open_app first sets all the correct paths to the QGIS Python binary, and secondly opens a QGIS application while importing the most common Python modules.

open_app(qgis_env = set_env())

## Arguments

qgis_env Environment settings containing all the paths to run the QGIS API. For more information, refer to set_env(). Basically, the function defines a few new environment variables which should not interfere with other settings.

## Value

The function enables a 'tunnel' to the Python QGIS API.

## Note

Please note that the function changes your environment settings via base::Sys.getenv() which is necessary to run the QGIS Python API.

## Examples

# NOT RUN {
open_app()
# }