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st_extract() fix if points coincide with boundary
grid cell centers and bilinear interpolation is used; #720
st_extract() if used with GDAL 3.10.0 uses
InterpolateAtPoints, allowing for cubic and cubicspline interpolators
(requiring sf >= 1.0-19).
Ops.stars() (math ops) now also recycle arrays in
the first argument; #718
c.stars() verifies semantic equivalence of objects’
CRS; #703
initial support for read_mdim() to work with
proxy = TRUE; #659
skip cubble tests for cubble version 0.3.1;
https://github.com/huizezhang-sherry/cubble/issues/30
st_transform.stars transforms geometries in array
elements
mutate.stars (and others) handle attribute names
with spaces in them; #689
st_crop() gains an argument normalize;
when set to TRUE st_normalize() is called on
the returned value; #685, #686
constrain reading full GEOLOCATION arrays to the case where they are 2-D; #678
fix st_as_stars.Spatial() for Spatial
gridded objects with non-square grid cells, see
https://github.com/r-spatial/gstat/issues/123
add prcomp() methods for stars and
stars_proxy objects, working on attributes or last
dimension
st_rasterize() with align=TRUE returns
NA values where there are no data; #668
read_mdim() reads tables with composity type,
returning a data.frame in that case; #659
st_rotate() transforms a rotated grid back to a
curvilinear grid in unrotated coordinates.
aggregate.stars() deals with functions that return
more than one number, putting these in a new dimension like
st_apply() does
st_as_stars.data.frame() and
st_as_stars.sf() better handle non-raster data
cubes
plot.stars() only resets layout when needed (more
than one sub-plot, or key present)
fixed st_as_stars.im(); #648
st_crs<-.stars() is less critical on existing CRS
being of class crs
c.stars() with a single (valid) argument and
along specified adds a dimension; #646
st_join.stars() keeps attributes from x
complete; #643
st_as_stars.list() requires a named list,
and will set names of array dimensions if not present
plot.stars() has a fill argument that
shifts unused plotting space between sub-maps to the bottom or right
side of the plotting area
in plot.stars(), the key.width default
is sensitive to par("ps"), the pointsize graphics
parameter
plot.stars() and image.stars() are
sensitive to cex.axis, for axes and key (requires sf >=
1.0-14); #642
move lwgeom dependency to Suggests; using
st_transform_proj() on vector data cubes requires loading
lwgeom first
st_downsample() has argument offset to
pixel-shift downsampled images
st_downsample() has argument FUN to
compute sub-tile aggregates; #604
st_as_stars.bbox() retains factor
values; #640
fix CRAN error in test script
st_crop() works (and warns) for the case when the
crop area does not overlap with the area of the object; #638
split.stars() accepts stars objects
with multiple attributes; #635
[.stars() supports NA values in
dimension ranges for vector geometry (sfc) dimensions,
resulting in empty geometries
st_extract() supports extracting points values from
curvilinear grids (when not proxy); #632
read_mdim() reads curvilinear rasters (geolocation
arrays), so far only at full extent/resolution
st_as_stars.stars() accepts curvilinear argument
with lon/lat array names present in .x
consistently use OGC:CRS84 instead of
EPSG:4326
setting values = NULL in
st_set_dimensions() removes dimension values
more gracefully handle plotting of global coverage curvilinear grids; #632
image.stars() plots images (e.g. of cross sections)
when x and/or y are singular or absent; #628
st_as_stars.cubble_df() adds conversion from cubble;
cubble::as_cubble() methods converts back
[<-.stars() accepts for i an
indicator (numeric length character) to the array to be replaced;
#626
plot.stars() gains an argument key.lab
to set the legend key label (requires sf >= 1.0-13)
remove rgdal dependency
read_stars() fixes combining bands with different
block sizes; #623
st_warp() gets (proper) default value for
threshold; #618
read_mdim() reads “raster” with single pixel (as a
point)
[.stars(), as in r[x] allows
x to be a logical stars object
[<-.stars_proxy() clones environment, so that
after r[r > 100] = NA we don’t get infinite recursion
when realizing r
read_stars() avoids reading a raster twice to
determine how to choose proxy; proxy can now
