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Copy pathJT_SyLens_GL.py
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JT_SyLens_GL.py
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# -*- coding: utf-8 -*-
# DO NOT EDIT THIS FILE
# This file was automatically generated by Natron PyPlug exporter version 10.
# Hand-written code should be added in a separate file named JT_SyLens_GLExt.py
# See http://natron.readthedocs.org/en/master/devel/groups.html#adding-hand-written-code-callbacks-etc
# Note that Viewers are never exported
import NatronEngine
import sys
# Try to import the extensions file where callbacks and hand-written code should be located.
try:
from JT_SyLens_GLExt import *
except ImportError:
pass
def getPluginID():
return "natron.community.plugins.JT_SyLens_GL"
def getLabel():
return "JT_SyLens_GL"
def getVersion():
return 1
def getIconPath():
return "JT_SyLens_GL.png"
def getGrouping():
return "Community/GLSL/Distort"
def getPluginDescription():
return "Straightens and distorts footage according to the Syntheyes lens distortion model."
def createInstance(app,group):
# Create all nodes in the group
# Create the parameters of the group node the same way we did for all internal nodes
lastNode = group
lastNode.setColor(0.07451, 0.5686, 0.4863)
# Create the user parameters
lastNode.Controls = lastNode.createPageParam("Controls", "Controls")
param = lastNode.createStringParam("sep01", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep01 = param
del param
param = lastNode.createStringParam("sep02", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep02 = param
del param
param = lastNode.createSeparatorParam("BASICS", "Basics")
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setPersistent(False)
param.setEvaluateOnChange(False)
lastNode.BASICS = param
del param
param = lastNode.createStringParam("sep03", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep03 = param
del param
param = lastNode.createStringParam("sep04", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep04 = param
del param
param = lastNode.createDoubleParam("Shadertoy1_2paramValueFloat0", "Quartic : ")
param.setDisplayMinimum(-1, 0)
param.setDisplayMaximum(1, 0)
param.setDefaultValue(-0.01, 0)
param.restoreDefaultValue(0)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setAddNewLine(True)
param.setAnimationEnabled(True)
lastNode.Shadertoy1_2paramValueFloat0 = param
del param
param = lastNode.createStringParam("sep05", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep05 = param
del param
param = lastNode.createDoubleParam("Shadertoy1_2paramValueFloat1", "Cubic : ")
param.setDisplayMinimum(-1, 0)
param.setDisplayMaximum(1, 0)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setAddNewLine(True)
param.setAnimationEnabled(True)
lastNode.Shadertoy1_2paramValueFloat1 = param
del param
param = lastNode.createStringParam("sep06", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep06 = param
del param
param = lastNode.createBooleanParam("Shadertoy1_2paramValueBool7", "Apply distorsion : ")
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setAddNewLine(True)
param.setAnimationEnabled(True)
lastNode.Shadertoy1_2paramValueBool7 = param
del param
param = lastNode.createStringParam("sep07", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep07 = param
del param
param = lastNode.createStringParam("sep08", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep08 = param
del param
param = lastNode.createSeparatorParam("SHIFTS", "Shifts")
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setPersistent(False)
param.setEvaluateOnChange(False)
lastNode.SHIFTS = param
del param
param = lastNode.createStringParam("sep09", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep09 = param
del param
param = lastNode.createStringParam("sep10", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep10 = param
