join_gcam: Join GCAM data with spatial data.
In JGCRI/gcammaptools: Plot GCAM Output on Maps

Description Usage Arguments

Joins GCAM data from rgam query and inner joins it to spatial data provided by the user. Note: due to conducting an inner join, only the keys that are present in both datasets will be represented.

1	join_gcam(mapdata, mapdata_key, gcam_df, gcam_key)

`mapdata`	The sf object containing the spatial data and a tuple identifier that can be referenced in the gcam_df data frame.
`mapdata_key`	Name of the field having a tuple identifier that can be referenced in the gcam_df data frame.
`gcam_df`	The GCAM data frame provided from the user. This is usually generated from an `rgcam` query.
`gcam_key`	Name of field having a tuple identifier that can be referenced in the mapdata data frame.