postgis/NEWS

PostGIS 1.5.0

  - Add Hausdorff distance calculations (#209) (Vincent Picavet)
  - Add parameters argument to ST_Buffer operation (Sandro Santilli)


PostGIS 1.4.0
2009/06/XX

 - API Stability
   - As of the 1.4 release series, the public API of PostGIS will not
	 change during minor releases.

 - Compatibility
   - The versions below are the *minimum* requirements for PostGIS 1.4
   - PostgreSQL 8.2 and higher on all platforms
   - GEOS 3.0 and higher only
   - PROJ4 4.5 and higher only

 - New Features
   - ST_Union() uses high-speed cascaded union when compiled against
	 GEOS 3.1+ (Paul Ramsey)
   - ST_ContainsProperly() requires GEOS 3.1+
   - ST_Intersects(), ST_Contains(), ST_Within() use high-speed cached
	 prepared geometry against GEOS 3.1+ (Paul Ramsey)
   - Vastly improved documentation and reference manual
	 (Regina Obe & Kevin Neufeld)
   - Figures and diagram examples in the reference manual (Kevin Neufeld)
   - ST_IsValidReason() returns readable explanations for validity
	 failures (Paul Ramsey)
   - ST_GeoHash() returns a geohash.org signature for geometries
	 (Paul Ramsey)
   - GTK+ multi-platform GUI for shape file loading (Paul Ramsey)
   - ST_LineCrossingDirection() returns crossing directions (Paul Ramsey)
   - ST_LocateBetweenElevations() returns sub-string based on Z-ordinate.
	 (Paul Ramsey)
   - Geometry parser returns explicit error message about location of
	 syntax errors (Mark Cave-Ayland)
   - ST_AsGeoJSON() return JSON formatted geometry (Olivier Courtin)
   - Populate_Geometry_Columns() -- automatically add records to
	 geometry_columns for TABLES and VIEWS (Kevin Neufeld)
   -- ST_MinimumBoundingCircle() -- returns the smallest circle 
   	 polygon that can encompass a geometry (Bruce Rindahl)

 - Enhancements
   - Core geometry system moved into independent library, liblwgeom.
	 (Mark Cave-Ayland)
   - New build system uses PostgreSQL "pgxs" build bootstrapper.
	 (Mark Cave-Ayland)
   - Debugging framework formalized and simplified. (Mark Cave-Ayland)
   - All build-time #defines generated at configure time and placed in
	 headers for easier cross-platform support (Mark Cave-Ayland)
   - Logging framework formalized and simplified (Mark Cave-Ayland)
   - Expanded and more stable support for CIRCULARSTRING,
	 COMPOUNDCURVE and CURVEPOLYGON, better parsing, wider support
	 in functions (Mark Leslie & Mark Cave-Ayland)
   - Improved support for OpenSolaris builds (Paul Ramsey)
   - Improved support for MSVC builds (Mateusz Loskot)
   - Updated KML support (Olivier Courtin)
   - Unit testing framework for liblwgeom (Paul Ramsey)
   - New testing framework to comprehensively exercise every PostGIS
	 function (Regine Obe)
   - Performance improvements to all geometry aggregate functions
	 (Paul Ramsey)
   - Support for the upcoming PostgreSQL 8.4 (Mark Cave-Ayland, Talha Bin
	 Rizwan)
   - Shp2pgsql and pgsql2shp re-worked to depend on the common
	 parsing/unparsing code in liblwgeom (Mark Cave-Ayland)
   - Use of PDF DbLatex to build PDF docs and preliminary instructions for build  (Jean David Techer)
   - Automated User documentation build (PDF and HTML) and Developer Doxygen Documentation (Kevin Neufeld)
   - Automated build of document images using ImageMagick from WKT geometry text files (Kevin Neufeld)
   - More attractive CSS for HTML documentation (Dane Springmeyer)
 - Bug fixes
   - http://trac.osgeo.org/postgis/query?status=closed&milestone=postgis+1.4.0&order=priority

