---
name: "tlp_GlObservableScene"
section: "3tulip"
platform: "linux"
package: "tulip-doc"
version: "3.1.2-2.3"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/tlp_GlObservableScene"
---

# tlp\_GlObservableScene(3tulip)

## NAME

tlp::GlObservableScene -

## SYNOPSIS

`#include <GlSceneObserver.h>`

Inherited by **tlp::GlScene**.

### Public Member Functions

virtual **~GlObservableScene** ()\
 void **addObserver** (**GlSceneObserver** \*) const \
 unsigned int **countObservers** ()\
 void **removeObserver** (**GlSceneObserver** \*) const \
 void **removeObservers** ()\
 void **notifyAddLayer** (**GlScene** \*scene, const std::string &name, **GlLayer** \*layer)\
 void **notifyDelLayer** (**GlScene** \*scene, const std::string &name, **GlLayer** \*layer)\
 void **notifyModifyLayer** (**GlScene** \*scene, const std::string &name, **GlLayer** \*layer)\

### Protected Attributes

std::set\< **GlSceneObserver** \* \> **observers**\

## Detailed Description

Observable scene

## Constructor & Destructor Documentation

### virtual tlp::GlObservableScene::~GlObservableScene ()` [inline, virtual]`

## Member Function Documentation

### void tlp::GlObservableScene::addObserver (GlSceneObserver \* obs) const` [inline]` Register a new observer

### unsigned int tlp::GlObservableScene::countObservers ()` [inline]` Returns the number of observers

### void tlp::GlObservableScene::notifyAddLayer (GlScene \* scene, const std::string & name, GlLayer \* layer)

### void tlp::GlObservableScene::notifyDelLayer (GlScene \* scene, const std::string & name, GlLayer \* layer)

### void tlp::GlObservableScene::notifyModifyLayer (GlScene \* scene, const std::string & name, GlLayer \* layer)

### void tlp::GlObservableScene::removeObserver (GlSceneObserver \* item) const` [inline]` Remove an observer

### void tlp::GlObservableScene::removeObservers ()` [inline]` Remove all observers

## Member Data Documentation

### std::set\<GlSceneObserver\*\> tlp::GlObservableScene::observers` [mutable, protected]`

## Author

Generated automatically by Doxygen for Tulip Open GL Library from the source code.