                        Changes in version 0.8.0                        

  - Major speed up to windfiles() temporal expansion.

  - Fixed 'read_leads_clim_north' which georeferenced to the wrong
    hemisphere ...

  - polar_map() was removed.

  - Update sstfiles and readsst for monthly to use new file.

  - Make fasticefiles native to raadtools.

  - Added Park fronts to 'frontsmap()'.

  - Some more doc in places.

  - New function read_chla_daily() for use with extract().

  - Added a consolidated CITATION for raadtools, blueant, and bowerbird.

  - ocfiles() now sets type to "L3m" by default (was L3b), and varname
    to "CHL" (was RRS).

  - readtopo() now defaults to GEBCO 2023.

  - Replace old form of time_since_melt with fancy new duckdb process
    and checked it's working with extract().

  - Fixed matching files bug for 8 day intervals.

  - Fixed readCHL_month() to work with extract.

  - Modified time delta for matching files to "monthly".

  - Now reading GHRSST COGs, so using terra internally to ensure data is
    scaled correctly. Now dep on raadfiles 0.1.4.9003.

  - Add nuyina data set.

  - This package now does the date/band expansion for SOSE (to help free
    raadfiles from dependencies), fasticefiles() is no longer exported
    but there is a new function fraser_fasticefiles() to get the files.

  - readchla() now returns a mean from all input dates, and no longer
    supports Johnson alg.

  - Fix readcurr.

  - NSIDC netcdf files needed to disable 'rescale'. We don't currently
    control that.

  - New scheme for NSIDC netcdf files. We now use these directly,
    there's no use for 'vrt_dsn'. Now depending on raadfiles 0.1.3.9041,
    in raadfiles the dates are culled to be distinct. Here the empty
    dates (no variable exists in the shell netcdf), we remove those in
    icefiles().

  - raadtools now imports package {reproj}, fixes #135.

  - New function read_par() contributed by Kimberlee Baldry @KimBaldry.

  - Removed rgeos and maptools.

  - Removed rgdal imports, replaced with raster and reproj.

*Function readice() has been expanded to allow 'hemisphere = "both"' and
for 'xylim' to be a full raster grid (terra or raster format). If 'both'
is specified the warper is applied to VRT versions of the NSIDC files,
which allows them to be combined in one reprojection step. In this case
'xylim' can be specified, to give a projected grid of any form. If not
supplied (when hemisphere = 'both') then longlat raster at 0.25 degrees
is assumed.

  - New function read_ccmp() and ccmp_files() for RSS Cross-Calibrated
    Multi-Platform Ocean Surface Wind Project.

  - Function topofile() now returns VRT-augmented text for some sources
    where missing metadata needs to be added, not always just a file
    path.

  - Function readtopo() and readbathy() now accept terra::ext or
    raster::extent or just numeric objects for 'xylim'. Alternatively
    these can be a terra SpatRaster or a raster BasicRaster
    (RasterLayer, RasterBrick, or RasterStack) as a template target
    raster for crop and resize, or reprojection to new raster grid. The
    'resample' argument controls the kind of sampling when regridded or
    warped. (i.e. if xylim is extent, you get crop(), if it's a grid,
    you get it remodelled to the grid. extent doesn't need crs, grid
    does).

  - Now using imports from terra and vapour, primarlily for topofile()
    and readtopo() for now.

  - readtopo() and topofile() source "ga_srtm" is no longer available
    (better done with NASADEM_be and gdal warp anyhow). Also
    "george_v_terre_adelie" and "srtm" no longer available.

  - Fixed documentation for units in surface currents, thanks Ryan
    Reisinger. #117

  - New function query_grid() to build a query data frame for
    extract(function, ...) workflows.

  - New function readCHL_month() to read NASA's monthly CHL files.

  - New function table_vgos() to read surface current values as a data
    frame.

  - readcurr() and other altimetry read functions now behave
    consistently for use of 'lon180', default is Atlantic view but can
    be set to FALSE to give Pacific view (and behaves correctly no
    matter the source file arrangement). The other functions include
    readssh(), read_sla_daily(), read_ugosa_daily(), read_vgosa_daily(),
    read_ugos_daily(), read_vgos_daily(), read_err_daily().

  - New data set stations with locations of Mawson, Davis, and Casey.

  - New functions read_amsre_ice(), read_amsr2_ice(),
    read_amsr2_3k_ice() to round out read of AMRS2 and AMSRE at 6km
    and 3km resolutions using new file list functions from raadfiles.

  - AMSR read ice functions now correctly apply xylim argument.

  - Lead frequency functions read_leads_clim(), read_leads_north_clim(),
    read_leads_south_clim().

  - raadtools now imports new CRAN package xyt.

                        Changes in version 0.6.0                        

  - Updated 'kerguelen' topo to revised version (2019).

  - Function readfastice() now defaults to the 2020 updated circumpolar
    files.

  - Now importing fasticefiles() from raadfiles.

  - Align to updated raadfiles (0.1.3.9006) for new OISST file paths.

                        Changes in version 0.5.5                        

  - readamps_d1wind() now correctly read the right bands. New function
    readamps_d2wind() to read the d2 grid.