PostGIS 1.3.6
2009/05/04
  - Enhancement - PostgreSQL 8.4 compile support (Talha Rizwan, Mark Cave-Ayland)
  - Fix Big fixes for CURVE handling in many functions
	(Mark Cave-Ayland, Mark Leslie)
  - Enhancement Trac#34 - pgsql2shp now creates .prj files where applicable (Regina Obe)
  - Fix Trac#88 -  Windows Vista pgsql2shp memory bug (Regina Obe)
  - Fix Trac#146 - for distance calculation on collections (Nicklas Aven, Paul Ramsey)
  - Fix Trac#116 - crashers for rare EWKB cases (Paul Ramsey)
  - Fix to address an SRID of -1 in probe_geometry_columns (Kevin Neufeld)
  - Fix Trac#99 shp2pgsql logical error when importing DBF-only (Regina Obe)
  - Fix Trac#105 pgsql2shp dbase file creation (EOF marker issue) (Paul Ramsey)
  - Fix updated AddGeometryColumn to throw an error if then specified schema does not exist,
	rather than throwing a notice and then an error. (Kevin Neufeld)
  - Fix - Documentation corrections for better handling with PDF DbLatex (Kevin Neufeld)


PostGIS 1.3.5
2008/12/15

 - A quick bug fix release, to remove crashes in cases of
   collecting LINESTRING (ST_Force_Collection(), ST_Multi())
   that had a large affect on Mapserver with LINE layers.
 - Enhancements and Bug Fixes
   - GBT#21: improve LRS fix to apply to more platforms
   - GBT#72: fix st_estimated_extent for better schema sensitivity
   - GBT#80: segfault on st_multi in MULTILINESTRING repaired
   - GBT#83: segfault on collecting LINESTRING repaired


PostGIS 1.3.4
2008/11/24

 - New Features
   - Add new ST_AsGeoJSON() function to allow conversion of
	 geometries to GeoJSON format within the database. (Olivier Courtin)
   - Add forthcoming PostgreSQL 8.4 support
	 (Paul Ramsey, Mark Cave-Ayland)
   - Improved CSS for PostGIS documentation (Dane Springmeyer)
   - Inclusion of new "postgis_comments.sql" file to enable detailed
	 function comments to be installed for PostGIS functions. This
	 attaches a description and associated parameter information
	 to each function so that this information is available directly
	 within psql/pgAdmin (Regina Obe)
 - Enhancements and Bug Fixes
   - General documentation improvements (Regina Obe, Kevin Neufield)
   - Improve PiP code by removing substantial memory leaks and adding
	 multi-polygon support (Paul Ramsey)
   - Improve GiST consistent performance (Paul Ramsey)
   - GBT#20: Improved algorithm for ST_DWithin (Paul Ramsey)
   - GBT#21: locate_along_measure: wrong values, invalid data
	 (Mark Cave-Ayland)
   - GBT#23: wrong proj4text in spatial_ref_sys for SRID 31300 and 31370
	 (Paul Ramsey)
   - GBT#43: Heap over-read in compute_geometry_stats() (Landon Fuller)
   - GBT#44: ST_Relate(geom,geom,pattern) is case sensitive (Paul Ramsey)
   - GBT#45: bug in postgis_restore.pl - not passing options to createdb
	 (Paul Ramsey)
   - GBT#58: bounding box of circular string is incorrect (Mark Leslie)
   - GBT#65: ST_AsGML kills the backend when fed a CIRCULAR STRING
	 (Mark Cave-Ayland)
   - GBT#66: ST_Dump kills backend when fed CIRCULAR STRING
	 (Mark Cave-Ayland)
   - GBT#68: ST_Shift_Longitude doesn't work with MULTIPOINT
	 (Mark Cave-Ayland)
   - GBT#69: ST_Translate crashes when fed circular string
	 (Mark Cave-Ayland)
   - GBT#70: ST_NPoints Crashes with Curves (Mark Cave-Ayland)

PostGIS 1.3.3
2008/04/12
 - shp2pgsql, pgsql2shp improvements
   - regression tests on Windows
   - OS/X 10.5 compatibility
   - DBF-only loading flag (-n)
   - fix to Date DBF output
 - ST_SimplifyPreserveTopology(geometry, float8)
   Allows simplification of polygons without creating
   invalid geometries.
 - Fix to |>> and <<| operators
 - Build system more sensitive to GEOS version number
 - KML support updates (from Eduin Carrillo)
 - SVG support updates (from Marco Hugentobler)

