X_Aton_edited

set cut_paste_input [stack 0]
version 10.0 v4
push $cut_paste_input
Text2 {
 font_size_toolbar 100
 font_width_toolbar 100
 font_height_toolbar 100
 message Test
 old_message {{84 101 115 116}
   }
 box {630 277.000061 812 378.000061}
 transforms {{0 2}
   }
 cursor_position 4
 center {960 540}
 cursor_initialised true
 initial_cursor_position {{630 378.000061}
   }
 group_animations {{0} imported: 0 selected: 0 items: "root transform/"}
 animation_layers {{1 11 960 540 0 0 1 1 0 0 0 0}
   }
 name Text1
 selected true
 xpos 652
 ypos -11
}
Transform {
 translate {-698 182}
 center {960 540}
 shutteroffset centred
 name Transform1
 label "\[if \{\[value translate.x] != 0 || \[value translate.y] != 0\} then \{return \"t \[value translate.x] \[value translate.y]\n\"\} else \{return \"\"\}]\[if \{\[value rotate] != 0\} then \{return \"r \[value rotate]\n\"\} else \{return \"\"\}] \[if \{\[value scale] != 1\} then \{return \"s \[value scale]\"\} else \{return \"\"\}]\[if \{\[value skewX] != 0 || \[value skewY] != 0\} then \{return \"sk \[value skewX] \[value skewY]\n\"\} else \{return \"\"\}]\[if \{\[value motionblur] != 0\} then \{return \"mb \[value motionblur] sh \[value shutter] \[value shutteroffset]\n\"\} else \{return \"\"\}]"
 selected true
 xpos 652
 ypos 15
}
Group {
 name X_Aton1
 knobChanged "n = nuke.thisNode()\nif n\[\"use_3d\"].value()==1:\n    n\[\"center\"].setEnabled(False)\nelse:\n    n\[\"center\"].setEnabled(True)\nn\[\"iterations\"].setValue(int(n\[\"iterations\"].value()))\nif n\[\"mode\"].value()==\"Diffuse\":\n    n\[\"diffuse\"].setEnabled(True)\nelse:\n    n\[\"diffuse\"].setEnabled(False)\nn\[\"diffuse\"].setValue(max(n\[\"diffuse\"].value(),0))\nn\[\"iterations\"].setValue(max(n\[\"iterations\"].value(),1))"
 selected true
 xpos 652
 ypos 92
 addUserKnob {20 X_Aton}
 addUserKnob {41 "Local GPU: " T BlinkScript1.gpuName}
 addUserKnob {41 "Use GPU if Available" T BlinkScript1.useGPUIfAvailable}
 addUserKnob {26 ""}
 addUserKnob {12 center t "The point from which rays will be emitted."}
 center {18 394}
 addUserKnob {6 use_3d l "use 3d input" t "Use a <b>3D light</b> and a <b>3D camera</b> to calculate the center of the light. When enabled the <b>center</b> parameter will be disabled. Make sure both inputs (Light and Camera) are connected in order for this to work properly." -STARTLINE}
 addUserKnob {7 length t "This controls zoom of the final iteration. A value of 0 won't have any effect. A value of -1 will converge all rays in the centre point. All positive values will create rays projected outwards." R 0 10}
 length 2
 addUserKnob {26 ""}
 addUserKnob {4 mode t "- <b>Regular</b>, old school God Ray algorithm. All samples get added together. Fast and simple.\n- <b>Brighter</b>, samples only contribute to the ray if they are brighter than the ray at that step. This creates unshadowed rays.\n- <b>Darker</b>, samples only contribute to the ray if they are darker than the say at that step. This generate only shadow rays.\n- <b>Diffused</b>, different model of ray generation where rays can defocus as they travel further. This is more expensive but often generates more natural results." M {Regular Darkest Brightest Diffuse ""}}
