The changes are fully described at
http://trac.osgeo.org/gdal/wiki/Release/1.8.0-News
However, the following are the highlights.
In a nutshell:
* New GDAL drivers : GTX, HF2, JPEGLS, JP2OpenJPEG, JPIPKAK,
KMLSUPEROVERLAY, LOS/LAS, MG4Lidar, NTv2, OZI, PDF, RASDAMAN,
XYZ
* New OGR drivers : AeronavFAA, ArcObjects, GPSBabel, HTF, LIBKML,
MSSQLSpatial, NAS, OpenAir, PDS, PGDump, SOSI, SUA, WFS
* Significantly improved OGR drivers : DXF, GML
* New implemented RFCs:
o RFC 7: Use VSILFILE for VSI*L Functions
o RFC 24: Progressive data support in GDAL
o RFC 28: OGR SQL Generalized Expressions
o RFC 29: OGR Set Ignored Fields
o RFC 30: Unicode Filenames
o RFC 33: GTIFF - Corrected !PixelIsPoint Interpretation
* New utility : gdallocationinfo
Backward compatibility issues:
* MITAB driver: use "," for the OGR Feature Style id: parameter
delimiter, not "." as per the spec. Known impacted application:
MapServer?
* RFC 33 changes the way PixelIsPoint? is handled for GeoTIFF
* GML driver: write valid <gml:MultiGeometry> element instead of
the non-conformant <gml:GeometryCollection>. For backward
compatibility, recognize both syntax for the reading part
* Fix handling of ERMapper spherical coordinate systems
* Fix comparison of units of coordinate systems
* C#: Fix GDAL_DMD_ and GDAL_DCAP_ constants
* C#: Don't mark class BeforeFieldInit causing CLR4 crash
* C#: Use the .NET Framework 2.0 transparency rules (level 1 transparency) for
the VC2010 builds
* Python: Fix indentation problem with GCP serialize method
* Make CPL_INLINE compatible with SunPro 11 and 12 compilers
* Override EPSG:4179 (Pulkovo 1942(58)) and EPSG:4258 (ETRS89) to add towgs84
transform for Polish CRS
* SWIG bindings : initialize return values of GetRasterStatistics?()
* configure/libtool/etc regenerated with newer versions.
* Fix definition of CPL atomic function with CPL_INLINE undefined
* Clean out remnants of old generation python support in configure
* Fix build problems on systems with 64bit pointer and 32bit long
* C#: Fixed ambiguous reference to SpatialReference in C# sample apps
* C#: Fix crash on memory release of string from ExportToWkt()
* Java: Handle transparency better in color tables
* Python 2.x/3.0 compatability fixes for scripts
* Python fixes for numpy array io
* stateplane.csv updated for Kentuky and California fixes
The 1.7.1 release was prepared and issued primarily to deal with ticket 3382,
relating to the fact that GDAL 1.7 has had a significant regression in that
all Erdas Imagine (HFA/.img) files produced are unreadable by non-GDAL software
including released versions of ArcGIS and Erdas Imagine. Following is a list
of all bug fixes since the 1.7.0 release.
== General ==
* MacOS X: Support versioning for framework builds
* FreeBSD: fix --with-threads configuring
== GDAL / Raster ==
* HFA/Imagine: Fix very serious 1.7 bug with blank layer names which was
producing .img files unreadable in non-GDAL software
* HFA: Ensure nodata values carried into overviews
* HFA: Fix support for files with nonstandard mapunits
* NITF: Improve NITF spec compliance when generating JPEG compression
* NITF: Improve dateline handling for CADRG products
* NITF: Return GCPPROJECTIONX metadata when we can't transform polar
* GeoRaster: Avoid error messages when looking up epsg codes
* DODS / GDALCopyWords(): Fix bug with negative offsets/flipping
* PCIDSK: Fix new bug with UTM MGRS zone handling
* PDS: Fix up offset support for detached labels
* gdal_merge.py: support per band init values
* ECW: Fix one broken case in configure logic
* RasterLite: Fix crash on 32bit platforms
* NetCDF: Prevent CreateCopy() of complex bands
* HDF4: Fix buffer overflow with GeodeticLatitude
== OGR / Vector ==
* SQLite: TestCapability() returns TRUE for transation support
* DXF: Support polylines in Object Coordinate System
* MIF/ogr2ogr: Fix new problem translating to MIF format
* GeoJSON: Support stdout output via new /vsistdout/ name
* Shapefile: Fixes for winding calculations on read and write
* Postgres: Get field width and precision from SQL queries
* r13533 (ogr postgis plugin) have been added to the stable branch only
* GRIB detection not thread safe
* Bug fixes
Changes 1.6.2:
* OGR expression parser causes access violations with large expressions
* OGR cannot open/handle .DBF files > 2 GB
* crash in cpl_vsil_win32.cpp when compiling as x64 under Windows
* create index sql execute problem
* GTiffDataset::FlushCache() cause crashes when used just after dataset creation
* GDALDefaultOverviews::BuildOverviews() causes out-of-bounds writes for a
1x1 dataset
* gdaladdo crashes on a 16-bit dataset when external overviews are requested
to have JPEG compression
* Corrupt EXIF info can cause stack buffer overflow in JPEG driver
This changes the buildlink3.mk files to use an include guard for the
recursive include. The use of BUILDLINK_DEPTH, BUILDLINK_DEPENDS,
BUILDLINK_PACKAGES and BUILDLINK_ORDER is handled by a single new
variable BUILDLINK_TREE. Each buildlink3.mk file adds a pair of
enter/exit marker, which can be used to reconstruct the tree and
to determine first level includes. Avoiding := for large variables
(BUILDLINK_ORDER) speeds up parse time as += has linear complexity.
The include guard reduces system time by avoiding reading files over and
over again. For complex packages this reduces both %user and %sys time to
half of the former time.
The package now has a mysql option in addition to the default pgsql.
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.
and add a new helper target and script, "show-buildlink3", that outputs
a listing of the buildlink3.mk files included as well as the depth at
which they are included.
For example, "make show-buildlink3" in fonts/Xft2 displays:
zlib
fontconfig
iconv
zlib
freetype2
expat
freetype2
Xrender
renderproto
