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Please note that rgdal will be retired during 2023, plan transition to sf/stars/terra functions using GDAL and PROJ at your earliest convenience (see https://r-spatial.org/r/2023/05/15/evolution4.html and earlier blogs for guidance).

Version 1.6-7 (development, rev. 1202-)

  • Make retirement in October 2023 explicit, move package start-up messages to load from attach

Version 1.6-6 (2023-04-18, rev. 1200-1201)

  • add SharpYuv condition in src/Makevars.ucrt

Version 1.6-5 (2023-03-02, rev. 1198-1199)

  • Upgrade CXX11 to CXX17 (may cause problems for archaic OS)

Version 1.6-4 (2023-01-12, rev. 1188-1197)

  • Update GridsDatums data set

  • Warn if retracted GDAL 3.6.0 is being used

  • Update makevars.ucrt to Rtools 4.3

Version 1.6-3 (2022-12-14, rev. 1184-1187)

  • CRAN error in possibly writing outside tempdir

  • CRAN error in printing stored stale sessionInfo() output in vignette

Version 1.6-2 (2022-11-09, rev. 1177-1183)

  • deprecation of project(), CRSargs(), asSGDF_GROD(), readGDAL(), writeGDAL(), create2GDAL(), showWKT(), showEPSG(), readOGR(), ogrFIDs(), ogrInfo(), ogrDrivers(), writeOGR(), ogrListLayers(), GDALinfo(), print.GDALobj(), GDALcall(), rawTransform(), OGRSpatialRef() in favour of functions and methods ib sf and terra.

  • handle -Wstrict-prototypes int main() to int main(void) in configure.ac

  • update src/Makevars.ucrt to upgraded MXE geospatial libraries

  • address r-spatial/sf#2009 in src/Makevars.ucrt

  • set PROJ4 warnings default to "none"

  • fix -Wstrict-prototypes warnings in code

Version 1.5-32 (2022-05-09, rev. 1173-1176)

  • update src/Makefile.ucrt to accommodate the GDAL raster Geospatial PDF driver for reading

Version 1.5-31 (2022-04-18, rev. 1172)

  • unescape underscores in help pages

Version 1.5-30 (2022-04-08, rev. 1166-1171)

Version 1.5-29 (2022-03-15, rev. 1159-1165)

  • also convert BOUNDCRS to PROJCRS by default in OGRSpatialRef() and getProjectionRef()

  • test for chunks table in cache.db in vignette

  • quietening tests only differing by proj.db version.

Version 1.5-28 (2021-12-15, rev. 1157-1158)

  • Adapting to R 4.2 Windows UCRT

Version 1.5-27 (2021-09-16, rev. 1149-1156)

  • Correcting logic error in check for MXE UCRT builds (temporary)

Version 1.5-26 (2021-09-15, rev. 1141-1148)

  • Mute use of PROJ CDN for MXE UCRT builds (temporary)

  • Run autoupdate on configure.ac to handle obsolete AC_HELP_STRING etc.

Version 1.5-25 (2021-09-08, rev. 1122-1140)

  • Add environment variable access to --with-data-copy by PROJ_GDAL_DATA_COPY (r-spatial/sf#1605)

  • Adaptations for PROJ 8.

  • Handle mixed 2D/3D in readOGR(): (r-spatial/sf#1683)

  • Add tweak for UCRT builds.

  • Thin examples for spTransform().

Version 1.5-23 (2021-02-03, rev. 1120-1121)

  • Further fallout after removing valgrind issues.

Version 1.5-22 (2021-02-02, rev. 1106-1119)

  • Attempt to remove further valgrind leak in proj6.cpp: PROJcopyEPSG() and in ogr_proj.cpp, both wrongly placed object destructors.

  • Modified roundtripping all declared projections in ?project examples because some listed projections for PROJ >= 5 provoke valgrind leakages by returning very large out-of-scope values for input coordinates (0, 0); inversion of these is not attempted; some listed projections are not projections.

Version 1.5-21 (2021-01-27, rev. 1093-1105)

  • Suggest rgeos to write pre-SFS multipolygon objects to avoid unpleasant workaround.

