From Albert Luaces, typo fixes.

git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14883 16af8721-9629-0410-8352-f15c8da7e697

include/OpenThreads/Thread

@@ -77,12 +77,12 @@ public:
      */
     enum ThreadPriority {
 
-	THREAD_PRIORITY_MAX,      /**< The maximum possible priority  */
+        THREAD_PRIORITY_MAX,      /**< The maximum possible priority  */
-	THREAD_PRIORITY_HIGH,     /**< A high (but not max) setting   */
+        THREAD_PRIORITY_HIGH,     /**< A high (but not max) setting   */
-	THREAD_PRIORITY_NOMINAL,  /**< An average priority            */
+        THREAD_PRIORITY_NOMINAL,  /**< An average priority            */
-	THREAD_PRIORITY_LOW,      /**< A low (but not min) setting    */
+        THREAD_PRIORITY_LOW,      /**< A low (but not min) setting    */
-	THREAD_PRIORITY_MIN,      /**< The miniumum possible priority */
+        THREAD_PRIORITY_MIN,      /**< The miniumum possible priority */
-	THREAD_PRIORITY_DEFAULT   /**< Priority scheduling default    */
+        THREAD_PRIORITY_DEFAULT   /**< Priority scheduling default    */
 
     };
 
@@ -91,10 +91,10 @@ public:
      */
     enum ThreadPolicy {
 
-	THREAD_SCHEDULE_FIFO,        /**< First in, First out scheduling         */
+        THREAD_SCHEDULE_FIFO,        /**< First in, First out scheduling         */
-	THREAD_SCHEDULE_ROUND_ROBIN, /**< Round-robin scheduling (LINUX_DEFAULT) */
+        THREAD_SCHEDULE_ROUND_ROBIN, /**< Round-robin scheduling (LINUX_DEFAULT) */
-	THREAD_SCHEDULE_TIME_SHARE,  /**< Time-share scheduling (IRIX DEFAULT)   */
+        THREAD_SCHEDULE_TIME_SHARE,  /**< Time-share scheduling (IRIX DEFAULT)   */
-	THREAD_SCHEDULE_DEFAULT      /**< Default scheduling                     */
+        THREAD_SCHEDULE_DEFAULT      /**< Default scheduling                     */
 
     };
 
@@ -342,7 +342,7 @@ public:
       */
     int setProcessorAffinity( unsigned int cpunum );
 
-    /** microSleep method, equivilant to the posix usleep(microsec).
+    /** microSleep method, equivalent to the posix usleep(microsec).
       *  This is not strictly thread API but is used
       * so often with threads. It's basically UNIX usleep. Parameter is
       * number of microseconds we current thread to sleep. Returns 0 on

include/osg/BoundsChecking

@@ -47,7 +47,7 @@ inline void clampLEQUAL(T& value,const T maxValue,const char* valueName)
 
 /** If value is between or equal to minValue and maxValue do nothing - legal
   * value, Otherwise clamp value to specified range and warn that valueName
-  * was clamped. Equivilant to calling
+  * was clamped. Equivalent to calling
   *   clampGEQUAL( value, minValue, valueName );
   *   clampLEQUAL( value, maxValue, valueName ); */
 template <typename T>
@@ -95,7 +95,7 @@ inline void clampArrayElementLEQUAL(A& value,unsigned int i,const T maxValue,con
 
 /** If value[i] is between or equal to minValue and maxValue do nothing - legal
   * value, Otherwise clamp value[i] to specified range and warn that
-  * valueName[i] was clamped. Equivilant to calling
+  * valueName[i] was clamped. Equivalent to calling
   *   clampArrayElementGEQUAL( value, i, minValue, valueName );
   *   clampArrayElementLEQUAL( value, i, maxValue, valueName ); */
 template <typename A, typename T>

include/osg/Geometry

@@ -176,13 +176,13 @@ class OSG_EXPORT Geometry : public Drawable
         */
         virtual void drawImplementation(RenderInfo& renderInfo) const;
 
-	/** Set up the vertex arrays for the purpose of rendering, called by drawImplemtation() prior to it calling drawPrimitivesImplementation().*/
+        /** Set up the vertex arrays for the purpose of rendering, called by drawImplemtation() prior to it calling drawPrimitivesImplementation().*/
-	void drawVertexArraysImplementation(RenderInfo& renderInfo) const;
+        void drawVertexArraysImplementation(RenderInfo& renderInfo) const;
 
-	/** dispatch the primitives to OpenGL, called by drawImplemtation() after calling drawVertexArraysImplementation().*/
+        /** dispatch the primitives to OpenGL, called by drawImplemtation() after calling drawVertexArraysImplementation().*/
-	void drawPrimitivesImplementation(RenderInfo& renderInfo) const;
+        void drawPrimitivesImplementation(RenderInfo& renderInfo) const;
 
-	/** Return true, osg::Geometry does support accept(Drawable::AttributeFunctor&). */
+        /** Return true, osg::Geometry does support accept(Drawable::AttributeFunctor&). */
         virtual bool supports(const Drawable::AttributeFunctor&) const { return true; }
 
         /** Accept an Drawable::AttributeFunctor and call its methods to tell it about the internal attributes that this Drawable has. */
@@ -232,7 +232,7 @@ class OSG_EXPORT Geometry : public Drawable
     public:
 
 
-        /** Return true if the deprecated use array indicies or BIND_PER_PRIMITIVE binding has been assigned to arrays.*/
+        /** Return true if the deprecated use array indices or BIND_PER_PRIMITIVE binding has been assigned to arrays.*/
         bool containsDeprecatedData() const { return  _containsDeprecatedData; }
 
         /** fallback for deprecated functionality. Return true if the Geometry contains any array indices or BIND_PER_PRIMITIVE arrays. */
@@ -294,7 +294,7 @@ inline Geometry* createTexturedQuadGeometry(const Vec3& corner,const Vec3& width
 namespace deprecated_osg {
 
 /** Geometry class contaning deprecated features.
- * Users should only use deprecatged_osg::Geometry when absolutely neccessary for keeping things compiling,
+ * Users should only use deprecated_osg::Geometry when absolutely necessary for keeping things compiling,
  * it is recommended that you should migrate your code to work just with osg::Geometry as existing
  * deprecated_osg::Geometry will be removed in future release.
 */

include/osg/Image

@@ -224,7 +224,7 @@ class OSG_EXPORT Image : public BufferData
           * Typically used to copy to an already allocated image, such as creating
           * a 3D image from a stack 2D images.
           * If this Image is empty then image data is created to
-          * accomodate the source image in its offset position.
+          * accommodate the source image in its offset position.
           * If source is NULL then no operation happens, this Image is left unchanged.
         */
         virtual void copySubImage(int s_offset, int t_offset, int r_offset, const osg::Image* source);

include/osg/ImageUtils

@@ -201,7 +201,7 @@ extern OSG_EXPORT bool clearImageToColor(osg::Image* image, const osg::Vec4& col
 
 typedef std::vector< osg::ref_ptr<osg::Image> > ImageList;
 
-/** Search through the list of Images and find the maximum number of components used amoung the images.*/
+/** Search through the list of Images and find the maximum number of components used among the images.*/
 extern OSG_EXPORT unsigned int maximimNumOfComponents(const ImageList& imageList);
 
 /** create a 3D osg::Image from a list of osg::Image.*/

include/osg/Object

@@ -86,7 +86,7 @@ class OSG_EXPORT Object : public Referenced
             by derived classes.*/
         virtual const char* className() const = 0;
 
-        /** return the compound class name that combines the libary name and class name.*/
+        /** return the compound class name that combines the library name and class name.*/
         std::string getCompoundClassName() const { return std::string(libraryName()) + std::string("::") + std::string(className()); }
 
 

include/osg/TransferFunction

@@ -95,7 +95,7 @@ class OSG_EXPORT TransferFunction1D : public osg::TransferFunction
         /** Set the color for a specified transfer function value.
           * updateImage defaults to true, and tells the setColor function to update the associate osg::Image that
           * tracks the color map.  Pass in false as the updateImage parameter if you are setting up many values
-          * at once to avoid recomputation of the image data, then once all setColor calls are made explictly call
+          * at once to avoid recomputation of the image data, then once all setColor calls are made explicitly call
           * updateImage() to bring the osg::Image back into sync with the color map. */
         void setColor(float v, const osg::Vec4& color, bool updateImage=true);
 

include/osg/observer_ptr

@@ -27,9 +27,9 @@ namespace osg {
   * To use the observer_ptr<> robustly in multi-threaded applications it is recommend to access the pointer via
   * the lock() method that passes back a ref_ptr<> that safely takes a reference to the object to prevent deletion
   * during usage of the object.  In certain conditions it may be safe to use the pointer directly without using lock(),
-  * which will confer a perfomance advantage, the conditions are:
+  * which will confer a performance advantage, the conditions are:
   *   1) The data structure is only accessed/deleted in single threaded/serial way.
-  *   2) The data strucutre is guarenteed by high level management of data strucutures and threads which avoid
+  *   2) The data strucutre is guaranteed by high level management of data strucutures and threads which avoid
   *      possible situations where the observer_ptr<>'s object may be deleted by one thread whilst being accessed
   *      by another.
   * If you are in any doubt about whether it is safe to access the object safe then use the

include/osg/ref_ptr

@@ -97,7 +97,7 @@ class ref_ptr
         /** release the pointer from ownership by this ref_ptr<>, decrementing the objects refencedCount() via unref_nodelete() to prevent the Object
           * object from being deleted even if the reference count goes to zero.  Use when using a local ref_ptr<> to an Object that you want to return
           * from a function/method via a C pointer, whilst preventing the normal ref_ptr<> destructor from cleaning up the object. When using release()
-          * you are implicitly expecting other code to take over managment of the object, otherwise a memory leak will result. */
+          * you are implicitly expecting other code to take over management of the object, otherwise a memory leak will result. */
         T* release() { T* tmp=_ptr; if (_ptr) _ptr->unref_nodelete(); _ptr=0; return tmp; }
 
         void swap(ref_ptr& rp) { T* tmp=_ptr; _ptr=rp._ptr; rp._ptr=tmp; }

include/osgDB/ClassInterface

@@ -176,16 +176,16 @@ public:
     /// Properties supported for a range of classes, used for white and black lists
     typedef std::map<std::string, PropertyMap> ObjectPropertyMap;
 
