Changes for 2.8
There are many new features with GISToolkit Editor
Speed improvements - The basic
geographic objects used within the GISToolkit have been rearchitected
for speed, and for large datasets using large objects, this has
resulted in a large speed improvement. Also, some concurrency
issues have been identified and resolved with reprojections, and
Imagery - There are several new
imagery layers that can display georeferenced tiffs, and jpegs.
- Speed improvements - many of the imagery layers have been
- Terraserver has moved to a new url terraserver-usa.com
- Raster Catalog Layer - layer that can be used to created tiled
imagery for quick display at mulitple resolutions. The Raster
Catalog Creator (available from the tools menu) will create a raster
catalog from a directory of georeferenced jpegs. The image
chopper will reduce the size of large images (is more efficient to run
this, then the creator if your images are large).
- ERMapper Datasource - This is a wavelet transformed image
datasource available only under the Microsoft Windows platform.
It does however allow rapid display of compressed files, and efficient
display of compressed datasets over the internet.
With version 4.1 the MySQL database has added support for
geographic objects within the database. The release is still in
alpha at this state, but I have found it usefull and convenient to
use. My congratulation to the MySQL team for their support of
open standards, and their intuative integration of those into their
Additionally, numerious minor bugs have been fixed since 2.5
Numerious additional bugs have (no doubt) been introduced.