GDAL/OGR 1.4.0 - General Changes
--------------------------------

Perl Bindings: 
 - Added doxygen based documentation.

NG Python Bindings: 
 - Implemented numpy support.

CSharp Bindings: 
 - Now mostly operational.

WinCE Porting:
 - CPL 
 - base OGR, OSR and mitab and shape drivers.
 - GDAL, including GeoTIFF, DTED, AAIGrid drivers
 - Added test suite (gdalautotest/cpp)

Mac OSX Port:
 - Added framework support (--with-macosx-framework)



GDAL 1.4.0 - Overview Of Changes
--------------------------------

WCS Driver:
 - New

PDS (Planetary Data Set) Driver:
 - New

ISIS (Mars Qubes) Driver:
 - New

HFA (.img) Driver:
 - Support reading ProjectionX PE strings.
 - Support producing .aux files with statistics.
 - Fix serious bugs with u1, u2 and u4 compressed data.

NITF Driver:
 - Added BLOCKA reading support.
 - Added ICORDS='D'
 - Added jpeg compression support (readonly)
 - Support multiple images as subdatasets.
 - Support CGM data (as metadata)

AIGrid Driver:
 - Use VSI*L API (large files, in memory, etc)
 - Support upper case filenames.
 - Support .clr file above coverage.

HDF4 Driver:
 - Added support for access to geolocation arrays (see RFC 4).
 - External raw raster bands supported.

PCIDSK (.pix) Driver:
 - Support METER/FEET as LOCAL_CS. 
 - Fix serious byte swapping error on creation.

BMP Driver: 
 - Various fixes, including 16bit combinations, and non-intel byte swapping.

GeoTIFF Driver:
 - Fixed in place update for LZW and Deflated compressed images.

JP2KAK (JPEG2000) Driver:
 - Added support for reading and writing gmljp2 headers. 
 - Read xml boxes as metadata. 
 - Accelerate YCbCr handling. 

JP2MrSID (JPEG2000) Driver: 
 - Added support for reading gmljp2 headers. 

EHDR (ESRI BIL) Driver:
 - Support 1-7 bit data. 
 - Added statistics support.


OGR 1.4.0 - Overview of Changes
-------------------------------

OGR SQL:
 - RFC 6: Added support for SQL/attribute filter access to geometry, and 
   style strings. 

OGRSpatialReference: 
 - Support for OGC SRS URNs. 
 - Support for +wktext/EXTENSION stuff for preserving PROJ.4 string in WKT.
 - Added Two Point Equidistant projection.
 - Added Krovak projection.
 - Updated support files to EPSG 6.11.

OGRCoordinateTransformation: 
 - Support source and destination longitude wrapping control.

OGRFeatureStyle: 
 - Various extensions and improvements. 

INFORMIX Driver: 
 - New

KML Driver: 
 - New (write only)

E00 Driver:
 - New (read only) 
 - Polygon (PAL) likely not working properly.

Postgres/PostGIS Driver:
 - Updated to support new EWKB results (PostGIS 1.1?)
 - Fixed serious bug with writing SRSes.
 - Added schema support.

GML Driver: 
 - Strip namespaces off field names. 
 - Handle very large geometries gracefully.

ODBC Driver: 
 - Added support for spatial_ref_sys table.

SDE Driver: 
 - Added logic to speed things up while actually detecting layer geometry types

PGeo Driver: 
 - Added support for MDB Tools ODBC driver on linux/unix.

VRT Driver:
 - Added useSpatialSubquery support.


===============================================================================

GDAL/OGR 1.3.2 - General Changes
--------------------------------

WinCE Porting:
 - Support for MS WinCE new for this release.

Java SWIG Bindings: 
 - Preliminary support implemented.


GDAL 1.3.2 - Overview of Changes
--------------------------------

Locale: 
 - Force numeric locale to "C" at a few strategic points.

Idrisi Driver:
 - New for 1.3.2. 
 - Includes reading and writing. 
 - Limited coordinate system support.

DIPEx Driver: 
 - New for GDAL 1.3.2 (related to ELAS format).

Leveller Driver:
 - New for GDAL 1.3.2. 

NetCDF Driver:
 - Improved autoidentification of x, y dimensions.
 - Improved CF support.

JPEG2000 (JasPer) Driver:
 - Use GDALJP2Metadata to support various kinds of georeferencing. 

JPEG2000 (JP2KAK) Driver:
 - Support writing tiles outputs so that very large images can be written.

GeoTIFF Driver:
 - Report error when attempting to create >4GB uncompressed file.
 - Updated to latest libtiff, now supports "old jpeg" fairly well. 
 - Improved support for subsampled YCbCr images. 

Imagine (HFA) Driver:
 - Support reading affine polynomial transforms as geotransform. 
 - Support overviews of different type than base band.
 - Support reading RDO style "nodata" indicator.

PCI Aux Driver:
 - Support projections requiring parameters. 

MrSID Driver;
 - Fixed problem with writing files other than 1 or 3 bands.
 - Support ESDK 6.x. 

BMP Driver:
 - Added support for 32bit images with bitfields compression.

DODS Driver:
 - Upgraded to support libdap 3.6.x. 
 - Upgraded to support [-x][-y] to flip image.

gdal_rasterize Utility:
 - New for GDAL 1.3.2. 
 - Rasterize OGR polygons into a raster. 



OGR 1.3.2 - Overview of Changes
-------------------------------

OGRFeature:
 - Added support for OFTDate, OFTTime and OFTDateTime field types. 
 - Also applied to a few drivers (shapefile, mysql, postgres)

OGRLayer:
 - GetFIDColumn() and GetGeometryColumn() added.

