puts "========"
puts "0024855: Revision of parameters of standard materials"
puts "========"

# custom shapes
set aShape [locate_data_file occ/Top.brep]

# setup 3D viewer content
vinit View1 w=768 h=768
vglinfo

vbackground -gradient B4C8FF B4B4B4 -gradientMode VERTICAL

# display shape
vlight -change 0 -dir 0.577 -0.577 -0.577
restore $aShape s
vdisplay -dispMode 1 s
vfit

proc testmat {dirname filename} {
  foreach {aMatIter} {brass bronze copper gold jade neon_phc pewter obsidian plaster plastic satin silver steel stone chrome aluminium charcoal} {
    vsetmaterial -noredraw s $aMatIter
    vdump $dirname/${filename}_${aMatIter}.png
  }
}

# material screenshots, Gouraud shading model (rasterization)
vrenderparams -shadingModel GOURAUD
testmat $imagedir $casename

# material screenshots, Phong shading model (rasterization)
vrenderparams -shadingModel PHONG
testmat $imagedir ${casename}_phong

# material screenshots, Ray-Tracing
vrenderparams -raytrace -reflections -fsaa
vtextureenv on 5
testmat $imagedir ${casename}_rt