-    /// Get the list of properties that are explictly defined as supported
+    /// Get the list of properties that are explicitly defined as supported
     ObjectPropertyMap& getWhiteList() { return _whiteList; }
 
-    /// Get the const list of properties that are explictly defined as supported
+    /// Get the const list of properties that are explicitly defined as supported
     const ObjectPropertyMap& getWhiteList() const { return _whiteList; }
 
-    /// Get the list of properties that are explictly defined as not supported
+    /// Get the list of properties that are explicitly defined as not supported
     ObjectPropertyMap& getBlackList() { return _blackList; }
 
-    /// Get the const list of properties that are explictly defined as not supported
+    /// Get the const list of properties that are explicitly defined as not supported
     const ObjectPropertyMap& getBlackList() const { return _blackList; }
 
     osgDB::ObjectWrapper* getObjectWrapper(const osg::Object* object) const;

include/osgDB/ExternalFileWriter

@@ -66,7 +66,7 @@ namespace osgDB
             ObjectData(const std::string & absolutePath, const std::string & relativePath, bool written) : absolutePath(absolutePath), relativePath(relativePath), written(written) {}
             std::string absolutePath;
             std::string relativePath;
-            bool written;        ///< Says if write succeded or not.
+            bool written;        ///< Says if write succeeded or not.
         };
 
         /// Set of written objects, with their absolute writing path.

include/osgDB/ReaderWriter

@@ -216,7 +216,7 @@ class OSGDB_EXPORT ReaderWriter : public osg::Object
 
         typedef osgDB::Options Options;
 
-        /** Determine if a file exists, normally the default implementation will be appropiate for local file access
+        /** Determine if a file exists, normally the default implementation will be appropriate for local file access
          *  but with plugins like the libcurl based one it will return true if the file is accessible at the server. */
         virtual bool fileExists(const std::string& filename, const Options* options) const;
 

include/osgGA/GUIActionAdapter

@@ -85,7 +85,7 @@ public:
         requestWarpPointer(int,int) is requesting a repositioning of the mouse pointer
         to a specified x,y location on the window.  This is used by some camera manipulators
         to initialise the mouse pointer when mouse position relative to a controls
-        neutral mouse position is required, i.e when mimicking a aircrafts joystick.
+        neutral mouse position is required, i.e when mimicking an aircraft joystick.
         */
         virtual void requestWarpPointer(float x,float y) = 0;
 

include/osgManipulator/Dragger

@@ -37,7 +37,7 @@ class Scale2DCommand;
 class ScaleUniformCommand;
 class Rotate3DCommand;
 
-/** Computes the nodepath from the given node all the way upto the root. */
+/** Computes the nodepath from the given node all the way up to the root. */
 extern OSGMANIPULATOR_EXPORT void computeNodePathToRoot(osg::Node& node, osg::NodePath& np);
 
 

include/osgParticle/ConnectedParticleSystem

@@ -20,7 +20,7 @@ namespace osgParticle
 {
 
     /** ConnectConnectedParticleSystem is a specialise ConnectedParticleSystem for effects
-      * like missle trails, where the individual particles are rendered as
+      * like missile trails, where the individual particles are rendered as
       * single ribbon.
     */
     class OSGPARTICLE_EXPORT ConnectedParticleSystem: public osgParticle::ParticleSystem

include/osgShadow/ViewDependentShadowTechnique

@@ -78,13 +78,13 @@ virtual ViewDependentShadowTechnique::ViewData * initViewDependentData         \
     unique CullVisitor used to cull the scene in every frame.
 
     Based on CullVisitor ptr passed to cull method, associated Technique::ViewData
-    object is created (if neccessary) and then seleced. Then control is passed to
+    object is created (if necessary) and then seleced. Then control is passed to
     this ViewData object. So, each view has its associated unique ViewData
     (or derived) object performing dirty work of shadow resources management and
     shadow generation for the view.
 
     To support creation of classes derived from ViewDependentShadowTechnique it
-    was neccessary to provide mechanism to override ViewData and allow for
+    was necessary to provide mechanism to override ViewData and allow for
     initialization of new derived ViewData objects. Creation and initialization
     is performed when ViewDependendentShadowTechnique::cull gets called with
     CullVistor ptr which does not yet have associated ViewData object. When it

include/osgTerrain/TerrainTile

@@ -149,7 +149,7 @@ class OSGTERRAIN_EXPORT TerrainTile : public osg::Group
         bool getRequiresNormals() const { return _requiresNormals; }
 
 
-        /** Set the hint to whether the TerrainTechnique should treat the invalid Layer entries that at are neigbours to valid entries with the default value.*/
+        /** Set the hint to whether the TerrainTechnique should treat the invalid Layer entries that at are neighbours to valid entries with the default value.*/
         void setTreatBoundariesToValidDataAsDefaultValue(bool flag) { _treatBoundariesToValidDataAsDefaultValue = flag; }
 
         /** Get whether the TeatBoundariesToValidDataAsDefaultValue hint.*/

include/osgText/Glyph

@@ -272,7 +272,7 @@ public:
     /** Resize any per context GLObject buffers to specified size. */
     virtual void resizeGLObjectBuffers(unsigned int maxSize);
 
-    /** create an image that maps all the associated Glyph's onto a single image, that is equivilant to what will be downloaded to the texture.*/
+    /** create an image that maps all the associated Glyph's onto a single image, that is equivalent to what will be downloaded to the texture.*/
     osg::Image* createImage();
 
 protected:

include/osgUI/Widget

@@ -59,7 +59,7 @@ public:
     const GraphicsSubgraphMap& getGraphicsSubgraphMap() const { return _graphicsSubgraphMap; }
 
     /** Set the WidgetStateSet is used internally by Widgets to manage state that decorates the subgraph.
-      * WidgetStateSet is not serialized and is typically populated by teh Widget::createGraphics() implementation,
+      * WidgetStateSet is not serialized and is typically populated by the Widget::createGraphics() implementation,
       * end users will not normally touoch the WidgetStateSet, use the normal Node::setStateSet() if you want to apply
       * your own state to the Widget and it's subgraphs.*/
     void setWidgetStateSet(osg::StateSet* stateset) { _widgetStateSet = stateset; }

include/osgUtil/SceneGraphBuilder

@@ -23,7 +23,7 @@
 
 namespace osgUtil {
 
-/** A class for assisting the building ascene graphs that is equivilant to OpenGL 1.0 style calls.
+/** A class for assisting the building a scene graph that is equivilant to OpenGL 1.0 style calls.
   */
 class OSGUTIL_EXPORT SceneGraphBuilder
 {

include/osgWidget/Widget

@@ -27,7 +27,7 @@ namespace osgWidget {
 class Window;
 class WindowManager;
 
-// A Widget is a rectangular region that recieves events about the state of various input
+// A Widget is a rectangular region that receives events about the state of various input
 // devices such as the pointer and keyboard. It is aware of it's width, height, and origin but
 // nothing else. It is the job of higher-level container objects to organize layouts and
 // the like, and to contextualize the meaning of the widgets "origin" (whether it is absolute
@@ -468,7 +468,7 @@ public:
         point_type _padTop;
         point_type _padBottom;
 