Generic OGR SQL:
 - Proper support for spatial and attribute filters installed on 
   OGR SQL resultsets. 

OGRSpatialReference:
 - Upgraded data files to EPSG 6.9

PostGIS Driver:
 - Include proj4text in new spatial_ref_sys entries.
 - Fixed support for very large queries.
 - Fixed DeleteLayer() implementation.
 - Added COPY support for accerated loading.

MySQL Driver:
 - Added read and write support for Spatial types. 
 - Support spatial_ref_sys and geometry_columns tables.
 - Various other improvements (dates, smallint, tinyint, etc)
 - More robust auto-detection of column types for layers
   created from SQL statements
   
ArcSDE Driver:
 - New for 1.3.2. 
 - Read-only support for all geometry types. 
 - Supports coordinate systems.
 - Requires SDE C API from ESRI.

Shapefile Driver:
 - Avoid posting errors when .dbf's without .shps are opened.
 - Added pseudo-SQL REPACK command after deleting features.
 - Implement DeleteFeature()

S-57 Driver:
 - Added support for Arcs. 
 - Added special DSID_DSSI feature class to capture header info.

DGN Driver:
 - Support writing geometry collections.

DWG/DXF Driver:
 - New for OGR 1.3.2
 - Only supports writing DWG and DXF.
 - Depends on DWGdirect library.


===============================================================================

GDAL 1.3.1 - Overview of Changes
--------------------------------

Next Generation SWIG Wrappers (GDAL and OGR):
 - Python, Perl and Ruby bindings considered to be ready to use. 
 - C#, Java, PHP are at best initial prototypes.
 - Added configure options for most NG options. 

PCRaster Driver: 
 - libcsf is now included as part of GDAL.
 - PCRaster enabled by default on win32. 
 - --with-pcraster=internal option now supported on unix (but not yet default)

VSI Virtualization:
 - The "large file API" (VSI*L) has been re-engineered to allow installing
   additional file handlers at runtime.  
 - Added "in memory" VSI handler so that now any driver using VSI*L 
   functions for data access can operate on in-memory files. 
 - PNG, JPEG and GeoTIFF drivers upgraded to work with in-memory support.

Raster Attribute Tables:
 - Implemented new Raster Attribute Tables support.  See the 
   GDALRasterAttributeTable class for more information. 

Erdas Imagine Overviews:
 - Erdas Imagine driver upgraded to support building internal overviews. 
 - Generic overview handler updated to support overviews in Erdas Imagine
   format for any file format.  Set USE_RRD config option to YES to enable.

gdalwarp:
 - Added proper support for "unified source nodata", so the -srcnodata
   switch works well. 

RIK Driver: 
 - New Swedish format driver implemented by Daniel Wallner.

JPEG Driver:
 - Substantial improvements to EXIF support.  

MrSID Driver:
 - Updated with proper JPEG2000 support as JP2MRSID driver, including 
   encoding with ESDK.
 - Updated to support MrSID Version 5.x SDKs.

PNG Driver:
 - Fixed serious bugs with 16bit file support. 
 - Added NODATA_VALUES to identify RGB sets that indicate a nodata pixel.


OGR 1.3.1 - Overview of Changes
-------------------------------

Reference Counting:
 - OGRSpatialReference and OGRFeatureDefn now honour reference counting 
   semantics.
 - Note that, especially for the OGRFeatureDefn, it is now critical that
   all drivers be careful with reference counting.  Any OGR drivers not in
   the core distribution will likely crash if not updated.

ESRI Personal Geodatabase Driver:
 - New driver implemented for ESRI Personal Geodatabase (.mdb) files. 
 - Uses ODBC, enabled by default on win32. 

ODBC Driver:
 - Updated to support binary fields. 
 - Updated to support WKB geometry fields. 
 - Updated to support DSN-less connections. 

S57 Driver:
 - Added support for Inland Waterways, and Additional Military Layers profiles


===============================================================================

GDAL 1.3.0 - Overview of Changes
--------------------------------

Multithreading:
 - Lots of work done to implement support for multiple threads reading
   from distinct GDALDataset objects at the same time. 

GDALRasterBand / Persistant Auxilary Metadata (PAM):
 - Support for preserving a variety of metadata in a supporting XML file. 
 - GDALRasterBand now supports "remembering" histograms, and has a concept
   of the default histogram. 
 - GDALRasterBand now supports remembering image statistics.
 - Disabled by default (set GDAL_PAM_ENABLED=YES to turn on). 
 - Supported by *most* drivers with some caveats.

GDALCopyWords(): 
 - This function is a low level work horse for copying and converting pixel 
   data in GDAL.  It has been substantially optimized by Steve Soule (Vexcel).

Next Generation Bindings:
 - Kevin Ruland and Howard Butler are working on reworked support for 
   SWIG to generate Python, PHP, Java, C# and other language bindings for GDAL
   and OGR. 

VB6 Bindings: 
 - Now substantially complete, see VB6 directory.

HDF5 Driver: 
 - New HDF5 driver implemented by Denis Nadeau. 

RMF Driver: 
 - New driver for Raster Matrix Format by Andrey Kislev. 

MSGN (Meteosat Second Generation Native) Driver:
 - New driver implemented by Frans van der Bergh.

VRT Driver:
 - Fixed whopper of a memory leak in warped raster case.

NetCDF Driver: 
 - Preliminary CF conventions support by Denis Nadeau.

NITF Driver:
 - NITF files between 2 and 4 GB in size can now be read and written.

JPEG Driver: 
 - Added support for reading EXIF as metadata by Denis Nadeau.

