diff --git a/build/litegraph.js b/build/litegraph.js
index 37e454469..883837df2 100644
--- a/build/litegraph.js
+++ b/build/litegraph.js
@@ -7087,7 +7087,7 @@ if(typeof(LiteGraph) != "undefined")
 		return gl.textures;
 	}
 
-	//process the loading of a texture (overwrite if you have a Resources Manager)
+	//process the loading of a texture (overwrite it if you have a Resources Manager)
 	LGraphTexture.loadTexture = function(name, options)
 	{
 		options = options || {};
@@ -7930,7 +7930,7 @@ if(typeof(LiteGraph) != "undefined")
 		this.addInput("LUT","Texture");
 		this.addInput("Intensity","number");
 		this.addOutput("","Texture");
-		this.properties = { intensity: 1, precision: LGraphTexture.DEFAULT };
+		this.properties = { intensity: 1, precision: LGraphTexture.DEFAULT, texture: null };
 
 		if(!LGraphTextureLUT._shader)
 			LGraphTextureLUT._shader = new GL.Shader( Shader.SCREEN_VERTEX_SHADER, LGraphTextureLUT.pixel_shader );
@@ -7942,6 +7942,7 @@ if(typeof(LiteGraph) != "undefined")
 
 	LGraphTextureLUT.title = "LUT";
 	LGraphTextureLUT.desc = "Apply LUT to Texture";
+	LGraphTextureLUT.widgets_info = {"texture": { widget:"texture"} };
 
 	LGraphTextureLUT.prototype.onExecute = function()
 	{
@@ -7956,11 +7957,16 @@ if(typeof(LiteGraph) != "undefined")
 		if(!tex) return;
 
