VISION WORKBENCH 2.0 BETA 1 RELEASE NOTES

This is only a partial list of the most significant changes since the
2.0alpha4 release.  In addition to these changes, many many bugs were
fixed and many smaller changes were made and new features added.

BUILD SYSTEM
* Almost completely rewritten to fix many bugs, though conceptually  
  very similar.

CORE
* Added a powerful new logging and debugging system.
* Support for run-time control over settings via a dotfile (~/.vwrc).
* Changed behavior of Thread so threads can be detached.

IMAGE
* Added BlockProcessor and BlockRasterizeView for working with huge  
  images.
* Factored block cacheing out of ImageResourceView into  
  BlockRasterizeView.
* Added a PixelMask pixel type wrapper to handle valid data masks.
* Rewrote statistics code to be more easily customizable and less  
  finicky.
* Lots of optimizations to the image transformation/warping code.

FILEIO
* Added support for non-rescaling file IO operations (see  
  DiskImageResource::set_default_rescale(bool)).
* Add DiskCacheImageView for cacheing of large intermediate images on  
  disk.
* Rely on GDAL more heavily by default if it's installed.

MATH
* Added more LAPACK function wrappers and optimization algorithms.

CAMERA MODULE
* Pinhole camera model estimation code.
* Support "control networks" of 3d points used for determining camera  
  poses.
* Support "bundle adjustment", joint optimization of a control network  
  and camera poses.

CARTOGRAPHY MODULE
* Changed the default mode from pixel-as-point to pixel-as-area.
* Support for more projections and better support for custom datums.

MOSAIC MOULE
* Complete refactoring of QuadTreeGenerator to make it easier to  
  customize
* Magical support for better KML overlays near the poles in Google  
  Earth.
* Provisional support for building Uniview overlays.

INTERESTPOINT MODULE
* Many performance improvements, including KD-tree matching code.

STEREO
* Many scalability improvements for operating on large images.
* Added new sub-pixel correlators using affine-adaptive windows.