PostGIS 1.3.2
2007/12/01
 - Improvements in the TIGER geocoder
 - Fix to ST_EndPoint() crasher bug
 - Modified ST_AsGML() improving v2 and adding v3 support
 - Fix to ensure ST_Envelope() returns valid geometries
 - Change JDBC build to use Ant
 - Fix for better OS/X support
 - Fix to WKB parser to do simple validity checks

PostGIS 1.3.1
2007/08/13
 - Fixed documentation bugs and release number errors
   in previous cut

PostGIS 1.3.0
2007/08/09
 - Began migration of functions to the SQL-MM-centric naming convension
   using the spatial type (SP) prefix
 - Performance enhancements:
   - Created cached and indexed point-in-polygon short-circuits
	 for the functions ST_Contains, ST_Intersects, ST_Within
	 ST_Disjoint.
   - Added inline index support for relational functions
	 (except disjoint)
 - Added ST_Covers, ST_CoveredBy and ST_DWithin relational functions
 - Extended curved geometry support to geometry accessor functions and
   some geometry processing functions
 - JDBC: Added Hibernate Dialect from Norman Barker
 - Enhanced regression tests for curved geometries and kml functions

PostGIS 1.2.1
2007/01/11
 - Fix point-in-polygon shortcut bug in Within()
 - Fix PgSQL 8.2 null handling for indexes
 - Update RPM spec files
 - Add AsKML() function
 - Add short-circuit for transform() in no-op case
 - JDBC: - Fixed JTS handling for multi-dimensional geometries
	 (thanks to Thomas Marti for hint and partial patch)
   - Additionally, now JavaDoc is compiled and packaged
   - Fixed classpath problems with GCJ
   - Fixed pgjdbc 8.2 compatibility, losing support for
	 jdk 1.3 and older.

PostGIS 1.2.0
2006/12/08
 - Added curved geometry type support for serialization/deserialization.
 - Added point-in-polygon shortcircuit to Contains and Within functions.
 - JDBC: Added awt.shape implementation for JTS geometries
 - EJB3: Fixed NullPointer bug, thanks to Norman Barker

PostGIS 1.1.6
2006/11/02

 - fixed CAPI change that broke 64-bit platforms
 - use Z ordinate in reprojections
 - spatial_ref_sys.sql updated to EPSG 6.11.1
 - Simplified Version.config infrastructure to use a single
   pack of version variables for everything.
 - Include the Version.config in loader/dumper USAGE messages
 - Replace hand-made, fragile JDBC version parser with Properties
 - Fixed setSRID() bug in JDBC, thanks to Thomas Marti
 - loader/dumper: fixed regression tests and usage output


PostGIS 1.1.5
2006/10/13
 - Java:
   - Removed obsolete synchronization from Jts code.
   - fixed nullpointer Exception in Geometry.equals() method
	- Added EJB3Spatial.odt to fulfill the GPL requirement of
   distributing the "preferred form of modification"
 - Added -S option for non-multi geometries to shp2pgsql
 - Updated heavily outdated README files for shp2pgsql/pgsql2shp by
   merging them with the manpages.
 - Fixed MingW link error that was causing pgsql2shp to
   segfault on Win32 when compiled for PostgreSQL 8.2

PostGIS 1.1.4
2006/09/27
 - Fixed support for PostgreSQL 8.2
 - Fixed bug in collect() function discarding SRID of
   input
 - Added SRID match check in MakeBox2d and MakeBox3d
 - Fixed regress tests to pass with GEOS-3.0.0
 - Improved pgsql2shp run concurrency.
 - Java:
  - reworked JTS support to reflect new upstream
	JTS developers' attitude to SRID handling.
	Simplifies code and drops build depend on GNU trove.
  - Added EJB2 support generously donated by the
	"Geodetix s.r.l. Company" http://www.geodetix.it/
  - Added EJB3 tutorial / examples donated by
	Norman Barker <nbarker@ittvis.com>
  - Reorganized java directory layout a little.

