"rel1.relative_x" => [@rel[0].rel[0], :double],
"rel1.relative_y" => [@rel[0].rel[1], :double],
"rel1.offset_x" => [@rel[0].offset[0]],
"rel1.relative_x" => [@rel[0].rel[0], :double],
"rel1.relative_y" => [@rel[0].rel[1], :double],
"rel1.offset_x" => [@rel[0].offset[0]],