |
Returns the type identifier for this class.
| SoDragger * SoDirectionalLightManip::getDragger | ( | ) |
Returns the dragger being used by this manipulator.
You can customize this dragger just like you would with any other dragger. You can change geometry using the setPart() method, or add callbacks using the methods found in the SoDragger reference page.
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virtual |
Returns the type identifier for this specific instance.
Reimplemented from SoDirectionalLight.
| SbBool SoDirectionalLightManip::replaceManip | ( | SoPath * | p, |
| SoDirectionalLight * | newOne | ||
| ) | const |
Replaces the tail of the path, which must be this manipulator, with the given SoDirectionalLight node.
If the path has a nodekit, this will try to use setPart() to insert the new node. Otherwise, the manipulator requires that the next to last node in the path chain be a group.
The field values from the manipulator will be copied to the directional light node, and the manipulator will be replaced.
The manipulator will not call ref() or unref() on the node which is replacing it. The manipulator will not make any changes to field connections. The calling process is thus responsible for keeping track of its own nodes and field connections.
Replaces the tail of the path with this manipulator.
The tail of the path must be an SoDirectionalLight node (or subclass thereof). If the path has a nodekit, this will try to use setPart() to insert the manipulator. Otherwise, the manipulator requires that the next to last node in the path chain be a group.
The field values from the directional light node will be copied to this manipulator, and the light node will be replaced.
The manipulator will not call ref() on the node it is replacing. The old node will disappear if it has no references other than from the input path p and its parent, since this manipulator will be replacing it in both of those places. Nor will the manipulator make any changes to field connections of the old node. The calling process is thus responsible for keeping track of its own nodes and field connections.
1.9.8 