del param
param = lastNode.createDoubleParam("Shadertoy1_2paramValueFloat2", "H Off-Centre : ")
param.setDisplayMinimum(-1, 0)
param.setDisplayMaximum(1, 0)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setAddNewLine(True)
param.setAnimationEnabled(True)
lastNode.Shadertoy1_2paramValueFloat2 = param
del param
param = lastNode.createStringParam("sep11", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep11 = param
del param
param = lastNode.createDoubleParam("Shadertoy1_2paramValueFloat3", "V Off-Centre : ")
param.setDisplayMinimum(-1, 0)
param.setDisplayMaximum(1, 0)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setAddNewLine(True)
param.setAnimationEnabled(True)
lastNode.Shadertoy1_2paramValueFloat3 = param
del param
param = lastNode.createStringParam("sep12", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep12 = param
del param
param = lastNode.createStringParam("sep13", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep13 = param
del param
param = lastNode.createSeparatorParam("CHROMATICS", "Chromatics")
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setPersistent(False)
param.setEvaluateOnChange(False)
lastNode.CHROMATICS = param
del param
param = lastNode.createStringParam("sep14", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep14 = param
del param
param = lastNode.createStringParam("sep15", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep15 = param
del param
param = lastNode.createDoubleParam("Shadertoy1_2paramValueFloat4", "Red : ")
param.setDisplayMinimum(-1, 0)
param.setDisplayMaximum(1, 0)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setAddNewLine(True)
param.setAnimationEnabled(True)
lastNode.Shadertoy1_2paramValueFloat4 = param
del param
param = lastNode.createStringParam("sep16", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep16 = param
del param
param = lastNode.createDoubleParam("Shadertoy1_2paramValueFloat5", "Green : ")
param.setDisplayMinimum(-1, 0)
param.setDisplayMaximum(1, 0)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setAddNewLine(True)
param.setAnimationEnabled(True)
lastNode.Shadertoy1_2paramValueFloat5 = param
del param
param = lastNode.createStringParam("sep17", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep17 = param
del param
param = lastNode.createDoubleParam("Shadertoy1_2paramValueFloat6", "Blue : ")
param.setDisplayMinimum(-1, 0)
param.setDisplayMaximum(1, 0)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setAddNewLine(True)
param.setAnimationEnabled(True)
lastNode.Shadertoy1_2paramValueFloat6 = param
del param
param = lastNode.createStringParam("sep18", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep18 = param
del param
param = lastNode.createStringParam("sep19", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Controls.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep19 = param
del param
lastNode.Credits = lastNode.createPageParam("Credits", "Credits")
param = lastNode.createStringParam("sep101", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep101 = param
del param
param = lastNode.createStringParam("sep102", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep102 = param
del param
param = lastNode.createSeparatorParam("NAME", "JT_SyLens_GL v1.01")
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setPersistent(False)
param.setEvaluateOnChange(False)
lastNode.NAME = param
del param
param = lastNode.createStringParam("sep103", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep103 = param
del param
param = lastNode.createStringParam("sep104", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep104 = param
del param
param = lastNode.createSeparatorParam("LINE105", "")
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setPersistent(False)
param.setEvaluateOnChange(False)
lastNode.LINE105 = param