  • Try to eliminate current valgrind leaks, starting from (r-spatial/gstat#82).

  • Try to increase robustness to installation with early PROJ 6 versions, which often lack functionality found necessary later (for example visualization order); the code had assumed that this function always was available and behaved as it now does. There are now graceful failures when not available.

Version 1.5-19 (2021-01-05, rev. 1083-1092)

Version 1.5-18 (2020-10-13, rev. 1071-1082)

  • condition tests/test_enforce_xy.R on PROJ >= 6 and GDAL >= 3 (email BDR, I forgot to re-check with PROJ-5.2.0/GDAL-2.2.4).

  • Adaptation to EPSG 10 database format started (from PROJ 7.2); choose DB columns by name not number in vignette.

Version 1.5-17 (2020-10-08, rev. 1051-1070)

  • "CRS" instantiation now prefers PROJ: use rgdal::set_prefer_proj(FALSE) to return to earlier behaviour. It seems that access from C/C++ code to mechanisms in PROJ offers more depth than going through GDAL to PROJ. This "CRS" instantiation in sp and raster; Proj4 and WKT2 strings may differ depending on whether instantiation is straight from PROJ or goes via GDAL. Confirmed with multiple reverse dependency checks over almost 900 CRAN packages.

  • By default use PROJ function to extract the source CRS from a "BOUNDCRS". When +towgs84= is given, PROJ and GDAL see the apparent source Proj4 string as implicitly implying a coordinate operation transforming to target WGS84, leading to the WKT2 representation being a "BOUNDCRS", not a "PROJCRS" or "GEOGCRS", and thus causing misunderstandings later in searching for the most accurate coordinate operation for a transformation. May be controlled by setting the get_source_if_boundcrs= in sp::CRS() from sp 1.4-4 (2020-10-07). Confirmed with multiple reverse dependency checks over almost 900 CRAN packages.

  • Add support for instantiating from "OGC:CRS84" to provide a guaranteed GIS/visualization axis order WGS84 instantiator (preferred to "EPSG:4326").

  • Permit empty string in SRS_string= argument to sp::CRS() and functions called by it.

  • Use GDAL ORSIsProjected() instead of simply looking for "+proj=longlat" in the Proj4 string representation where possible.

Version 1.5-16 (2020-08-07, rev. 1047-1050)

  • Typo in C code; use try() around Area-of-Interest calculation for coordinate operations (email BDR, I forgot to re-check with PROJ-5.2.0/GDAL-2.2.4).

Version 1.5-15 (2020-08-04, rev. 1020-1046)

Version 1.5-12 (2020-06-26, rev. 1007-1019)

  • Further corrections to configure.ac for older PROJ/GDAL versions

Version 1.5-10 (2020-06-09, rev. 991-1006)

  • Corrections to configure.ac for older PROJ/GDAL versions

Version 1.5-8 (2020-05-28, rev. 846-990)

  • Released to match sp 1.4.0 (2020-02-21) to 1.4-2 (2020-05-20) following months of development adapting to breaking changes in the external libraries used here: PROJ and GDAL; see also https://cran.r-project.org/web/packages/sp/news.html.

  • Expose options("rgdal_show_exportToProj4_warnings"="none") to mute Proj4 string degradation warnings.

  • Add new vignette https://cran.r-project.org/web/packages/rgdal/vignettes/CRS_projections_transformations.html.

  • CRAN Windows binary uses PROJ >= 6 and GDAL >= 3

  • Add PROJ-based CRS comparison: compare_CRS().

  • project() and spTransform() use WKT2 comment if available, fallback to Proj4 representation if not.

  • List coordinate operations (based on pyproj code): list_coordOps().

  • Add enforce_xy= arguments to try to ensure that only GIS/visualization axis order is present.

  • Add "CRS" object comment carrying WKT2 (2019) multiline string representation on read operations.

  • Use "CRS" object comment carrying WKT2 (2019) multiline string representation on write operations.

Versions 1.4-7 and 1.4-8

  • Fixed configure issue for R 4.0.0

  • Fixed length of class() errors for matrices becoming arrays in R 4.0.0

Version 1.4-6 (Final pre-WKT2 release)