| Mercator::AdjustTerrainMod< Shape > | Terrain modifier that defines an area of adjusted height |
| Mercator::Area | Region of terrain surface which is modified |
| Mercator::AreaShader | Shader for handling areas |
| Mercator::BandShader | Surface shader that defines the surface between two levels |
| Mercator::BasePoint | Point on the fundamental grid that is used as the basis for terrain |
| Mercator::BottomClip | Helper to clip points to a given range |
| Mercator::Buffer< DataType > | Template for managing buffers of data for a segment |
| Mercator::CraterTerrainMod | Terrain modifier that defines a crater |
| Mercator::DepthShader | Shader to give the appearance of deep murky water |
| Mercator::Edge | The edge of an area |
| Mercator::EdgeAtY | The edge of an area parallel to the x axis |
| Mercator::FillShader | Shader that fills the surface |
| Mercator::Forest | This is the core class for any area to be populated with vegetation |
| Mercator::GrassShader | Shader for adding grass to the terrain |
| Mercator::HighShader | Surface shader that defines the surface above a given level |
| Mercator::iShaderFactory | Interface for shader factory objects |
| Mercator::LeftClip | Helper to clip points to a given range |
| Mercator::LevelTerrainMod< Shape > | Terrain modifier that defines an area of fixed height |
| Mercator::LinInterp | Helper to interpolate on a line |
| Mercator::LowShader | Surface shader that defines the surface below a given level |
| Mercator::Matrix< COLS, ROWS, FloatType > | A fixed sized array of objects |
| Mercator::Plant | This is the simple class for representing instances of vegetation |
| Mercator::QuadInterp | Helper to interpolate in a quad |
| RandCache | A cache of random values |
| RandCache::Ordering | Interface to define the ordering of the random number cache |
| Mercator::RightClip | Helper to clip points to a given range |
| Mercator::Segment | Class storing heightfield and other data for a single fixed size square area of terrain defined by four adjacent BasePoint objects |
| Mercator::Shader | Base class for Shader objects which create surface data for use when rendering terrain |
| Mercator::ShaderFactories | Class which manages all the shader factories available |
| Mercator::ShaderFactory< T > | Factory template used to create ordinary shader objects |
| Mercator::ShapeTerrainMod< Shape > | Terrain modifier which is defined by a shape variable |
| Mercator::SlopeTerrainMod< Shape > | Terrain modifier that defines an area of sloped height |
| Mercator::Species | Data about a species of plant in a Forest |
| Mercator::SpeciesParameter | A set of constraints on a plant parameter |
| SpiralOrdering | A spiral around x,y |
| Mercator::Surface | Data store for terrain surface data |
| Mercator::Terrain | Class storing centrally all data about an instance of some terrain |
| Mercator::TerrainMod | Base class for modifiers to the procedurally generated terrain |
| Mercator::TileShader | Shader agregating surface data |
| Mercator::TopClip | Helper to clip points to a given range |
| ZeroSpiralOrdering | A spiral around 0,0 |
1.5.6