PostGIS 1.1.3
2006/06/30

 - NEW Long Transactions support.
 - Can run the regress tests with 'make check' now.
 - New regress test support for loader/dumper.
 - BUGFIX in pgsql2shp successful return code.
 - BUGFIX in shp2pgsql handling of MultiLine WKT.
 - BUGFIX in affine() failing to update bounding box.
 - WKT parser: forbidden construction of multigeometries with
   EMPTY elements (still supported for GEOMETRYCOLLECTION).
 - Added --with-proj-libdir and --with-geos-libdir configure
   switches.
 - JDBC:
   - Improved regression tests: MultiPoint and scientific ordinates
   - Fixed some minor bugs in jdbc code
   - Added proper accessor functions for all fields in preparation of
	 making those fields private later
 - Support for build Tru64 build.
 - Use Jade for generating documentation.
 - NEW DumpRings() function.
 - BUGFIX in distance(poly,poly) giving wrong results.
 - NEW AsHEXEWKB(geom, XDR|NDR) function.
 - Don't link pgsql2shp to more libs then required.
 - Initial support for PostgreSQL 8.2.

PostGIS 1.1.2
2006/03/30

 - Regress tests can now be run *before* postgis intallation
 - BUGFIX in SnapToGrid() computation of output bounding box
 - More portable ./configure script
 - Changed ./run_test script to have more sane default behaviour
 - Fixed support for 64bit archs
 - jdbc2 SRID handling fixes in JTS code
 - New affine() matrix transformation functions
 - New rotate{,X,Y,Z}() function
 - Old translating and scaling functions now use affine() internally
 - BUGFIX in EnforceRHR()
 - Embedded access control in estimated_extent() for builds against
   pgsql >= 8.0.0

PostGIS 1.1.1
2006/01/23

 - Source code cleanups
 - Solaris 2.7 and MingW support improvements
 - added NumInteriorRing() alias due to OpenGIS ambiguity
 - BUGFIX in geometrycollection handling of GEOS-CAPI connector
 - BUGFIX in line_locate_point()
 - Fixed handling of postgresql paths
 - Fixed a premature exit in postgis_restore.pl
 - BUGFIX in line_substring()
 - New Z and M interpolation in line_substring()
 - New Z and M interpolation in line_interpolate_point()
 - Added support for localized cluster in regress tester

PostGIS 1.1.0
2005/12/21

 - New functions:
   - scale() and transscale() companion methods to translate()
   - line_substring()
   - line_locate_point()
   - M(point)
   - LineMerge(geometry)
   - shift_longitude(geometry)
   - azimuth(geometry)
   - locate_along_measure(geometry, float8)
   - locate_between_measures(geometry, float8, float8)
   - SnapToGrid by point offset (up to 4d support)
   - BuildArea(any_geometry)
   - OGC BdPolyFromText(linestring_wkt, srid)
   - OGC BdMPolyFromText(linestring_wkt, srid)
   - RemovePoint(linestring, offset)
   - ReplacePoint(linestring, offset, point)

 - Bug fixes:
   - Fixed memory leak in polygonize()
   - Fixed bug in lwgeom_as_anytype cast funcions
   - Fixed USE_GEOS, USE_PROJ and USE_STATS elements
	 of postgis_version() output to always reflect
	 library state.

 - Function semantic changes:
   - SnapToGrid doesn't discard higher dimensions
   - Changed Z() function to return NULL if requested
	 dimension is not available

 - Peformance improvements:
   - Much faster transform() function, caching proj4 objects
   - Removed automatic call to fix_geometry_columns() in
	 AddGeometryColumns() and update_geometry_stats()

 - jdbc2 works:
   - Makefile improvements
   - JTS support improvements
   - Improved regression test system
   - Basic consistency check method for geometry collections
   - Support for (Hex)(E)wkb
   - Autoprobing DriverWrapper for HexWKB / EWKT switching
   - fix compile problems in ValueSetter for ancient jdk releases.
   - fix EWKT constructors to accept SRID=4711; representation
   - added preliminary read-only support for java2d geometries

 - Other new things:
   - Full autoconf-based configuration, with
	 PostgreSQL source dependency relief
   - GEOS C-API support (2.2.0 and higher)
   - Initial support for topology modelling
   - Debian and RPM specfiles
   - New lwpostgis_upgrade.sql script

 - Other changes:
   - JTS support improvements
   - Stricter mapping between DBF and SQL integer and
	 string attributes
   - Wider and cleaner regression test suite
   - old jdbc code removed from release
   - obsoleted direct use of postgis_proc_upgrade.pl
   - scripts version unified with release version