 addUserKnob {7 decay t "The rate by which rays loose intensity and become darker. At 0 rays intensity will remain constant. Values between 1 and 2 generate realistic results. Denser atmospheres create shorter rays (more decay)." R 0 10}
 decay 1
 addUserKnob {7 diffuse t "This parameter is only enabled when <b>Diffuse</b> is selected as the <b>mode</b>.<br>Controls the rate of dispersion of the ray of light. Higher values create softer results. <br>Keep in mind in the real world this value is dependent on the shape of the light source. Wide light sources (like a campfire) generate very diffused rays, whereas concentrated lights (like a cellphone light) cast very sharp light rays. <br>The speed of the algorithm is independent of the value of diffusion." +DISABLED R 0 100}
 diffuse 50
 addUserKnob {26 ""}
 addUserKnob {18 multiply t "Makes everything brighter or darker in a linear fashion." R 0.2 4}
 multiply 1
 addUserKnob {6 multiply_panelDropped l "panel dropped state" -STARTLINE +HIDDEN}
 addUserKnob {18 gamma t "This works slightly different than just a regular gamma. This is both a pre-process and a post-process.\n\nFirst, the image gets applied the inverse of the gamma. After the rays have been generated, the value of gamma gets applied again.\n\nWith a little bit of practise this allows you to drive the colours of the rays as they decay." R 0.2 4}
 gamma 1
 addUserKnob {6 gamma_panelDropped l "panel dropped state" -STARTLINE +HIDDEN}
 addUserKnob {26 ""}
 addUserKnob {7 iterations t "The number of steps the light ray will take. The more <b>iterations</b>, the softer the ray will be. It is a good practice to raise this value to a high number (100-500) and gradually decreasing it until artifacts start to appear. Sometimes artifacts can be fixed in a more optimized way by keeping iterations low and enabling <b>bilinear interpolation</b>.<br>The more iterations, the slower the algorithm." R 1 100}
 iterations 100
 addUserKnob {6 bilinear_interpolation l "bilinear interpolation" t "By default each ray will sample the nearest pixel from the image. This often causes grid artifacts. Enabling this filtering should fix most of these issues. If it's not enough, you may need to increase the number of <b>iterations</b>. This is usually only needed when using <b>Diffuse</b> rays, altough the option is also available for the rest of modes." +STARTLINE}
 addUserKnob {6 normalize l "normalize luma" t "Many settings can affect the final brightness of the rays: their length, their decay, the number of iterations,etc.\n\nThis tries to make the controls more intuitive by compensating those brightness changes. You can disable this to have a more direct control of the tool." -STARTLINE}
 normalize true
 addUserKnob {26 ""}
 addUserKnob {20 GPU_Settings l "GPU Settings"}
 addUserKnob {41 maxGPUMemory l "Percentage of GPU memory to use" T BlinkScript1.maxGPUMemory}
 addUserKnob {41 maxTileLines l "Percentage of image height per tile" T BlinkScript1.maxTileLines}
 addUserKnob {20 about l About}
 addUserKnob {26 about_1 l "" t "A bunny:\n(\\(\\ \n( - -)\n((') (')" +STARTLINE T "<br>\n<b>Xavier Martín © 2017</b>"}
 addUserKnob {26 ""}
 addUserKnob {26 website l "" +STARTLINE T "<a href=\"http://www.xaviermartinvfx.com\"><span style=\"color:#C8C8C8;\">www.xaviermartinvfx.com</span></a>"}
 addUserKnob {26 space4_1 l "" +STARTLINE T <br>}
 addUserKnob {22 version l <center>version</center> T "nuke.message('X_Aton Gizmo <i>v1.1</i><br><b>Xavier Martín © 2017</b>')" +STARTLINE}
