vis sv 1000 bug fix
vis sv 1000 bug fix

AntonSax/plantcv,danforthcenter/plantcv,jshoyer/plantcv,danforthcenter/plantcv,jshoyer/plantcv,danforthcenter/plantcv,AntonSax/plantcv,stiphyMT/plantcv,stiphyMT/plantcv,stiphyMT/plantcv