PostGIS 1.0.6
2005/12/06
 - Fixed palloc(0) call in collection deserializer (only gives
   problem with --enable-cassert)
 - Fixed bbox cache handling bugs
 - Fixed geom_accum(NULL, NULL) segfault
 - Initial support for postgresql 8.2
 - Fixed segfault in addPoint()
 - Fixed short-allocation in lwcollection_clone()
 - Fixed bug in segmentize()
 - Added missing SRID mismatch checks in GEOS ops
 - Fixed bbox computation of SnapToGrid output

PostGIS 1.0.5
2005/11/25
 - New "Reporting Bugs" chapter in manual
 - Segfault fix in shp2pgsql (utf8 encoding)
 - Fixed computation of null values fraction in analyzer
 - Fixed return code of shp2pgsql
 - Fixed handling of trailing dots in dbf numerical attributes
 - Schema aware postgis_proc_upgrade.pl, support for pgsql 7.2+
 - Fixed a small bug in the getPoint4d_p() low-level function
 - Fixed memory alignment problems
 - Speedup of serializer functions
 - Bug fix in force_4d, force_3dm and force_3dz functions

PostGIS 1.0.4
2005/09/09
 - Memory leak plugged in GiST indexing
 - Segfault fix in transform() handling of proj4 errors
 - Fixed some proj4 texts in spatial_ref_sys (missing +proj)
 - GiST indexing cleanup
 - Loader: fixed string functions usage, reworked NULL objects check,
   fixed segfault on MULTILINESTRING input.
 - Fixed bug in MakeLine dimension handling
 - Looser syntax acceptance in box3d parser
 - Documentation improvements
 - More robust selectivity estimator
 - Minor speedup in distance()
 - Minor cleanups
 - Fixed bug in translate() corrupting output bounding box
 - Initial implementation of postgis_proc_upgrade script

PostGIS 1.0.3
2005/08/08
 - Severe bugfix in lwgeom's 2d bounding box computation
 - Bugfix in WKT (-w) POINT handling in loader
 - Bugfix in dumper on 64bit machines
 - Bugfix in dumper handling of user-defined queries
 - Bugfix in create_undef.pl script
 - Small performance improvement in canonical input function
 - Minor cleanups in loader
 - Support for multibyte field names in loader
 - Improvement in the postgis_restore.pl script
 - New rebuild_bbox_caches.pl util script

PostGIS 1.0.2
2005/07/04
 - Fault tolerant btree ops
 - Memory Leak fix in pg_error
 - Rtree index fix. See:
   http://archives.postgresql.org/pgsql-hackers/2005-06/msg01108.php
   - Initial support for postgresql 8.1dev
 - Cleaner build scripts: avoided mix of CFLAGS and CXXFLAGS
 - NEW -I switch for pgsql2shp (GiST index)

PostGIS 1.0.1
2005/05/24
 - BUGFIX in shp2pgql escape functions
 - BUGFIX in 3d computation of lenght_spheroid
 - better support for concurrent postgis in multiple schemas
 - documentation fixes
 - BUGFIX in join selectivity estimator returning invalid estimates (>1)
 - jdbc2: compile with "-target 1.2 -source 1.2" by default
 - NEW support for custom createdb options in postgis_restore.pl
 - NEW -k switch for pgsql2shp
 - BUGFIX in pgsql2shp attribute names unicity enforcement
 - BUGFIX in Paris projections definitions
 - postgis_restore.pl cleanups

PostGIS 1.0.0
2005/04/19
 - NEW manual pages for loader/dumper
 - NEW shp2pgsql support for old (HWGEOM) postgis versions
 - NEW -p flag for shp2pgsql
 - BUGFIX in transform() releasing random memory address
 - BUGFIX in force_3dm() allocating less memory then required
 - NEW chapter about OGC compliancy enforcement
 - BUGFIX in shp2pgsql escape of values starting with "'" or "\t"
 - NEW autoconf support for JTS lib
 - BUGFIX in estimator testers (support for LWGEOM and schema parsing)
 - BUGFIX in join selectivity estimator (defaults, leaks, tuplecount, sd)

