Removed redundant brackets in documentation.

documentation/tutorial1.rst

@@ -72,9 +72,9 @@ Note that this function is part of the basic OpenGL example (rather than being p
 	
 This function takes as input the :polyvox:`Volume` in which we want to create the sphere, and also a radius specifying how large we want the sphere to be. In our case we have specified a radius of 30 voxels, which will fit nicely inside our :polyvox:`Volume` of dimensions 64x64x64.
 
-Because this is a simple example function it always places the sphere at the center of the volume. It computes this centre by halving the dimensions of the volume as given by the functions :polyvox:`Volume::getWidth()`, :polyvox:`Volume::getHeight()` and :polyvox:`Volume::getDepth()`. The resulting position is stored using a :polyvox:`Vector3DFloat`. This simply a typedef from our templatised :polyvox:`Vector` class, meaning that other sizes and storage types are available if you need them. 
+Because this is a simple example function it always places the sphere at the center of the volume. It computes this centre by halving the dimensions of the volume as given by the functions :polyvox:`Volume::getWidth`, :polyvox:`Volume::getHeight` and :polyvox:`Volume::getDepth`. The resulting position is stored using a :polyvox:`Vector3DFloat`. This simply a typedef from our templatised :polyvox:`Vector` class, meaning that other sizes and storage types are available if you need them. 
 
-Next, the function uses a three-level 'for' loop to iterate over each voxel in the volume. For each voxel it computes the distance from the voxel to the centre of the volume. If this distance is less than or equal to the specified radius then the voxel form part of the sphere and is made solid. During surface extraction, the voxel will be considered solid if it's density is set to any value greater than its threshold, which can be obtained by calling :polyvox:`MaterialDensityPair44::getThreshold()`. In our case we simply set it to the largest possible value by calling :polyvox:`MaterialDensityPair44::getMaxDensity()`.
+Next, the function uses a three-level 'for' loop to iterate over each voxel in the volume. For each voxel it computes the distance from the voxel to the centre of the volume. If this distance is less than or equal to the specified radius then the voxel form part of the sphere and is made solid. During surface extraction, the voxel will be considered solid if it's density is set to any value greater than its threshold, which can be obtained by calling :polyvox:`MaterialDensityPair44::getThreshold`. In our case we simply set it to the largest possible value by calling :polyvox:`MaterialDensityPair44::getMaxDensity`.
 
 Extracting the surface
 ======================
@@ -85,9 +85,9 @@ Now that we have built our volume we need to convert it into a triangle mesh for
 	SurfaceMesh mesh;
 	SurfaceExtractor<MaterialDensityPair44> surfaceExtractor(&volData, volData.getEnclosingRegion(), &mesh);
 	
-The :polyvox:`SurfaceExtractor` takes a pointer to the volume data, and also it needs to be told which :polyvox:`Region` of the volume the extraction should be performed on (in more advanced application this is useful for extracting only those parts of the volume which have been modified since the last extraction). For our purposes the :polyvox:`Volume` class provides a convienient :polyvox:`Volume::getEnclosingRegion()` function which returns a :polyvox:`Region` representing the whole volume. The constructor also takes a pointer to a :polyvox:`SurfaceMesh` object whiere it will store the result, so we need to create one of these before we can construct the :polyvox:`SurfaceExtractor`.
+The :polyvox:`SurfaceExtractor` takes a pointer to the volume data, and also it needs to be told which :polyvox:`Region` of the volume the extraction should be performed on (in more advanced application this is useful for extracting only those parts of the volume which have been modified since the last extraction). For our purposes the :polyvox:`Volume` class provides a convienient :polyvox:`Volume::getEnclosingRegion` function which returns a :polyvox:`Region` representing the whole volume. The constructor also takes a pointer to a :polyvox:`SurfaceMesh` object whiere it will store the result, so we need to create one of these before we can construct the :polyvox:`SurfaceExtractor`.
 
-The actual extraction happens in the :polyvox:`SurfaceExtractor::execute()` function. This means you can set up a :polyvox:`SurfaceExtractor` with the required parameters and then actually execute it later (on a different thread, perhaps). For this example we just call it straight away.
+The actual extraction happens in the :polyvox:`SurfaceExtractor::execute` function. This means you can set up a :polyvox:`SurfaceExtractor` with the required parameters and then actually execute it later (on a different thread, perhaps). For this example we just call it straight away.
 
 .. code-block:: c++
 
@@ -125,7 +125,7 @@ The OpenGLWidget::setSurfaceMeshToRender() function is impemented as follows:
 		m_uEndIndex = vecIndices.size();
 	}
 	
-We begin by obtaining direct access to the index and vertex buffer in the :polyvox:`SurfaceMesh` class in order to make the following code slightly cleaner. Both the :polyvox:`SurfaceMesh::getIndices()` and :polyvox:`SurfaceMesh::getVertices()` functions return an std::vector containing the relevant data.
+We begin by obtaining direct access to the index and vertex buffer in the :polyvox:`SurfaceMesh` class in order to make the following code slightly cleaner. Both the :polyvox:`SurfaceMesh::getIndices` and :polyvox:`SurfaceMesh::getVertices` functions return an std::vector containing the relevant data.
 
 The OpenGL functions which are called to construct the index and vertex buffer are best explained by the OpenGL documentation. In both cases we are making an exact copy of the data stored in the :polyvox:`SurfaceMesh`.