DODS Driver:
 - Fixed up libdap 3.5.x compatibility.

JP2ECW (JPEG2000 ECW SDK) Driver:
 - Implemented support for new GML-in-JPEG2000 specification.
 - Implemented support for old MSI "worldfile" box. 

JP2KAK (JPEG2000 Kakadu) Driver:
 - Implemented support for new GML-in-JPEG2000 specification.
 - Implemented support for old MSI "worldfile" box. 

PCIDSK Driver: 
 - tiled files now supported for reading.
 - overviews now supported for reading.

HFA (Imagine) Driver:
 - Supports creating internal overviews in very large files. 
 - Support reading class names. 
 - Support creating compressed files. 

GeoTIFF Driver:
 - Support reading files with odd bit depths (ie. 3, 12, etc). 
 - Support 16/24bit floating point TIFFs (per Technote 3) (Andrey).
 - Support 12bit jpeg compressed imagery using libjpeg "MK1" library.

HDF4 Driver:
 - Added support for ASTER Level 1A, 1B and 2 products (Andrey). 


OGR 1.3.0 - Overview of Changes
-------------------------------

OGRGeometry:
 - WKT (and GML) encoding now attempts to preserve pretty much full double
   precision. 
 - geometries are now "coordinate dimension preserving" rather than dynamically
   figuring out dimension depending on whether Z is set.  So a geometry can
   now be 3D even if all z values are zero.  
 - Fixed up proper EMPTY geometry support per standard.

GRASS Driver:  
 - New driver for GRASS 6 vector data written by Radim Blazek. 

Interlis Driver: 
 - New driver for Swiss Interlis format from Permin Kalberer (SourcePole).

Shape Driver:
 - Fixed logic for degenerate polygons (Baumann Konstantin).
 
PostgreSQL/PostGIS Driver:
 - Implemented fast GetExtent() method (Oleg Semykin).
 - Implemented layer type from geometry_columns (Oleg Semykin).
 - Handle PostGIS 1.0 requirements for coordinate dimemsion exactness.
 - Handle EWKT type in PostGIS 1.0.
 - Generally PostGIS 0.x and 1.0 should now be supported fairly gracefully.
 - Added PostGIS "binary cursor" mode for faster geometry access.

VRT Driver:
 - Pass through attribute queries to underlying driver. 
 - Pass through spatial queries as attribute filters on the underlying layer.

S57 Driver:
 - Added concept of supporting different profiles. 
 - Added prototype AML profile support. 

MySQL Driver:
 - Fixed for FID recognition (eg. mediumint). 

GML Driver: 
 - Various fixes for generated GML correctness (Tom Kralidis).

TIGER/Line Driver:
 - Added Tiger 2004 support.

Oracle Driver:
 - Use VARCHAR2 for fixed size string fields. 
 - Use OCI_FID config variable when creating layers, and reading select results




===============================================================================

GDAL 1.2.6 - Overview of Changes
--------------------------------

gdal_translate: 
 - Added -sds switch to copy all subdatasets. 

gdalwarp: 
 - Added Thin Plate Spline support (-tps switch). 

GDALRasterBand:
 - Now uses two level block cache allowing efficient access to files
   with a very large number of tiles. 
 - Added support for YCbCr color space for raster band color interpretations.
 - Added AdviseRead() method - currently only used by ECW driver and OGDI 
   drivers. 

ILWIS Driver:
 - New driver for the raster format of the ILWIS software. 

ECW Driver:
 - Updated to use ECW SDK 3.1 (older ECW SDK no longer supported!)

ECWJP2 Driver:
 - Added JPEG2000 support driver based on ECW/JPEG2000 SDK with a variety
   of features. 

NITF Driver: 
 - Added support for reading *and* writing JPEG2000 compressed NITF files 
   using the ECW/JPEG2000 SDK. 
 - Added ICHIPB support. 

HDF Driver:
 - Add support for georeferencing from some additional metadata formats. 
 - Fixed bug with multi-band HDF-EOS datasets. 

MrSID Driver:
 - Driver can now be built as a plugin on win32. 
 - Split out MrSID 3.x SDK support - not readily buildable now. 
 - Implemented accelerated IO cases for MrSID 4.x SDK. 
 - Support for writing MrSID files added (improved?)

Imagine Driver: 
 - Fixed bug reading some large multiband Imagine files. 
 - Added support for writing compressed files. 

Win32 Builds:
 - Added versioning information to GDAL DLL.

L1B Driver:
 - Only return a reduced grid of control points. 

IDA (WinDisp4) Driver:
 - New read/write driver for the Image Display and Analysis raster format 
   used by WinDisp 4. 

NDF (NLAPS) Driver:
 - Added NDF/NLAPS read driver for version 1 and 2. 

MSG Driver: 
 - Added support for the Metosat Second Generation raw file format.

GTiff Driver:
 - Added support for offset/scale being saved and loaded (special metadata). 
 - Added Cylindrical Equal Area.
 - Added PROFILE creation option to limit extra tags.

PNG Driver: 
 - Updated internal code for libpng to libpng 1.2.8.


OGR 1.2.6 - Overview of Changes
-------------------------------

OGRSFDriverRegistrar:
 - Added support for autoloading plugin drivers from ogr_<driver>.so. 

ogr.py:
 - Geometry, and Feature now take care of their own reference counting and
   will delete themselves when unreferenced.  Care must still be taken to
   unreference all features before destroying the corresponding 
   layer/datasource.
 - ogr.Feature fields can now be fetched and set directly as attributes. 
 - Geometry contructor can now take various formats (wkt, gml, and wkb). 
 - Added docstrings. 
 - Added better __str__ methods on several objects. 
 - Various other improvements. 