del param
param = lastNode.createStringParam("sep105", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep105 = param
del param
param = lastNode.createStringParam("sep106", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep106 = param
del param
param = lastNode.createSeparatorParam("FR", "ShaderToy 0.8.8")
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setPersistent(False)
param.setEvaluateOnChange(False)
lastNode.FR = param
del param
param = lastNode.createStringParam("sep107", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep107 = param
del param
param = lastNode.createStringParam("sep108", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep108 = param
del param
param = lastNode.createSeparatorParam("CONVERSION", " (Fabrice Fernandez - 2018)")
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setPersistent(False)
param.setEvaluateOnChange(False)
lastNode.CONVERSION = param
del param
param = lastNode.createStringParam("sep109", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep109 = param
del param
param = lastNode.createStringParam("sep110", "")
param.setType(NatronEngine.StringParam.TypeEnum.eStringTypeLabel)
# Add the param to the page
lastNode.Credits.addParam(param)
# Set param properties
param.setHelp("")
param.setAddNewLine(True)
param.setEvaluateOnChange(False)
param.setAnimationEnabled(False)
lastNode.sep110 = param
del param
# Refresh the GUI with the newly created parameters
lastNode.setPagesOrder(['Controls', 'Credits', 'Node', 'Settings'])
lastNode.refreshUserParamsGUI()
del lastNode
# Start of node "Output1"
lastNode = app.createNode("fr.inria.built-in.Output", 1, group)
lastNode.setLabel("Output2")
lastNode.setPosition(4139, 4048)
lastNode.setSize(80, 30)
lastNode.setColor(0.7, 0.7, 0.7)
groupOutput1 = lastNode
del lastNode
# End of node "Output1"
# Start of node "Shadertoy1_2"
lastNode = app.createNode("net.sf.openfx.Shadertoy", 1, group)
lastNode.setScriptName("Shadertoy1_2")
lastNode.setLabel("Shadertoy1_2")
lastNode.setPosition(4141, 3866)
lastNode.setSize(80, 32)
lastNode.setColor(0.3, 0.5, 0.2)
groupShadertoy1_2 = lastNode
param = lastNode.getParam("paramValueFloat0")
if param is not None:
param.setValue(-0.01, 0)
del param
param = lastNode.getParam("paramValueFloat1")
if param is not None:
param.setValue(0, 0)
del param
param = lastNode.getParam("paramValueFloat2")
if param is not None:
param.setValue(0, 0)
del param
param = lastNode.getParam("paramValueFloat3")
if param is not None:
param.setValue(0, 0)
del param
param = lastNode.getParam("paramValueFloat4")
if param is not None:
param.setValue(0, 0)
del param
param = lastNode.getParam("paramValueFloat5")
if param is not None:
param.setValue(0, 0)
del param
param = lastNode.getParam("paramValueFloat6")
if param is not None:
param.setValue(0, 0)
del param
param = lastNode.getParam("paramValueBool7")
if param is not None:
param.setValue(False)
del param
param = lastNode.getParam("paramValueFloat9")
if param is not None:
param.setValue(1, 0)
del param
param = lastNode.getParam("paramValueFloat10")
if param is not None:
param.setValue(1, 0)
del param
param = lastNode.getParam("imageShaderSource")
if param is not None:
param.setValue("//\n//\n// MMMMMMMMMMMMMMMMMMMMMMMMMMMM\n// MM. .MM\n// MM. .MMMMMMMMMMMMMMMMMMMMMM. .MM\n// MM. .MMMMMMMMMMMMMMMMMMMMMMMM. .MM\n// MM. .MMMM MMMMMMM MMM. .MM\n// MM. .MMM MMMMMM MMM. .MM\n// MM. .MmM MMMM MMM. .MM\n// MM. .MMM MM MMM. .MM\n// MM. .MMM M MMM. .MM\n// MM. .MMM MMM. .MM\n// MM. .MMM MMM. .MM\n// MM. .MMM M MMM. .MM\n// MM. .MMM MM MMM. .MM\n// MM. .MMM MMM MMM. .MM\n// MM. .MMM MMMM MMM. .MM\n// MM. .MMMMMMMMMMMMMMMMMMMMMMMM. .MM\n// MM. .MMMMMMMMMMMMMMMMMMMMMM. .MM\n// MM. .MM\n// MMMMMMMMMMMMMMMMMMMMMMMMMMMM\n//\n//\n//\n//\n// Adaptation pour Natron par F. Fernandez\n// Code original : SyLens Matchbox pour Autodesk Flame\n\n// Adapted to Natron by F.Fernandez\n// Original code : SyLens Matchbox for Autodesk Flame\n\n\n// iChannel0: input1, filter=linear, wrap=clamp\n// iChannel1: input2, filter=linear, wrap=clamp\n// BBox: iChannel0\n \n/*\n Original Lens Distortion Algorithm from SSontech (Syntheyes)\n http://www.ssontech.com/content/lensalg.htm\n \n r2 is radius squared.