 addUserKnob {22 help_documentation l <center>?</center> -STARTLINE T "nuke.message('You can find more documentation<br>on <a href=\"http://www.nukepedia.com/blink/filter/x_aton\"><span style=\"color:#BCBCBC;\">Nukepedia</span></a> or my <a href=\"http://www.xaviermartinvfx.com/x_aton/\"><span style=\"color:#BCBCBC;\">website</span></a>.')"}
}
 BackdropNode {
  inputs 0
  name kbd
  tile_color 0x5d5e5965
  label "BBOX_Cheat\nExpands the BBox to \nthe longest rays, but \nnot further than the \ncanvas. Still preserves\nthe area outside the \ncanvas if in input. "
  note_font_size 40
  xpos 2
  ypos -709
  bdwidth 425
  bdheight 486
 }
 Input {
  inputs 0
  name InputLight
  xpos -540
  ypos -560
  number 1
 }
 Input {
  inputs 0
  name InputCamera
  xpos -440
  ypos -560
  number 2
 }
 Dot {
  name Dot11
  xpos -406
  ypos -456
 }
 Input {
  inputs 0
  name Input
  xpos -740
  ypos -558
 }
 Dot {
  name Dot3
  xpos -706
  ypos -506
 }
set Na591630 [stack 0]
 Dot {
  name Dot9
  xpos -606
  ypos -506
 }
 Dot {
  name Dot10
  xpos -606
  ypos -456
 }
 Reconcile3D {
  inputs 3
  calc_output true
  name Reconcile3D1
  xpos -540
  ypos -466
 }
push $Na591630
 Remove {
  operation keep
  channels rgba
  name Remove1
  xpos -740
  ypos -460
 }
 Gamma {
  channels rgb
  value {{1/parent.gamma} {1/parent.gamma} {1/parent.gamma} 1}
  name Gamma1
  xpos -740
  ypos -410
 }
 Dot {
  name Dot12
  tile_color 0xcccccc00
  xpos -706
  ypos -384
 }
set Nbce50f0 [stack 0]
 Dot {
  name Dot13
  tile_color 0xcccccc00
  xpos 64
  ypos -384
 }
set N7921cc0 [stack 0]
 Transform {
  scale {{1+parent.length}}
  center {{parent.center} {parent.center}}
  shutteroffset centred
  name Transform1
  label "\[if \{\[value translate.x] != 0 || \[value translate.y] != 0\} then \{return \"t \[value translate.x] \[value translate.y]\n\"\} else \{return \"\"\}]\[if \{\[value rotate] != 0\} then \{return \"r \[value rotate]\n\"\} else \{return \"\"\}] \[if \{\[value scale] != 1\} then \{return \"s \[value scale]\"\} else \{return \"\"\}]\[if \{\[value skewX] != 0 || \[value skewY] != 0\} then \{return \"sk \[value skewX] \[value skewY]\n\"\} else \{return \"\"\}]\[if \{\[value motionblur] != 0\} then \{return \"mb \[value motionblur] sh \[value shutter] \[value shutteroffset]\n\"\} else \{return \"\"\}]"
  xpos 133
  ypos -394
 }
set Nbc668d0 [stack 0]
 Crop {
  box {{curve} {curve} {width} {height}}
  crop false
  name Crop1
  xpos 263
  ypos -388
 }
 Dot {
  name Dot15
  tile_color 0xa57aaa00
  xpos 297
  ypos -342
 }
push $Nbc668d0
 Merge2 {
  inputs 2
  bbox intersection
  name Merge3
  xpos 130
  ypos -346
 }
 Dot {
  name Dot14
  tile_color 0x4b5ec600
  xpos 164
  ypos -300
 }
push $N7921cc0
 Merge2 {
  inputs 2
  name Merge2
  xpos 30
  ypos -304
 }
 Dot {
  name Dot16
  tile_color 0x4b5ec600
  xpos 64
  ypos -254
 }
set N78c79130 [stack 0]
push $Nbce50f0
 Dot {
  name Dot2
  tile_color 0xcccccc00
  xpos -706
  ypos -356
 }
set Na5c89a0 [stack 0]
 Blur {
  channels rgba
  size {{diffuse*sqrt(length)}}
  name Blur5
  xpos -240
  ypos -313
 }
 CopyBBox {
  inputs 2
  name CopyBBox2
  xpos -240
  ypos -258
 }
 Reformat {
  type scale
  scale 0.125
  pbb true
  name Reformat1
  xpos -240
  ypos -210
 }
set Na5e8770 [stack 0]
push $N78c79130