PostGIS 1.0.0RC6
2005/03/30
 - BUGFIX dumper 64bit
 - BUGFIX in multi()
 - BUGFIX in postgis_restore.pl script
 - early return [when noop] from multi()
 - dropped {x,y}{min,max}(box2d) functions

PostGIS 1.0.0RC5
2005/03/25
 - small build scripts refinements
 - BUGFIX in box3d computation (yes, another!)
 - BUGFIX in estimated_extent()
   - additional performance tips documented

PostGIS 1.0.0RC4
2005/03/18
 - early return from force_collection
 - segfault fix in geom_accum()
 - consistency check fix in SnapToGrid()
 - jdbc2: code cleanups, Makefile improvements
 - FLEX & YACC variables set *after* pgsql Makefile.global
   is included and only if the pgsql *stripped* version
   evaulates to the empty string
 - added already generated parser in release
 - build scripts refinements
 - MultiLine handling BUG fix in loader and dumper
 - improved version handling, central Version.config
   - added distance_sphere function
 - subselects support in selectivity estimator
 - bug fixes for 64bit architectures
 - bugfix in loaded, skipping all but first hole of polygons.
 - changed get_proj4_from_srid implementation to use plpgsql
   instead of sql to workaround a pgsql80x bug.
 - box2d output changed back to 15 significant digits
 - BUGFIX in box3d computation function with collections
 - improvements in postgis_restore.pl

PostGIS 1.0.0RC3
2005/02/24
 - transform(): missing SRID bugfix, better error handling
 - jdbc2: small patches, box2d/3d tests, revised docs and license.
 - jdbc2: bug fix and testcase in for pgjdbc 8.0 type autoregistration
 - few changes in autoconf
 - reduced precision of box2d output.
 - some functions made IMMUTABLE from STABLE,
   for performance improvement
 - new performance tips chapter in manual
 - BUILDDATE extraction made more portable
 - fixed bogus 72 index bindings
 - prefixed DEBUG macros with PGIS_ to avoid clash with pgsql one
 - fixes in probe_geometry_columns() to work with PG72 and support
   multiple geometry columns in a single table
 - fixed spatial_ref_sys.sql to avoid vacuuming the whole database.
 - jdbc2: Removed use of jdk1.4 only features to enable build with
   older jdk releases.
 - jdbc2: Added support for building against pg72jdbc2.jar
 - documentation updates: pgsql72 requirement, lwpostgis.sql
 - memory alignment handling
 - fixed bug in force_collection causing mapserver connector
   failures on simple (single) geometry types.
 - jdbc2: updated and cleaned makefile
 - plugged a leak in GEOS2POSTGIS converter
 - jdbc2: added BETA support for jts geometry classes
 - jdbc2: Skip known-to-fail tests against older PostGIS servers.
 - jdbc2: Fixed handling of measured geometries in EWKT.
 - Reduced memory usage by early releasing query-context palloced one.
 - Added bool::text cast in lwpostgis.sql
 - bug fix in GeometryFromText() missing to add a bbox cache.
 - spatial_ref_sys: changed Paris entries to match the ones
   distributed with 0.x.

PostGIS 1.0.0RC2
2005/01/26
 - More correct STABLE, IMMUTABLE, STRICT uses in lwpostgis.sql
 - GEOMETRYCOLLECTION(EMPTY) syntax support for backward compatibility
 - faster and more robust loader (both i18n and not)
 - faster binary outputs
 - bug fix in pointarray box3d computation
 - initial autoconf script
 - bug fix in distance_spheroid definition
 - stricter OGC WKB constructors
 - stricter OGC WKT constructors
 - bug fix in transform() missing to update bbox cache
 - LWGEOM aware JDBC driver (jdbc2)

PostGIS 1.0.0RC1
2005/01/13

- New Things
  - Objects are all now "lightweight" with a smaller disk
	and index representation. Large databases should see a moderate
	to large performance increase.
  - Objects now have a hexidecimal canonical representation.
	To see a "user friendly" version of the objects use the
	AsText() function.
  - The loader and dumper use the hexidecimal canonical representation,
	so coordinate drift due to floating point string parsing is now
	eliminated.
  - New functions: UpdateGeometrySRID(), AsGML(), SnapToGrid(),
	ForceRHR(), estimated_extent(), Accum().
  - Vertical positioning operators.
  - Geometry constructors/editors.
  - Coordinate dimensions handling (up to 4d).
  - API.
  - Join selectivity.
- Bug Fixes
  - Numerous small fixes.

