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filter_penSS() is removed, it didn’t really work
reliably and has no known users.
Updated DESCRIPTION, citation, help examples, removed disallowed warning suppression, added return value documentation, thanks to CRAN.
Updated to new spatstat.explore (removed spatstat.core).
Updated to new spatstat version 2.
Removed import of maptools.
Updated and fixed some tests thanks to CRAN.
New function interp_equal() for intermediate points
by distance or duration.
Fixed spurious warnings in tests, thanks to Roger Bivand #45.
Fixed documentation cross-references to sp topic, thanks to CRAN.
Migrate to reproj to avoid rgdal package. Ancient function
tripTransform has been removed completely, and spTransform methods are
now defunct and suggest use of reproj().
Removed problematic PROJ strings, thanks to Roger Bivand.
readDiag() and readArgos() now read all
records from a single text vector after reading all raw lines. This
means they can be used to read data from mixed text streams.
readDiag() no longer converts columns id and iq to
factor, and gains arguments return_trip and
read_alt to control output format.
BREAKING change: the sp package is now imported rather than full
Depends. This means that calls to its functions like
coordinates<-, CRS<-,
proj4string<-, spTransform will need to be
prefixed with sp::, or with the package explicitly attached
with library(sp). This may cause some pain but should be
offset by improvements in helpful ways to create trip objects.
The trip() function now accepts raw data frames or
grouped data frames, with the first four columns assumed to be the x, y,
time coordinates and the ID column. If the data frame is grouped the
first grouping column is used as the ID.
When trip objects are created they are by default forced into basic data sense, and so will usually succeed on creation as long as the nominated coordinates, trip group ID and date-times are sensible. The data will be automatically cleaned up for 1) duplicated records 2) duplicated date-times 3) records out of order.
summary(trip) now does not calculate the rolling RMS
speed for performance reasons, this might be reviewed in
future.
New function write_track_kml to produce a compressed
Keyhole Markup Language (‘KML’) file in ‘KMZ’ form, for use in Google
Earth.
readArgos gains a new argument read_alt
which is set to NULL by default and maintains existing behaviour. If set
to 1 or 2 the corresponding “alternative” location is returned. 1 is a
standardized location corresponding to the original PRV message, and 2
is a “dummy” location. Added by request of Chris Ward.
Now using geodist package rather than internal distance function.
There’s no speed benefit for moderately small data sets (1000s of
points) but there is for much larger data. Some small numeric changes in
distances when using longitude, latitude data - in
trackDistance and homedist but at the level of
metres in terms of precision.
New support to coerce to sf with as(x, "sf") which
creates every segment as a LINESTRING. If sf::st_as_sf() is
used standard coercion from sp -> sf is used and results in
POINT.
Add trip() support including coercion from and to
the amt package type track_xyt.
Add trip() support for trackeRdata
objects from the trackeR package, mousetrap
objects from the mousetrap package. Conversion to these
types from trip is not practical.
Add trip()) support for sf objects with
POINT geometry. The column names for date-time and id must be supplied.
Z or M values from XYZ, and XYZM, and XYM are currently
ignored.
Add partial trip() support for
telemetry objects from the ctmm package, see
#33.
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.