be set as (and defaults to) the number of cells (bands * rows * columns)
above which data will not be read in memory but returned as
stars_proxy object; #609
fix using RasterIO in read_stars() when
proxy=TRUE; #608
plot.stars() hook function can handle arguments
row, col, nrow,
ncol, nr, value and
bbox; #600
fix handling of categorical rasters with colors but without category labels; #595, fallout of #565
fix subsetting of proxy objects over a time range; #596
write_stars() writes scaled and/or shifted values
when using argument scale_offset; #589
aggregate.stars_proxy() implements aggregation with
non-spatial by objects (lazily)
fix [.stars_proxy() when selecting dimension 3 and
higher; #561
in plot.stars(), col can also be a
palette function
st_res() returns spatial resolutions, and optionally
all dimension resolutions; #557 thanks to Krzysztof Dyba
read_stars() shortens band or array names that
contain a common start or ending, unless names would become empty or
shorten=FALSE was set; e.g. shorten="B" puts a
B before shortened array names
printing stars dimension tables omits fields with
only NULL or NA values, unless
print(..., all = TRUE) is given
improve reading categorical rasters, which now avoids calling
factor(); #565 thanks to Krzysztof Dyba
read_mdim() will read bounds arrays for coordinates
using the bounds attribute, and accepts a
bounds argument to specify them when that attribute is
missing
time() returns time stamps of a time
dimension
st_cells() returns the cell index for a set of point
coordinates, provided as sf or sfc object;
#558
reading & writing vector data cubes: read_mdim()
reads CF compliant vector geometries, and reconstructs them into an
sfc dimension; write_mdim() writes
them.
write_mdim() uses GDAL multidimensional array
API;
read_mdim() uses arguments offset,
count and step to read sub-arrays or strided
arrays (requires sf >= 1.0-9)
export read_mdim(), a reader using GDAL’s
multidimensional array API (for sf <= 1.0-8)
remove tos_O1_2001-2002.nc from packaged datasets to
keep source package size below 5 Mb
as.POSIXct.stars() converts PCICt
dimensions to POSIXct values.
improve handling of PCICt 360 or 365 day calendars;
read them in read_mdim (requires sf >= 1.0-9)
read_stars() reads factor levels better from
attribute table; #484 thanks to @ailich
read_stars() puts band names from
band_meta DESCRIPTION= tags into
values;
improve handling of categorical rasters, and their exchange with
terra; #484
plot() handles auto colors better for factor
arrays
read_ncdf() handles units more formally in setting
crs; #533
print message that dimensions of proxy objects do not reflect unevaluated operations; #530
passing na.action = na.omit to
geom_stars() removes NA values; #532
read_stars() detects curvilinear grids
automatically; #513
st_warp() warps curvilinear grids (using Euclidean
distances only on coordinates); #513
Ops.stars() errors when (common) dimension are not
identical; #506
guess_raster() accepts empty rows/columns and sparse
grids; #509
speed up rgb plotting; #503
Added a new helper function st_tile() to specify the
block parameters (nXOff, nYOff,
nXsize, nYSize) required by
RasterIO argument in read_stars(); #492 thanks
to Krzysztof Dyba
st_as_stars.bbox() creates an empy raster file if
proxy = TRUE; #489
st_rasterize() has option align = TRUE
to use a template for aligning the new raster to; #489
adrop.stars() with missing dimensions no longer
drops x/y raster dimensions; #485
aggregate.stars() propagates units of arrays;
#477
c.stars() fails if it tries to merge arrays with
different units; #475
For NetCDF files, read_stars() uses the
long_name as array name; #475
add rename() method; #470
refresh CRS of packaged L7_ETMs.tif; #466
as.data.frame.stars() works for mixed regular and
rectilinear dimension; #458
plot.stars() plots curvilinear rasters with color
table, or without table but col argument passed;
#456
st_extract() accepts a matrix with points as
at argument, for when performance is important; see
e.g. https://github.com/rspatial/terra/issues/341
fix bug in st_crop() when cropping area is larger
than grid; #455
export st_downsample(), e.g. to be used by
tmap; https://github.com/r-tmap/tmap/issues/597
argument downsample in plot.stars() and
st_as_stars.stars_proxy() and st_downsample()
has the same effect (removed a one-offset between them).
