diff --git a/libraries/stdlib/stdlib_defs.mtlx b/libraries/stdlib/stdlib_defs.mtlx
index 239d16cae8..dfaa21ac96 100644
--- a/libraries/stdlib/stdlib_defs.mtlx
+++ b/libraries/stdlib/stdlib_defs.mtlx
@@ -471,7 +471,7 @@
   -->
   <nodedef name="ND_ramp" node="ramp" nodegroup="procedural2d">
     <input name="texcoord" type="vector2" defaultgeomprop="UV0" />
-    <input name="interpolation" type="integer" value="1" enum="linear,smooth" enumvalues="0,1" />
+    <input name="interpolation" type="integer" value="1" enum="linear,smooth,step" enumvalues="0,1,2" />
     <input name="num_intervals" type="integer" value="2" uimin="2" uimax="10" />
     <input name="interval1" type="float" value="0" uimin="0" uimax="1" />
     <input name="color1" type="color4" value="0,0,0,1" uimin="0,0,0,0" uimax="1,1,1,1" />
@@ -546,7 +546,7 @@
     <input name="interval2" type="float" value="1" uimin="0" uimax="1" />
     <input name="color1" type="color4" value="0,0,0,1" uimin="0,0,0,0" uimax="1,1,1,1" />
     <input name="color2" type="color4" value="1,1,1,1" uimin="0,0,0,0" uimax="1,1,1,1" />
-    <input name="interpolation" type="integer" value="1" enum="linear,smooth" enumvalues="0,1" />
+    <input name="interpolation" type="integer" value="1" enum="linear,smooth,step" enumvalues="0,1,2" />
     <input name="prev_color" type="color4" value="0,0,0,1" uimin="0,0,0,0" uimax="1,1,1,1" />
     <input name="interval_num" type="integer" value="1" />
     <input name="num_intervals" type="integer" value="10" />
diff --git a/libraries/stdlib/stdlib_ng.mtlx b/libraries/stdlib/stdlib_ng.mtlx
index 5a8aa34cb0..23377cc431 100644
--- a/libraries/stdlib/stdlib_ng.mtlx
+++ b/libraries/stdlib/stdlib_ng.mtlx
@@ -1139,7 +1139,6 @@
       <input name="in" type="vector2" interfacename="texcoord" />
     </separate2>
     <ramp_gradient name="ramp_gradient1" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interpolation" type="integer" interfacename="interpolation" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval_num" type="integer" value="1" />
@@ -1148,42 +1147,42 @@
       <input name="color1" type="color4" interfacename="color1" />
       <input name="prev_color" type="color4" interfacename="color1" />
       <input name="color2" type="color4" interfacename="color2" />
-    </ramp_gradient>
+      <input name="x" type="float" nodename="ramp_type_selector" />
+    </ramp_gradient> 
     <ramp_gradient name="ramp_gradient2" type="color4" nodedef="ND_ramp_gradient">
       <input name="prev_color" type="color4" nodename="ramp_gradient1" />
       <input name="interpolation" type="integer" interfacename="interpolation" />
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval_num" type="integer" value="2" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval1" type="float" interfacename="interval2" />
       <input name="interval2" type="float" interfacename="interval3" />
       <input name="color1" type="color4" interfacename="color2" />
       <input name="color2" type="color4" interfacename="color3" />
-    </ramp_gradient>
+      <input name="x" type="float" nodename="ramp_type_selector" />
+    </ramp_gradient> 
     <ramp_gradient name="ramp_gradient3" type="color4" nodedef="ND_ramp_gradient">
       <input name="prev_color" type="color4" nodename="ramp_gradient2" />
       <input name="interpolation" type="integer" interfacename="interpolation" />
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval_num" type="integer" value="3" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval1" type="float" interfacename="interval3" />
       <input name="interval2" type="float" interfacename="interval4" />
       <input name="color1" type="color4" interfacename="color3" />
       <input name="color2" type="color4" interfacename="color4" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient4" type="color4" nodedef="ND_ramp_gradient">
       <input name="prev_color" type="color4" nodename="ramp_gradient3" />
       <input name="interpolation" type="integer" interfacename="interpolation" />
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval_num" type="integer" value="4" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval1" type="float" interfacename="interval4" />
       <input name="interval2" type="float" interfacename="interval5" />
       <input name="color1" type="color4" interfacename="color4" />
       <input name="color2" type="color4" interfacename="color5" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient5" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="prev_color" type="color4" nodename="ramp_gradient4" />
       <input name="interpolation" type="integer" interfacename="interpolation" />
       <input name="interval_num" type="integer" value="5" />
@@ -1192,9 +1191,9 @@
       <input name="interval2" type="float" interfacename="interval6" />
       <input name="color1" type="color4" interfacename="color5" />
       <input name="color2" type="color4" interfacename="color6" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient6" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interpolation" type="integer" interfacename="interpolation" />
       <input name="prev_color" type="color4" nodename="ramp_gradient5" />
       <input name="interval_num" type="integer" value="6" />
@@ -1203,9 +1202,9 @@
       <input name="interval2" type="float" interfacename="interval7" />
       <input name="color1" type="color4" interfacename="color6" />
