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Release 0.1.0 #70

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20 changes: 10 additions & 10 deletions DESCRIPTION
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
Package: geotargets
Title: Targets extensions for geospatial formats
Version: 0.0.0.9000
Title: 'Targets' Extensions for Geospatial Formats
Version: 0.1.0
Authors@R: c(
person(
given = "Nicholas",
Expand All @@ -23,23 +23,23 @@ Authors@R: c(
)
)
Description: Provides extensions for various geospatial file formats,
such as shapefiles and rasters. See the vignettes for worked
examples and demonstrations and explanations of how to use the various
package extensions.
such as shapefiles and rasters. Currently provides support for the 'terra'
geospatial formats. See the vignettes for worked examples, demonstrations,
and explanations of how to use the various package extensions.
License: MIT + file LICENSE
Encoding: UTF-8
Language: en-GB
Roxygen: list(markdown = TRUE)
RoxygenNote: 7.3.1
Imports:
targets (>= 1.7.0),
rlang,
cli
rlang (>= 1.1.3),
cli (>= 3.6.2)
Suggests:
crew,
terra,
crew (>= 0.9.2),
terra (>= 1.7.71),
testthat (>= 3.0.0),
withr
withr (>= 3.0.0)
Config/testthat/edition: 3
URL: https://github.com/njtierney/geotargets, https://njtierney.github.io/geotargets/
BugReports: https://github.com/njtierney/geotargets/issues
2 changes: 1 addition & 1 deletion NEWS.md
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
# geotargets 0.0.0.9000 (development version)
# geotargets 0.1.0 (14 May 2024)

* Created `tar_terra_rast()` and `tar_terra_vect()` for targets that create `SpatRaster` and `SpatVector` objects, respectively
* Created `tar_terra_sprc()` that creates a `SpatRasterCollection` object.
Expand Down
26 changes: 26 additions & 0 deletions R/geotargets-option.R
Original file line number Diff line number Diff line change
Expand Up @@ -27,9 +27,32 @@
#' `geotargets_options_set(gdal_raster_driver = "GTiff")` is equivalent to
#' `options("geotargets.gdal.raster.driver" = "GTiff")`.
#'
#' @return Specific options, such as "gdal.raster.driver". See "Details" for
#' more information.
#'
#'
#' @rdname geotargets-options
#' @export
#' @examples
#' if (Sys.getenv("TAR_LONG_EXAMPLES") == "true") {
#' targets::tar_dir({ # tar_dir() runs code from a temporary directory.
#' library(geotargets)
#' op <- getOption("geotargets.gdal.raster.driver")
#' withr::defer(options("geotargets.gdal.raster.driver" = op))
#' geotargets_option_set(gdal_raster_driver = "COG")
#' targets::tar_script({
#' list(
#' geotargets::tar_terra_rast(
#' terra_rast_example,
#' system.file("ex/elev.tif", package = "terra") |> terra::rast()
#' )
#' )
#' })
#' targets::tar_make()
#' x <- targets::tar_read(terra_rast_example)
#' })
#'}
#'
geotargets_option_set <- function(
gdal_raster_driver = NULL,
gdal_raster_creation_options = NULL,
Expand All @@ -54,6 +77,9 @@ geotargets_option_set <- function(
#' @param name character; option name to get.
#'
#' @rdname geotargets-options
#' @examples
#' geotargets_option_get("gdal.raster.driver")
#' geotargets_option_get("gdal.raster.creation.options")
#' @export
geotargets_option_get <- function(name) {
option_name <- geotargets_repair_option_name(name)
Expand Down
1 change: 1 addition & 0 deletions R/tar-terra-rast.R
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
#' @param ... Additional arguments not yet used
#'
#' @inheritParams targets::tar_target
#' @returns target class "tar_stem" for use in a target pipeline
#' @importFrom rlang %||% arg_match0
#' @seealso [targets::tar_target_raw()]
#' @export
Expand Down
1 change: 1 addition & 0 deletions R/tar-terra-sprc.R
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
#' @param ... Additional arguments not yet used
#'
#' @inheritParams targets::tar_target
#' @returns target class "tar_stem" for use in a target pipeline
#' @seealso [targets::tar_target_raw()]
#' @author Andrew Gene Brown
#' @author Nicholas Tierney
Expand Down
1 change: 1 addition & 0 deletions R/tar-terra-vect.R
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@
#' passed to [terra::writeVector()].
#' @param ... Additional arguments not yet used
#' @inheritParams targets::tar_target
#' @returns target class "tar_stem" for use in a target pipeline
#'
#' @note Although you may pass any supported GDAL vector driver to the
#' `filetype` argument, not all formats are guaranteed to work with
Expand Down
40 changes: 22 additions & 18 deletions README.Rmd
Original file line number Diff line number Diff line change
Expand Up @@ -22,9 +22,21 @@ knitr::opts_chunk$set(
[![Codecov test coverage](https://codecov.io/gh/njtierney/geotargets/branch/master/graph/badge.svg)](https://app.codecov.io/gh/njtierney/geotargets?branch=master)
<!-- badges: end -->

