You can pass in align arguments when you create the quad:
Code:
import viz
import vizshape
import vizcam
viz.go()
grid = vizshape.addGrid(color=[0.2]*3)
viz.clearcolor(viz.GRAY)
quad = vizshape.addQuad(xAlign=vizshape.ALIGN_MAX,yAlign=vizshape.ALIGN_MIN,color=viz.BLUE)
quad2 = vizshape.addQuad(xAlign=vizshape.ALIGN_MIN,yAlign=vizshape.ALIGN_MAX,color=viz.RED)
cam = vizcam.PivotNavigate(distance=5)