option "input1" i "Input1 VF filename" string yes
option "input2" j "Input2 VF filename" string yes
option "output" o "Output VF filename" string yes
option "input1" i "Input1 VF filename" string yes
option "input2" j "Input2 VF filename" string yes
option "output" o "Output VF filename" string yes
option "pad" p "Edgepadding value" float multiple no default="0.0"
option "verbose" v "Verbose" flag off
option "pad" p "Edgepadding value" float multiple no default="0.0"
option "verbose" v "Verbose" flag off