`geotargets` extends targets to work with geospatial data formats, such as rasters and vectors (e.g., shapefiles).
`geotargets` extends [`targets`](https://github.com/ropensci/targets) to work with geospatial data formats, such as rasters and vectors (e.g., shapefiles). Currently we support raster and vector formats for the [`terra`](https://github.com/rspatial/terra) package

A relatively common gotcha moment when using popular libraries like `terra` with targets is running into erros with read and write. Due to the limitations that come with the underlying C++ implementation in the `terra` library, there are specific ways to write and read these objects. See `?terra` for details. `geotargets` helps handle these write and read steps, so you don't have to worry about them and can use targets as you are used to.
## Installation

You can install the development version of geotargets like so:

``` r
install.packages("geotargets", repos = c("https://njtierney.r-universe.dev", "https://cran.r-project.org"))
```

## Why `geotargets`

If you want to use geospatial data formats (such as `terra`) with the [`targets`](https://github.com/ropensci/targets) package to build analytic reproducible pipelines, it involves writing a lot of custom targets wrappers. We wrote `geotargets` so you can use geospatial data formats with `targets`.

To provide more detail on this, a common problem when using popular libraries like `terra` with `targets` is running into errors with read and write. Due to the limitations that come with the underlying C++ implementation in the `terra` library, there are specific ways to write and read these objects. See `?terra` for details. `geotargets` helps handle these write and read steps, so you don't have to worry about them and can use targets as you are used to.

In essence, if you've ever come across the error:

Expand All @@ -39,31 +51,19 @@ or
Error: external pointer is not valid
```

When trying to read in a geospatial raster or vector in targets, then this is for you :)

## Installation

You can install the development version of geotargets like so:

``` r
install.packages("geotargets", repos = c("https://njtierney.r-universe.dev", "https://cran.r-project.org"))
```

## A note on development

`geotargets` is still undergoing development, and we would love for people to use the package to kick the tyres. We are using it in our own work, but want users to know that the API could change in subtle or breaking ways.
When trying to read in a geospatial raster or vector in targets, then `geotargets` for you :)

# Examples

Below we show three examples of target factories:
We currently provide support for the `terra` package with `targets`. Below we show three examples of target factories:

- `tar_terra_rast()`
- `tar_terra_vect()`
- `tar_terra_sprc()`

You would use these in place of `tar_target()` in your targets pipeline, when you are doing work with terra raster or terra vector data.
You would use these in place of `tar_target()` in your targets pipeline, when you are doing work with `terra` raster, vector, or raster collection data.

It is a bit tricky to implement targets workflows in a README, but if you would like to see and download working examples for yourself, see the repo, [demo-geotargets](https://github.com/njtierney/demo-geotargets).
If you would like to see and download working examples for yourself, see the repo, [demo-geotargets](https://github.com/njtierney/demo-geotargets).

## `tar_terra_rast()`: targets with terra rasters

Expand Down Expand Up @@ -153,3 +153,7 @@ targets::tar_dir({ # tar_dir() runs code from a temporary directory.
## Code of Conduct

Please note that the geotargets project is released with a [Contributor Code of Conduct](https://contributor-covenant.org/version/2/1/CODE_OF_CONDUCT.html). By contributing to this project, you agree to abide by its terms.

## A note on development

`geotargets` is still undergoing development. We currently consider the extensions with `terra` maturing and approaching stability. We would love for people to use the package to kick the tyres. We are using it in our own work, but want users to know that the API could change in subtle or breaking ways.
68 changes: 40 additions & 28 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -15,16 +15,34 @@ Targetopia](https://img.shields.io/badge/R_Targetopia-member-blue?style=flat&lab
coverage](https://codecov.io/gh/njtierney/geotargets/branch/master/graph/badge.svg)](https://app.codecov.io/gh/njtierney/geotargets?branch=master)
<!-- badges: end -->

`geotargets` extends targets to work with geospatial data formats, such
as rasters and vectors (e.g., shapefiles).
`geotargets` extends [`targets`](https://github.com/ropensci/targets) to
work with geospatial data formats, such as rasters and vectors (e.g.,
shapefiles). Currently we support raster and vector formats for the
[`terra`](https://github.com/rspatial/terra) package

A relatively common gotcha moment when using popular libraries like
`terra` with targets is running into erros with read and write. Due to
the limitations that come with the underlying C++ implementation in the
`terra` library, there are specific ways to write and read these
objects. See `?terra` for details. `geotargets` helps handle these write
and read steps, so you don’t have to worry about them and can use
targets as you are used to.
## Installation

You can install the development version of geotargets like so:

``` r
install.packages("geotargets", repos = c("https://njtierney.r-universe.dev", "https://cran.r-project.org"))
```

## Why `geotargets`

If you want to use geospatial data formats (such as `terra`) with the
[`targets`](https://github.com/ropensci/targets) package to build
analytic reproducible pipelines, it involves writing a lot of custom
targets wrappers. We wrote `geotargets` so you can use geospatial data
formats with `targets`.

To provide more detail on this, a common problem when using popular
libraries like `terra` with `targets` is running into errors with read
and write. Due to the limitations that come with the underlying C++
implementation in the `terra` library, there are specific ways to write
and read these objects. See `?terra` for details. `geotargets` helps
handle these write and read steps, so you don’t have to worry about them
and can use targets as you are used to.

In essence, if you’ve ever come across the error:

Expand All @@ -36,36 +54,22 @@ or
Error: external pointer is not valid

When trying to read in a geospatial raster or vector in targets, then
this is for you :)

## Installation

You can install the development version of geotargets like so:

``` r
install.packages("geotargets", repos = c("https://njtierney.r-universe.dev", "https://cran.r-project.org"))
```

## A note on development

`geotargets` is still undergoing development, and we would love for
people to use the package to kick the tyres. We are using it in our own
work, but want users to know that the API could change in subtle or
breaking ways.
`geotargets` for you :)

# Examples

We currently provide support for the `terra` package with `targets`.
Below we show three examples of target factories:

- `tar_terra_rast()`
- `tar_terra_vect()`
- `tar_terra_sprc()`

You would use these in place of `tar_target()` in your targets pipeline,
when you are doing work with terra raster or terra vector data.
when you are doing work with `terra` raster, vector, or raster
collection data.

It is a bit tricky to implement targets workflows in a README, but if
you would like to see and download working examples for yourself, see
If you would like to see and download working examples for yourself, see
the repo,
[demo-geotargets](https://github.com/njtierney/demo-geotargets).

Expand Down Expand Up @@ -152,3 +156,11 @@ Please note that the geotargets project is released with a [Contributor
Code of
Conduct](https://contributor-covenant.org/version/2/1/CODE_OF_CONDUCT.html).
By contributing to this project, you agree to abide by its terms.

## A note on development

`geotargets` is still undergoing development. We currently consider the
extensions with `terra` maturing and approaching stability. We would
love for people to use the package to kick the tyres. We are using it in
our own work, but want users to know that the API could change in subtle
or breaking ways.
27 changes: 27 additions & 0 deletions man/geotargets-options.Rd

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4 changes: 2 additions & 2 deletions man/geotargets-package.Rd

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3 changes: 3 additions & 0 deletions man/tar_terra_rast.Rd

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3 changes: 3 additions & 0 deletions man/tar_terra_sprc.Rd

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