       <input name="color2" type="color4" interfacename="color7" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient7" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="prev_color" type="color4" nodename="ramp_gradient6" />
       <input name="interpolation" type="integer" interfacename="interpolation" />
       <input name="interval_num" type="integer" value="7" />
@@ -1214,9 +1213,9 @@
       <input name="interval2" type="float" interfacename="interval8" />
       <input name="color1" type="color4" interfacename="color7" />
       <input name="color2" type="color4" interfacename="color8" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient8" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interpolation" type="integer" interfacename="interpolation" />
       <input name="prev_color" type="color4" nodename="ramp_gradient7" />
       <input name="interval_num" type="integer" value="8" />
@@ -1225,9 +1224,9 @@
       <input name="interval2" type="float" interfacename="interval9" />
       <input name="color1" type="color4" interfacename="color8" />
       <input name="color2" type="color4" interfacename="color9" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient9" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interpolation" type="integer" interfacename="interpolation" />
       <input name="prev_color" type="color4" nodename="ramp_gradient8" />
       <input name="interval_num" type="integer" value="9" />
@@ -1236,9 +1235,9 @@
       <input name="interval2" type="float" interfacename="interval10" />
       <input name="color1" type="color4" interfacename="color9" />
       <input name="color2" type="color4" interfacename="color10" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient10" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval10" />
       <input name="interval2" type="float" interfacename="interval11" />
       <input name="color1" type="color4" interfacename="color10" />
@@ -1247,9 +1246,9 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient9" />
       <input name="interval_num" type="integer" value="10" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient11" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval11" />
       <input name="interval2" type="float" interfacename="interval12" />
       <input name="color1" type="color4" interfacename="color11" />
@@ -1258,9 +1257,9 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient10" />
       <input name="interval_num" type="integer" value="11" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient12" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval12" />
       <input name="interval2" type="float" interfacename="interval13" />
       <input name="color1" type="color4" interfacename="color12" />
@@ -1269,9 +1268,9 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient11" />
       <input name="interval_num" type="integer" value="12" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient13" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval13" />
       <input name="interval2" type="float" interfacename="interval14" />
       <input name="color1" type="color4" interfacename="color13" />
@@ -1280,9 +1279,9 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient12" />
       <input name="interval_num" type="integer" value="13" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient14" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval14" />
       <input name="interval2" type="float" interfacename="interval15" />
       <input name="color1" type="color4" interfacename="color14" />
@@ -1291,9 +1290,9 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient13" />
       <input name="interval_num" type="integer" value="14" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient15" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval15" />
       <input name="interval2" type="float" interfacename="interval16" />
       <input name="color1" type="color4" interfacename="color15" />
@@ -1302,10 +1301,10 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient14" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval_num" type="integer" value="15" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient16" type="color4" nodedef="ND_ramp_gradient">
       <input name="interval_num" type="integer" value="16" />
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval16" />
       <input name="interval2" type="float" interfacename="interval17" />
       <input name="color1" type="color4" interfacename="color16" />
@@ -1313,9 +1312,9 @@
       <input name="interpolation" type="integer" interfacename="interpolation" />
       <input name="prev_color" type="color4" nodename="ramp_gradient15" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient17" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval17" />
       <input name="interval2" type="float" interfacename="interval18" />
       <input name="color1" type="color4" interfacename="color17" />
@@ -1324,10 +1323,10 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient16" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval_num" type="integer" value="17" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient18" type="color4" nodedef="ND_ramp_gradient">
       <input name="interval_num" type="integer" value="18" />
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval18" />
       <input name="interval2" type="float" interfacename="interval19" />
       <input name="color1" type="color4" interfacename="color18" />
@@ -1335,9 +1334,9 @@
       <input name="interpolation" type="integer" interfacename="interpolation" />
