yes this is possible... try with new qlik feb edition...
if you want to plot with only measures then use the value list ... check the below example:
if (valuelist('measure1,'measure2','measure3','measure4') = 'measure1',sum(measure1), if (valuelist('measure1,'measure2','measure3','measure4') = 'measure2',sum(measure2), if (valuelist('measure1,'measure2','measure3','measure4') = 'measure3',sum(measure3), count(measure4)