SeExprArnold

SeExpr shader for Arnold renderer

How to build

scons with-arnold=/path/to/arnold [debug=1]

How to install

The arnold plugin will be outputed in release/arnold (or debug/arnold) Just add this directory to your ARNOLD_PLUGIN_PATH

How to use

Shader specific variables can be access using '$varname'

Shader globals can be accessed using '$sg::varname'

Primitive variables can be accessed using '$user::varname'

The following shader globals are available:

  P
  Po
  N
  Nf
  Ng
  Ngf
  Ns
  Ro
  Rd
  dPdx
  dPdy
  dPdu
  dPdv
  dNdx (starting arnold 4.1)
  dNdy (starting arnold 4.1)
  dDdx
  dDdy
  Ld
  Li
  Liu
  Lo
  Ci
  Vo
  u
  v
  bu
  bv
  x
  y
  sx
  sy
  we
  Rl
  dudx
  dudy
  dvdx
  dvdy
  time
  area
  Ldist
  sc
  Rt
  Rr
  Rr_refl
  Rr_refr
  Rr_diff
  Rr_gloss

Additionally, when 'frame', 'fps', motion_start_frame' and 'motion_end_frame' are defined on option node, the following extra variables may be accessed:

  fps
  frame                : render frame
  sample_frame         : 'time' in frame
  shutter_open_time    : render camera 'shutter_start'
  shutter_close_time   : render camera 'shutter_end'
  shutter_open_frame   : 'shutter_open_time' in frame
  shutter_close_frame  : 'shutter_close_time' in frame