       <input name="prev_color" type="color4" nodename="ramp_gradient17" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient19" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval19" />
       <input name="interval2" type="float" interfacename="interval20" />
       <input name="color1" type="color4" interfacename="color19" />
@@ -1346,9 +1345,9 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient18" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval_num" type="integer" value="19" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient20" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval20" />
       <input name="interval2" type="float" interfacename="interval21" />
       <input name="color1" type="color4" interfacename="color20" />
@@ -1357,9 +1356,9 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient19" />
       <input name="interval_num" type="integer" value="20" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient21" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval21" />
       <input name="interval2" type="float" interfacename="interval22" />
       <input name="color1" type="color4" interfacename="color21" />
@@ -1368,10 +1367,10 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient20" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval_num" type="integer" value="21" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient22" type="color4" nodedef="ND_ramp_gradient">
       <input name="interval_num" type="integer" value="22" />
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval22" />
       <input name="interval2" type="float" interfacename="interval23" />
       <input name="color1" type="color4" interfacename="color22" />
@@ -1379,9 +1378,9 @@
       <input name="interpolation" type="integer" interfacename="interpolation" />
       <input name="prev_color" type="color4" nodename="ramp_gradient21" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient23" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval23" />
       <input name="interval2" type="float" interfacename="interval24" />
       <input name="color1" type="color4" interfacename="color23" />
@@ -1390,9 +1389,9 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient22" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval_num" type="integer" value="23" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient24" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval24" />
       <input name="interval2" type="float" interfacename="interval25" />
       <input name="color1" type="color4" interfacename="color24" />
@@ -1401,9 +1400,9 @@
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval_num" type="integer" value="24" />
       <input name="prev_color" type="color4" nodename="ramp_gradient23" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient25" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval25" />
       <input name="interval2" type="float" interfacename="interval26" />
       <input name="color1" type="color4" interfacename="color25" />
@@ -1412,10 +1411,10 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient24" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval_num" type="integer" value="25" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient26" type="color4" nodedef="ND_ramp_gradient">
       <input name="interval_num" type="integer" value="26" />
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval26" />
       <input name="interval2" type="float" interfacename="interval27" />
       <input name="color1" type="color4" interfacename="color26" />
@@ -1423,9 +1422,9 @@
       <input name="interpolation" type="integer" interfacename="interpolation" />
       <input name="prev_color" type="color4" nodename="ramp_gradient25" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient27" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval27" />
       <input name="interval2" type="float" interfacename="interval28" />
       <input name="color1" type="color4" interfacename="color27" />
@@ -1434,9 +1433,9 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient26" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval_num" type="integer" value="27" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient28" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval28" />
       <input name="interval2" type="float" interfacename="interval29" />
       <input name="color1" type="color4" interfacename="color28" />
@@ -1445,9 +1444,9 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient27" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval_num" type="integer" value="28" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
     <ramp_gradient name="ramp_gradient29" type="color4" nodedef="ND_ramp_gradient">
-      <input name="x" type="float" nodename="separate1" output="outx" />
       <input name="interval1" type="float" interfacename="interval29" />
       <input name="interval2" type="float" interfacename="interval30" />
       <input name="color1" type="color4" interfacename="color29" />
@@ -1456,55 +1455,61 @@
       <input name="prev_color" type="color4" nodename="ramp_gradient28" />
       <input name="num_intervals" type="integer" interfacename="num_intervals" />
       <input name="interval_num" type="integer" value="29" />
+      <input name="x" type="float" nodename="ramp_type_selector" />
     </ramp_gradient>
-    <output name="out" type="color4" nodename="ramp_gradient29" />
-  </nodegraph>
-
-  <!--
-    Node <ramp_gradient>
-    Used by the ramp node to support up to 30 control points.