  - Bit of a clean up around AMPS and Copernicus documentation.

  - New function read_cersat_ice() for 12.5 km SSM/I.

  - New function read_geoid() to read geoid.

  - New function read_sose() to read SOSE Southern Ocean State Estimate
    layers by level and date, no capacity for xylim or multiple dates
    (only monthly for now). Explore available variables with
    sose_monthly_varnames() and available files with
    'raadfiles::sose_monthly_files()'.

  - Add SMAP functions salfiles() and readsal() for surface salinity.

  - Fixed longstanding bugs in several functions that treated latest =
    TRUE as an override of the date argument. The latest argument now
    only applies if date is missing. Thanks to @maierhofert
    https://github.com/AustralianAntarcticDivision/raadtools/issues/96.

                        Changes in version 0.5.2                        

  - Add GEBCO 2019 "gebco_19" topography.

  - readchla() is now parallelized with furrr, and includes a grid
    specification argument

  - distance_to_ice() and distance_to_ice_edge() now include the date on
    the output and are strictly not vectorized.

  - new function readfsle.

                        Changes in version 0.5.0                        

  - Removed dependency on 'sosoc/croc' package, by internalizing the
    imported functions.

  - Now using new raadfiles approach.

  - New function to return polar coastline with 'polar_map' function.

  - First parts of REMA data now available from readtopo, with
    "rema_8m", "rema_100m" and read_rema_tiles (the 8m index).

  - AMPS data now supports basic access for 10km "d2" files, with
    amps_d1files moved to raadfiles.

  - Fixed the grid specification for d1 AMPS (and added d2).

  - New topo option "ga_srtm" for the Australian 1-second DEM (~30m),
    file available only on nectar for now.

  - New readice_area function for "NSIDC SMMR-SSM/I Nasateam sea ice
    concentration".

  - Topography readtopo and topofile gain topo = "ramp" option for
    Radarsat Antarctic digital elevation model V2, elevations relative
    to the the OSU91a geoid.

  - Topography functions readtopo and topofile now support topo =
    'ibcso_is' and topo = 'ibcso_bed' for the ice surface and bedrock
    versions respectively. The default 'ibcso' remains synonomous with
    'ibcso_is'.

  - "cryosat2" and "lake_superior" added to readtopo

  - establish readice_daily and readice_monthly model for future
    separation

  - re-instated monthly NSIDC north and south hemisphere

  - now use raadfiles for AMPS

  - readchla returns, now providing MODISA/SeaWiFS at native mapped
    resolution for a given set of input dates (the mean is calculated
    from the daily L3 bins) for either 'nasa' or 'johnson' algorithm

  - removed prod files

  - read rapid response is not fixable in place, but now uses the
    raadfiles-like approach

  - read functions now default to latest = TRUE rather than returning
    the first available time

  - readssh and sshfiles are now only daily, using the Copernicus
    sources

  - new function read_amsr_ice to read the 6.25km southern hemisphere
    product

  - readcurr/currentsfiles now uses new Copernicus source

  - readice/icefiles now limited to daily NSIDC and using raadfiles

  - readsst/sstfiles now uses raadfiles mechanism

  - import from raadfiles for NCEP2 wind 6hourly files, removed the
    daily option for now

  - now import from raadfiles for NSIDC monthly files, fixes bug
    https://github.com/AustralianAntarcticDivision/raadtools/issues/54

  - modified AMSR-E Artist sea ice data location as per
    https://github.com/AustralianAntarcticDivision/raadtools/issues/52

  - new Copernicus source for altimetry products from
    ftp.sltac.cls.fr/Core/ provided by new functions
    read_ugosa_daily,read_adt_daily, read_ugos_daily, read_sla_daily,
    read_vgos_daily, read_vgosa_daily, read_err_daily

  - speed up for extract(function, xyt)

                        Changes in version 0.4.0                        

  - a sensible value (4e9) for raster maxmemory is set on startup which
    means that fewer temp files will be created unnecessarily

  - extract(fun, xyt) now more efficient

  - now imports orsifronts rather than using old bespoke copies

  - startup is now much more robust

  - raadtools now imports raadfiles, for OISST and GHRSST files

  - raadtools::sstfiles() and c. now works without attaching the package

  - ghrsst gains inputfiles, and is now useably fast for track
    extraction

  - AMSR2 is back (per readice(product = "amsr")) and the file listing
    now relies on RSQLite via dplyr and is quite a bit faster

  - change approach for readsst, to err on side of memory use

  - add distance to ice function

  - add metadata for AMPS data, and new general readamps function

  - add extract method for trip objects

  - level for amps files

  - use inputfiles for extract, always

  - big speedups for wind and currents file database loading

  - improvements for readcurr in performance, and file handling

  - new function readchl32 for rolling 32-day weekly files

  - some improvement to the time resolution detection

  - extract(function, data.frame) is now tibble friendly

  - added AMPS data functions amps_d1files and readamps_d1wind

  - converted main vignette from Sweave to RMarkdown

  - package scaffolding

See inst/ONEWS