OGRLayer:
 - Re-wrote generic spatial search support to be faster in case of rectangular
   filters. 
 - Intersects() method now really uses GEOS.  This also affects all OGR 
   layer spatial filtering (with non-rectangular filters). 
 - Added SetNextByIndex() method on OGRLayer.  

OGRSpatialReference:
 - Automatically generate +towgs84 from EPSG tables when translating to
   PROJ.4 if available and TOWGS84 not specified in source WKT. 
 - Updated GML CRS translation to follow OGC 05-011 more closely.  Still
   incomplete but operational for some projections. 
 - Added support for FIPSZONE State Plane processing for old ESRI .prjs. 
 - Added Goode Homolosine support. 
 - Added GEOS (Geostationary Satellite) support.

OCI (Oracle) Driver:
 - Added GEOMETRY_NAME creation option to control the name of the field to
   hold the geometry.

PostGIS Driver:
 - Fixed some problems with truncation for integer and float list fields. 

Shapefile Driver: 
 - Added support for MapServer style spatial index (.qix). 

GML Driver: 
 - Improved support for 3L0 (GML 3 - Level 0 profile) reading and writing. 
   On read we can now use the .xsd instead of needing to build a .gfs file. 


===============================================================================

GDAL 1.2.5 - Overview of Changes
--------------------------------

gdalwarp Utility:
 - Added "proper" source and destination alpha support. 

PCRaster Driver: 
 - added write support, now consider ready for regular use.

MrSID Driver:
 - Initial support for writing to MrSID with encoding SDK. 

GeoTIFF Driver:
 - Updated internal copy of libtiff to fix overview building ... really!
 - Fixed bug when writing south-up images.


OGR 1.2.5 - Overview of Changes
-------------------------------

OGRSpatialReference:
 - Added Bonne projection. 

Docs:
 - Added OGR C++ API Tutorial (reading and writing). 

PostGIS Driver:
 - Implemented SetFeature() and DeleteFeature() methods for in-place updates.

Oracle (OCI) Driver:
 - Fixed support for writing into Oracle 10g. 
 - Fixed serious memory leak of geometries. 
 - Fixed bug with 3D multipolygons. 
 - Added support for selecting tables in the datasource name.

===============================================================================

GDAL 1.2.4 - Overview of Changes
--------------------------------

gdalwarp: 
  - Fixed some issues with only partially transformable regions. 
  - Added Alpha mask generation support (-dstalpha switch).

HFA/Imagine Driver:
  - bug fix in histogram handling.
  - improved support for large colormaps. 

Envi Driver:
  - Capture category names and colormaps when reading.

SAR CEOS Driver:
  - Added support for PALSAR/ALOS Polarimetric Datasets. 

RadarSat 2 Driver:
  - New.  Reads RadarSat 2 Polarimetric datasets with a "product.xml" and 
    imagery in TIFF files. 

OGDI Driver:
  - Important bug fix for downsampled access.

GeoTIFF Driver:
  - Lots of libtiff upgrades, including some quite serious bug fixes.
  - Added better support for 16bit colormaps. 
  - Write projection information even if we don't have a geotransform or GCPs.
  - Improved alpha support.
  - Generate graceful error message for BigTIFF files. 

DODS Driver:
  - Almost completely reimplemented.   Uses chunk-by-chunk access.  Supports
    reading several bands from seperate objects.  Some new limitations too.

NetCDF Driver:
  - Seperated out a GMT NetCDF driver and a more generic but partially broken
    NetCDF driver (Radim).

JP2KAK Driver:
  - Added alpha support, including greyscale+alpha. 

AirSAR Driver:
  - New, reads AirSAR Polarimetric Radar format. 



OGR 1.2.4 - Overview of Changes
-------------------------------

epsg_tr.py: 
  - Added escaping rules when generating PostGIS output.

tigerpoly.py:
  - Discard dangles and degenerate rings. 

VRT Driver:
  - Fixed serious error in handling cleanup of VRT datasources, was often 
   causing a crash.

SQLLite Driver:
  - Fixed substantial memory leaks. 

MySQL Driver:
  - New readonly non-spatial MySQL driver implemented.

MITAB Driver:
  - Updated from upstream, several fixes.

TIGER/Line Driver:
  - Fixed serious bug with handling "full" records at end of .RT2 file. 

OCI/Oracle Driver:
  - Added OCI_FID environment support to control FID selection.

OGRGeometry:
  - Added Centroid() implementation (from GEOS?)

 =============================================================================

GDAL 1.2.3 - Overview of Changes
--------------------------------

GeoTIFF Driver:
    - Fixed many missing compression codecs when built with the internal 
      libtiff.
    - Modified driver metadata to only list available compression types.

DODS Driver:
    - Added support for OPeNDAP version after 3.4.x (use of opendap-config).

GRASS Driver:
    - Fixed support for building with grass57.

MrSID Driver:
    - Fixed support for MrSID Encoding SDK. 

NITF Driver:
    - Fixed serious bug with non-square output files.


OGR 1.2.3 - Overview of Changes
-------------------------------

OGRSpatialReference:
    - Corrected memory leaks - OSRCleanup() cleans up temporary tables.
    - Fixed build problem with ogrct.cpp on Solaris. 

TIGER Driver:
    - Improved generality of support for GDT files.

OGRGeometry:
    - Added getArea() method for rings, polygons and multipolygons. 

 =============================================================================

GDAL 1.2.2 - Overview of Changes
--------------------------------

GRASS Driver: 
    - Add Radim's version of the driver submitted by Radim.  This version
      uses GRASS 5.7 libraries directly instead of using libgrass. 

