geojsonlint tutorial
for v0.2.0
Tools for linting ‘GeoJSON’.
Package API:
geojson_lint()- GeoJSON lint web servicegeojson_hint()- GeoJSON hint JS librarygeojson_validate()- is-my-json-valid JS library using a GeoJSON schema from https://github.com/SchemaStore/schemastore
Installation
Stable version from CRAN
install.packages("geojsonlint")
Development version from GitHub
if (!require("devtools")) install.packages("devtools")
devtools::install_github("ropenscilabs/geojsonlint")
library("geojsonlint")
Usage
Good GeoJSON
geojsonlint.com web service
geojson_lint(x = '{"type": "Point", "coordinates": [-100, 80]}')
#> [1] TRUE
geojsonhint JS library
geojson_hint(x = '{"type": "Point", "coordinates": [-100, 80]}')
#> [1] TRUE
is-my-json-valid JS library
geojson_validate(x = '{"type": "Point", "coordinates": [-100, 80]}')
#> [1] TRUE
Bad GeoJSON
geojsonlint.com web service
geojson_lint('{"type": "FooBar"}')
#> [1] FALSE
geojsonhint JS library
geojson_hint('{"type": "FooBar"}')
#> [1] FALSE
is-my-json-valid JS library
geojson_validate('{ "type": "FeatureCollection" }')
#> [1] FALSE
Bad GeoJSON - with reason for failure
geojsonlint.com web service
geojson_lint('{"type": "FooBar"}', verbose = TRUE)
#> [1] FALSE
#> attr(,"errors")
#> message status
#> 1 "FooBar" is not a valid GeoJSON type. error
geojsonhint JS library
geojson_hint('{"type": "FooBar"}', verbose = TRUE)
#> [1] FALSE
#> attr(,"errors")
#> line message
#> 1 1 The type FooBar is unknown
is-my-json-valid JS library
geojson_validate('{ "type": "FeatureCollection" }', verbose = TRUE)
#> [1] FALSE
#> attr(,"errors")
#> field message
#> 1 data no (or more than one) schemas match
Bad GeoJSON - stop on validation failure
geojsonlint.com web service
geojson_lint('{"type": "FooBar"}', error = TRUE)
#> Error: invalid GeoJSON
#> - "FooBar" is not a valid GeoJSON type.
geojsonhint JS library
geojson_hint('{"type": "FooBar"}', error = TRUE)
#> Error: Line 1
#> - The type FooBar is unknown
is-my-json-valid JS library
geojson_validate('{ "type": "FeatureCollection" }', error = TRUE)
#> Error: 1 error validating json:
#> - data: no (or more than one) schemas match
Citing
Scott Chamberlain and Andy Teucher (2017). geojsonlint: Tools for Validating ‘GeoJSON’. R package version 0.2.0 https://cran.rstudio.com/package=geojsonlint
License and bugs
- License: MIT
- Report bugs at our GitHub repo for geojsonlint