\n \n r2 = image_aspect*image_aspect*u*u + v*v\n f = 1 + r2*(k + kcube*sqrt(r2))\n u\' = f*u\n v\' = f*v\n \n*/\n\n// Controls \nuniform float kCoeff = -0.01; // Quartic : (Quartic distortion coefficient (the K coefficient). This can be computed automatically in Syntheyes when using \'Calculate Lens Distortion\')\nuniform float kCube = 0.0; // Cubic : (Cubic distortion (Kcube). Apply this if you are dealing with mustache distortion. Normally you would leave it at 0.)\nuniform float uShift = 0.0; // H Off-Centre : (If the optical center of your lens is offset relative to the sensor/film back center add some shift here to distort off-center horizontally.)\nuniform float vShift = 0.0; // V Off-Centre : (If the optical center of your lens is offset relative to the sensor/film back center add some shift here to distort off-center vertically.)\n\nuniform float chroma_red = 0.0; // Red : (R chroma aberration multiplier)\nuniform float chroma_green = 0.0; // Green : (G chroma aberration multiplier)\nuniform float chroma_blue = 0.0; // Blue : (B chroma aberration multiplier)\n\nuniform bool apply_disto = false; // Apply distorsion : (Apply distortion instead of removing it. Make sure you have enough overscan in your input!)\n\n\n\n\nfloat distortion_f(float r) {\n float f = 1 + (r*r)*(kCoeff + kCube * r);\n return f;\n}\n\n// Returns the F multiplier for the passed distorted radius\nfloat inverse_f(float r_distorted)\n{\n float input1_frameratio = iResolution.x / iResolution.y;\n // Build a lookup table on the radius, as a fixed-size table.\n // We will use a vec2 since we will store the F (distortion coefficient at this R)\n // and the result of F*radius\n vec2[48] lut;\n \n // Since out LUT is shader-global check if it\'s been computed alrite\n // Flame has no overflow bbox so we can safely max out at the image edge, plus some cushion\n float max_r = sqrt((input1_frameratio * input1_frameratio) + 1) + 1;\n float incr = max_r / 48;\n float lut_r = 0;\n float f;\n for(int i=0; i < 48; i++) {\n f = distortion_f(lut_r);\n lut[i] = vec2(f, lut_r * f);\n lut_r += incr;\n }\n \n float t;\n // Now find the nehgbouring elements\n // only iterate to 46 since we will need\n // 47 as i+1\n for(int i=0; i < 47; i++) {\n if(lut[i].y < r_distorted && lut[i+1].y > r_distorted) {\n // BAM! our distorted radius is between these two\n // get the T interpolant and mix\n t = (r_distorted - lut[i].y) / (lut[i+1].y - lut[i]).y;\n return mix(lut[i].x, lut[i+1].x, t );\n }\n }\n // Rolled off the edge\n return lut[47].x;\n}\n\nfloat aberrate(float f, float chroma)\n{\n return f + (f * chroma);\n}\n\nvec3 chromaticize_and_invert(float f)\n{\n vec3 rgb_f = vec3(aberrate(f, chroma_red), aberrate(f, chroma_green), aberrate(f, chroma_blue));\n // We need to DIVIDE by F when we redistort, and x / y == x * (1 / y)\n if(apply_disto) {\n rgb_f = 1 / rgb_f;\n }\n return rgb_f;\n}\n\nvoid mainImage( out vec4 fragColor, in vec2 fragCoord )\n{\n vec2 px, uv;\n float f = 1;\n float r = 1;\n\n float input1_frameratio = iResolution.x / iResolution.y;\n\n float override_w = iResolution.x;\n float override_h = iResolution.y;\n \n px = fragCoord.xy;\n \n // Make sure we are still centered\n // and account for overscan\n px.x -= (iResolution.x - override_w) / 2;\n px.y -= (iResolution.y - override_h) / 2;\n \n // Push the destination coordinates into the [0..1] range\n uv.x = px.x / override_w;\n uv.y = px.y / override_h;\n \n // And to Syntheyes UV which are [1..