vclear
vinit View1
XDisplay -dispMode 1 D -explore
vaxo
vfit

vrenderparams -shadingModel PHONG
vlight -change 0 -intensity 2.5
vlight -change 1 -intensity 0.3
vcamera -orthographic
vdump ${imagedir}/${casename}.png
vdump ${imagedir}/${casename}_ortho_phong.png
vcamera -persp
vdump ${imagedir}/${casename}_persp_phong.png

vrenderparams -shadingModel PBR
vcamera -orthographic
vdump ${imagedir}/${casename}_ortho_pbr.png
vcamera -persp
vdump ${imagedir}/${casename}_persp_pbr.png