PostGIS 0.9.0
2004/09/10

- New Things
  - GEOMETRY_COLUMNS management functions
  - fix_geometry_columns(), probe_geometry_columns()
  - Support for PgSQL 8.0 / Support for Win32
  - Support for GEOS 2.0
- Bug Fixes
  - Schema support in shp2pgsql/pgsql2shp improved
  - Spatial index estimator improved
  - Build system streamlined


PostGIS 0.8.2
2004/05/27

- New Things
  - PgSQL 7.5 Support
  - Integrated PgSQL 7.5 statistics rathering
  - Improved schema support
  - Optional experimental lightweight geometries (LWGEOM)
  - Faster performance
  - Lower disk usage
  - Multi() function to create MULTI* geometries
  - line_interpolate_point() function for linear referencing
- Bug Fixes
  - Minor memory leaks gone
  - Solaris support cleaner
  - shp2pgsql/pgsql2shp more corner cases fixed


PostGIS 0.8.1
2004/01/12

- New Things
  - Schema support in AddGeometryColumn and loader/dumper
- Bug Fixes
  - Memory fixes
  - GEOS translation fixes


PostGIS 0.8.0
2003/11/24

- New Things
  - Support for PostgreSQL 7.4
  - Support for all OpenGIS SFSQL functions (requires GEOS)
	- Contains()
	- Within()
	- GeomUnion()
	- Intersection()
	- Buffer()
	- and many more...!
  - Includes OpenGIS conformance tests
  - Passes all OpenGIS conformance tests
  - Spatial aggregate functions
	- GeomUnion()
	- Collect()
- Bug Fixes
  - shp2pgsql/pgsql2shp
	 - Numerous special cases in rings and
	   attributes repaired
  - Some OpenGIS conformance changes


PostGIS 0.7.5
2003/04/08

- Bug Fixes
  - shp2pgsql
	- Z coordinate handling
	- M coordinate handling
	- Ring handling fixed in some cases
	- Support for large numbers in attribute tables
  - Some obscure operators fixed
  - Some cygwin build improvements


PostGIS 0.7.4
2003/02/12

- Bug Fixes
  - Several shp2pgsql enhancements and bugs.
  - Cleaner compile, fewer warnings.
  - Better undef support.
  - Fixed stateplane/feet proj definitions.
- New Things
  - Support for PostgreSQL 7.3
  - Optional spatial index selectivity system


PostGIS 0.7.3
2002/09/05

- Bug Fixes
  - Stupid bug in .sql install script breaks install for
	many. Squashed. New release needed.
  - Automatic version detection for appropriate GiST bindings
  - postgis_transform now supports box3d types as well as geometry


PostGIS 0.7.2
2002/09/01

- Bug Fixes
  - Numerous subtle bugs fixed in pgsql2shp and shp2pgsql DBF and
	SHP file handling
  - Some pgsql 7.3 preparations
  - Patch to truly_inside() corner case
  - Updates to the ~ and @ operators
  - Update to translate() function to also translate bbox


PostGIS 0.7.1
2002/05/14

- Bug Fixes
  - PgSQL 7.2 RTree-over-GIST bug fix. Rare data cases
	caused index building to fail.
  - Carriage returns removed from source code. Were
	causing compilation failures.
  - collect() now returns simplest homogeneous type
	being aggregated (e.g.M ULTIPOLYGON for collect(*POLYGON))


PostGIS 0.7.0
2002/05/04

- New Things
  - transform() function provides coordinate reprojection
	using proj4 library
  - spatial_ref_sys.sql has a complete set of proj4
	definitions for each EPSG coordinate system
  - support for PostgreSQL 7.2 GiST index API
  - refactoring of source code to separate index support
	functions from other functions
  - max_distance() function
  - distance_spheroid() function
  - collect() aggregate function
  - xmin(),ymin(),zmin(),xmax(),ymax(),zmax() functions
- Bug Fixes
  - transform() more graceful when grid shifts are missing
  - setsrid() made cachable
  - patches to loader/dumper


