This function opens a window that asks the user to select a shapefile for aggregation. The file selection window looks like this.
Figure: Dialog to select your shapefile
Select your folder and file and click Open. Clicking Cancel
on this window will trigger a flag to cancel GAT.
locateGATshapefile(myfile = "", step = 1, msg = "", myprogram = "GAT")Arguments
- myfile
String denoting default file name and location to open.
- step
Step number to print in title bar. Default is 1.
- msg
String denoting your message to display in the status bar.
- myprogram
String denoting the program name. GAT is the default.
Details
This function returns a list with the following elements.
The full name and path for the shapefile, without the extension.
The name of the shapefile, without the extension.
The full path for the shapefile.
The window may be hidden behind other windows. If so, minimize or close the other windows or click on it to bring it to the front.
Examples
if (interactive()) {
# navigate to and select a shapefile
locateGATshapefile()
# provide a default location to start
locateGATshapefile(
msg = "Select your shapefile",
myfile = getwd()
)
}
#> $userin
#> [1] "cancel"
#>
#> $filein
#> [1] ""
#>
#> $pathin
#> [1] ""
#>