push $Na5c89a0
 Blur {
  channels rgba
  size {{parent.Blur5.size/2}}
  name Blur4
  xpos -340
  ypos -310
 }
 CopyBBox {
  inputs 2
  name CopyBBox3
  xpos -340
  ypos -258
 }
 Reformat {
  type scale
  scale 0.25
  pbb true
  name Reformat5
  xpos -340
  ypos -210
 }
set Na60c370 [stack 0]
push $N78c79130
push $Na5c89a0
 Blur {
  channels rgba
  size {{parent.Blur4.size/2}}
  name Blur3
  xpos -440
  ypos -310
 }
 CopyBBox {
  inputs 2
  name CopyBBox4
  xpos -440
  ypos -258
 }
 Reformat {
  type scale
  scale 0.5
  pbb true
  name Reformat4
  xpos -440
  ypos -210
 }
set Na62fe30 [stack 0]
push $N78c79130
push $Na5c89a0
 Blur {
  channels rgba
  size {{parent.Blur3.size/2}}
  name Blur2
  xpos -540
  ypos -310
 }
 CopyBBox {
  inputs 2
  name CopyBBox5
  xpos -540
  ypos -258
 }
 Reformat {
  type scale
  scale 0.6
  pbb true
  name Reformat3
  xpos -540
  ypos -210
 }
set Na653980 [stack 0]
push $N78c79130
push $Na5c89a0
 Blur {
  channels rgb
  size {{parent.Blur2.size/2}}
  name Blur1
  xpos -640
  ypos -310
 }
 CopyBBox {
  inputs 2
  name CopyBBox1
  xpos -640
  ypos -258
 }
 Reformat {
  type scale
  scale 0.8
  pbb true
  name Reformat2
  xpos -640
  ypos -210
 }
set Na677440 [stack 0]
push $Na5c89a0
 Dot {
  name Dot1
  tile_color 0xcccccc00
  xpos -706
  ypos -306
 }
set Na5cd2c0 [stack 0]
 BlinkScript {
  inputs 6
  ProgramGroup 1
  KernelDescription "2 \"X_Aton\" iterate componentWise 5140e5ada3150b5b17997b391784be72a8515242eff97b63a728e1d29924494f 7 \"src\" Read Random \"blr1\" Read Random \"blr2\" Read Random \"blr3\" Read Random \"blr4\" Read Random \"blr5\" Read Random \"dst\" Write Point 5 \"size\" Float 1 AAAAAA== \"center\" Float 2 AAAAAAAAAAA= \"iterations\" Int 1 AAAAAA== \"decay\" Float 1 AAAAAA== \"normalize_output\" Int 1 AAAAAA== 5 \"size\" 1 1 \"center\" 2 1 \"iterations\" 1 1 \"decay\" 1 1 \"normalize_output\" 1 1 1 \"normal\" Float 1 1 AAAAAA=="
  kernelSource "kernel X_Aton : ImageComputationKernel<eComponentWise>\n\{\n  Image<eRead, eAccessRandom, eEdgeClamped> src; // the input image\n  Image<eRead, eAccessRandom, eEdgeClamped> blr1; // the input image\n  Image<eRead, eAccessRandom, eEdgeClamped> blr2; // the input image\n  Image<eRead, eAccessRandom, eEdgeClamped> blr3; // the input image\n  Image<eRead, eAccessRandom, eEdgeClamped> blr4; // the input image\n  Image<eRead, eAccessRandom, eEdgeClamped> blr5; // the input image\n\n  Image<eWrite> dst; // the output image\n\n  param:\n    float size;\n    float2 center;\n    int iterations;\n    float decay;\n    int normalize_output;\n\n  local:\n    float normal = 0.0f;\n\n  void init() \{\n    if(normalize_output == 1) \{\n      normal =0.0;\n      for (int i = 0; i < iterations; i++) \{\n        normal += (pow(1.0f-float(i)/iterations,decay));\n      \}\n    \}\n    else \{\n      normal = iterations;\n    \}\n  \}\n\n  void process(int2 pos) \{\n    float total = 0.0;\n    float scale = 0.0;\n    int posx = 0;\n    int posy = 0;\n    int2 currentpos = int2(pos.x-center.x,pos.y-center.y);\n \n    float step = 0.0;\n    for (int i = 0; i < iterations; i++) \{\n      step = float(i)/iterations;\n      scale = 1+size*step*step;\n      posx = ((currentpos.x)/scale+center.x);\n      posy = ((currentpos.y)/scale+center.y);\n      if (step < 0.1)\n        total += bilinear(src,posx,posy)*pow((1-step),decay);\n      