[ "float_array" x/ xt string>numbers [ * ] with map ]
[ nip "technique_common" x/ "accessor" x/ "stride" x@ string>number ] 2bi
group
- [ swap over length 2 > [ >y-up-axis! ] [ drop ] if ] with map ;
+ [ tuck length 2 > [ >y-up-axis! ] [ drop ] if ] with map ;
: source>pair ( source-tag -- pair )
[ "id" x@ ]