PostGIS 0.6.2
2001/11/07

- New Things
  - spatial_ref_sys.sql complete set of SRID and WKT
  - generate postgis_undef.sql automatically at build
- Bug fixes
  - Memory problem in shp2pgsql
  - Compilation problems with shp2pgsql


PostGIS 0.6.1
2001/10/15

- Bug fixes
  - Cygwin compilation fix
  - Improved getopts handling in utility programs
  - Text casting fixes


PostGIS 0.6
2001/09/19

- New functions
  - postgis_version()
	Return the PostGIS version number.
  - find_srid(<db/schema>::varchar, <table>::varchar, <column>::varchar)
	Return the SRID number for a particular column of a database.
  - AddGeometryColumn(<db/schema>::varchar, <table>::varchar,
   <column>::varchar, <srid>::integer, <type>::varchar,
   <dimension>::integer)
	Appends a geometry column to an existing table and updates the
	metadata tables appropriately.
  - DropGeometryColumn(<db/schema>::varchar, <table>::varchar,
   <column>::varchar)
	Removes a geometry column from an existing spatial table.
  - Distance(<geom1>::geometry, <geom2>::geometry)
	Returns the cartesian distance between two geometries.
  - AsText(<geom>::geometry)
	Returns the OGC well-known text version of the geometry.
  - SRID(<geom>::geometry)
	Returns the integer SRID of the geometry.
  - GeometryFromText(<geom>::varchar, <srid>::integer)
	Creates a geometry object given the OGC well-known text and a valid
	SRID.
  - SetSRID(<geom>::geometry)
	Sets the SRID of a geometry to a particular value.
  - IsClosed(<geom>::geometry)
	Returns true of first and last points of geometry are coincident.
  - StartPoint(<geom>::geometry)
	Returns the first point of a geometry.
  - EndPoint(<geom>::geometry)
	Returns the last point of a geometry.
  - Centroid(<geom>::geometry)
	Returns the centroid of a geometry.
- More OpenGIS SFSQL compatibility
  - SPATIAL_REF_SYS table
  - GEOMETRY_COLUMNS table
  - SRID integrity checking
- Better Mapserver compatibility
- Minor fixes/changes
  - Support for WKB in the tables
  - Miscellaneous bug fixes
  - Placeholders for precision grid


PostGIS 0.5
2001/07/20

- New functions
  - Dimension()
  - GeometryType()
  - Envelope()
  - X(), Y(), Z()
  - NumPoints()
  - PointN()
  - ExteriorRing()
  - NumInteriorRings()
  - InteriorRingN()
  - NumGeometries()
  - GeometryN()
  - Length_Spheroid()
  - Length3D_Spheroid()
  - AsBinary() + XDR and NDR variants
  - force_collection()
- Removed functions
  - wkb_ndr()
  - wkb_xdr()
- New Objects
  - SPHEROID(<NAME>,<SEMIMAJOR AXIS>,<INVERSE FLATTENING>)
	To be used with the length_spheroid functions for accurate
	length calculations on lat/lon data.
- Minor bug fixes
- Internal Functions
  - Extra constructors to make geometry manipulation easier
- Structural Reorganization
  - Broke postgis.c up into four new files
	postgis_debug.c -- debugging functions
	postgis_fn.c -- generic functions (like length())
	postgis_ops.c -- operators and indexing functions
	postgis_inout.c -- type support functions and data conversion functions


PostGIS 0.2
2001/06/19

- New functions
  - extent()
  - force_2d()
  - force_3d()
  - wkb_xdr()
  - wkb_ndr()
  - translate()
- Fixes
  - Cygwin compilation (Norman Vine)
  - i386 byte alignment fixed
  - 'VACUUM ANALYZE' fixed
- Other
  - documentation in docbook xml
  - example program for WKB access
  - removed 'make test' until we can get regression
	working more cleanly


PostGIS 0.1
2001/05/25

- Initial release!
- 'geometry' and 'box3d' types.
- Parsing routines for all possible geometries in OGIS text format
  (POINT, LINESTRING, POLYGON, MULTIPOINT, MULTILINESTRING, MULTIPOLYGON,
  GEOMETRYCOLLECTION).
- Output routines for all possible geometries in OGIS text format.
- area2d(), area3d()
- length3d(), length3d()
- perimeter2d(), perimeter3d()
- truely_inside()
- rtree index support functions
- gist index support functions