interface_build {
    {r.cross} 0
    {Creates a cross product of the category values from multiple raster map layers.}
    {entry input {Input raster maps (name,name[name,...]):} 0 +raster}
    {entry output {Output raster map (name,name[name,...]):} 0 +raster}
    {checkbox -q {Run quietly.} "" -q}
    {checkbox -z {Do not cross zero data values.} "" -z}
}