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| link2GI-package | Linking the GI-World |
| add2Path | Adds a defined variable and value to the global search path |
| checkPCDomain | Checks if running on a specified computer domain |
| getGrassParams4W | Initialize and set up 'GRASS GIS' and 'rgrass7' for the usage on 'Windows' OS |
| getGrassParams4X | Initialize and set up 'GRASS GIS' and 'rgrass7' for the usage on 'Linux' OS |
| getSpatialClass | Checks if x is a raster or sp object |
| initProj | Defines and creates folders and variables |
| link2GI | Linking the GI-World |
| linkgdalUtils | Search and export the settings of 'gdalUtils' and 'GDAL' binaries. |
| linkGRASS7 | Initializes environment variables and pathes for GRASS7 |
| linkOTB | Locate and set up 'Orfeo ToolBox' API bindings |
| linkSAGA | Locate and bind valid SAGA installation(s) |
| makGlobalVar | Generates a variable with a certain value in the R environment |
| searchGRASSW | Search recursivly valid 'GRASS GIS' installation(s) on a given 'Windows' drive |
| searchGRASSX | Search recursivly valid 'GRASS GIS' installation(s) at a given 'Linux' mount point |
| searchOTBW | Search recursively for valid 'OTB' installation(s) on a 'Windows' OS |
| searchSAGAW | Search recursively for valid 'Windows' 'SAGA GIS' installation(s) |
| setGrassEnv4W | Initializes and set up access to 'GRASS GIS 7.xx' via the rgrass7 wrapper or command line packages |
| setOTBEnv | Initializes and set up access to the 'OTB' command line interface |