-  -->
-  <nodegraph name="NG_ramp_gradient" nodedef="ND_ramp_gradient">
-    <mix name="mix3" type="color4" nodedef="ND_mix_color4">
-      <input name="fg" type="color4" ldx_value="0, 0, 0, 1" interfacename="color2" />
-      <input name="bg" type="color4" ldx_value="0, 0, 0, 1" interfacename="color1" />
-      <input name="mix" type="float" ldx_value="0" nodename="interpolation_selector" />
-    </mix>
-    <switch name="interpolation_selector" type="float" nodedef="ND_switch_floatI">
-      <input name="which" type="integer" interfacename="interpolation" />
-      <input name="in1" type="float" nodename="remap3" />
-      <input name="in2" type="float" nodename="smoothstep3" />
+    <switch name="ramp_type_selector" type="float" nodedef="ND_switch_floatI">
+      <input name="which" type="integer" interfacename="type" />
+      <input name="in2" type="float" nodename="radial_add" />
+      <input name="in1" type="float" nodename="separate1" output="outx" />
+      <input name="in4" type="float" nodename="box_ifgreater" />
+      <input name="in3" type="float" nodename="circular_magnitude" />
     </switch>
-    <remap name="remap3" type="float" nodedef="ND_remap_float">
-      <input name="in" type="float" ldx_value="0" nodename="clamp3" />
-      <input name="inlow" type="float" ldx_value="0" interfacename="interval1" />
-      <input name="inhigh" type="float" ldx_value="1" interfacename="interval2" />
-      <input name="outlow" type="float" value="0" />
-      <input name="outhigh" type="float" value="1" />
-    </remap>
-    <smoothstep name="smoothstep3" type="float" nodedef="ND_smoothstep_float">
-      <input name="in" type="float" ldx_value="0" interfacename="x" />
-      <input name="low" type="float" ldx_value="0" interfacename="interval1" />
-      <input name="high" type="float" ldx_value="1" interfacename="interval2" />
-    </smoothstep>
-    <clamp name="clamp3" type="float" nodedef="ND_clamp_float">
-      <input name="in" type="float" ldx_value="0" interfacename="x" />
-      <input name="low" type="float" ldx_value="0" interfacename="interval1" />
-      <input name="high" type="float" ldx_value="1" interfacename="interval2" />
-    </clamp>
-    <ifgreater name="ifgreater3" type="color4" nodedef="ND_ifgreater_color4">
-      <input name="value1" type="float" ldx_value="1" interfacename="x" />
-      <input name="value2" type="float" ldx_value="0" interfacename="interval1" />
-      <input name="in1" type="color4" ldx_value="0, 0, 0, 1" nodename="mix3" />
-      <input name="in2" type="color4" ldx_value="0, 0, 0, 1" interfacename="prev_color" />
-    </ifgreater>
-    <ifgreater name="ifgreatereq1" type="color4" nodedef="ND_ifgreatereq_color4I">
-      <input name="value1" type="integer" interfacename="interval_num" />
-      <input name="value2" type="integer" interfacename="num_intervals" />
-      <input name="in1" type="color4" interfacename="prev_color" />
-      <input name="in2" type="color4" nodename="ifgreater3" />
-    </ifgreater>
-    <output name="out" type="color4" nodename="ifgreatereq1" />
+    <multiply name="box_multiply" type="vector2" nodedef="ND_multiply_vector2FA">
+      <input name="in2" type="float" value="2" />
+      <input name="in1" type="vector2" nodename="box_absval" />
+    </multiply>
+    <ifgreater name="box_ifgreater" type="float" nodedef="ND_ifgreater_float">
+      <input name="value1" type="float" nodename="separate6" output="outx" />
+      <input name="value2" type="float" nodename="separate6" output="outy" />
+      <input name="in1" type="float" nodename="separate7" output="outx" />
+      <input name="in2" type="float" nodename="separate7" output="outy" />
+    </ifgreater>
+    <absval name="box_absval" type="vector2" nodedef="ND_absval_vector2">
+      <input name="in" type="vector2" nodename="subtract_half" />
+    </absval>
+    <separate2 name="separate7" type="multioutput" nodedef="ND_separate2_vector2">
+      <input name="in" type="vector2" nodename="box_multiply" />
+    </separate2>
+    <separate2 name="separate6" type="multioutput" nodedef="ND_separate2_vector2">
+      <input name="in" type="vector2" nodename="box_absval" />
+    </separate2>
+    <atan2 name="radial_atan2" type="float" nodedef="ND_atan2_float">
+      <input name="in1" type="float" nodename="separate9" output="outx" />
+      <input name="in2" type="float" nodename="separate9" output="outy" />
+    </atan2>
+    <divide name="radial_divide" type="float" nodedef="ND_divide_float">
+      <input name="in1" type="float" nodename="radial_atan2" />
+      <input name="in2" type="float" value="6.28319" />
+    </divide>
+    <add name="radial_add" type="float" nodedef="ND_add_float">
+      <input name="in1" type="float" nodename="radial_divide" />
+      <input name="in2" type="float" value="0.5" />
+    </add>
+    <multiply name="circular_multiply" type="vector2" nodedef="ND_multiply_vector2FA">
+      <input name="in1" type="vector2" nodename="subtract_half" />
+      <input name="in2" type="float" value="1.414" />
+    </multiply>
+    <magnitude name="circular_magnitude" type="float" nodedef="ND_magnitude_vector2">
+      <input name="in" type="vector2" nodename="circular_multiply" />
+    </magnitude>
+    <subtract name="subtract_half" type="vector2" nodedef="ND_subtract_vector2FA">
+      <input name="in1" type="vector2" interfacename="texcoord" />
+      <input name="in2" type="float" value="0.5" />
+    </subtract>
+    <separate2 name="separate9" type="multioutput" nodedef="ND_separate2_vector2">
+      <input name="in" type="vector2" nodename="subtract_half" />
+    </separate2>
+    <output name="out" type="color4" nodename="ramp_gradient29" />
   </nodegraph>
 
   <!--
@@ -1686,6 +1691,65 @@
     <output name="out" type="vector4" nodename="N_mix_vector4" />
   </nodegraph>
 
+  <!--
+    Node <ramp_gradient>
+    Used by the ramp node to support up to 30 control points.