DODS Driver:
    - Added support for spatial_ref, FlipX and FlipY .das info.

CPG Driver:
    - added new driver for Convair Polarimetric format. 

HDF Driver:
    - Significant bugs fixed. 

USGS DEM Driver:
    - Support writing UTM projected files.

PNG Driver:
    - Upgraded to libpng 1.2.6. 

MrSID Driver:
    - Substantial performance improvements. 
    - Support for DSDK 4.x 
    - Support JPEG2000 files via MrSID SDK. 

NITF Driver:
    - Support JPEG2000 compressed files (with Kakadu support)

ESRI BIL:
    - Support .clr color files.

VRT Driver:
    - Added support for describing raw files with VRTRawRasterBand. 
    - Added support for virtual warped files with VRTWarpedRasterBand.

GeoTIFF Driver:
    - Fix support for 16bit image color tables. 
    - Write ExtraSamples tag for files with more samples than expected
      in photometric interpretation. 
    - External overviews now built for read-only files. 

Erdas Imagine Driver:
    - Fixed support for compressed floating point layers. 
    - Various other fixes for compatible with newer Imagine versions.
    - improved metadata handling.

gdal_merge.py:
    - sets projection on output file.


OGR 1.2.2 - Overview of Changes
-------------------------------

SQLite Driver:
    - New read/write driver implemented for SQLite databases.

CSV Driver:
    - New read/write driver implemented for comma seperated value files.

S-57 Driver:
    - Substantial performance improvements.

ODBC Driver:
    - Arbitrary length field values now supported. 

GEOS:
    - Integration a series of methods utilizing GEOS when available.  Note
      that Intersect() is still just an envelope comparison.

OGRSpatialReference:
    - Fixed Swiss Oblique Mercator support. 

 =============================================================================

GDAL 1.2.1 - Overview of Changes
--------------------------------

gdal_contour:
    - Now build and installed by default.

HDF4 Driver:
    - Added some degree of HDF-EOS support.  HDFEOS layer now part of GDAL.

DODS Driver:
    - Substantial fixes, support for flipped datasets.  

HFA (Erdas Imagine) Driver:
    - Fixed bug with files between 2 and 4GB.
    - Capture statistics as metadata.

Erdas 7.x LAN/GIS Driver:
    - Newly implemented.

USGS DEM Driver:
    - Various fixes to creation support / CDED product.

NITF Driver:
    - Capture USE001 and STDIDC TREs as metadata.
    - Capture all sorts of header information as metadata.
    - Support geocentric corner coordinate specification.

MrSID Driver:
    - Support added for DSDK 4.0.x.

ECW Driver:
    - Added preliminary support for using 3.0 SDK for JPEG2000 support. 
    - Fix oversampling assertion problem.

ArcInfo Binary Grids:
    - Added support for 0x01 and 0x20 block type.


OGR 1.2.1 - Overview of Changes
-------------------------------

OGRSpatialReference:
    - Various fixes related to prime meridians.

PostgreSQL/PostGIS Driver:
    - Added layer name laundering. 
    - Launder names on by default.
    - Clean stale entries in geometry_columns table when creating a layer.
    - Support treating names views as layers.
    - Handle long command strings.

S57 Driver:
    - Fixed serious bugs with support for auto-applying update files.
    - Improvements to S57 writing support.
  
 =============================================================================

GDAL 1.2.0 - Overview of Changes
--------------------------------

Configuration:
    - Libtool used by default with Unix style builds.  Use --without-libtool
      to avoid this. 
    - PROJ.4 can now be linked statically using --with-static-proj4.
    - Added --without-bsb option for those averse to legal risk.

DODS/OPeNDAP Driver:
    - Preliminary DODS (OPeNDAP) driver implemented (James Gallagher @ URI).

PCIDSK Driver:
    - PCIDSK read/write raster driver implemented (Andrey).

Erdas Imagine / HFA Driver: 
    - Support recent Imagine versions (data dictionary changes).
    - Better logic to search for .rrd file locally.
    - Support creating files in the 2GB to 4GB size range.

GIF Driver: 
    - Updated to libungif 4.1.0. 
    - Various hacks to try and identify transparent colors better.

BMP Driver: 
    - Handle 32bit BMPs properly.

HDF4 Driver:
    - Added proper support for multi-sample GR datasets. 
    - Various fixes and improvements for specific product types.

GeoTIFF Driver: 
    - Added PHOTOMETRIC option to control photometric interp of new files.

JPEG2000/Kakadu Driver: 
    - Support reading/creating lossless 16bit files. 
    - Updated to support Kakadu 4.1 library.

NITF Driver: 
    - Implement support for IGEOLO="U" (MGRS/UTM) coordinates. 
    - Added overview (as external GeoTIFF file) support.

MrSID Driver: 
    - Support DSDK 4.2.x. 

PNG Driver:
    - Support required byte swapping of 16bit PNG data. 

FAST Driver:
    - lots of fixes, supports more datums and ellipsoids. 

NetCDF Driver: 
    - New driver implemented for netCDF support. 
    - Pretty much tied to form of netCDF used in GMT for now. 

VTerrain .bt Driver: 
    - New driver for VTerrain .bt elevation format.

ECW Driver:
    - support supersampled reads efficiently. 
    - special case for dataset level RasterIO() implemented for much better
      performance in some applications. 

ESRI BIL (EHdr) Driver:
    - Support world files.

VRT Driver: 
    - Implement filtering support. 

GIO (Arc/Info Binary Grid via avgridio.dll): 
   - Driver disabled ... to undependable. 