else if (step < 0.2)\n        total += bilinear(blr1,posx*0.8,posy*0.8)*pow((1-step),decay);\n      else if (step < 0.4)\n        total += bilinear(blr2,posx*0.6,posy*0.6)*pow((1-step),decay);\n      else if (step < 0.6)\n        total += bilinear(blr3,posx*0.5,posy*0.5)*pow((1-step),decay);\n      else if (step < 0.8)\n        total += bilinear(blr4,posx*0.25,posy*0.25)*pow((1-step),decay);\n      else\n        total += bilinear(blr5,posx*0.125,posy*0.125)*pow((1-step),decay);\n    \}\n    dst() = total/normal;\n  \}\n\};"
  useGPUIfAvailable {{parent.BlinkScript1.useGPUIfAvailable}}
  rebuild ""
  X_Aton_size {{parent.length}}
  X_Aton_center {{parent.use_3d==1?Reconcile3D1.output:parent.center} {parent.use_3d==1?Reconcile3D1.output:parent.center}}
  X_Aton_iterations {{parent.iterations}}
  X_Aton_decay {{parent.decay}}
  X_Aton_normalize_output {{parent.normalize}}
  rebuild_finalise ""
  maxTileLines 100
  name BlinkScript2
  xpos -601
  ypos -113
 }
push $Na5e8770
push $Na60c370
push $Na62fe30
push $Na653980
push $Na677440
push $N78c79130
push $Na5cd2c0
 CopyBBox {
  inputs 2
  name CopyBBox6
  xpos -740
  ypos -258
 }
set N7700e6f0 [stack 0]
 BlinkScript {
  inputs 6
  ProgramGroup 1
  KernelDescription "2 \"X_Aton\" iterate componentWise e94f08f291fbc4837d066b1a66504220d926ab715f7f89378491e8b275e0f94c 7 \"src\" Read Random \"blr1\" Read Random \"blr2\" Read Random \"blr3\" Read Random \"blr4\" Read Random \"blr5\" Read Random \"dst\" Write Point 5 \"size\" Float 1 AAAAAA== \"center\" Float 2 AAAAAAAAAAA= \"iterations\" Int 1 AAAAAA== \"decay\" Float 1 AAAAAA== \"normalize_output\" Int 1 AAAAAA== 5 \"size\" 1 1 \"center\" 2 1 \"iterations\" 1 1 \"decay\" 1 1 \"normalize_output\" 1 1 1 \"normal\" Float 1 1 AAAAAA=="
  kernelSource "kernel X_Aton : ImageComputationKernel<eComponentWise>\n\{\n  Image<eRead, eAccessRandom, eEdgeClamped> src; // the input image\n  Image<eRead, eAccessRandom, eEdgeClamped> blr1; // the input image\n  Image<eRead, eAccessRandom, eEdgeClamped> blr2; // the input image\n  Image<eRead, eAccessRandom, eEdgeClamped> blr3; // the input image\n  Image<eRead, eAccessRandom, eEdgeClamped> blr4; // the input image\n  Image<eRead, eAccessRandom, eEdgeClamped> blr5; // the input image\n\n  Image<eWrite> dst; // the output image\n\n  param:\n    float size;\n    float2 center;\n    int iterations;\n    float decay;\n    int normalize_output;\n\n  local:\n    float normal = 0.0f;\n\n  void init() \{\n    if(normalize_output == 1) \{\n      normal =0.0;\n      for (int i = 0; i < iterations; i++) \{\n        normal += (pow(1.0f-float(i)/iterations,decay));\n      \}\n    \}\n    else \{\n      normal = iterations;\n    \}\n  \}\n\n  void process(int2 pos) \{\n    float total = 0.0;\n    float scale = 0.0;\n    int posx = 0;\n    int posy = 0;\n    int2 currentpos = int2(pos.x-center.x,pos.y-center.y);\n \n    float step = 0.0;\n    for (int i = 0; i < iterations; i++) \{\n      step = float(i)/iterations;\n      scale = 1+size*step*step;\n      posx = ((currentpos.x)/scale+center.x);\n      posy = ((currentpos.y)/scale+center.y);\n      if (step < 0.1)\n        total += src(posx,posy)*pow((1-step),decay);\n      else if (step < 0.2)\n        total += blr1((posx*0.8),(posy*0.8))*pow((1-step),decay);\n      else if (step < 0.4)\n        total += blr2((posx*0.6),(posy*0.6))*pow((1-step),decay);\n      else if (step < 0.6)\n        total += blr3((posx*0.5),(posy*0.5))*pow((1-step),decay);\n      else if (step < 0.8)\n        total += blr4((posx*0.25),(posy*0.25))*pow((1-step),decay);\n      else\n        total += blr5((posx*0.125),(posy*0.125))*pow((1-step),decay);\n    \}\n    dst() = total/normal;\n  \}\n\};"