 		var lut_tex = this.getInputData(1);
+
+		if(!lut_tex)
+			lut_tex = LGraphTexture.getTexture( this.properties.texture );
+
 		if(!lut_tex)
 		{
 			this.setOutputData(0,tex);
 			return;
 		}
+
 		lut_tex.bind(0);
 		gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR );
 		gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );
diff --git a/build/litegraph.min.js b/build/litegraph.min.js
index c5d43fe60..7c5949528 100644
--- a/build/litegraph.min.js
+++ b/build/litegraph.min.js
@@ -232,9 +232,9 @@ LGraphTextureAverage.desc="Compute the total average of a texture and stores it
 c=this.properties.low_precision?gl.UNSIGNED_BYTE:a.type;b&&b.type==c||(this._temp_texture=new GL.Texture(1,1,{type:c,format:gl.RGBA,filter:gl.NEAREST}));var d=LGraphTextureAverage._shader;this._temp_texture.drawTo(function(){a.toViewport(d,{u_texture:0})});this.setOutputData(0,this._temp_texture)}};LGraphTextureAverage.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tuniform mat4 u_samples_a;\n\t\t\tuniform mat4 u_samples_b;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tvarying vec2 v_coord;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\tvec4 color = vec4(0.0);\n\t\t\t\tfor(int i = 0; i < 4; ++i)\n\t\t\t\t\tfor(int j = 0; j < 4; ++j)\n\t\t\t\t\t{\n\t\t\t\t\t\tcolor += texture2D(u_texture, vec2( u_samples_a[i][j], u_samples_b[i][j] ) );\n\t\t\t\t\t\tcolor += texture2D(u_texture, vec2( 1.0 - u_samples_a[i][j], u_samples_b[i][j] ) );\n\t\t\t\t\t}\n\t\t\t   gl_FragColor = color * 0.03125;\n\t\t\t}\n\t\t\t";
 LiteGraph.registerNodeType("texture/average",LGraphTextureAverage);var LGraphImageToTexture=function(){this.addInput("Image","image");this.addOutput("","Texture");this.properties={}};LGraphImageToTexture.title="Image to Texture";LGraphImageToTexture.desc="Uploads an image to the GPU";LGraphImageToTexture.prototype.onExecute=function(){var a=this.getInputData(0);if(a){var b=a.videoWidth||a.width,c=a.videoHeight||a.height;if(a.gltexture)this.setOutputData(0,a.gltexture);else{var d=this._temp_texture;
 d&&d.width==b&&d.height==c||(this._temp_texture=new GL.Texture(b,c,{format:gl.RGBA,filter:gl.LINEAR}));try{this._temp_texture.uploadImage(a)}catch(e){console.error("image comes from an unsafe location, cannot be uploaded to webgl");return}this.setOutputData(0,this._temp_texture)}}};LiteGraph.registerNodeType("texture/imageToTexture",LGraphImageToTexture);var LGraphTextureLUT=function(){this.addInput("Texture","Texture");this.addInput("LUT","Texture");this.addInput("Intensity","number");this.addOutput("",
-"Texture");this.properties={intensity:1,precision:LGraphTexture.DEFAULT};LGraphTextureLUT._shader||(LGraphTextureLUT._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,LGraphTextureLUT.pixel_shader))};LGraphTextureLUT.widgets_info={precision:{widget:"combo",values:LGraphTexture.MODE_VALUES}};LGraphTextureLUT.title="LUT";LGraphTextureLUT.desc="Apply LUT to Texture";LGraphTextureLUT.prototype.onExecute=function(){var a=this.getInputData(0);if(this.properties.precision===LGraphTexture.PASS_THROUGH)this.setOutputData(0,
-a);else if(a){var b=this.getInputData(1);if(b){b.bind(0);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.LINEAR);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE);gl.bindTexture(gl.TEXTURE_2D,null);var c=this.properties.intensity;this.isInputConnected(2)&&(this.properties.intensity=c=this.getInputData(2));this._tex=LGraphTexture.getTargetTexture(a,this._tex,this.properties.precision);this._tex.drawTo(function(){b.bind(1);
-a.toViewport(LGraphTextureLUT._shader,{u_texture:0,u_textureB:1,u_amount:c})});this.setOutputData(0,this._tex)}else this.setOutputData(0,a)}};LGraphTextureLUT.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tuniform float u_amount;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\t lowp vec4 textureColor = clamp( texture2D(u_texture, v_coord), vec4(0.0), vec4(1.0) );\n\t\t\t\t mediump float blueColor = textureColor.b * 63.0;\n\t\t\t\t mediump vec2 quad1;\n\t\t\t\t quad1.y = floor(floor(blueColor) / 8.0);\n\t\t\t\t quad1.x = floor(blueColor) - (quad1.y * 8.0);\n\t\t\t\t mediump vec2 quad2;\n\t\t\t\t quad2.y = floor(ceil(blueColor) / 8.0);\n\t\t\t\t quad2.x = ceil(blueColor) - (quad2.y * 8.0);\n\t\t\t\t highp vec2 texPos1;\n\t\t\t\t texPos1.x = (quad1.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);\n\t\t\t\t texPos1.y = 1.0 - ((quad1.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g));\n\t\t\t\t highp vec2 texPos2;\n\t\t\t\t texPos2.x = (quad2.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);\n\t\t\t\t texPos2.y = 1.0 - ((quad2.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g));\n\t\t\t\t lowp vec4 newColor1 = texture2D(u_textureB, texPos1);\n\t\t\t\t lowp vec4 newColor2 = texture2D(u_textureB, texPos2);\n\t\t\t\t lowp vec4 newColor = mix(newColor1, newColor2, fract(blueColor));\n\t\t\t\t gl_FragColor = vec4( mix( textureColor.rgb, newColor.rgb, u_amount), textureColor.w);\n\t\t\t}\n\t\t\t";
