Here are the classes, structs, unions and interfaces with brief descriptions:
[detail level 123]
 Qwt3D | Portability classes providing transparent Qt3/4 support |
  qwt3d_ptr | Simple Auto pointer providing deep copies for raw pointer |
  AutoScaler | ABC for autoscaler |
  LinearAutoScaler | Automatic beautifying of linear scales |
  Axis | Autoscalable axis with caption |
  Color | Abstract base class for color functors |
  StandardColor | Standard color model for Plot3D - implements the data driven operator()(double x, double y, double z) |
  ColorLegend | A flat color legend |
  CoordinateSystem | A coordinate system with different styles (BOX, FRAME) |
  Drawable | ABC for Drawables |
  Enrichment | Abstract base class for data dependent visible user objects |
  VertexEnrichment | Abstract base class for vertex dependent visible user objects |
  CrossHair | The Cross Hair Style |
  Dot | The Point Style |
  Cone | The Cone Style |
  Arrow | 3D vector field |
  Function | Abstract base class for mathematical functions |
  GraphPlot | TODO |
  GridMapping | Abstract base class for mappings acting on rectangular grids |
  IO | |
   Functor | |
  PixmapWriter | Provides Qt's Pixmap output facilities |
  VectorWriter | Provides EPS, PS, PDF and TeX output |
  NativeReader | |
  Label | A Qt string or an output device dependent string |
  Mapping | Abstract base class for general mappings |
  MultiPlot | TODO |
  ParametricSurface | Abstract base class for parametric surfaces |
  Plot3D | Base class for all plotting widgets |
  MouseState | This class creates a (mouse-button,modifier) pair (ordinary typedef for int if Qt3 is used) |
  KeyboardState | This class creates a (key-button,modifier) pair (ordinary typedef for int if Qt3 is used) |
  Scale | |
  LinearScale | The standard (1:1) mapping class for axis numbering |
  LogScale | Log10 scale |
  SurfacePlot | A class representing Surfaces |
  Tuple | Tuple [x,y] |
  Triple | Triple [x,y,z] |
  ParallelEpiped | Parallelepiped spanned by 2 Triples |
  FreeVector | Free vector |
  RGBA | Red-Green-Blue-Alpha value |
  VolumePlot | TODO |