  rebuild ""
  X_Aton_size {{length}}
  X_Aton_center {{parent.use_3d==1?Reconcile3D1.output:parent.center} {parent.use_3d==1?Reconcile3D1.output:parent.center}}
  X_Aton_iterations {{iterations}}
  X_Aton_decay {{decay}}
  X_Aton_normalize_output {{normalize}}
  rebuild_finalise ""
  maxTileLines 100
  name BlinkScript1
  onCreate "n = nuke.thisNode()\nn\[\"X_Aton_center\"].setFlag(0x00008000)"
  xpos -740
  ypos -116
 }
 Switch {
  inputs 2
  which {{parent.bilinear_interpolation}}
  name Switch2
  xpos -740
  ypos -60
 }
push $N7700e6f0
 Dot {
  name Dot6
  tile_color 0x9e3c6300
  xpos -806
  ypos -254
 }
 Dot {
  name Dot8
  tile_color 0x9e3c6300
  xpos -806
  ypos -156
 }
set Nb6e4b80 [stack 0]
 Dot {
  name Dot7
  tile_color 0x9e3c6300
  xpos -906
  ypos -156
 }
 BlinkScript {
  recompileCount 19
  ProgramGroup 1
  KernelDescription "2 \"X_Aton\" iterate componentWise 80f2464358c1acfc45bb079569dbeda3220b6389e4e6b486ddcb2a8d9e5d101d 2 \"src\" Read Random \"dst\" Write Point 7 \"size\" Float 1 AAAAAA== \"center\" Float 2 AAAAAAAAAAA= \"iterations\" Int 1 AAAAAA== \"decay\" Float 1 AAAAAA== \"normalize_output\" Int 1 AAAAAA== \"mode\" Int 1 AAAAAA== \"proxy\" Float 1 AAAAAA== 7 \"size\" 1 1 \"center\" 2 1 \"iterations\" 1 1 \"decay\" 1 1 \"normalize_output\" 1 1 \"mode\" 1 1 \"proxy\" 1 1 2 \"normal\" Float 1 1 AAAAAA== \"centerP\" Float 2 1 AAAAAAAAAAA="
  kernelSource "kernel X_Aton : ImageComputationKernel<eComponentWise>\n\{\n  Image<eRead, eAccessRandom, eEdgeClamped> src; // the input image\n\n\n  Image<eWrite> dst; // the output image\n\n  param:\n    float size;\n    float2 center;\n    int iterations;\n    float decay;\n    int normalize_output;\n    int mode;\n    float proxy;\n  local:\n    float normal = 0.0f;\n    float2 centerP;\n\n  void init() \{\n    centerP = center*proxy;\n    if(mode==0) \{\n      if(normalize_output == 1) \{\n        normal =0.0;\n        for (int i = 0; i < iterations; i++) \{\n          normal += (pow(1.0f-float(i)/iterations,decay));\n        \}\n      \}\n      else \{\n        normal = iterations;\n      \}\n    \}\n\n  \}\n\n  void process(int2 pos) \{\n    float total = 0.0f;\n    float scale = 0.0f;\n    float posx = 0.0f;\n    float posy = 0.0f;\n    float2 currentpos = float2(pos.x-centerP.x,pos.y-centerP.y);\n\n    if(mode==0)\{\n      for (int i = 0; i < iterations; i++) \{\n        scale = 1+size*i*i/iterations/iterations;\n        posx = ((currentpos.x)/scale+centerP.x);\n        posy = ((currentpos.y)/scale+centerP.y);\n        total += bilinear(src,posx,posy)*pow((1-float(i)/iterations),decay);\n      \}\n      dst() = total/normal;\n     // dst() = currentpos.x;\n    \}\n    else if(mode==1)\{\n      float sample;\n      float norm = 1.0;\n      total += src(pos.x,pos.y);\n      for (int i = 1; i < iterations; i++) \{\n        scale = 1+size*i*i/iterations/iterations;\n        posx = ((currentpos.x)/scale+center.x);\n        posy = ((currentpos.y)/scale+center.y);\n        sample = bilinear(src,posx,posy);\n        if(sample<total/norm) \{\n          total += sample*pow((1-float(i)/iterations),decay);\n        \}\n        else\n          total += (total/norm)*pow((1-float(i)/iterations),decay);\n        norm += 1.0*pow((1-float(i)/iterations),decay);\n      \}\n      if(normalize_output==0)\n        dst() = total/iterations;\n      else\n        dst() = total/norm;\n    \}\n    else \{\n      float sample;\n      float norm = 1.0;\n      total += src(pos.x,pos.y);\n      for (int i = 1; i < iterations; i++) \{\n        scale = 1+size*i*i/iterations/iterations;\n        posx = ((currentpos.x)/scale+center.x);\n        posy = ((currentpos.y)/scale+center.y);\n        sample = bilinear(src,posx,posy);\n        if(sample>total/norm) \{\n          total += sample*pow((1-float(i)/iterations),decay);\n        \}\n        else\n          total += (total/norm)*pow((1-float(i)/iterations),decay);\n        norm += 1.0*pow((1-float(i)/iterations),decay);\n      \}\n      if(normalize_output==0)\n        dst() = total/iterations;\n      else\n        dst() = total/norm;\n    \}\n  \}\n\};\n"
  useGPUIfAvailable {{parent.BlinkScript1.useGPUIfAvailable}}
  rebuild ""
  X_Aton_size {{length}}
  X_Aton_center {{parent.use_3d==1?Reconcile3D1.output:parent.center} {parent.use_3d==1?Reconcile3D1.output:parent.center}}
  X_Aton_iterations {{iterations}}
  X_Aton_decay {{decay}}
  X_Aton_normalize_output {{normalize}}
  X_Aton_mode {{(parent.mode!=3)?parent.mode:parent.mode*(parent.diffuse!=0)}}
  X_Aton_proxy {{"\[python -execlocal root\\ =\\ nuke.root()\\n\\nif\\ not\\ root\\\['proxy'\\].value():\\n\\ \\ \\ \\ ret\\ =\\ 1\\nelif\\ root\\\['proxy_type'\\].value()\\ ==\\ 'format':\\n\\ \\ \\ \\ full\\ =\\ float(root\\\['format'\\].value().width())\\n\\ \\ \\ \\ proxy\\ =\\ float(root\\\['proxy_format'\\].value().width())\\n\\ \\ \\ \\ ret\\ =\\ proxy/full\\nelse:\\n\\ \\ \\ \\ ret\\ =\\ root\\\['proxy_scale'\\].value(0)]"}}
  rebuild_finalise ""
  maxTileLines 100
  name BlinkScript4
  tile_color 0xd600ff
  label "Modified for Proxy"
  xpos -940
  ypos -115
 }
set Nb6ee010 [stack 0]
push $Nb6e4b80
 BlinkScript {
  ProgramGroup 1
  KernelDescription "2 \"X_Aton\" iterate componentWise 8ab15b8bdd9694a8f64ba7270da748947d286719d2fadccab9e45b58ec1aa1dd 2 \"src\" Read Random \"dst\" Write Point 6 \"size\" Float 1 AAAAAA== \"center\" Float 2 AAAAAAAAAAA= \"iterations\" Int 1 AAAAAA== \"decay\" Float 1 AAAAAA== \"normalize_output\" Int 1 AAAAAA== \"mode\" Int 1 AAAAAA== 6 \"size\" 1 1 \"center\" 2 1 \"iterations\" 1 1 \"decay\" 1 1 \"normalize_output\" 1 1 \"mode\" 1 1 1 \"normal\" Float 1 1 AAAAAA=="
  kernelSource "kernel X_Aton : ImageComputationKernel<eComponentWise>\n\{\n  Image<eRead, eAccessRandom, eEdgeClamped> src; // the input image\n\n\n  Image<eWrite> dst; // the output image\n\n  param:\n    float size;\n    float2 center;\n    int iterations;\n    float decay;\n    int normalize_output;\n    int mode;\n  local:\n    float normal = 0.0f;\n\n  void init() \{\n    if(mode==0) \{\n      if(normalize_output == 1) \{\n        normal =0.0;\n        for (int i = 0; i < iterations; i++) \{\n          normal += (pow(1.0f-float(i)/iterations,decay));\n        \}\n      \}\n      else \{\n        normal = iterations;\n      \}\n    \}\n  \}\n\n  