restructure step-49 headers

git-svn-id: https://svn.dealii.org/trunk@28386 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/examples/step-49/doc/intro.dox b/deal.II/examples/step-49/doc/intro.dox
index dec7b95b0d3cd9ae89f03fd222a19fea0e4fc439..ae625fb7e1cea733bea2befcd7db77e2283fc8fe 100644 (file)
--- a/deal.II/examples/step-49/doc/intro.dox
+++ b/deal.II/examples/step-49/doc/intro.dox
@@ -1,6 +1,7 @@
 <i>This program was made by Timo Heister.</i>
 
-<h1> About this tutorial </h3>
+<a name="Intro"></a>
+<h1> Introduction </h1>
 
 This tutorial is an extension to step-1 and demonstrates several ways to
 obtain more involved meshes.
@@ -14,7 +15,7 @@ computations and outputs them as .eps files. No other computations or adaptive
 refinements are done. Please note that the example program does not show all
 the ways to generate meshes that are discussed in this text.
 
-<h1>General concerns about meshes</h1>
+<h3>General concerns about meshes</h3>
 
 When you use adaptive mesh refinement, you definitely want the initial mesh to
 be as coarse as possible. The reason is that you can make it as fine as you
@@ -27,12 +28,12 @@ in the initial mesh.
 
 That said, your mesh needs to capture the given geometry adequately.
 
-<h1>How to create meshes</h1>
+<h3>How to create meshes</h3>
 
 There are several ways to create an initial mesh. Meshes can be modified or
 combined in many ways as discussed later on.
 
-<h2>GridGenerator</h2>
+<h4>GridGenerator</h4>
 
 The easiest way to generate meshes is to use the GridGenerator, which is
 already discussed in step-1.  There are many different helper functions
@@ -40,7 +41,7 @@ available, including GridGenerator::hyper_cube(),
 GridGenerator::hyper_shell(), GridGenerator::hyper_ball(),
 GridGenerator::hyper_cube_with_cylindrical_hole(), ...
 
-<h2>Construct your own mesh programmatically</h2>
+<h4>Construct your own mesh programmatically</h4>
 
 If the is no good fit in the GridGenerator class, you can always create a
 Triangulation in your program "by hand". For that, you need a list of vertices
@@ -52,7 +53,7 @@ all the functions in GridGenerator are implemented in this fashion.
 you end up writing a function that might be useful for a larger audience,
 please contribute it.
 
-<h2>Import from external programs</h2>
+<h4>Import from external programs</h4>
 
 The class GridIn can read many different mesh formats from a file from
 disk. How this is done is explained in step-5 and can be seen in the function
@@ -104,7 +105,7 @@ this is the mesh read from the .msh file and saved again by deal.II as an image
 @image html step-49.grid-1.png
 
 
-<h1>Modify a Mesh</h1>
+<h3>Modify a Mesh</h3>
 
 modify a mesh:
   - merge meshes
@@ -121,7 +122,7 @@ other things to mention:
 GridTools::rotate
  GridTools::scale
 
-<h2>Merge Meshes</h2>
+<h4>Merge Meshes</h4>
 
 use GridGenerator::merge_triangulations()
 
@@ -132,7 +133,7 @@ example:
 @image html step-49.grid-2.png
 
 
-<h2>Move Vertices</h2>
+<h4>Move Vertices</h4>
 
 move individual vertices, first identify cells/vertices