st_redimension() works for curvilinear grids;
#441
downsample is propagated to subexpressions like
r[r < 50] = NA
predict.stars() obtains an argument
drop_dimensions that, if TRUE, drops
dimensions from the prediction data.frame; #362
extend options in st_rgb(), #432, by Gabo
Gaona
allow subsetting with [ by using labels, e.g. of
band names.
read_stars() accepts a function (or list with
functions) as first argument, allowing for saving stars
objects that read from package directories resolving platform-dependent
paths at run-time
handle categorical rasters starting at value 0 (by adding 1, and warning); #428
add %in% method; #424
read_stars() gains an argument
tolerance to control tolerance in dimension value
comparisons; #414
binary Ops (like +, -, *
etc.) work for stars_proxy objects; #390
st_rasterize() rasterizes multiple attributes, and
handles factors (when sf >= 0.9-9)
write_stars() deals better with
stars_proxy objects; #404
fix regression in reading some stars_proxy objects;
#379
add [<- (partially) and is.na
methods for stars_proxy objects; #402
add replace_na() methods; #402
read and write factor levels as GDAL category names; write color table; #392
handle normalize_path for choosing to
proxy; #391
ignore units when there are different units across bands of a subdataset
speed up st_rgb() using faster
st_apply() approach; #315, #390
improve handling of crs in Spatial objects (avoid loss of wkt comments)
correctly write band subsets for smaller proxy objects; #291
write arbitrarily cropped proxy objects; #291
speed up st_apply() when a function is provided that
works on chunks at a time; #390
warn when breaks = “quantile” results in a single class; #388
fix [ bug selecting bands in proxy objects;
#388
for stars_proxy objects, write_stars()
writes all objects into a multi-layer file; #385
multi-file proxy objects can be st_warp()ed with
use_gdal = TRUE; #385
fix weird GDAL-related bug in stars2 vignette
read_ncdf() does not take time as mid-points of
regular intervals, but as starting points; #378
fix handling of rasters with color tables; #375
st_apply() and other methods for
stars_proxy objects handle … ; #374
add st_bbox(), st_crs() methods for
terra’s SpatVector objects;
https://github.com/r-tmap/tmap/issues/536
add st_bbox(), st_crs() and
st_as_stars() methods for terra’s SpatRaster
objects; https://github.com/r-tmap/tmap/issues/536
allow for multi-resolution attributes in stars_proxy
objects (e.g., all gray scale sentinel-2 bands); see vignettes 2 and 7
for examples.