-        // The alignments are used in conjuction when the widget is NOT set to fill.
+        // The alignments are used in conjunction when the widget is NOT set to fill.
         VerticalAlignment _valign;
         HorizontalAlignment _halign;
 

src/OpenThreads/pthreads/PThreadBarrier.cpp

@@ -75,13 +75,13 @@ Barrier::Barrier(int numThreads) {
     //
     //  PRIO_INHERIT causes any thread locking the mutex to temporarily become
     //  the same priority as the highest thread also blocked on the mutex. 
-    //  Although more expensive, this is the prefered method.
+    //  Although more expensive, this is the preferred method.
     //
     //  PRIO_PROTECT causes any thread locking the mutex to assume the priority
     //  specified by setprioceiling.  pthread_mutex_lock will fail if
     //  the priority ceiling is lower than the thread's priority.  Therefore,
     //  the priority ceiling must be set to the max priority in order to 
-    //  garantee no deadlocks will occur.
+    //  guarantee no deadlocks will occur.
     //
 #if defined (_POSIX_THREAD_PRIO_INHERIT) || defined (_POSIX_THREAD_PRIO_PROTECT) // [
 

src/OpenThreads/pthreads/PThreadMutex.cpp

@@ -64,13 +64,13 @@ Mutex::Mutex(MutexType type):
     //
     //  PRIO_INHERIT causes any thread locking the mutex to temporarily become
     //  the same priority as the highest thread also blocked on the mutex. 
-    //  Although more expensive, this is the prefered method.
+    //  Although more expensive, this is the preferred method.
     //
     //  PRIO_PROTECT causes any thread locking the mutex to assume the priority
     //  specified by setprioceiling.  pthread_mutex_lock will fail if
     //  the priority ceiling is lower than the thread's priority.  Therefore,
     //  the priority ceiling must be set to the max priority in order to 
-    //  garantee no deadlocks will occur.
+    //  guarantee no deadlocks will occur.
     //
 #if defined (_POSIX_THREAD_PRIO_INHERIT) || defined (_POSIX_THREAD_PRIO_PROTECT) // [
 

src/OpenThreads/win32/Win32Thread.cpp

@@ -161,7 +161,7 @@ namespace OpenThreads {
 
         //--------------------------------------------------------------------------
         // Set thread scheduling parameters.
-        // Note that time-critical priority is ommited :
+        // Note that time-critical priority is omitted :
         // 1) It's not sensible thing to do
         // 2) there's no enum for that in Thread interface
         // Also, on Windows, effective thread priority is :

src/osg/ImageUtils.cpp

@@ -347,7 +347,7 @@ bool clearImageToColor(osg::Image* image, const osg::Vec4& colour)
     return true;
 }
 
-/** Search through the list of Images and find the maximum number of components used amoung the images.*/
+/** Search through the list of Images and find the maximum number of components used among the images.*/
 unsigned int maximimNumOfComponents(const ImageList& imageList)
 {
     unsigned int max_components = 0;

src/osg/Sequence.cpp

@@ -338,7 +338,7 @@ void Sequence::traverse(NodeVisitor& nv)
             int loops = (int)(deltaT/adjTotalTime);
 
 
-            // adjust reps & quick check to see if done becuase reps used up
+            // adjust reps & quick check to see if done because reps used up
 
             if (_nreps>0)
             {

src/osg/ShadowVolumeOccluder.cpp

@@ -210,7 +210,7 @@ bool ShadowVolumeOccluder::computeOccluder(const NodePath& nodePath,const Convex
     //     then push to coords to far plane by setting its coord to c[i].z = -1.
     //     then transform far plane polygon back into projection space, by p[i]*inv(P)
     //     compute orientation of front plane, if normal.z()<0 then facing away from eye pont, so reverse the polygons, or simply invert planes.
-    //     compute volume (quality) betwen front polygon in projection space and back polygon in projection space.
+    //     compute volume (quality) between front polygon in projection space and back polygon in projection space.
 
 
     const VertexList& vertices_in = occluder.getOccluder().getVertexList();

src/osg/TexGen.cpp

@@ -120,7 +120,7 @@ void TexGen::apply(State&) const
     else                         // SPHERE_MAP
     {
         // Also don't set the mode of GL_R & GL_Q as these will generate
-        // GL_INVALID_ENUM (See OpenGL Refrence Guide, glTexGEn.)
+        // GL_INVALID_ENUM (See OpenGL Reference Guide, glTexGEn.)
 
         glTexGeni( GL_S, GL_TEXTURE_GEN_MODE, _mode );
         glTexGeni( GL_T, GL_TEXTURE_GEN_MODE, _mode );

src/osg/Texture1D.cpp

@@ -174,7 +174,7 @@ void Texture1D::apply(State& state) const
         {
             applyTexImage1D(GL_TEXTURE_1D,_image.get(),state, _textureWidth, _numMipmapLevels);
 
-            // update the modified count to show that it is upto date.
+            // update the modified count to show that it is up to date.
             getModifiedCount(contextID) = _image->getModifiedCount();
         }
 

src/osg/Texture2D.cpp

@@ -236,7 +236,7 @@ void Texture2D::apply(State& state) const
         // perhaps it is the first glBind which is not required...
         //glBindTexture( GL_TEXTURE_2D, handle );
 
-        // update the modified tag to show that it is upto date.
+        // update the modified tag to show that it is up to date.
         if (_image.valid()) getModifiedCount(contextID) = _image->getModifiedCount();
     }
     else if (_image.valid() && _image->data())
@@ -272,7 +272,7 @@ void Texture2D::apply(State& state) const
             textureObject->setAllocated(true);
         }
 
-        // update the modified tag to show that it is upto date.
+        // update the modified tag to show that it is up to date.
         getModifiedCount(contextID) = image->getModifiedCount();
 
         // unref image data?

src/osg/Texture2DArray.cpp

@@ -367,7 +367,7 @@ void Texture2DArray::apply(State& state) const
 
         // For certain we have to manually allocate memory for mipmaps if images are compressed
         // if not allocated OpenGL will produce errors on mipmap upload.
-        // I have not tested if this is neccessary for plain texture formats but
+        // I have not tested if this is necessary for plain texture formats but
         // common sense suggests its required as well.
         if( _min_filter != LINEAR && _min_filter != NEAREST && _images[0]->isMipmap() )
         {
@@ -630,7 +630,7 @@ void Texture2DArray::copyTexSubImage2DArray(State& state, int xoffset, int yoffs
     }
     else
     {
-        OSG_WARN<<"Warning: Texture2DArray::copyTexSubImage2DArray(..) failed, cannot not copy to a non existant texture."<<std::endl;
+        OSG_WARN<<"Warning: Texture2DArray::copyTexSubImage2DArray(..) failed, cannot not copy to a non existent texture."<<std::endl;
     }
 }
 

src/osg/Texture3D.cpp

@@ -257,7 +257,7 @@ void Texture3D::apply(State& state) const
 
             applyTexImage3D(GL_TEXTURE_3D,_image.get(),state, _textureWidth, _textureHeight, _textureDepth,_numMipmapLevels);
 
-            // update the modified count to show that it is upto date.
+            // update the modified count to show that it is up to date.
             getModifiedCount(contextID) = _image->getModifiedCount();
         }
 
@@ -302,7 +302,7 @@ void Texture3D::apply(State& state) const
 
         textureObject->setAllocated(_numMipmapLevels,_internalFormat,_textureWidth,_textureHeight,_textureDepth,0);
 
-        // update the modified count to show that it is upto date.
+        // update the modified count to show that it is up to date.
         getModifiedCount(contextID) = _image->getModifiedCount();
 
         // unref image data?
@@ -505,7 +505,7 @@ void Texture3D::copyTexSubImage3D(State& state, int xoffset, int yoffset, int zo
     }
     else
     {
-        OSG_WARN<<"Warning: Texture3D::copyTexSubImage3D(..) failed, cannot not copy to a non existant texture."<<std::endl;
+        OSG_WARN<<"Warning: Texture3D::copyTexSubImage3D(..) failed, cannot not copy to a non existent texture."<<std::endl;
     }
 }
 

src/osg/TextureCubeMap.cpp

@@ -388,7 +388,7 @@ void TextureCubeMap::copyTexSubImageCubeMap(State& state, int face, int xoffset,
         if (!textureObject)
         {
             // failed to create texture object
-            OSG_NOTICE<<"Warning : failed to create TextureCubeMap texture obeject, copyTexSubImageCubeMap abondoned."<<std::endl;
+            OSG_NOTICE<<"Warning : failed to create TextureCubeMap texture obeject, copyTexSubImageCubeMap abandoned."<<std::endl;
             return;
         }
 

src/osg/TextureRectangle.cpp

@@ -211,7 +211,7 @@ void TextureRectangle::apply(State& state) const
         {
             applyTexImage_subload(GL_TEXTURE_RECTANGLE, _image.get(), state, _textureWidth, _textureHeight, _internalFormat);
 
-            // update the modified count to show that it is upto date.
+            // update the modified count to show that it is up to date.
             getModifiedCount(contextID) = _image->getModifiedCount();
         }
     }
@@ -310,7 +310,7 @@ void TextureRectangle::applyTexImage_load(GLenum target, Image* image, State& st
     const unsigned int contextID = state.getContextID();
     const GLExtensions* extensions = state.get<GLExtensions>();
 
-    // update the modified count to show that it is upto date.
+    // update the modified count to show that it is up to date.
     getModifiedCount(contextID) = image->getModifiedCount();
 
     // compute the internal texture format, sets _internalFormat.
@@ -393,7 +393,7 @@ void TextureRectangle::applyTexImage_subload(GLenum target, Image* image, State&
     const GLExtensions* extensions = state.get<GLExtensions>();
 
