fix volume visual
fix volume visual

ghisvail/vispy,inclement/vispy,kkuunnddaannkk/vispy,jdreaver/vispy,julienr/vispy,Eric89GXL/vispy,bollu/vispy,srinathv/vispy,jay3sh/vispy,hronoses/vispy,sbtlaarzc/vispy,dchilds7/Deysha-Star-Formation,sh4wn/vispy,hronoses/vispy,michaelaye/vispy,jdreaver/vispy,jdreaver/vispy,srinathv/vispy,drufat/vispy,julienr/vispy,kkuunnddaannkk/vispy,inclement/vispy,sh4wn/vispy,michaelaye/vispy,michaelaye/vispy,RebeccaWPerry/vispy,sh4wn/vispy,jay3sh/vispy,sbtlaarzc/vispy,jay3sh/vispy,sbtlaarzc/vispy,QuLogic/vispy,kkuunnddaannkk/vispy,ghisvail/vispy,QuLogic/vispy,bollu/vispy,ghisvail/vispy,dchilds7/Deysha-Star-Formation,bollu/vispy,dchilds7/Deysha-Star-Formation,julienr/vispy,srinathv/vispy,drufat/vispy,drufat/vispy,Eric89GXL/vispy,QuLogic/vispy,inclement/vispy,Eric89GXL/vispy,RebeccaWPerry/vispy,hronoses/vispy,RebeccaWPerry/vispy