plot() defaults to a categorical color scale when
plotting a factor variable;
https://github.com/r-tmap/tmap/issues/526
st_extract() extracts space-time points if
time_column is specified, and handles time intervals;
#352
add [[<-.stars method, which is now called by
$<-.stars, so that array names can be set
programmatically
add transmute() methods
plot.stars() calls droplevels if a
factor array has any NA levels; #339
read_stars() reads NaNs as
NA; #333
improve st_extract() method for both
stars and stars_proxy objects; interpolation
options are reduced to bilinear; #322, #279, #290
better handle categorical rasters that do not start at value 1; #329
plot layout can be controlled with mfrow = c(nr, nc)
argument
stars_proxy objects have a normalized path;
#331
cropping or selecting with bbox treats cells always
as small polygons; #330
add faster st_extract() method for
stars objects; #322
added vignette: “How raster functions map to
stars functions”, by Sebastien Rochette; #122,
#325
fix bug in dimension values field when downsampling;
#324
write_stars() also writes out band names;
#323
add rgdal to Suggests:
each call_list entry of a stars_proxy
object carries its proper calling environment; #309
st_as_sf.stars() copes with zero attribute (empty)
stars objects
add st_set_bbox() generic, to set raster extent,
motivated by #315
set up tic, with great help from @pat-s, #313
get rid of more proj4strings for representing
coordinate reference systems; #312
as(x, “Spatial”) correctly handles from dimension
values different from one
read_stars() now sets the BANDNAME GDAL
metadata item, or else the band’s GetDescription() as the band’s
dimension values
st_as_stars.data.frame() reads simple tables
(non-raster data) if dims has length less than 2
band descriptions are in the band dimension values
dimension tables are simpler, and are shown properly in Rstudio
st_rgb() gains a probs argument, to cut
off and stretch based on quantiles
as(x, "Raster") merges multiple attributes before
converting to raster brick
fix bug in st_as_stars.Raster; set crs to the one
assigned by raster; https://github.com/r-tmap/tmap/issues/471
add s2 to Suggests:
new function st_rgb() collapses (reduces) a
dimension to rgb hex value; #302
aggregate.stars() handles arrays with NA values now
correctly; brought up in #299 by Thorsten Simon
aggregate.stars() gains an argument
exact which, if TRUE, calls
exactextractr for polygonal aggregation; #289
read_stars() reads all subdatasets with dimensions
equal to first, and warns when ignoring others; #296
make copying over of dimensions somewhat easier; #295
st_as_stars.Raster() tries to read from file if the
raster object is not an in-memory object.
write_stars() normalizes path, as
read_stars already did; #293
merge() for proxy objects acts, and is no longer
lazy; #290
st_as_stars.Raster() returns a proxy object if the
raster layer is on disk
add st_extract() to extract e.g. time series from
grids at point locations; #279; #290
read_stars() chooses a value for proxy
that depends on the data dimensions; #281
x/y range subsetting of stars_proxy objects now only
reads that range, similar to how crop already did this.
st_warp() preserves levels and colors;
https://github.com/r-tmap/tmap/issues/429
st_crop() works with bounding boxes larger than the
downsampled bounding box; #276
st_crop() has a non-zero default for
epsilon (bounding box shrinkage) to exclude cells touching
the crop bounding box; #275
image.stars() (and hence plot.stars)
gains an extent argument for setting the extent of a plot;
https://github.com/r-spatial/sf/issues/1193
st_warp() (stars native) flips longitudes a full
cycle; #256, #264, #269
handle axis order in st_transform (requires sf >=
0.9-1)
depend on sf 0.9-0
adapt to cubelyr split-off from dplyr; add cubelyr to Suggests:; https://github.com/hadley/cubelyr/issues/2
add droplevels() method
handle color tables, category tables and raster attribute tables read through GDAL; #128, #245; https://github.com/r-spatial/mapview/issues/208
handle dimension crs specially, for proxy objects
now.