 
-    // update the modified count to show that it is upto date.
+    // update the modified count to show that it is up to date.
     getModifiedCount(contextID) = image->getModifiedCount();
 
     // compute the internal texture format, sets _internalFormat.

src/osg/Uniform.cpp

@@ -1298,7 +1298,7 @@ Uniform::Uniform( const char* name, bool b0, bool b1, bool b2, bool b3 ) :
 
 ///////////////////////////////////////////////////////////////////////////
 // Value assignment for single-element (ie: non-array) uniforms.
-// (For backwards compatability, if not already configured, set the
+// (For backwards compatibility, if not already configured, set the
 // Uniform's _numElements=1)
 
 bool Uniform::set( float f )

src/osgAnimation/RigGeometry.cpp

@@ -24,7 +24,7 @@ osg::BoundingBox RigComputeBoundingBoxCallback::computeBound(const osg::Drawable
 {
     const osgAnimation::RigGeometry& rig = dynamic_cast<const osgAnimation::RigGeometry&>(drawable);
 
-    // if a valid inital bounding box is set we use it without asking more
+    // if a valid initial bounding box is set we use it without asking more
     if (rig.getInitialBound().valid())
         return rig.getInitialBound();
 

src/osgDB/DynamicLibrary.cpp

@@ -108,7 +108,7 @@ DynamicLibrary::HANDLE DynamicLibrary::getLibraryHandle( const std::string& libr
         NSDestroyObjectFileImage(image);
     }
 #elif defined(__hpux)
-    // BIND_FIRST is neccessary for some reason
+    // BIND_FIRST is necessary for some reason
     handle = shl_load ( libraryName.c_str(), BIND_DEFERRED|BIND_FIRST|BIND_VERBOSE, 0);
     return handle;
 #else // other unix

src/osgDB/FileNameUtils.cpp

@@ -152,7 +152,7 @@ std::string osgDB::getNameLessExtension(const std::string& fileName)
 // strip all extensions from the filename.
 std::string osgDB::getNameLessAllExtensions(const std::string& fileName)
 {
-    // Finds start serach position: from last slash, or the begining of the string if none found
+    // Finds start serach position: from last slash, or the beginning of the string if none found
     std::string::size_type startPos = fileName.find_last_of(PATH_SEPARATORS);            // Finds forward slash *or* back slash
     if (startPos == std::string::npos) startPos = 0;
     std::string::size_type dot = fileName.find_first_of('.', startPos);        // Finds *FIRST* dot from start pos

src/osgDB/FileUtils.cpp

@@ -964,7 +964,7 @@ bool osgDB::containsCurrentWorkingDirectoryReference(const FilePathList& paths)
     }
 
     // The Cocoa version is about 10 lines of code.
-    // The Carbon version is noticably longer.
+    // The Carbon version is noticeably longer.
     // Unfortunately, the Cocoa version requires -lobjc to be
     // linked in when creating an executable.
     // Rumor is that this will be done autmatically in gcc 3.5/Tiger,

src/osgDB/Registry.cpp

@@ -854,7 +854,7 @@ ReaderWriter* Registry::getReaderWriterForExtension(const std::string& ext)
 
     OpenThreads::ScopedLock<OpenThreads::ReentrantMutex> lock(_pluginMutex);
 
-    // first attemt one of the installed loaders
+    // first attempt one of the installed loaders
     for(ReaderWriterList::iterator itr=_rwList.begin();
         itr!=_rwList.end();
         ++itr)

src/osgDB/XmlParser.cpp

@@ -210,12 +210,12 @@ bool XmlNode::read(Input& input)
             commentNode->contents = input.substr(0, end);
             if (end!=std::string::npos)
             {
-                OSG_INFO<<"Valid infomation record ["<<commentNode->contents<<"]"<<std::endl;
+                OSG_INFO<<"Valid information record ["<<commentNode->contents<<"]"<<std::endl;
                 input += (end+2);
             }
             else
             {
-                OSG_NOTICE<<"Error: Unclosed infomation record ["<<commentNode->contents<<"]"<<std::endl;
+                OSG_NOTICE<<"Error: Unclosed information record ["<<commentNode->contents<<"]"<<std::endl;
                 input += end;
             }
         }
@@ -230,12 +230,12 @@ bool XmlNode::read(Input& input)
             commentNode->contents = input.substr(0, end);
             if (end!=std::string::npos)
             {
-                OSG_INFO<<"Valid infomation record ["<<commentNode->contents<<"]"<<std::endl;
+                OSG_INFO<<"Valid information record ["<<commentNode->contents<<"]"<<std::endl;
                 input += (end+2);
             }
             else
             {
-                OSG_NOTICE<<"Error: Unclosed infomation record ["<<commentNode->contents<<"]"<<std::endl;
+                OSG_NOTICE<<"Error: Unclosed information record ["<<commentNode->contents<<"]"<<std::endl;
                 input += end;
             }
         }
@@ -250,12 +250,12 @@ bool XmlNode::read(Input& input)
             commentNode->contents = input.substr(0, end);
             if (end!=std::string::npos)
             {
-                OSG_INFO<<"Valid infomation record ["<<commentNode->contents<<"]"<<std::endl;
+                OSG_INFO<<"Valid information record ["<<commentNode->contents<<"]"<<std::endl;
                 input += (end+2);
             }
             else
             {
-                OSG_NOTICE<<"Error: Unclosed infomation record ["<<commentNode->contents<<"]"<<std::endl;
+                OSG_NOTICE<<"Error: Unclosed information record ["<<commentNode->contents<<"]"<<std::endl;
                 input += end;
             }
         }

src/osgManipulator/Dragger.cpp

@@ -204,7 +204,7 @@ void Dragger::setHandleEvents(bool flag)
 
     _handleEvents = flag;
 
-    // update the number of children that require an event traversal to make sure this dragger recieves events.
+    // update the number of children that require an event traversal to make sure this dragger receives events.
     if (_handleEvents) setNumChildrenRequiringEventTraversal(getNumChildrenRequiringEventTraversal()+1);
     else if (getNumChildrenRequiringEventTraversal()>=1) setNumChildrenRequiringEventTraversal(getNumChildrenRequiringEventTraversal()-1);
 }

src/osgPlugins/3ds/ReaderWriter3DS.cpp

@@ -509,7 +509,7 @@ osg::Node* ReaderWriter3DS::ReaderObject::processNode(StateSetMap& drawStateMap,
     Lib3dsMesh * mesh = lib3ds_file_mesh_for_node(f,node);
     assert(!(mesh && !object));        // Node must be a LIB3DS_NODE_MESH_INSTANCE if a mesh exists
 
-    // Retreive LOCAL transform
+    // Retrieve LOCAL transform
     static const osg::Matrix::value_type MATRIX_EPSILON = 1e-10;
     osg::Matrix osgWorldToNodeMatrix( copyLib3dsMatrixToOsgMatrix(node->matrix) );
     osg::Matrix osgWorldToParentNodeMatrix;
@@ -624,7 +624,7 @@ osg::Node* ReaderWriter3DS::ReaderObject::processNode(StateSetMap& drawStateMap,
         }
         else
         {
-            // didnt use group for children, return a ptr directly to the Geode for this mesh
+            // didn't use group for children, return a ptr directly to the Geode for this mesh
             // there is no group node but may have a meshTransform node to hold the meshes matrix
             if (meshTransform) {
                 processMesh(drawStateMap,meshTransform,mesh,meshAppliedMatPtr);
@@ -900,7 +900,7 @@ bool isNumber(float x)
    not required, we must split the vertex if a different normal is required.
    For example if we are processing a cube mesh with no smoothing group
    made from 12 triangles and 8 vertices, the resultant mesh should have
-   24 vertices to accomodate the 3 different normals at each vertex.
+   24 vertices to accommodate the 3 different normals at each vertex.
   */
 static void addVertex(
     const Lib3dsMesh* mesh,

src/osgPlugins/Inventor/ConvertFromInventor.cpp

@@ -1652,7 +1652,7 @@ ConvertFromInventor::getStateSet(SoCallbackAction* action)
 
         stateSet->setTextureAttributeAndModes(0, texture.get(), osg::StateAttribute::ON);
 
-        // propogate name
+        // propagate name
         if(texture.valid())
         {
             std::string name = texture->getName();

src/osgPlugins/Inventor/ConvertToInventor.cpp

@@ -5,7 +5,7 @@
 //  SGI Inventor , or TGS Inventor.
 //
 //
-//  Autor: PCJohn (peciva _at fit.vutbr.cz)
+//  Author: PCJohn (peciva _at fit.vutbr.cz)
 //
 //  License: public domain
 //
@@ -1009,7 +1009,7 @@ ConvertToInventor::InventorState* ConvertToInventor::createInventorState(const o
     // just SoMaterial::transparency, SoTexture2 with alpha channel carry transparency information
     // that is controlled by SoGLRenderAction::transparency type that is set to SCREEN_DOOR by default
     // (dither pattern). So, if the user does not select better transparency type, there is no
-    // possiblity to control transparency type from file format.
+    // possibility to control transparency type from file format.
     //
     // However, SoTransparencyType node was introduced to overcome this historical limitation
     // because transparency was performance expensive long time ago.

