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This is a fairly major release with much of the internal plumbing changed. I have tried to keep user-facing changes to a minimum, but please report any issues to https://github.com/ateucher/rmapshaper/issues.
geojsonsf package instead of
geojsonio for object conversion (#118).v0.6.25
(#130).geojson_list objects. This was a
rarely-used class from the geojsonio package (#118).force_FC, sys, and
sys_mem are now passed to
apply_mapshaper_commands via ... rather than
explicitly, so they are now documented in the ... section
of each function. This may break some existing code if you were passing
values to these arguments by position rather than by name, especially
using force_FC in ms_simplify as it was not at
the end of the argument list. It may also change the class of the return
value for some input classes and functions (such as
ms_lines and ms_innerlines) as
force_FC will inherit the default TRUE for all
functions.quiet argument to silence mapshaper console
messages when using sys = TRUE. This can be controlled
globally with options("mapshaper.sys_quiet" = TRUE)
(#125).options("mapshaper.sys_mem"=X), where
X is the amount of memory in GB.units columns in
sf objects would cause failures; all numeric columns of
class "units" are now converted to numeric before running
through mapshaper commands. (#116, thanks @Robinlovelace)force_FC in
apply_mapshaper_commands(). The default value is
TRUE (#120, thanks @dblodgett-usgs)check_sys_mapshaper() - fixed
description of return value (#117, thanks @dblodgett-usgs).tmpdir() path and sys = TRUE
(#107)ms_erase (#110, #104, #112)sys = TRUE, now uses mapshaper-xl in
the system call, allowing larger memory use. Default 8GB can be
specified in new argument sys_mem (#94, #112)system2() over
system() for flexibilitylibv8 installed, as
they do not support many aspects of modern JavaScript (ES6). This
appears to only impact ms_erase() and
ms_clip().apply_mapshaper_commands() no longer deletes a
file when used on a local file (#99, #100)rgdal to Suggests so
ms_clip and ms_erase can transform
Spatial* objects when they have different CRSs.sf object is a tibble, the output is now
now also a tibble, (#95, thanks @mdsumner)mapshaper v0.4.107sys = TRUE would fail on Windows
in some circumstances (#77)rmapshaper functions on
sfc objects failed with sf v0.7sys argument to allow the use of the system
mapshaper if it’s installed (#61)mapshaper v0.4.64 (#60)sf::st_read() is now used throughout for reading from
disk and from geojson strings, which allows for greater consistency and
better performance.rmapshaperid column is only retained if it is the only
column, otherwise it’s dropped.ms_innerlines returns only the geometry for
sf and Spatial*DataFrame classes. (#57)ms_dissolve gains a weight argument for
generating weighted centroids of dissolved points. (#39)snap_interval to ms_simplify() (#43,
@nikolai-b)drop_null_geometries argument in
ms_simplify.geo_list() (#45, @nikolai-b)keep in
ms_simplify() were converted to scientific notation
(#48)weighting argument to ms_simplify()
(#27)remove_slivers argument in ms_clip()
and ms_erase()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.