handle new-style crs objects from upcoming sf,
moving away from proj4strings
handle full crs objects as refsys
element in a spatial dimensions, rather than proj4string only
st_raster_type(x) reveals the raster type of
x; #248, https://github.com/r-tmap/tmap/issues/368
add st_as_stars.OpenStreetMap() method; #241 by
@mtennekes
add st_flip() to flip arrays along one or more
dimensions without changing dimension properties
add as.owin() method to convert (2D raster) stars
objects to spatstat owin;
https://github.com/r-spatial/sf/issues/1233
for temporal aggregation, aggregate.stars now also
takes by arguments like “week”, “month”, or “5
days”
add st_as_stars() method for xts
objects; improve as.xts for stars
objects
skip some tests on solaris
plot() now uses all data to figure out breaks, in
order to also find extremes; #216
st_mosaic() creates mosaics from spatially disjoint
rasters; #210
#205 large refactoring of read_ncdf, by David
Blodgett and Mike Sumner, affecting #199, #89, #30, #86, #175
allow for funny units like m s**-1; #201
add contour() method for stars objects;
#196
plot uses rasterImage by default if available;
#194
the x and y raster dimensions can be
set and unset with xy argument in
st_set_dimensions; #190
retain factor levels with dimension values when set
in st_set_dimensions; #188
add conversion from stars_proxy to
Raster: #193
make plotting of multiple curvilinear grids work
plot by default no cell borders in case of curvilinear, rotated or sheared grids
robustify handling of units
allow read_ncdf() to ignore bounds
scale was applied wrongly on multi-band images; #189, this requires sf >= 0.7-5
.nc is now recognized correctly by
write_stars and will write a NetCDF file; #186
[ subset now works correctly with negative or
logical indices; #184, #185
NA values for float32 grids are now correctly
detected; #182, this requires sf >= 0.7-5
cropping of a stars_proxy object now works;
#179
st_apply() can now loop over Raster layers; examples
in #176
st_as_stars.bbox now has an ncells and
pretty argument, to better choose default raster
dimensions
geom_stars now works with stars_proxy
objects, but needs downsample to be set; #21
NA values in Float32 rasters are now read correctly
with read_stars; #182
handle bounds, when given, in read_ncdf
provide time parsing (POSIXct, PCICt) for read_ncdf;
#115
add st_area method to return raster grid cell sizes;
#99
fix st_warp with use_gdal=TRUE,
allowing for multi-band warps
add st_get_dimension_values to get the values of a
particular dimension (if meaningful); #100
allow for setting intervals as dimension values; see examples of
st_dimensions
add st_contour, and clean up st_as_sf;
#99
experimental color table support; https://github.com/r-spatial/mapview/issues/208
rewrote vignettes, added vignettes; #99
deprecate st_write.stars for
write_stars; #96
use “native” R array-factor support
support for PCICt 360- and 365-day calendars;
#29
remove import of ncdf4 in favor of
RNetCDF, now in line with practice in ncmeta
package. Thanks to David Blodgett for motivation and testing (see #87,
#94).
st_as_sf uses date/time column names when
appropriate
allow missing trailing comma’s when subsetting:
a[1,,] and a[1,] now do the same.
move rlang to Imports: ; rewrite [
subset using rlang.
add conversion to and from Spatial* classes,
including the gridded ones, taking care of factor
variables
depend on sf 0.7-2
add logz support for log-scale keys to
plot and image
vignettes now use an external package, starsdata,
for larger dataset examples
support [<-.stars e.g. to mask out values;
support is.na.stars to replace NA masks
support cut methods and factor arrays (plot,
subset); #56
add st_rasterize, which uses
GDALRasterize to rasterize an sf object; #13
st_as_sf.stars now uses
GDAL(F)Polygonize when give a regular or sheared grid grid
cells are not points, and returns contour bands using
GDALContourGenerateEx (requiring GDAL 2.4.0) in case cells
are points; #13
support curvilinear grids; see #54 and the
data_model vignette
add vignette about how stars_proxy objects
work
stars_proxy objects defer processing of
st_apply jobs until after subsampling; #50
allow reading sections of a raster, raster at a lower resolution, selected bands; #48
allow reading vectors (arrays) with more than 2^31 elements; #48
fold all higher dimensions into the third dimension before
coercing to Raster; #40
read_starsadd merge (merge attributes into array dimension)
and split (split dimension over attributes)
interface to sf, raster and spacetime
improve plotting
handle logical arrays in plot
add st_apply, analogous to
apply
add cropping/masking when used as x[buf] with buf an
sf, sfc or bbox object; masking
when x[buf, crop = FALSE]
add Ops (+,-,/ etc) and Math (sqrt, pow, sin etc) methods
add dimnames and dimnames<- methods
for stars objects
downsample large grids to only plot pixels actually shown
can plot rectilinear grids (but will plot rgb images as regular grids)
rgb argument to image works
[ array-like subsetting works; first index is
attribute selector
gdal_utils()
(now part of sf)These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.