src/osgPlugins/QTKit/OSXCoreVideoTexture.cpp

@@ -86,7 +86,7 @@ int OSXCoreVideoTexture::compare(const osg::StateAttribute& sa) const {
     int result = compareTexture(rhs);
     if (result!=0) return result;
 
-    // compare each paramter in turn against the rhs.
+    // compare each parameter in turn against the rhs.
 #if 1    
     if (_textureWidth != 0 && rhs._textureWidth != 0)
     {

src/osgPlugins/ac/ac3d.cpp

@@ -461,7 +461,7 @@ private:
     std::vector<MaterialData> mMaterials;
 
     /// Local per model texture attribute cache.
-    /// ... images are usualy cached in the registries object cache
+    /// ... images are usually cached in the registries object cache
     typedef std::map<std::string, TextureData> TextureDataMap;
     TextureDataMap mTextureStates;
     /// A common shared TexEnv set to modulate

src/osgPlugins/avfoundation/OSXAVFoundationCoreVideoTexture.cpp

@@ -98,7 +98,7 @@ int OSXAVFoundationCoreVideoTexture::compare(const osg::StateAttribute& sa) cons
     int result = compareTexture(rhs);
     if (result!=0) return result;
 
-    // compare each paramter in turn against the rhs.
+    // compare each parameter in turn against the rhs.
 #if 1    
     if (_textureWidth != 0 && rhs._textureWidth != 0)
     {

src/osgPlugins/cfg/VisualChooser.cpp

@@ -654,7 +654,7 @@ VisualInfo *VisualChooser::choose( Display *dpy, int screen, bool strict_adheren
             vid = ChoosePixelFormat(*dpy, &pfd);
             if ( vid != 0 )
             {
-              // Is this additional check neccessary ?
+              // Is this additional check necessary ?
               // Did anyone encountered a situation where
               // ChoosePixelFormat returned PXIELFORMAT worse than required ?
               _visual_id = static_cast<unsigned int>(vid);

src/osgPlugins/curl/ReaderWriterCURL.cpp

@@ -517,8 +517,8 @@ osgDB::ReaderWriter::ReadResult ReaderWriterCURL::readFile(ObjectType objectType
             }
         }
 
-        // if user has explictly specified curl then we don't about at this point,
+        // if user has explicitly specified curl then we don't about at this point,
-        // instead assume the curl can read it any way, if it doesn't explictly
+        // instead assume the curl can read it any way, if it doesn't explicitly
         // specify curl then we assume that the file is a local file and not appropriate
         // for the curl plugin to load.
         if (!curl_ext) return ReadResult::FILE_NOT_HANDLED;

src/osgPlugins/dae/ReaderWriterDAE.cpp

@@ -267,7 +267,7 @@ ReaderWriterDAE::writeNode( const osg::Node& node,
 
 static void replace(std::string & str, const char from, const std::string & to)
 {
-    // Replace for all occurences
+    // Replace for all occurrences
     for(std::string::size_type pos=str.find(from); pos!=std::string::npos; pos=str.find(from))
     {
         str.replace(pos, 1, to);
@@ -276,7 +276,7 @@ static void replace(std::string & str, const char from, const std::string & to)
 
 static void replace(std::string & str, const std::string & from, const std::string & to)
 {
-    // Replace for all occurences
+    // Replace for all occurrences
     std::size_t lenFrom = from.size();
     std::size_t lenTo = to.size();
     for(std::string::size_type pos=str.find(from); pos!=std::string::npos; pos = str.find(from, pos+lenTo))

src/osgPlugins/dae/daeRGeometry.cpp

@@ -279,7 +279,7 @@ osg::Node* daeReader::processMorph(domMorph* pDomMorph, domBind_material* pDomBi
                     pOsgMorphGeometry->setWeight(j, weights.get(j));
                 }
 
-                // See if morph weights are targetted by animations
+                // See if morph weights are targeted by animations
                 daeElementDomChannelMap::iterator iter = _daeElementDomChannelMap.find(pDomSource);
                 if (iter != _daeElementDomChannelMap.end())
                 {

src/osgPlugins/dae/daeRMaterials.cpp

@@ -388,7 +388,7 @@ void daeReader::processProfileCOMMON(osg::StateSet *ss, domProfile_COMMON *pc )
         {
             // Diffuse texture will defeat specular highlighting
             // So postpone specular - Not sure if I should do this here
-            // beacuse it will override any global light model states
+            // because it will override any global light model states
             osg::LightModel* lightmodel = new osg::LightModel;
             lightmodel->setColorControl(osg::LightModel::SEPARATE_SPECULAR_COLOR);
             ss->setAttributeAndModes(lightmodel, osg::StateAttribute::ON);
@@ -462,7 +462,7 @@ void daeReader::processProfileCOMMON(osg::StateSet *ss, domProfile_COMMON *pc )
         {
             // Diffuse texture will defeat specular highlighting
             // So postpone specular - Not sure if I should do this here
-            // beacuse it will override any global light model states
+            // because it will override any global light model states
             osg::LightModel* lightmodel = new osg::LightModel;
             lightmodel->setColorControl(osg::LightModel::SEPARATE_SPECULAR_COLOR);
             ss->setAttributeAndModes(lightmodel, osg::StateAttribute::ON);

src/osgPlugins/dae/daeReader.cpp

@@ -152,7 +152,7 @@ bool daeReader::processDocument( const std::string& fileURI)
             }
         }
 
-        // Build a map of elements that are targetted by animations
+        // Build a map of elements that are targeted by animations
         count = database->getElementCount(NULL, COLLADA_TYPE_CHANNEL, NULL);
         for (int i=0; i<count; i++)
         {

src/osgPlugins/dds/ReaderWriterDDS.cpp

@@ -440,7 +440,7 @@ osg::Image* ReadDDSFile(std::istream& _istream, bool flipDDSRead)
         depth = ddsd.dwDepth;
     }
 
-    // Retreive image properties.
+    // Retrieve image properties.
     int s = ddsd.dwWidth;
     int t = ddsd.dwHeight;
     int r = depth;

src/osgPlugins/directshow/DirectShowTexture.cpp

@@ -1918,7 +1918,7 @@ void DirectShowImageStream::stop()
 
     if (!_renderer->StopFilters())
     {
-        OSG_WARN << this << " cant stop filters" << std::endl;
+        OSG_WARN << this << " can't stop filters" << std::endl;
     }
 
     _renderer->releaseRessources();

src/osgPlugins/dxf/DXFWriterNodeVisitor.cpp

@@ -23,7 +23,7 @@
 
 /** writes all values of an array out to a stream, applies a matrix beforehand if necessary */
 
-// I think this is a bit over the top for just a simple vertex array - but if anyone knwos different?
+// I think this is a bit over the top for just a simple vertex array - but if anyone knows different?
 /*
 class ValueVisitor : public osg::ValueVisitor {
     public:

src/osgPlugins/ffmpeg/FFmpegDecoderAudio.cpp

@@ -301,7 +301,7 @@ void FFmpegDecoderAudio::run()
 
 void FFmpegDecoderAudio::setAudioSink(osg::ref_ptr<osg::AudioSink> audio_sink)
 {
-    // The FFmpegDecoderAudio object takes the responsability of destroying the audio_sink.
+    // The FFmpegDecoderAudio object takes the responsibility of destroying the audio_sink.
     OSG_NOTICE<<"Assigning "<<audio_sink<<std::endl;
     m_audio_sink = audio_sink;
 }

src/osgPlugins/gif/ReaderWriterGIF.cpp

@@ -34,7 +34,7 @@
  *
  *
  * Ported into the OSG as a plugin, Robert Osfield Decemeber 2000.
- * Note, reference above to license of simage_rgb is not relevent to the OSG
+ * Note, reference above to license of simage_rgb is not relevant to the OSG
  * as the OSG does not use it.  Also for patches, bugs and new features
  * please send them direct to the OSG dev team rather than address above.
  *

src/osgPlugins/gles/ReaderWriterGLES.cpp

@@ -72,7 +72,7 @@ public:
 
         supportsOption("enableWireframe[=inline]","create a wireframe geometry for each triangles geometry. The wire geometry will be stored along the solid geometry if 'inline' is specified.");
         supportsOption("generateTangentSpace","Build tangent space to each geometry");
-        supportsOption("tangentSpaceTextureUnit=<unit>","Specify on wich texture unit normal map is");
+        supportsOption("tangentSpaceTextureUnit=<unit>","Specify on which texture unit normal map is");
         supportsOption("triStripCacheSize=<int>","set the cache size when doing tristrip");
         supportsOption("triStripMinSize=<int>","set the minimum accepted length for a strip");
         supportsOption("disableMergeTriStrip","disable the merge of all tristrip into one");

src/osgPlugins/ive/Material.cpp

@@ -44,7 +44,7 @@ void Material::write(DataOutputStream* out){
     out->writeBool(_specularFrontAndBack);
     out->writeVec4(_specularFront);
     out->writeVec4(_specularBack);
-    // Write emmision
+    // Write emission
     out->writeBool(_emissionFrontAndBack);
     out->writeVec4(_emissionFront);
     out->writeVec4(_emissionBack);

src/osgPlugins/jpeg/EXIF_Orientation.cpp

@@ -78,7 +78,7 @@ int EXIF_Orientation (j_decompress_ptr cinfo)
             0x0002: APP1 length entry = 2 bytes
             0x0004: Exif Identifier entry = 6 bytes
             0x000A: Start of TIFF header (Byte order entry) - 4 bytes
-                    - This is what we look for, to determine endianess.
+                    - This is what we look for, to determine endianness.
             0x000E: 0th IFD offset pointer - 4 bytes
 
             exif_marker->data points to the first data after the APP1 marker
@@ -88,7 +88,7 @@ int EXIF_Orientation (j_decompress_ptr cinfo)
     */
 