Python:
    - Preliminary support for numarray in addition to numpy (Numeric). 

Contouring:
    - New gdal_contour utility program implementing contour generation.  
    - Underlying algorithm in gdal/alg.  

Warping:
    - Improved support in GDALSuggestedWarpOutput() for "world" sized
      files that are only partially transformable. 
    - Bicubic resampler improved. 
    - What was gdalwarptest is now gdalwarp, and the old gdalwarp is now
      gdalwarpsimple.  The sophisticated warper is now the default.

Man Pages: 
    - Man pages for GDAL utilities now being maintained and installed (Silke).

 

OGR 1.2.0 - Overview of Changes
-------------------------------

OGRSpatialReference:
   - Added methods for converting to/from GCTP representation.
   - Added HOM 2 points on centerline variant. 

DODS (OPeNDAP) Driver:
   - Preliminary implementation.

TIGER/Line Driver: 
   - Added support for GDT ASCII TIGER-like format. 
   - Support TIGER/Line 2003 format. 

S-57 Driver:
   - Preliminary export support implemented. 
   - Support capture of FFPT (feature to feature) linkages.
   - Support capture of TOPI from VRPT.
   - Support capture of primitives as additional layers. 

Shapefile Driver:
   - gdal/frmts/shapelib removed from GDAL source tree, now just a 
     copy of required shapelib files are kept in gdal/ogr/ogrsf_frmts/shape. 
   - Attempt identify polygons that are really multi-polygons and convert them 
     into multi-polygons properly (Radim Blazek).
   - Create FID attribute in .dbf file if no attribute added by application.

GML Driver:
   - Lots of fixes and improvements for reading and writing. 
   - Now writes a schema file by default. 
   - Field types are set now when reading based on data found on first pass.
   - Added support for the various kinds of geometry collections.

DGN Driver:
   - Now using dgnlib 1.9 - this carries with it various new element types
     and some important bug fixes.

ODBC Driver:
   - New ODBC driver implemented.  Build by default on Windows, and buildable
     on Unix (with unixodbc). 

VRT Driver: 
   - New "virtual" OGR Datasource format implemented.  
   - Configuration stored in XML control file. 

Oracle (OCI) Driver:
   - support reading views. 

OGR Core:
   - Added support for WKT EMPTY geometry objects (like "MULTIPOINT(EMPTY)").
   - Added DeleteFeature() method on OGRLayer class.  

NTF Driver: 
   - Support CHG_TYPE attribute for landline plus product. 



 ==============================================================================

GDAL 1.1.9 - Overview of Changes
--------------------------------

 o MrSID Driver: New for 1.1.9, read-only, includes good coordiante system
   support, and should be high performance. 

 o ECW Driver: Now reads coordinate system information (but doesn't write). 

 o HDF Driver: Added support for Hyperion Level 1, Aster Level 1A/1B/2, MODIS 
   Level 1B(earth-view)/2/3, SeaWIFS Level 3. 

 o L1B Driver: Now reads GCPs for georeferencing.

 o NITF Driver: Support for reading RPC, variety of bugs fixes for reading and
   writing.  Also some general RPC infrastructure added to GDAL.

 o JP2KAK Driver: Can be used with Kakadu 4.0.2 now.  Compatibility fixes
   for internal geotiff to improve compatibility with Mapping Science tools.
   Added palette support. 

 o HFA (Imagine) Driver: Added read/write support for color table opacity.
   Added write support for large (spill) files. 

 o "core" directory renamed to "gcore" to avoid confusing configure script.

 o Added support for GDAL_DATA environment variable to point to GDAL support
   data files (those in gdal/data directory).

 o Added GDALDataset::RasterIO() for more efficient reading of multiple bands
   in one request (in some cases anyways). 

 o High performance warp api considered to be complete now, and substantially
   optimized.

 o gdal_merge.py: supported multiple bands, copying PCT. 


OGR 1.1.9 - Overview of Changes
-------------------------------

 o Oracle Spatial: New generic read/write, and implemented highly optimized
   loading support. 

 o Tiger driver: added support for TIGER/Line 2002 product.

 o GML driver:  now supports Xerces versions from 1.6 up to 2.3.  Lots of
   bugs fixes and improvements.   GML Geometry now in OGR core. 

 o Improved support for translating to and from ESRI WKT, including a complete
   mapping between EPSG related ESRI datum names and OGR's expected names. 

 o Improved support for alternate prime meridians in coordinate system code.

 o Shapefiles: Can write features with NULL geometry, 

 o DGN: added 3d write support. 

 o Implemented generic attribute indexing support (only used for shapefile
   at this point).  Use in SQL where clauses and ExecuteSQL(). 

 o WKT MULTIPOINT in/out formatting fixed.

 o Added SynToDisk() method on OGRDataset and OGRLayer. 

 o Implemented "Web Coordinate Transformation Service" (ogr/wcts). 

 o Implemented "in memory" format driver. 

 o C API documented.