void process(int2 pos) \{\n    float total = 0.0;\n    float scale = 0.0;\n    int posx = 0;\n    int posy = 0;\n    int2 currentpos = int2(pos.x-center.x,pos.y-center.y);\n\n    if(mode==0)\{\n      for (int i = 0; i < iterations; i++) \{\n        scale = 1+size*i*i/iterations/iterations;\n        posx = ((currentpos.x)/scale+center.x);\n        posy = ((currentpos.y)/scale+center.y);\n        total += src(posx,posy)*pow((1-float(i)/iterations),decay);\n      \}\n      dst() = total/normal;\n    \}\n    else if(mode==1)\{\n      float sample;\n      float norm = 1.0;\n      total += src(pos.x,pos.y);\n      for (int i = 1; i < iterations; i++) \{\n        scale = 1+size*i*i/iterations/iterations;\n        posx = ((currentpos.x)/scale+center.x);\n        posy = ((currentpos.y)/scale+center.y);\n        sample = src(posx,posy);\n        if(sample<total/norm) \{\n          total += sample*pow((1-float(i)/iterations),decay);\n        \}\n        else\n          total += (total/norm)*pow((1-float(i)/iterations),decay);\n        norm += pow((1.0f-float(i)/iterations),decay);\n      \}\n      if(normalize_output==0)\n        dst() = total/iterations;\n      else\n        dst() = total/norm;\n    \}\n    else \{\n      float sample;\n      float norm = 1.0;\n      total += src(pos.x,pos.y);\n      for (int i = 1; i < iterations; i++) \{\n        scale = 1+size*i*i/iterations/iterations;\n        posx = ((currentpos.x)/scale+center.x);\n        posy = ((currentpos.y)/scale+center.y);\n        sample = src(posx,posy);\n        if(sample>total/norm) \{\n          total += sample*pow((1-float(i)/iterations),decay);\n        \}\n        else\n          total += (total/norm)*pow((1-float(i)/iterations),decay);\n        norm += pow((1.0f-float(i)/iterations),decay);\n      \}\n      if(normalize_output==0)\n        dst() = total/iterations;\n      else\n        dst() = total/norm;\n    \}\n  \}\n\};\n"
  useGPUIfAvailable {{parent.BlinkScript1.useGPUIfAvailable}}
  rebuild ""
  X_Aton_size {{length}}
  X_Aton_center {{parent.use_3d==1?Reconcile3D1.output:parent.center} {parent.use_3d==1?Reconcile3D1.output:parent.center}}
  X_Aton_iterations {{iterations}}
  X_Aton_decay {{decay}}
  X_Aton_normalize_output {{normalize}}
  X_Aton_mode {{(parent.mode!=3)?parent.mode:parent.mode*(parent.diffuse!=0)}}
  rebuild_finalise ""
  maxTileLines 100
  name BlinkScript3
  xpos -840
  ypos -116
 }
 Switch {
  inputs 2
  which {{parent.bilinear_interpolation}}
  name Switch3
  xpos -840
  ypos -60
 }
 Switch {
  inputs 2
  which {{(mode==3)*(diffuse!=0)}}
  name Switch1
  xpos -740
  ypos -10
 }
 Grade {
  multiply {{1/parent.multiply} {1/parent.multiply} {1/parent.multiply} 1}
  gamma {{1/parent.gamma} {1/parent.gamma} {1/parent.gamma} 1}
  reverse true
  name Grade1
  xpos -740
  ypos 40
 }
push $Na591630
 Dot {
  name Dot5
  xpos -1006
  ypos -506
 }
 Dot {
  name Dot4
  xpos -1006
  ypos 94
 }
 Merge2 {
  inputs 2
  operation copy
  name Merge1
  xpos -740
  ypos 88
 }
 Output {
  name Output1
  xpos -740
  ypos 140
 }
push $Nb6ee010
push $Nb6ee010
 Viewer {
  inputs 2
  frame_range 1-100
  colour_sample_bbox {-0.2958333194 -0.2166666687 -0.2947916687 -0.215625003}
  samplepoints {{-0.2958333194 -0.2166666687}
    }
  viewerProcess "rec709 (default)"
  name Viewer1
  xpos -33
  ypos -132
 }
end_group