 
-    /* Check for TIFF header and catch endianess */
+    /* Check for TIFF header and catch endianness */
     unsigned int i = 0;
     for(i=0; i < 16; ++i)
     {

src/osgPlugins/ktx/ReaderWriterKTX.cpp

@@ -65,7 +65,7 @@ osgDB::ReaderWriter::ReadResult ReaderWriterKTX::readKTXStream(std::istream& fin
         return ReadResult(ReadResult::FILE_NOT_HANDLED);
     }
 
-    //correct the byte order if the endianess doesn't match
+    //correct the byte order if the endianness doesn't match
     if(correctByteOrder(header) == false)
     {
         OSG_WARN << "Corrupt KTX header (invalid endianness marker)" << std::endl;

src/osgPlugins/las/ReaderWriterLAS.cpp

@@ -136,7 +136,7 @@ class ReaderWriterLAS : public osgDB::ReaderWriter
             double mid_y = 0.5*(my.second - my.first);
             double mid_z = 0.5*(mz.second - mz.first);
 
-            // now we do a second pass substracting the mid point to each point
+            // now we do a second pass subtracting the mid point to each point
             reader.Reset();
             uint32_t i = 0;
             while (reader.ReadNextPoint())

src/osgPlugins/logo/ReaderWriterLOGO.cpp

@@ -44,7 +44,7 @@ class Logos: public osg::Drawable
                 unsigned int contextID = cv->getState()!=0 ? cv->getState()->getContextID() : 0;
                 if(contextID != logos->getContextID())
                 {
-                    // logo not appropiate for window assigned to the cull visitor so cull it.
+                    // logo not appropriate for window assigned to the cull visitor so cull it.
                     return true;
                 }
 

src/osgPlugins/lwo/Object.cpp

@@ -214,7 +214,7 @@ void Object::parse(const iff::Chunk_list &data)
 
                 // FIX FOR A LIGHTWAVE BUG? MAYBE IT IS A FEATURE, I DON'T KNOW...
                 // if the first vertex is at a concave corner, we must invert the winding of the polygon
-                // beacuse it appears as flipped in Lighwave. Also, we tell the polygon to invert its normal.
+                // because it appears as flipped in Lighwave. Also, we tell the polygon to invert its normal.
                 // (not implemented yet)
                 /*if (i->vert.size() >= 4) {
                     if (must_invert_winding == triangle_is_clockwise(current_layer.units().back().points(), i->vert.front().index, i->vert.back().index, i->vert[1].index)) {

src/osgPlugins/lwo/ReaderWriterLWO.cpp

@@ -339,7 +339,7 @@ osgDB::ReaderWriter::ReadResult ReaderWriterLWO::readNode_LWO1(const std::string
 
     osgUtil::Tessellator tessellator;
 
-    // add everthing into the Geode.
+    // add everything into the Geode.
     osgUtil::SmoothingVisitor smoother;
     for(itr=mtgcm.begin();
         itr!=mtgcm.end();

src/osgPlugins/ply/plyfile.cpp

@@ -1942,7 +1942,7 @@ char **get_words(FILE *fp, int *nwords, char **orig_line)
   words = (char **) myalloc (sizeof (char *) * max_words);
 
   /* convert line-feed and tabs into spaces */
-  /* (this guarentees that there will be a space before the */
+  /* (this guarantees that there will be a space before the */
   /*  null character at the end of the string) */
 
   str[BIG_STRING-2] = ' ';

src/osgPlugins/ply/vertexData.cpp

@@ -266,7 +266,7 @@ osg::Node* VertexData::readPlyFile( const char* filename, const bool ignoreColor
     // Catch the if any exception thrown
     catch( exception& e )
     {
-        MESHERROR << "Unable to read PLY file, an exception occured:  "
+        MESHERROR << "Unable to read PLY file, an exception occurred:  "
                     << e.what() << endl;
     }
 
@@ -309,7 +309,7 @@ osg::Node* VertexData::readPlyFile( const char* filename, const bool ignoreColor
         }
         catch( exception& e )
         {
-            MESHERROR << "Unable to get PLY file description, an exception occured:  "
+            MESHERROR << "Unable to get PLY file description, an exception occurred:  "
                         << e.what() << endl;
         }
         MESHASSERT( props != 0 );
@@ -386,7 +386,7 @@ osg::Node* VertexData::readPlyFile( const char* filename, const bool ignoreColor
             }
             catch( exception& e )
             {
-                MESHERROR << "Unable to read vertex in PLY file, an exception occured:  "
+                MESHERROR << "Unable to read vertex in PLY file, an exception occurred:  "
                             << e.what() << endl;
                 // stop for loop by setting the loop variable to break condition
                 // this way resources still get released even on error cases
@@ -411,7 +411,7 @@ osg::Node* VertexData::readPlyFile( const char* filename, const bool ignoreColor
         }
         catch( exception& e )
         {
-            MESHERROR << "Unable to read PLY file, an exception occured:  "
+            MESHERROR << "Unable to read PLY file, an exception occurred:  "
                       << e.what() << endl;
             // stop for loop by setting the loop variable to break condition
             // this way resources still get released even on error cases

src/osgPlugins/pov/POVWriterNodeVisitor.cpp

@@ -3,7 +3,7 @@
 //  and writes it to the stream.
 //
 //
-//  Autor: PCJohn (peciva _at fit.vutbr.cz)
+//  Author: PCJohn (peciva _at fit.vutbr.cz)
 //                developed for research purposes of Cadwork (c) and
 //                Brno University of Technology (Czech Rep., EU)
 //

src/osgPlugins/quicktime/ReaderWriterQT.cpp

@@ -302,7 +302,7 @@ public:
           }
       }
 
-      // Not an encoded "live" psuedo file - so check a real file exists
+      // Not an encoded "live" pseudo file - so check a real file exists
       // only find the file if it isn't a URL
       std::string fileName = file;
 

src/osgPlugins/tiff/ReaderWriterTIFF.cpp

@@ -35,7 +35,7 @@
  *
  *
  * Ported into the OSG as a plugin, Robert Osfield Decemeber 2000.
- * Note, reference above to license of simage_rgb is not relevent to the OSG
+ * Note, reference above to license of simage_rgb is not relevant to the OSG
  * as the OSG does not use it.  Also for patches, bugs and new features
  * please send them direct to the OSG dev team rather than address above.
  *

src/osgPlugins/trans/ReaderWriterTRANS.cpp

@@ -96,7 +96,7 @@ class ReaderWriterTRANS : public osgDB::ReaderWriter
 public:
     ReaderWriterTRANS()
     {
-        supportsExtension(EXTENSION_NAME,"Translation Psuedo loader.");
+        supportsExtension(EXTENSION_NAME,"Translation Pseudo loader.");
     }
 
     virtual const char* className() const { return "translation pseudo-loader"; }

src/osgPlugins/txf/TXFFont.cpp

@@ -137,7 +137,7 @@ TXFFont::loadFont(std::istream& stream)
         return false;
     }
 
-    // read endianess hint
+    // read endianness hint
     bool isSwapped = 0x12345678u != readInt(stream, false);
 
     unsigned format = readInt(stream, isSwapped);

src/osgPlugins/txp/TXPPagedLOD.cpp

@@ -25,7 +25,7 @@ void TXPPagedLOD::traverse(osg::NodeVisitor& nv)
 
     //TileMapper* tileMapper = dynamic_cast<TileMapper*>(nv.getUserData());
     //Modified by Brad Anderegg (May-27-08) because the black listing process appears to make tiles switch lods
-    //when they clearly shouldnt, in the worst cases a tile will page out that is right in front of you.
+    //when they clearly shouldn't, in the worst cases a tile will page out that is right in front of you.
     bool forceUseOfFirstChild = /*tileMapper ? (tileMapper->isNodeBlackListed(this)) :*/ false;
 
     double timeStamp = nv.getFrameStamp()?nv.getFrameStamp()->getReferenceTime():0.0;

src/osgPlugins/txp/TileMapper.cpp

@@ -181,7 +181,7 @@ bool TileMapper::isTileNeighbourALowerLODLevel(const TileIdentifier& tid, int dx
     // identify whether the tile is a NE/SE/SW/NW tile relative to its parent.
     osg::Vec3 delta(tid.x%2,tid.y%2,0);
 
