interface_build {
    {r.regression.line.tcl} 0
    {Compute linear regression from 2 raster maps: raster(y)=a+b*raster(x).}
    {entry rasterx {Independent variable (x) raster map:} 0 raster}
    {entry rastery {Dependent variable (y) raster map:} 0 raster}
    {entry output {Output regression results:} 0 file}
}