-1] on both X and Y\n uv.x = (uv.x *2 ) - 1;\n uv.y = (uv.y *2 ) - 1;\n \n // Add UV shifts\n uv.x += uShift;\n uv.y += vShift;\n \n // Make the X value the aspect value, so that the X coordinates go to [-aspect..aspect]\n uv.x = uv.x * input1_frameratio;\n \n // Compute the radius\n r = sqrt(uv.x*uv.x + uv.y*uv.y);\n \n // If we are redistorting, account for the oversize plate in the input, assume that\n // the input aspect is the same\n if(apply_disto) {\n r = r / (float(iResolution.x) / float(override_w));\n f = inverse_f(r);\n } else {\n f = distortion_f(r);\n }\n \n vec2[3] rgb_uvs = vec2[](uv, uv, uv);\n \n // Compute distortions per component\n vec3 rgb_f = chromaticize_and_invert(f);\n \n // Apply the disto coefficients, per component\n rgb_uvs[0] = rgb_uvs[0] * rgb_f.rr;\n rgb_uvs[1] = rgb_uvs[1] * rgb_f.gg;\n rgb_uvs[2] = rgb_uvs[2] * rgb_f.bb;\n \n // Convert all the UVs back to the texture space, per color component\n for(int i=0; i < 3; i++) {\n uv = rgb_uvs[i];\n \n // Back from [-aspect..aspect] to [-1..1]\n uv.x = uv.x / input1_frameratio;\n \n // Remove UV shifts\n uv.x -= uShift;\n uv.y -= vShift;\n \n // Back to OGL UV\n uv.x = (uv.x + 1) / 2;\n uv.y = (uv.y + 1) / 2;\n \n rgb_uvs[i] = uv;\n }\n \n // Sample the input plate, per component\n vec4 sampled;\n sampled.r = texture2D(iChannel0, rgb_uvs[0]).r;\n sampled.g = texture2D(iChannel0, rgb_uvs[1]).g;\n sampled.b = texture2D(iChannel0, rgb_uvs[2]).b;\n \n // Alpha from the input2\'s R channel\n sampled.a = texture2D(iChannel1, rgb_uvs[0]).r;\n \n // and assign to the output\n fragColor.rgba = sampled;\n}\n")
del param
param = lastNode.getParam("mipmap0")
if param is not None:
param.set("linear")
del param
param = lastNode.getParam("wrap0")
if param is not None:
param.set("clamp")
del param
param = lastNode.getParam("inputLabel0")
if param is not None:
param.setValue("input1")
del param
param = lastNode.getParam("mipmap1")
if param is not None:
param.set("linear")
del param
param = lastNode.getParam("wrap1")
if param is not None:
param.set("clamp")
del param
param = lastNode.getParam("inputLabel1")
if param is not None:
param.setValue("input2")
del param
param = lastNode.getParam("inputEnable2")
if param is not None:
param.setValue(False)
del param
param = lastNode.getParam("inputEnable3")
if param is not None:
param.setValue(False)
del param
param = lastNode.getParam("bbox")
if param is not None:
param.set("iChannel0")
del param
param = lastNode.getParam("NatronParamFormatChoice")
if param is not None:
param.set("PC_Video")
del param
param = lastNode.getParam("mouseParams")
if param is not None:
param.setValue(False)
del param
param = lastNode.getParam("paramCount")
if param is not None:
param.setValue(8, 0)
del param
param = lastNode.getParam("paramType0")
if param is not None:
param.set("float")
del param
param = lastNode.getParam("paramName0")
if param is not None:
param.setValue("kCoeff")
del param
param = lastNode.getParam("paramLabel0")
if param is not None:
param.setValue("Quartic :")
del param
param = lastNode.getParam("paramHint0")
if param is not None:
param.setValue("Quartic distortion coefficient (the K coefficient). This can be computed automatically in Syntheyes when using \'Calculate Lens Distortion\'")
del param
param = lastNode.getParam("paramDefaultFloat0")
if param is not None:
param.setValue(-0.01, 0)
del param
param = lastNode.getParam("paramType1")
if param is not None:
param.set("float")
del param
param = lastNode.getParam("paramName1")
if param is not None:
param.setValue("kCube")
del param
param = lastNode.getParam("paramLabel1")
if param is not None:
param.setValue("Cubic :")
del param
param = lastNode.getParam("paramHint1")
if param is not None:
param.setValue("Cubic distortion (Kcube). Apply this if you are dealing with mustache distortion. Normally you would leave it at 0.")