-    if (delta.y()>0.0f) // noth side
+    if (delta.y()>0.0f) // north side
     {
         if (delta.x()>0.0f)
         {

src/osgPlugins/txp/trpage_geom.cpp

@@ -511,7 +511,7 @@ bool trpgGeometry::Write(trpgWriteBuffer &buf)
 
     /* Material info
         Num materials
-        Material indicies
+        Material indices
         */
     if (materials.size() > 0) {
         buf.Begin(TRPG_GEOM_MATERIAL);

src/osgPlugins/txp/trpage_readbuf.cpp

@@ -281,8 +281,8 @@ bool trpgReadBuffer::GetToken(trpgToken &tok,int32 &len)
 }
 
 /* Limit Handling functions
-   These impose arbitrary lenght limits on the read buffer.
+   These impose arbitrary length limits on the read buffer.
-   This keeps us from reading pased a token group and parsing
+   This keeps us from reading passed a token group and parsing
    random data within an archive.
 */
 // Push Limit

src/osgPlugins/txp/trpage_warchive.cpp

@@ -1349,7 +1349,7 @@ void trpgwGeomHelper::Optimize()
                 vid = 3*triId;
 
                 if (triId < numTri) {
-                    // B is the new primary, check it agains the next
+                    // B is the new primary, check it against the next
                     c[0] = optVert(numMat,vid,vert,norm,tex);
                     c[1] = optVert(numMat,vid+1,vert,norm,tex);
                     c[2] = optVert(numMat,vid+2,vert,norm,tex);

src/osgPlugins/zip/unzip.cpp

@@ -1375,7 +1375,7 @@ const uInt border[] = { // Order of the bit length code lengths
 //    end-of-block.  Note however that the static length tree defines
 //    288 codes just to fill out the Huffman codes.  Codes 286 and 287
 //    cannot be used though, since there is no length base or extra bits
-//    defined for them.  Similarily, there are up to 30 distance codes.
+//    defined for them.  Similarly, there are up to 30 distance codes.
 //    However, static trees define 32 codes (all 5 bits) to fill out the
 //    Huffman codes, but the last two had better not show up in the data.
 // 7. Unzip can check dynamic Huffman blocks for complete code sets.
@@ -2968,7 +2968,7 @@ int unzGetLocalExtrafield (unzFile file, voidp buf, unsigned len);
 // ===========================================================================
 //   Read a byte from a gz_stream; update next_in and avail_in. Return EOF
 // for end of file.
-// IN assertion: the stream s has been sucessfully opened for reading.
+// IN assertion: the stream s has been successfully opened for reading.
 
 int unzlocal_getByte(LUFILE *fin,int *pi)
 { unsigned char c;
@@ -3062,8 +3062,8 @@ int strcmpcasenosensitive_internal (const char* fileName1,const char *fileName2)
 
 //
 // Compare two filename (fileName1,fileName2).
-// If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
+// If iCaseSenisivity = 1, comparison is case sensitivity (like strcmp)
-// If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi or strcasecmp)
+// If iCaseSenisivity = 2, comparison is not case sensitivity (like strcmpi or strcasecmp)
 //
 int unzStringFileNameCompare (const char*fileName1,const char*fileName2,int iCaseSensitivity)
 { if (iCaseSensitivity==1) return strcmp(fileName1,fileName2);

src/osgPresentation/KeyEventHandler.cpp

@@ -125,7 +125,7 @@ void KeyEventHandler::doOperation()
 
             if (commandRunsInBackground)
             {
-                // Sleep breifly while command runs in background to give it a chance to open
+                // Sleep briefly while command runs in background to give it a chance to open
                 // a window and obscure this present3D's window avoiding this present3D from
                 // rendering anything new before the new window opens.
                 OpenThreads::Thread::microSleep(500000); // half second sleep.

src/osgPresentation/PickEventHandler.cpp

@@ -234,7 +234,7 @@ void PickEventHandler::doOperation()
 
             if (commandRunsInBackground)
             {
-                // Sleep breifly while command runs in background to give it a chance to open
+                // Sleep briefly while command runs in background to give it a chance to open
                 // a window and obscure this present3D's window avoiding this present3D from
                 // rendering anything new before the new window opens.
                 OpenThreads::Thread::microSleep(500000); // half second sleep.

src/osgPresentation/SlideEventHandler.cpp

@@ -1013,7 +1013,7 @@ bool SlideEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIAction
                     else
                     {
                         // we're holding of the move to next layer to slide, but we need slip the time forward accordingly
-                        // componensate for the extra time that this frame is recieving.
+                        // componensate for the extra time that this frame is receiving.
                         _previousTime = time-getCurrentTimeDelayBetweenSlides();
                     }
                 }

src/osgShadow/ConvexPolyhedron.cpp

@@ -88,7 +88,7 @@ namespace
 typedef std::vector< double > Distances;
 typedef std::vector< osg::Vec4d > Points;
 
-// Auxilliary params contined per face
+// Auxiliary params continued per face
 struct FaceDistances
 {
     ConvexPolyhedron::Faces::iterator itr;

src/osgShadow/MinimalShadowMap.cpp

@@ -87,7 +87,7 @@ osg::BoundingBox MinimalShadowMap::ViewData::computeShadowReceivingCoarseBounds(
         frustum.cut( box );
 
         // approximate sphere with octahedron. Ie first cut by box then
-        // additionaly cut with the same box rotated 45, 45, 45 deg.
+        // additionally cut with the same box rotated 45, 45, 45 deg.
         box.transform( // rotate box around its center
             osg::Matrix::translate( -bs.center() ) *
             osg::Matrix::rotate( osg::PI_4, 0, 0, 1 ) *

src/osgShadow/ShadowMap.cpp

@@ -296,7 +296,7 @@ void ShadowMap::init()
             //       not yet supported !
 
             osg::Image* image = new osg::Image;
-            // allocate the image data, noPixels x 1 x 1 with 4 rgba floats - equivilant to a Vec4!
+            // allocate the image data, noPixels x 1 x 1 with 4 rgba floats - equivalent to a Vec4!
             int noPixels = 1;
             image->allocateImage(noPixels,1,1,GL_RGBA,GL_FLOAT);
             image->setInternalTextureFormat(GL_RGBA);
@@ -337,7 +337,7 @@ void ShadowMap::cull(osgUtil::CullVisitor& cv)
 
     osgUtil::RenderStage* orig_rs = cv.getRenderStage();
 
-    // do traversal of shadow recieving scene which does need to be decorated by the shadow map
+    // do traversal of shadow receiving scene which does need to be decorated by the shadow map
     {
         cv.pushStateSet(_stateset.get());
 

src/osgShadow/StandardShadowMap.cpp

@@ -572,7 +572,7 @@ void StandardShadowMap::ViewData::init( ThisClass *st, osgUtil::CullVisitor *cv
         stateset->setMode( GL_POLYGON_OFFSET_FILL,
               osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE );
 
-        // agressive optimization
+        // aggressive optimization
         stateset->setRenderBinDetails( 0, "RenderBin",
                             osg::StateSet::OVERRIDE_RENDERBIN_DETAILS );
 
@@ -582,7 +582,7 @@ void StandardShadowMap::ViewData::init( ThisClass *st, osgUtil::CullVisitor *cv
         stateset->setAttributeAndModes
             ( new osg::AlphaFunc( osg::AlphaFunc::GREATER, 0 ), osg::StateAttribute::ON );
 
-        // agressive optimization
+        // aggressive optimization
         stateset->setAttributeAndModes
             ( new osg::ColorMask( false, false, false, false ),
             osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE );

src/osgShadow/ViewDependentShadowMap.cpp

@@ -2145,7 +2145,7 @@ bool ViewDependentShadowMap::adjustPerspectiveShadowMapCameraSettings(osgUtil::R
     double gamma_v = acos(dotProduct_v);
     if (gamma_v<osg::DegreesToRadians(settings->getPerspectiveShadowMapCutOffAngle()) || gamma_v>osg::DegreesToRadians(180-settings->getPerspectiveShadowMapCutOffAngle()))
     {
-        // OSG_NOTICE<<"Light and view vectors near parrallel - use standard shadow map."<<std::endl;
+        // OSG_NOTICE<<"Light and view vectors near parallel - use standard shadow map."<<std::endl;
         return true;
     }
 

src/osgSim/InsertImpostorsVisitor.cpp

@@ -104,7 +104,7 @@ void InsertImpostorsVisitor::insertImpostors()
                     impostor->addChild(group);
                     impostor->setRange(0,0.0f,1e7f);
 
-                    // impostor specfic settings.
+                    // impostor specific settings.
                     impostor->setImpostorThresholdToBound(_impostorThresholdRatio);
 
                     // now replace the group by the new impostor in all of the
@@ -157,7 +157,7 @@ void InsertImpostorsVisitor::insertImpostors()
                     impostor->setCenter(lod->getCenter());
                     impostor->setCenterMode(lod->getCenterMode());
 
-                    // impostor specfic settings.
+                    // impostor specific settings.
                     impostor->setImpostorThresholdToBound(_impostorThresholdRatio);
 