+  -->
+  <nodegraph name="NG_ramp_gradient" nodedef="ND_ramp_gradient">
+    <clamp name="linear_clamp" type="float" nodedef="ND_clamp_float">
+      <input name="in" type="float" interfacename="x" />
+      <input name="low" type="float" interfacename="interval1" />
+      <input name="high" type="float" interfacename="interval2" />
+    </clamp>
+    <remap name="linear_remap" type="float" nodedef="ND_remap_float">
+      <input name="in" type="float" nodename="linear_clamp" />
+      <input name="inlow" type="float" interfacename="interval1" />
+      <input name="inhigh" type="float" interfacename="interval2" />
+      <input name="outlow" type="float" value="0" />
+      <input name="outhigh" type="float" value="1" />
+    </remap>
+    <smoothstep name="smoothstep" type="float" nodedef="ND_smoothstep_float">
+      <input name="in" type="float" interfacename="x" />
+      <input name="low" type="float" interfacename="interval1" />
+      <input name="high" type="float" interfacename="interval2" />
+    </smoothstep>
+    <switch name="interpolation_selector" type="float" nodedef="ND_switch_floatI">
+      <input name="which" type="integer" interfacename="interpolation" />
+      <input name="in1" type="float" nodename="linear_remap" />
+      <input name="in2" type="float" nodename="smoothstep" />
+    </switch>
+    <mix name="mix3" type="color4" nodedef="ND_mix_color4">
+      <input name="fg" type="color4" interfacename="color2" />
+      <input name="bg" type="color4" interfacename="color1" />
+      <input name="mix" type="float" nodename="interpolation_selector" />
+    </mix>
+    <ifgreater name="step_ifgreater" type="color4" nodedef="ND_ifgreater_color4">
+      <input name="value2" type="float" interfacename="x" />
+      <input name="in1" type="color4" interfacename="color1" />
+      <input name="in2" type="color4" interfacename="color2" />
+      <input name="value1" type="float" interfacename="interval2" />
+    </ifgreater>
+    <switch name="interpolation_selector2" type="color4" nodedef="ND_switch_color4I">
+      <input name="in1" type="color4" nodename="mix3" />
+      <input name="in2" type="color4" nodename="mix3" />
+      <input name="which" type="integer" interfacename="interpolation" />
+      <input name="in3" type="color4" nodename="step_ifgreater" />
+    </switch>
+    <ifgreater name="ifgreater3" type="color4" nodedef="ND_ifgreater_color4">
+      <input name="value1" type="float" interfacename="x" />
+      <input name="value2" type="float" interfacename="interval1" />
+      <input name="in1" type="color4" nodename="interpolation_selector2" />
+      <input name="in2" type="color4" interfacename="prev_color" />
+    </ifgreater>
+    <ifgreater name="ifgreatereq1" type="color4" nodedef="ND_ifgreatereq_color4I">
+      <input name="value1" type="integer" interfacename="interval_num" />
+      <input name="value2" type="integer" interfacename="num_intervals" />
+      <input name="in1" type="color4" interfacename="prev_color" />
+      <input name="in2" type="color4" nodename="ifgreater3" />
+    </ifgreater>
+    <output name="out" type="color4" nodename="ifgreatereq1" />
+  </nodegraph>
+
   <!--
     Node: <noise2d>
   -->