 ==============================================================================

GDAL 1.1.8 - Overview of Changes
--------------------------------

 o Implemented HDF 4 read/write support. This includes HDF EOS reading.

 o Implemented Windows BMP read/write support. 

 o Implemented NITF read/write support. 

 o Implemented NOAA Polar Orbiter L1B format driver. 

 o Implemented EOSAT FAST format driver. 

 o Implemented a JasPer based JPEG2000 driver (several limitations).

 o Implemented a Kakadu based JPEG2000/GeoJP2(tm) driver (full featured, but 
   Kakadu is not open source). 

 o Implemented new 'gdalwarp' application for projection and GCP based image
   warping.  See gdal/alg for underlying algorithms.  Currently gdalwarp only
   supports 8 bit images and holds the whole source image in memory.

 o Implemented write support for ESRI ASCII Grids. 

 o Lots of improvements to GeoTIFF driver.  Metadata writing, update of
   georeferencing, and support for writing PCS codes based on AUTHORITY fields
   in WKT.  

 o Implemented support for uncompressed 1bit data in Erdas Imagine files,
   as well as generic metadata.

 o Fixed 0xFF compression support in the Arc/Info Binary Grid (AIG) driver.

 o Lots of improvements to BSB drive, including preliminary uncompressed 
   output support, support for reading BSB 3.0 and GEO/NOS.

 o Lots of work on VRT format.  

 o ECW: Fixed bug with reading a more than full resultion.

 o Envisat driver now supports AATSR TOA and MERIS data.

 o Fixes for nodata support in GRASS driver.

 o Added the --version and --formats options to many utility programs.

 o gdal_translate: 
    - added -projwin flag to copy a window specified in projection coordinates.
    - added the -a_srs option to assign a user supplied SRS to output file.
    - translation with subsetting to any format now support (uses VRT inside).

 o Lots of metadata now attached to driver objects describing their 
   capabilities. 

 o Implemented GDALDestroyDriverManager() to ensure full memory cleanup of
   GDAL related resources.

 o Added a 'devinstall' target on Windows to support easy installation of
   include files and stub libraries on Windows.  Also many other improvements
   to Windows build.  Most options can be easily turned on and off from the
   nmake.opt file now.


OGR 1.1.8 - Overview of Changes
-------------------------------

 o Implemented support for writing 2D DGN files.   Added support for MSLINK
   and Text values available as attributes.

 o Implemented FMEObjects based read driver. 

 o Implemented ExecuteSQL() method on OGRDataSource.  Generic code supports
   fairly full featured SELECT statements. 

 o Various fixes to 3D shapefile support. 

 o Fixes to binary representation for 2.5D geometries.  Fixed MULTIPOINT WKT
   geometry representation.

 o Upgraded OGRSpatialReference.importFromEPSG() to use the new EPSG 6.2.2
   tables instead of the old EPSG 4.x tables.

 o Many fixes to PostGIS driver, including special creation options for
   "laundering" field names to save tokens.

 o Many improvements to standards conformance of OGRSpatialReference WKT
   representation to the OGC Coordinate Transformations specification.  Still
   some quirks related to prime meridians and coordinate systems with units
   other than degrees.

 o Implemented support for Meridian 2 NTF files in NTF driver.  Better
   support for GENERIC_CPOLY geometries.

 o  Added support for [NOT] IN, [NOT] LIKE and IS [NOT] NULL predicates in 
   WHERE clauses.

 o Implemented a C API for accessing OGR.

 o Implemented support for building OLE DB Provider with Visual Studio.NET
   (many changes in ATL templates).  Lots of other OLE DB improvements for
   better MapGuide compatibility.


GDAL 1.1.7 - Overview of Changes
--------------------------------

 o Add XPM (X11 Pixmap) format.

 o Added rough ENVI raster format read support.

 o Added --version support (and supporting GDALVersionInfo() function).

 o Special hooks for getting raw record data from sar ceos files and Envisat
   via the metadata api.

 o Upgraded TIFF/GeoTIFF support to CVS version ... includes new extension
   API and removes need for private libtiff include files entirely.

 o gdal_translate now has scaling option (-scale). 

 o Added utility documentation.

OGR 1.1.7 - Overview of Changes
-------------------------------

 o Added Arc/Info binary coverage format read support.

 o Added ogrtindex for building MapServer compatible OGR tile indexes.

 o Added default implementation of GetFeature(fid) method on OGRLayer.

 o Shape driver now supports reading and creating free standing .dbf files
   for layers without geometry.

 o Added utility documentation.

 o Fixed major memory/file handle leak in SDTS access.

 o Added ADSK_GEOM_EXTENT support for OLE DB provider.

 o Ensure shapefiles written with correct polygon ring winding direction
   plus various other shapefile support fixes.

 o GML read/write working reasonable well, including use of .gfs files.


GDAL 1.1.6 - Overview of Changes
--------------------------------

 o Add > 2GB file support on Linux 2.4.

 o Implemented USGS DEM reading.

 o Implemented BSB Format (Nautical Chart Format) read support.

 o Preliminary implementation of Virtual Datasets (gdal/frmts/vrt). 

 o Support for writing DTED files. 

 o Some raw formats (ie. PAux, HKV) support files larger than 2GB.

 o Add the AddBand() method on GDALDataset.

 o PAux: Added color table read support. 

 o Various fixes to OGDI driver.

 o Stripped out the GDALProjDef related capabilities.  Superceeded by
   OGRSpatialReference, and OGRCoordinateTransformation functionality.

 o Improved CEOS support, notable for ESA LANDSAT files, D-PAF ERS-1 and
   Telaviv ERS data. 

 o geotiff: upgraded libtiff support to approximately libtiff 3.5.7.

 o DGN: Added support for complex shapes, shapes assembled from many elements.
   Various other improvements.


