Filmic Tonemapping Operator - John Habble - HP Duiker

filmic_tonemapping_operator.nkp

set cut_paste_input [stack 0]
version 8.0 v1
push $cut_paste_input
Group {
 name Filmic_Tonemapping_Operator
 selected true
 xpos -158
 ypos -20
 addUserKnob {20 filmic_tonemapping_operator_Tab l "Filmic Tonemapping Operator"}
 addUserKnob {20 tone_parameters_Group l "Tone Parameters" n 1}
 addUserKnob {7 A_Floating_Point_Slider l Shoulder_Strength}
 A_Floating_Point_Slider 0.22
 addUserKnob {7 B_Floating_Point_Slider l "Linear Strength"}
 B_Floating_Point_Slider 0.3
 addUserKnob {7 C_Floating_Point_Slider l "Linear Angle"}
 C_Floating_Point_Slider 0.1
 addUserKnob {7 D_Floating_Point_Slider l "Toe Strength"}
 D_Floating_Point_Slider 0.2
 addUserKnob {7 E_Floating_Point_Slider l "Toe Numerator"}
 E_Floating_Point_Slider 0.01
 addUserKnob {7 F_Floating_Point_Slider l "Toe Denominator"}
 F_Floating_Point_Slider 0.3
 addUserKnob {20 tone_parameters_endGroup l endGroup n -1}
 addUserKnob {20 miscellaneous_parameters_Group l "Miscellaneous Parameters" n 1}
 addUserKnob {7 exposure_bias_Floating_Point_Slider l "Exposure Bias"}
 exposure_bias_Floating_Point_Slider 2
 addUserKnob {6 clamp_output_Check_Box l "Clamp Output" +STARTLINE}
 clamp_output_Check_Box true
 addUserKnob {20 miscellaneous_parameters_endGroup l endGroup n -1}
 addUserKnob {20 about_Tab l About}
 addUserKnob {26 description_Text l "" +STARTLINE T "colour-science.org - March 10, 2015\n\nThis Gizmo / Group implements the Filming Tonemapping Operator from Uncharted 2 by John Habble which is based on Haarm-Peter Duiker curve.\n\nhttp://filmicgames.com/archives/75\nhttp://www.slideshare.net/ozlael/hable-john-uncharted2-hdr-lighting"}
}
 Input {
  inputs 0
  name Input
  xpos 13
  ypos -95
 }
 Multiply {
  value {{parent.filmic_tonemapping_operator_Expression.exposure_bias_Floating_Point_Slider}}
  name exposure_bias_Multiply
  xpos 13
  ypos -71
 }
 Expression {
  temp_name0 toe_angle
  temp_expr0 E_Floating_Point_Slider/F_Floating_Point_Slider
  expr0 ((r*(A_Floating_Point_Slider*r+C_Floating_Point_Slider*B_Floating_Point_Slider)+D_Floating_Point_Slider*E_Floating_Point_Slider)/(r*(A_Floating_Point_Slider*r+B_Floating_Point_Slider)+D_Floating_Point_Slider*F_Floating_Point_Slider))-toe_angle
  expr1 ((g*(A_Floating_Point_Slider*g+C_Floating_Point_Slider*B_Floating_Point_Slider)+D_Floating_Point_Slider*E_Floating_Point_Slider)/(g*(A_Floating_Point_Slider*g+B_Floating_Point_Slider)+D_Floating_Point_Slider*F_Floating_Point_Slider))-toe_angle
  expr2 ((b*(A_Floating_Point_Slider*b+C_Floating_Point_Slider*B_Floating_Point_Slider)+D_Floating_Point_Slider*E_Floating_Point_Slider)/(b*(A_Floating_Point_Slider*b+B_Floating_Point_Slider)+D_Floating_Point_Slider*F_Floating_Point_Slider))-toe_angle
  expr3 a
  name filmic_tonemapping_operator_Expression
  selected true
  xpos 13
  ypos -39
  addUserKnob {20 User}
  addUserKnob {7 exposure_bias_Floating_Point_Slider l "Exposure Bias"}
  exposure_bias_Floating_Point_Slider {{parent.exposure_bias_Floating_Point_Slider}}
  addUserKnob {7 A_Floating_Point_Slider l "Shoulder Strength"}
  A_Floating_Point_Slider {{parent.A_Floating_Point_Slider}}
  addUserKnob {7 B_Floating_Point_Slider l "Linear Strength"}
  B_Floating_Point_Slider {{parent.B_Floating_Point_Slider}}
  addUserKnob {7 C_Floating_Point_Slider l "Linear Angle"}
  C_Floating_Point_Slider {{parent.C_Floating_Point_Slider}}
  addUserKnob {7 D_Floating_Point_Slider l "Toe Strength"}
  D_Floating_Point_Slider {{parent.D_Floating_Point_Slider}}
  addUserKnob {7 E_Floating_Point_Slider l "Toe Numerator"}
  E_Floating_Point_Slider {{parent.E_Floating_Point_Slider}}
  addUserKnob {7 F_Floating_Point_Slider l "Toe Denominator"}
  F_Floating_Point_Slider {{parent.F_Floating_Point_Slider}}
  addUserKnob {7 linear_whitepoint_Floating_Point_Slider l "Linear Whitepoint"}
  linear_whitepoint_Floating_Point_Slider 11.2
  addUserKnob {7 linear_white_Floating_Point_Slider l "Linear White"}
  linear_white_Floating_Point_Slider {{((linear_whitepoint_Floating_Point_Slider*(A_Floating_Point_Slider*linear_whitepoint_Floating_Point_Slider+C_Floating_Point_Slider*B_Floating_Point_Slider)+D_Floating_Point_Slider*E_Floating_Point_Slider)/(linear_whitepoint_Floating_Point_Slider*(A_Floating_Point_Slider*linear_whitepoint_Floating_Point_Slider+B_Floating_Point_Slider)+D_Floating_Point_Slider*F_Floating_Point_Slider))-E_Floating_Point_Slider/F_Floating_Point_Slider}}
 }
 Multiply {
  value {{1/parent.filmic_tonemapping_operator_Expression.linear_white_Floating_Point_Slider}}
  name linear_white_Multiply
  xpos 13
  ypos -15
 }
set N3b068bb0 [stack 0]
 Clamp {
  name Clamp
  xpos -97
  ypos 13
 }
push $N3b068bb0
 Switch {
  inputs 2
  which {{parent.clamp_output_Check_Box}}
  name clamp_Switch
  xpos 13
  ypos 17
 }
 Output {
  name Output
  xpos 13
  ypos 41
 }
end_group