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qgisprocess (development version)

qgisprocess 0.4.1

Fix for non-UTF-8 locales

  • Don't set encoding = "UTF-8" in some processx::run() calls that used that setting. This adds support for {qgisprocess} in non-UTF-8 locales (#219).

qgisprocess 0.4.0

Enhancements

  • Speed up various calls to the qgis_process backend by automatically implementing --skip-loading-plugins where possible (#201). This benefits package startup time and the timing of qgis_run_algorithm(), qgis_show_help(), and several other functions. This feature needs QGIS >= 3.36.
  • Add new vignettes (#213):
    • vignette("qgis_arguments"): passing R objects as algorithm arguments.
    • vignette("options"): configuration with options or environment variables.

Minor changes

  • Don't renew the package cache when no plugins were successfully enabled or disabled (#212).
  • Update the 'getting started' vignette (#206, #207):
    • advise to use qgis_search_algorithms().
    • in QGIS >= 3.36 the GRASS GIS provider is called grass instead of grass7.

qgisprocess 0.3.0

Enhancements

  • QGIS or third-party providers can expose deprecated algorithms that may be removed from future versions. {qgisprocess} now handles these algorithms explicitly (#198):
    • qgis_run_algorithm() and other functions (such as qgis_show_help() and qgis_get_description()) will warn if a deprecated algorithm is passed (issues #193, #194).
    • qgis_search_algorithms() now excludes deprecated algorithms by default; they can still be included by setting the include_deprecated argument to TRUE.
    • qgis_algorithms() can optionally restrict its results to non-deprecated algorithms (set the include_deprecated argument to FALSE). By default they are included, just as before.
  • More consistent and intuitive handling of JSON input / output user settings (#195, #196; see ?qgis_using_json_output).

Fixes

  • Fix bug in support for environment variable R_QGISPROCESS_DETECT_NEWER_QGIS (#197).
  • Fix unit test to comply with {terra} > 1.7-65 (#202).

qgisprocess 0.2.0

New features

  • Add vector support for {terra} (#184). This makes it possible to use SpatVector or SpatVectorProxy objects as input arguments, and to coerce processing results to SpatVector or SpatVectorProxy.
  • qgis_detect_windows_paths() and qgis_detect_macos_paths() put paths at the top that contain a QGIS version string and these paths are sorted according to decreasing QGIS version (#189). This lets qgis_configure() select the newest QGIS version among qgis_process file paths that have a version string. Furthermore, a wrapper qgis_detect_paths() has been added that works on both Windows and macOS (#192).

Minor changes

  • Allow half-configured states with abundant messages, so that remaining functionality can be used in debugging or even for some real stuff (#177).
  • qgis_run_algorithm() documentation gains a section on QGIS models and scripts (8a20669).
  • An option qgisprocess.detect_newer_qgis is available (mirrored by environment variable R_QGISPROCESS_DETECT_NEWER_QGIS) for Windows and macOS (#192). If set as TRUE, during package loading {qgisprocess} will check whether a more recent (standalone) QGIS version is also installed while the package cache still dictates to use an older version. In this specific scenario a question will be asked to switch to the newer version. Without setting this option default behaviour remains in place, i.e. the user must manually intervene either by running qgis_configure(), by setting the qgisprocess.path option, or by uninstalling the older QGIS version.
  • Solve a CRAN check error on r-oldrel-macos-x86_64, by adding support for {stars} 0.5-5 (#175).

qgisprocess 0.1.0

  • Initial CRAN release.
  • While the package incubated as a development version for a few years, quite a few namespace changes have been made more recently (#153). Old function names still work but these are deprecated. They will be dropped at a later stage.