This function takes a .csv file with gridded lat, long data and aggregates the data by spatial boundaries given different shapefiles.
metis.grid2poly( gridFiles = NULL, regionName = "region", subRegShape = NULL, subRegShpFolder = NULL, subRegShpFile = NULL, subRegCol = NULL, subRegType = "subRegType", aggType = NULL, dirOutputs = paste(getwd(), "/outputs", sep = ""), folderName = NULL, nameAppend = "", labelsSize = 1.2, paramsSelect = "All", scenariosSelect = "All", paramScenariosFixed = NULL, tethysFilesScarcity = NULL, xanthosFilesScarcity = NULL, printGridOverlay = F, saveFiles = T )
| gridFiles | Default=NULL. Grid file in .csv format or a R table, data frame or tibble with as a minimum columns with "lat","lon" and "value",  | 
    
|---|---|
| regionName | Default = "region"  | 
    
| subRegShape | Default=NULL. shapefile over which grid data is to be aggregated.  | 
    
| subRegShpFolder | Default=NULL. Folder containing boundary region shapefile. Suggested paste(getwd(),"/dataFiles/gis/naturalEarth",sep Default=""),  | 
    
| subRegShpFile | Default=NULL. Name of sub-region shapefile. Suggested paste("ne_10m_admin_1_states_provinces",sep Default=""),  | 
    
| subRegCol | Default= NULL. Suggested for states "name",  | 
    
| subRegType | Default="subRegType". Eg. "states", "basins" etc.  | 
    
| aggType | Default=NULL. Aggregation method to be used. Either "vol" or "depth" dependening on the type of data provided.  | 
    
| dirOutputs | Default=paste(getwd(),"/outputs",sep Default=""),  | 
    
| folderName | Default = NULL  | 
    
| nameAppend | Default="",  | 
    
| labelsSize | Default =1.2. Label size for the region names for the gridoverlay plot.  | 
    
| paramsSelect | Default ="All"  | 
    
| scenariosSelect | Default ="All"  | 
    
| paramScenariosFixed | Default=NULL  | 
    
| tethysFilesScarcity | Default =NULL,  | 
    
| xanthosFilesScarcity | Default =NULL  | 
    
| printGridOverlay | Default = F  | 
    
| saveFiles | Default =T  | 
    
A table with data by polygon ID for each shapefile provided