[PROJ] PROJ 9.4.0RC1 & PROJ-data 1.17RC1

[Kristian Evers]

All,

in preparation for a new round of PROJ and PROJ-data release I have uploaded release candidates for both packages.

Download the archives here: 

https://download.osgeo.org/proj/proj-9.4.0RC1.tar.gz
https://download.osgeo.org/proj/proj-9.4.0RC1.zip

https://download.osgeo.org/proj/proj-data-1.17RC1.tar.gz
https://download.osgeo.org/proj/proj-data-1.17RC1.zip

The PROJ release includes various updates and bug fixes. See the release notes below.

The PROJ-data release comes with the following changes:

* New revisions of chartdatum Norway v2023b
* Added fr_ign_RAC23.tif grid for France-Corsica NGF-IGN 1978 to RGF93-2b
* New DVR90 grids added to reflect recent EPSG-changes that now supports all realizations of the Danish height system
* Added Czech geoid model CR-2005
* Added Portuguese geoid model GeodPT08

Please test the release candidates and report any issues you may find with them.
Either here on the mailing list or on GitHub.

/Kristian

—————————————

9.4.0 Release Notes
-------------------

 Updates
 -------

 o Add support for transformations involving coordinate epoch changes
   (PointMotionOperation), specifically for Canadian NAD83(CSRS)(#3884)

 o SSL_OPTIONS: set SSL options on Curl library (#3936)

 o Add support for unity builds (#3962)

 o Added ability to install *.tif if present in data (#3970)

 o createOperationsCompoundToGeog(): tune selection logic
   when --grid-check known_available is specified (#3990)

 o Increase CMake minimum version from 3.9 to 3.16 (#3997)

 o CMake: use FetchContent to get googletest-1.12.1 (#4006)

 o CMake: Replace custom FindSqlite3 with FindSQLite3 built-in (#4007)

 o tpeqd: use numerically stable formula for computing the central angle
   from (phi_1, lam_1) to (phi_2, lam_2) (#4009)

 o Move content of proj_experimental.h to proj.h (#4019)

 o Add +proj=mod_krovak projection method for Modified Krovak that
   applies to S-JTSK/05 in the Czech Republic (#4021)

 o PROJString formatter optimizer: simplify pipelines doing
   [Modified]Krovak (South West) <--> [Modified]Krovak (East North)
   by just doing an axis swap (#4034)

 o +proj=gridshift: enhance to support grids referenced in projected CRS,
   and with easting_offset/northing_offset corrections (#4038)

 o Tune concatenated operation instanciation, reference CR2005 geoid for
   Czechia and add (disabled by default) records for Czechia S-JTSK/05 based
   transformations (#4044)

 o Database: update to EPSG v11.004 (#4062)

 Bug fixes
 ---------

 o Fix missing symbols at link time for Windows target in Visual Studio (#3984)

 o Improve error message in axisswap (#3975)

 o Avoid convergence errors in +proj=gridshift when using biquadratic
    interpolation (#3985)