OGR 1.1.6 - Overview of Changes
-------------------------------

 o Fixed OGDI driver so that gltp urls with drive letters work properly on 
   windows.

 o Many improvements to OLE DB provider during the process of making it 
   compatible with the MapGuide (SDP) client.  These include implementing
   restrictions for schema rowsets, treating missing information like WKT
   coordinate systems as NULL fields, and setting ISLONG on geometry fields.
   Also made thread safe. 

 o DGN: Threat SHAPE elements as polygons.  Set style information for text.
   Added 3D support for most elements. 

 o Fixed bugs in WKT format for some OGR geometry types (ie. multipoint).

 o Added support for morphing to/from ESRI WKT format for OGRSpatialReference.

 o NTF: Don't try to cache all the records from multiple files at once.

 o Added experimental XML SRS support ... not the final schema.  Added
   supporting "minixml" support to CPL.			

 o PostGIS: Upgraded to PostGIS 0.6.  Added "soft transaction" semantics.  
   Many create feature calls can now be part of one transaction.  Transactions
   are now a general OGR concept although only implemented for PostGIS. 

 o Added transform() and transformTo() methods for reprojecting geometries and
   added user options for this in ogr2ogr.

 o Very preliminary GML read/write support.  Needs Xerces C++ XML parser for
   read support. 

==============================================================================

GDAL 1.1.5 New Features
-----------------------

o AIGrid:
- Return nodata value.

o OGDI:
- Added format user documentation.
- Added Sub Dataset support.
- Utilize OGDI 3.1 style capabilities metadata.

o SAR_CEOS:
- Added support for Alaska SAR Toolbox naming convention.
- Read map projection record for corner GCPs.

o PNG Driver:
- read/write support for transparency via colortable and nodata value.

o Erdas Imagine (HFA) Driver:
- Added support for reading external large image files.
- Added support for uncompressed, but reduced precision blocks.

o GIF Driver:
- Added .wld world file support.
- Added transparency read support.
- Upgraded to libungif 4.x.

o JPEG Driver:
- Added .wld world file support.

o PAux Driver:
- Added limited gcp and projection read support.

o GeoTIFF Driver:
- Added specialized support for 1 bit files.
- Upgraded world file reading (added .wld files), use
GDALReadWorldFile().

o JDEM Driver is new (Japanese DEM format).

o FujiBAS Driver is new.

o ERMapper ECW Driver is new.

o GDAL Bridge: upgraded to include new entry points, like GCP access and
nodata api.

o gdal_translate: added the -not_scrict option.

o GDALGetRandomRasterSample(): Return magnitude for random samples.

o Added use of CPL_CVSID macro in most source files. Running the RCS ident
command on any GDAL executable or shared library should now give a listing
of most object file versions from which it was built.

o Various improvements so that static builds will work under Cygwin.

o Various improvements so that builds can be done on MacOS X.

o Overviews: Implement AVERAGE_MAGPHASE option for complex image overviews.

o Added support for sub datasets to gdalinfo, core api and OGDI raster driver.

o The size of the GDAL cache can now be overridden with the GDAL_CACHEMAX
environment variable (measured in MB).

o Added Driver implementation tutorial to documentation.

o Added apps/gdaltindex.c - application for building tile indexed raster
datasets suitable for use with UMN MapServer.


GDAL 1.1.5 Significant Bug Fixes
--------------------------------

o SAR_CEOS:
- Don't try to get GCPs from scanlines with no prefix data.

o GeoTIFF:
- Fixed handling of RGBA band ordering on big endian systems.
- Fixed bugs in overview generation, especially when updating in place.

o gdal-config should work properly in all situations now.

o JPEG Driver: improved magic number tested to avoid ignoring some jpeg files.

o FITS Driver: lots of fixes and improvements.


OGR 1.1.5 New Features
----------------------

o Implemented support for attribute query filters (SetAttributeFilter())
on OGRLayer, provided SWQ based implementation, plugged into all
drivers and added hooks to ogrinfo.

o MapInfo Driver:
- Added accelerated spatial query support.
- Upgraded to current MITAB source as of GDAL release date.

o S-57 Driver:
- Added support for applying S-57 updates automatically.

o SDTS Driver:
- Added ENID and SNID to line features.
- Return coordinate system in WKT instead of PROJ.4 format.

o Shapefile Driver:
- Auto determine shapefile type from first object written.
- Added good support for NULL shapes, and NULL attribute fields.
- Added support for .prj files (read and write).

o PostgreSQL Driver:
- Added PostGIS support.
- Pass attribute queries through to PostgreSQL.

o NTF Driver:
- Added support for GTYPE 5 geometries (a type of arc).
- Added support for GEOMETRY3D records in indexed (generic) datasets.

o TIGER/Line Driver:
- Added write support.
- Improved read support for TIGER 2000.

o OLE DB Provider:
- Added support for spatial queries via ICommand parameters.
- Added support for attribute queries by parsing out WHERE clause.
- In general substantial rework and extentions were made to make it
work with ESRI and AutoDesk clients.

o Added gdal/data/stateplane.txt - a test file with one line per state plane
zone for applications wanting to present options to users.

o Install ogrsf_frmts.a on install if building with OGR support enabled.

o Reports layer extents in ogrinfo.

OGR 1.1.5 Significant Bug Fixes
-------------------------------

o OGRSpatialReference:
- Fix bug with extracting linear units from EPSG derived definitions.
- Fixed bug translating LCC from EPSG to WKT (importFromEPSG()).
- Improved IsSame() test for GEOGCS now.
- Fixed crash if PROJECTION missing from PROJCS definition.

o S-57:
- Improve recovery from corrupt line geometries.
- Read objects as generic if the object class is not recognised.
- Handle LIST attributes as a string, instead of as a single int.

o NTF:
- Fixed circle conversion to polylines to close the circle properly.
- Upped MAX_LINK to 5000 to handle much more complex geometries.

o DGN:
- Don't include elements with the complex bit set in extents
computations.

o OGRGeometry:
- Fixed WKT format (import and export) for various container types.
- WKT import fixed for coordinates, and Z coordinates.
