Q3C / News: Recent posts

The new version of Q3C (1.4.8) is released. The only change in the code is the support of Postgresql 8.4

The new version of Q3C-1.4.7 was released. This release implements the support of concave polygons in polygonal queries

Q3C-1.4.6 is a bug fix for non-GNU platforms, such as BSDs.

The new version of Q3C, Q3C-1.4.5 is released. This is purely bug fix release, and a significant bug in cone/ellipse-searches was fixed. Upgrade is strongly recommended.

Q3C means QuadTree Cube.This is the plugin for PostgreSQL to work with large astronomical catalogues (or just the catalogues of objects on the sphere). It allows you to do easily the cone searches, polygonal searches on the sphere and fast cross-matches.

Now Q3C-1.4.1 is working with Postgresql 8.3. Older versions are still supported too.

The new release Q3C-1.4.0 is provided.
In this release the ellipse searches were implemented

Q3C was updated to be used together with PostgreSQL 8.2.
The large queries (as large as 20-30-40 degrees) should work correctly
Several bugs were fixed

Minor release, fixing the significant bug in conesearch queries (not allowing to use bitmap scan when the columns have the real type).

The small bug in the regression tests was fixed.

The new version of Q3C have been released. This is mainly a bug fixing release, it fixes a couple of longstanding, but hart to hit bugs in the code and also provide some small regression tests.

The final release of Q3C-1.2 with elliptical cross-matches, and polygonal searches on the sky and better installation scheme

Some issues with installation on different platforms have been fixed, readme improved.

The positional cross-matches with elliptical regions are implemented.
Also the Installation procedure is significantly improved.
The README is also improved.

In new version of Q3C the polygonal queries are enabled.

I finally released the Q3C-1.0
Now I think Q3C is ready for usage. I finally have frozen the internal interfaces of Q3C, tested it a lot and updated the documentation.