del param
param = lastNode.getParam("paramType2")
if param is not None:
param.set("float")
del param
param = lastNode.getParam("paramName2")
if param is not None:
param.setValue("uShift")
del param
param = lastNode.getParam("paramLabel2")
if param is not None:
param.setValue("H Off-Centre :")
del param
param = lastNode.getParam("paramHint2")
if param is not None:
param.setValue("If the optical center of your lens is offset relative to the sensor/film back center add some shift here to distort off-center horizontally.")
del param
param = lastNode.getParam("paramType3")
if param is not None:
param.set("float")
del param
param = lastNode.getParam("paramName3")
if param is not None:
param.setValue("vShift")
del param
param = lastNode.getParam("paramLabel3")
if param is not None:
param.setValue("V Off-Centre :")
del param
param = lastNode.getParam("paramHint3")
if param is not None:
param.setValue("If the optical center of your lens is offset relative to the sensor/film back center add some shift here to distort off-center vertically.")
del param
param = lastNode.getParam("paramType4")
if param is not None:
param.set("float")
del param
param = lastNode.getParam("paramName4")
if param is not None:
param.setValue("chroma_red")
del param
param = lastNode.getParam("paramLabel4")
if param is not None:
param.setValue("Red :")
del param
param = lastNode.getParam("paramHint4")
if param is not None:
param.setValue("R chroma aberration multiplier")
del param
param = lastNode.getParam("paramType5")
if param is not None:
param.set("float")
del param
param = lastNode.getParam("paramName5")
if param is not None:
param.setValue("chroma_green")
del param
param = lastNode.getParam("paramLabel5")
if param is not None:
param.setValue("Green :")
del param
param = lastNode.getParam("paramHint5")
if param is not None:
param.setValue("G chroma aberration multiplier")
del param
param = lastNode.getParam("paramType6")
if param is not None:
param.set("float")
del param
param = lastNode.getParam("paramName6")
if param is not None:
param.setValue("chroma_blue")
del param
param = lastNode.getParam("paramLabel6")
if param is not None:
param.setValue("Blue :")
del param
param = lastNode.getParam("paramHint6")
if param is not None:
param.setValue("B chroma aberration multiplier")
del param
param = lastNode.getParam("paramType7")
if param is not None:
param.set("bool")
del param
param = lastNode.getParam("paramName7")
if param is not None:
param.setValue("apply_disto")
del param
param = lastNode.getParam("paramLabel7")
if param is not None:
param.setValue("Apply distorsion :")
del param
param = lastNode.getParam("paramHint7")
if param is not None:
param.setValue("Apply distortion instead of removing it. Make sure you have enough overscan in your input!")
del param
param = lastNode.getParam("paramType8")
if param is not None:
param.set("float")
del param
param = lastNode.getParam("paramName8")
if param is not None:
param.setValue("input1_frameratio")
del param
param = lastNode.getParam("paramLabel8")
if param is not None:
param.setValue("input1_frameratio")
del param
param = lastNode.getParam("paramType9")
if param is not None:
param.set("float")
del param
param = lastNode.getParam("paramName9")
if param is not None:
param.setValue("input1_frameratio")
del param
param = lastNode.getParam("paramLabel9")
if param is not None:
param.setValue("input1_frameratio")
del param
param = lastNode.getParam("paramType10")
if param is not None:
param.set("float")
del param
param = lastNode.getParam("paramName10")
if param is not None:
param.setValue("input1_frameratio")
del param
param = lastNode.getParam("paramLabel10")
if param is not None:
param.setValue("input1_frameratio")
del param
del lastNode
# End of node "Shadertoy1_2"
# Start of node "AtoR"