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NEWS
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4.9.0 Release Notes
-------------------
o Implement CMake as an option for building PROJ.4
o Implement new virtual file api (projFileAPI) so that all access to grid
shift and init files can be hooked.
o Replace geodesic implementation with one from Charles Karney and add a
supported public interface (geod_interface.h).
o Upgraded to EPSG 8.5.
o Removed old (deprecated) Java bindings in favor of the new api introduced
in 4.8.0.
o Implement the calcofi (Cal Coop Ocean Fish Invest Lines/Stations) projection
o Install projects.h again for applications that want access to internal
structures and functions despite the inherent fragility.
o Various bug fixes and cleanup.
4.8.0 Release Notes
-------------------
o Added the Natural Earth projection.
o Added HEALPIX, rHEALPIX and Icosahedral Snyder Equal Area projections.
o nad2bin now produces "CTable2" format grid shift files by default which
are platform independent.
o nad2nad removed, use cs2cs for datum shift operations.
o projects.h no longer installed as a public include file. Please try to
only use proj_api.h.
o Add pj_get_spheroid_defn() accessor.
o Added an alternate version of pj_init() that takes a projCtx (execution
context) structure to address multithreading issues with error management
and to provide a support for application hookable error reporting and
logging.
o Upgrade to EPSG 7.9. Some changes in ideal datum selection.
o JNI bindings reworked, org.proj4.Projections deprecated in favor of
org.proj4.PJ.
o Added preliminary vertical datum support.
o Fix various multithreading issues, particular in datum grid handling code.
o Added support for the +axis= option for alternate axis orientations as
part of a coordinate system (used for TM South Orientated support).
o +proj=omerc implementatioin replaced with code from libproj4. +rot_conv
flag no longer works, and some coordinate systems (ie. Malaysian) will
need to use +gamma instead. "epsg" init file updated accordingly.
4.7.0 Release Notes
-------------------
o Added in memory caching of init file search results for substantial
acceleration in some application environments (like MapServer).
o Regenerated nad/epsg init file with EPSG 7.1 database, including new
support for Google Mercator (EPSG:3857).
o Various thread safety improvements, including preliminary support for
a mutex lock around some operations, like grid loading.
4.6.1 Release Notes
-------------------
o Upgraded to EPSG 6.17 version for nad/epsg. Also corrected the precision
problem introduced in the last version.
o Added logic for tmerc projection to fail rather than return crazy results
if more than 90 degrees away from the central meridian (#5). This change
may only be temporary till a more comprehensive solution is found.
o Fixed handling of extra text in cs2cs.
o Renamed INSTALL to INSTALL.TXT.
o The eqc projection has been generalized to include a latitude of origin.
o Added the glabsgm (Gauss Laborde / Sphere Geometric Mean) projection,
and gstmerc variation.
o nad/IGNF init catalogue created.
o added the ntf_r93.gsb datum shift file.
o Add /Op in nmake.opt compile options to avoid VC7 optimization bug (#12)
o Fix testvarious test script so it works properly when grid files available
4.6.0 Release Notes
-------------------
o MAJOR: Rework pj_transform() to avoid applying ellipsoid to ellipsoid
transformations as a datum shift when no datum info is available.
o Avoid applying "change of ellipsoid" during datum shifting based on
ellipsoids getting changed to spheres for spherical projections.
o Upgrade to EPSG 6.13
o Added "900913" "Google Mercator" code in nad/esri.extra.
o Avoid some static variable based multi-threading problems.
o Improve error recovery if ctable style datum shift grid fails to load.
o Support drive letters properly in PROJ_LIB paths for win32.
o Fix occasional problem with DMS parsing.
o Removed non-functional mpoly projection.
o add lonlat, and latlon as aliases for longlat.
4.5.0 Release Notes
-------------------
o Microsoft Visual Studio 8 compatibility changes.
o Upgraded to EPSG 6.11.1 database.
o Several bug fixes to pj_transform() to handle transient errors properly.
o Fix Krovak projection (include +czech flag)
o Added Roussilhe Stereographic projection from libproj4 (proj=rouss).
o Added experimental +lon_wrap flag for alternate pj_transform() longitude
wrapping behavior on output.
4.4.9 Release Notes
-------------------
o Win32 build uses proj.dll by default now.
o Added accessor functions for the datums, ellps, prime_meridians, units and
main projection definition lists so they can be used on windows where
data objects exported from the DLL don't work easily.
o Added JNI (Java Native Interface) support within the jniwrap directory,
and some supporting entry points directly in the proj dll/so. See
--with-jni configure switch, and jniwrap/README.
o Added the proj=stereoa and proj=geos projections, incorporated from
Gerald's libproj4.
o A few other bug fixes.
4.4.8 Release Notes
-------------------
o Updated epsg file to EPSG 6.5, added other.extra pseudo-EPSG WMS definitions
o Made significant fixes to prime meridian support.
o Substantially change pj_datum_transform(), so it and pj_transform() will
work between coordinate systems with different ellipsoids but no datum
shift information (assume +towgs84=0,0,0).
o Added pj_get_release() function.
o Ensure pj_transform() will try to transform all points in provided list if
even some might transform properly.
o Improved the accuracy of Geocentric_To_Geodetic() via an iterative
solution.
o Various other bug fixes.
4.4.7 Release Notes
-------------------
o Added NTv2 (.gsb) grid shift file support.
o Modified datum shift support so that data file data is only loaded if
needed. Also added 'null' grid as a fallback option, and support for
making grids optional (prefix with '@' in +nadgrids).
o Regenerated nad/epsg file with towgs84 parameters for non-greenwich prime
meridians.
o Updated nad/esri file with better generated form from Paul Ramsey.
o Various bug fixes.
4.4.6 Release Notes
-------------------
o Incorporated new lcca (Lambert Conformal Conic Alternate) projection from
Gerald.
o Updated 'espg' translation file for EPSG 6.2.2 with better support for
prime meridians.
o Added Prime Meridians via +pm command switch to cs2cs (and pj_transform).
o Fixed bug with 7 parameter transforms.
o Added 'esri' pseudo-epsg coordinate system file.
o Cleanup so that PROJ.4 compiles clean as C++ code.
o Added pj_get_def() to expand definitions of stuff like +init clauses.
o Added a Krovak implementation (proj=krov). Note this may change again
in the next release.