set cut_paste_input [stack 0]
version 12.2 v7
push $cut_paste_input
Group {
 name iZ_NegativeChecker
 help "A simple node that checks for values below 0. Anything above 0 is turned black, and values below zero are dialated by the \"Erode size\" knob to become very visible/obvious.\n\nYou can email me at ianzainea@gmail.com with any questions or suggestions!"
 tile_color 0x9fffff
 selected true
 xpos 707
 ypos 152
 addUserKnob {20 User l "Negative Checker"}
 addUserKnob {41 size l "Erode size" t "Adjust size to big-imize negative pixels. Make them easier to see." T Dilate1.size}
 addUserKnob {26 version_author l "" t "iZ_NegativeChecker v1.0\nianzainea.com 2022" +STARTLINE T "\n\n<span style=\"color:#888\"><br/><b>iZ_NegativeChecker v1.0</b> - <a href=\"http://www.ianzainea.com\" style=\"color:#888; text-decoration:none;\">ianzainea.com</a>, 2022\n<ul style=\"list-style-type: none;\"><li>See help (?) for node description.</li></ul>\n</span>\n"}
}
 Input {
  inputs 0
  name img
  xpos 348
  ypos 218
 }
 Expression {
  expr0 "r < 0 ? 1 : 0"
  expr1 "g < 0 ? 1 : 0"
  expr2 "b < 0 ? 1 : 0"
  name Expression1
  label NegativeCheck
  xpos 348
  ypos 258
 }
 Dilate {
  size 30
  name Dilate1
  selected true
  xpos 348
  ypos 294
 }
 Output {
  name Output1
  xpos 348
  ypos 394
 }
end_group