                     // now replace the lod by the new impostor in all of the

src/osgSim/Sector.cpp

@@ -301,7 +301,7 @@ float DirectionalSector::operator() (const osg::Vec3& eyeLocal) const
 {
    float elev_intensity, azim_intensity ;
 
-   // Tranform eyeLocal into the LightPoint frame
+   // Transform eyeLocal into the LightPoint frame
    osg::Vec3 EPlp = _local_to_LP * eyeLocal ;
 
    /*fprintf(stderr, "    eyeLocal = %f, %f, %f\n", eyeLocal[0], eyeLocal[1], eyeLocal[2]) ;

src/osgText/GlyphGeometry.cpp

@@ -500,7 +500,7 @@ public:
         osg::ref_ptr<osg::DrawElementsUShort> face = new osg::DrawElementsUShort(GL_POLYGON);
         face->setName(faceName);
 
-        // reserve enough space in the vertex array to accomodate the vertices associated with the segments
+        // reserve enough space in the vertex array to accommodate the vertices associated with the segments
         new_vertices->reserve(new_vertices->size() + _segments.size()+1 + count);
 
         // create vertices

src/osgText/TextBase.cpp

@@ -430,7 +430,7 @@ void TextBase::positionCursor(const osg::Vec2 & endOfLine_coords, osg::Vec2 & cu
             switch (_alignment)
             {
                 // TODO: current behaviour top baselines lined up in both cases - need to implement
-                //       top of characters aligment - Question is this neccesary?
+                //       top of characters aligment - Question is this necessary?
                 // ... otherwise, nothing to be done for these 6 cases
                 //case LEFT_TOP:
                 //case CENTER_TOP:

src/osgUtil/DelaunayTriangulator.cpp

@@ -908,7 +908,7 @@ bool DelaunayTriangulator::triangulate()
             }
         }
     }
-    // dec 2006 we used to remove supertriangle vertices here, but then we cant strictly use the supertriangle
+    // dec 2006 we used to remove supertriangle vertices here, but then we can't strictly use the supertriangle
     // vertices to find intersections of constraints with terrain, so moved to later.
 
     OSG_INFO << "DelaunayTriangulator: finalizing and cleaning up structures\n";

src/osgUtil/Optimizer.cpp

@@ -4249,7 +4249,7 @@ void Optimizer::TextureAtlasVisitor::optimize()
                         }
                         else
                         {
-                            // if no texcoords then texgen must be being used, therefore must assume that texture is truely repeating
+                            // if no texcoords then texgen must be being used, therefore must assume that texture is truly repeating
                             s_outOfRange = true;
                             t_outOfRange = true;
                         }

src/osgUtil/RenderStage.cpp

@@ -1025,7 +1025,7 @@ void RenderStage::drawInner(osg::RenderInfo& renderInfo,RenderLeaf*& previous, b
                 }
             }
             // reset the read and draw buffers?  will comment out for now with the assumption that
-            // the buffers will be set explictly when needed elsewhere.
+            // the buffers will be set explicitly when needed elsewhere.
             // glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
             // glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
         }
@@ -1159,7 +1159,7 @@ void RenderStage::draw(osg::RenderInfo& renderInfo,RenderLeaf*& previous)
 
     if (_camera.valid() && _camera->getInitialDrawCallback())
     {
-        // if we have a camera with a intial draw callback invoke it.
+        // if we have a camera with a initial draw callback invoke it.
         (*(_camera->getInitialDrawCallback()))(renderInfo);
     }
 

src/osgUtil/Simplifier.cpp

@@ -754,7 +754,7 @@ public:
             if (itr!=_edgeSet.end())
             {
                 // remove the edge from the list, as its positoin in the list
-                // may need to change once its values have been ammended
+                // may need to change once its values have been amended
                 _edgeSet.erase(itr);
             }
 

src/osgViewer/CompositeViewer.cpp

@@ -48,7 +48,7 @@ CompositeViewer::CompositeViewer(osg::ArgumentParser& arguments)
 
     arguments.getApplicationUsage()->addCommandLineOption("--run-on-demand","Set the run methods frame rate management to only rendering frames when required.");
     arguments.getApplicationUsage()->addCommandLineOption("--run-continuous","Set the run methods frame rate management to rendering frames continuously.");
-    arguments.getApplicationUsage()->addCommandLineOption("--run-max-frame-rate","Set the run methods maximum permissable frame rate, 0.0 is default and switching off frame rate capping.");
+    arguments.getApplicationUsage()->addCommandLineOption("--run-max-frame-rate","Set the run methods maximum permissible frame rate, 0.0 is default and switching off frame rate capping.");
 
 
     std::string filename;

src/osgViewer/GraphicsWindowWin32.cpp

@@ -969,7 +969,7 @@ void Win32WindowingSystem::getScreenSettings( const osg::GraphicsContext::Screen
         if (resolution.refreshRate == 0 || resolution.refreshRate == 1) {
             // Windows specific: 0 and 1 represent the hhardware's default refresh rate.
             // If someone knows how to get this refresh rate (in Hz)...
-            OSG_NOTICE << "Win32WindowingSystem::getScreenSettings() is not fully implemented (cannot retreive the hardware's default refresh rate)."<<std::endl;
+            OSG_NOTICE << "Win32WindowingSystem::getScreenSettings() is not fully implemented (cannot retrieve the hardware's default refresh rate)."<<std::endl;
             resolution.refreshRate = 0;
         }
     } else
@@ -1255,7 +1255,7 @@ void GraphicsWindowWin32::init()
     //
     // When using OpenGL in threaded app ( main thread sets up context / renderer thread draws using it )
     // first wglMakeCurrent seems to not work right and screw OpenGL context driver data:
-    // 1: succesive drawing shows a number of artifacts in TriangleStrips and TriangleFans
+    // 1: successive drawing shows a number of artifacts in TriangleStrips and TriangleFans
     // 2: weird behaviour of FramBufferObjects (glGenFramebuffer generates already generated ids ...)
     // Looks like repeating wglMakeCurrent call fixes all these issues
     // wglMakeCurrent call can impact performance so I try to minimize number of
@@ -1749,7 +1749,7 @@ bool GraphicsWindowWin32::setPixelFormat()
                                         << _traits->screenNum
                                         << std::endl;
 
-                _traits->red = bpp / 4; //integer devide, determine minimum number of bits we will accept
+                _traits->red = bpp / 4; //integer divide, determine minimum number of bits we will accept
                 _traits->green = bpp / 4;
                 _traits->blue = bpp / 4;
                 ::PreparePixelFormatSpecifications(*_traits, formatSpecs, true);// try again with WGL_SWAP_METHOD_ARB

src/osgViewer/GraphicsWindowX11.cpp

@@ -679,7 +679,7 @@ void GraphicsWindowX11::init()
             return;
         }
 
-        OSG_NOTICE<<"GraphicsWindowX11::init() - eglInitialize() succeded eglMajorVersion="<<eglMajorVersion<<" iMinorVersion="<<eglMinorVersion<<std::endl;
+        OSG_NOTICE<<"GraphicsWindowX11::init() - eglInitialize() succeeded eglMajorVersion="<<eglMajorVersion<<" iMinorVersion="<<eglMinorVersion<<std::endl;
 
    #else
         // Query for GLX extension
@@ -903,7 +903,7 @@ bool GraphicsWindowX11::createWindow()
         // we have a modern X11 server so assume we need the do the full screen hack.
         if (netWMStateAtom != None && netWMStateFullscreenAtom != None)
         {
-            // artifically reduce the initial window size so that the windowing
+            // artificially reduce the initial window size so that the windowing
             // system has a size to go back to when toggling off full screen,
             // we don't have to worry about the window being initially smaller as the
             // setWindowDecoration(..) implementation with enable full screen for us

src/osgViewer/Viewer.cpp

@@ -64,7 +64,7 @@ Viewer::Viewer(osg::ArgumentParser& arguments)
 
     arguments.getApplicationUsage()->addCommandLineOption("--run-on-demand","Set the run methods frame rate management to only rendering frames when required.");
     arguments.getApplicationUsage()->addCommandLineOption("--run-continuous","Set the run methods frame rate management to rendering frames continuously.");
-    arguments.getApplicationUsage()->addCommandLineOption("--run-max-frame-rate","Set the run methods maximum permissable frame rate, 0.0 is default and switching off frame rate capping.");
+    arguments.getApplicationUsage()->addCommandLineOption("--run-max-frame-rate","Set the run methods maximum permissible frame rate, 0.0 is default and switching off frame rate capping.");
     arguments.getApplicationUsage()->addCommandLineOption("--enable-object-cache","Enable caching of objects, images, etc.");
 
     // FIXME: Uncomment these lines when the options have been documented properly
@@ -862,10 +862,6 @@ void Viewer::reprojectPointerData(osgGA::GUIEventAdapter& source_event, osgGA::G
     }
 }
 
-void generateOrReprojectPointerData(osgGA::GUIEventAdapter& source_event, osgGA::GUIEventAdapter& dest_event)
-{
-}
-
 void Viewer::eventTraversal()
 {
     if (_done) return;