+"Texture");this.properties={intensity:1,precision:LGraphTexture.DEFAULT,texture:null};LGraphTextureLUT._shader||(LGraphTextureLUT._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,LGraphTextureLUT.pixel_shader))};LGraphTextureLUT.widgets_info={precision:{widget:"combo",values:LGraphTexture.MODE_VALUES}};LGraphTextureLUT.title="LUT";LGraphTextureLUT.desc="Apply LUT to Texture";LGraphTextureLUT.widgets_info={texture:{widget:"texture"}};LGraphTextureLUT.prototype.onExecute=function(){var a=this.getInputData(0);
+if(this.properties.precision===LGraphTexture.PASS_THROUGH)this.setOutputData(0,a);else if(a){var b=this.getInputData(1);b||(b=LGraphTexture.getTexture(this.properties.texture));if(b){b.bind(0);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.LINEAR);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE);gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE);gl.bindTexture(gl.TEXTURE_2D,null);var c=this.properties.intensity;this.isInputConnected(2)&&(this.properties.intensity=
+c=this.getInputData(2));this._tex=LGraphTexture.getTargetTexture(a,this._tex,this.properties.precision);this._tex.drawTo(function(){b.bind(1);a.toViewport(LGraphTextureLUT._shader,{u_texture:0,u_textureB:1,u_amount:c})});this.setOutputData(0,this._tex)}else this.setOutputData(0,a)}};LGraphTextureLUT.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform sampler2D u_textureB;\n\t\t\tuniform float u_amount;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t\t lowp vec4 textureColor = clamp( texture2D(u_texture, v_coord), vec4(0.0), vec4(1.0) );\n\t\t\t\t mediump float blueColor = textureColor.b * 63.0;\n\t\t\t\t mediump vec2 quad1;\n\t\t\t\t quad1.y = floor(floor(blueColor) / 8.0);\n\t\t\t\t quad1.x = floor(blueColor) - (quad1.y * 8.0);\n\t\t\t\t mediump vec2 quad2;\n\t\t\t\t quad2.y = floor(ceil(blueColor) / 8.0);\n\t\t\t\t quad2.x = ceil(blueColor) - (quad2.y * 8.0);\n\t\t\t\t highp vec2 texPos1;\n\t\t\t\t texPos1.x = (quad1.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);\n\t\t\t\t texPos1.y = 1.0 - ((quad1.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g));\n\t\t\t\t highp vec2 texPos2;\n\t\t\t\t texPos2.x = (quad2.x * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.r);\n\t\t\t\t texPos2.y = 1.0 - ((quad2.y * 0.125) + 0.5/512.0 + ((0.125 - 1.0/512.0) * textureColor.g));\n\t\t\t\t lowp vec4 newColor1 = texture2D(u_textureB, texPos1);\n\t\t\t\t lowp vec4 newColor2 = texture2D(u_textureB, texPos2);\n\t\t\t\t lowp vec4 newColor = mix(newColor1, newColor2, fract(blueColor));\n\t\t\t\t gl_FragColor = vec4( mix( textureColor.rgb, newColor.rgb, u_amount), textureColor.w);\n\t\t\t}\n\t\t\t";
 LiteGraph.registerNodeType("texture/LUT",LGraphTextureLUT);var LGraphTextureChannels=function(){this.addInput("Texture","Texture");this.addOutput("R","Texture");this.addOutput("G","Texture");this.addOutput("B","Texture");this.addOutput("A","Texture");this.properties={};LGraphTextureChannels._shader||(LGraphTextureChannels._shader=new GL.Shader(Shader.SCREEN_VERTEX_SHADER,LGraphTextureChannels.pixel_shader))};LGraphTextureChannels.title="Texture to Channels";LGraphTextureChannels.desc="Split texture channels";
 LGraphTextureChannels.prototype.onExecute=function(){var a=this.getInputData(0);if(a){this._channels||(this._channels=Array(4));for(var b=0,c=0;4>c;c++)this.isOutputConnected(c)?(this._channels[c]&&this._channels[c].width==a.width&&this._channels[c].height==a.height&&this._channels[c].type==a.type||(this._channels[c]=new GL.Texture(a.width,a.height,{type:a.type,format:gl.RGBA,filter:gl.LINEAR})),b++):this._channels[c]=null;if(b){gl.disable(gl.BLEND);gl.disable(gl.DEPTH_TEST);for(var d=Mesh.getScreenQuad(),
 e=LGraphTextureChannels._shader,f=[[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]],c=0;4>c;c++)this._channels[c]&&(this._channels[c].drawTo(function(){a.bind(0);e.uniforms({u_texture:0,u_mask:f[c]}).draw(d)}),this.setOutputData(c,this._channels[c]))}}};LGraphTextureChannels.pixel_shader="precision highp float;\n\t\t\tprecision highp float;\n\t\t\tvarying vec2 v_coord;\n\t\t\tuniform sampler2D u_texture;\n\t\t\tuniform vec4 u_mask;\n\t\t\t\n\t\t\tvoid main() {\n\t\t\t   gl_FragColor = vec4( vec3( length( texture2D(u_texture, v_coord) * u_mask )), 1.0 );\n\t\t\t}\n\t\t\t";
diff --git a/doc/classes/LGraph.html b/doc/classes/LGraph.html
index c29db6d13..2fecb1ec5 100644
--- a/doc/classes/LGraph.html
+++ b/doc/classes/LGraph.html
@@ -96,7 +96,7 @@
 
     
         <div class="foundat">
-            Defined in: <a href="../files/.._src_litegraph.js.html#l231"><code>..&#x2F;src&#x2F;litegraph.js:231</code></a>
+            Defined in: <a href="../files/.._src_litegraph.js.html#l234"><code>..&#x2F;src&#x2F;litegraph.js:234</code></a>
         </div>
     
 
@@ -147,7 +147,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l231"><code>..&#x2F;src&#x2F;litegraph.js:231</code></a>
+        <a href="../files/.._src_litegraph.js.html#l234"><code>..&#x2F;src&#x2F;litegraph.js:234</code></a>
         
         </p>
 
@@ -226,6 +226,13 @@
 
                                 
                                 
+                            </li>
+                        
+                            <li class="index-item method">
+                                <a href="#method_findNodesByClass">findNodesByClass</a>
+
+                                
+                                
                             </li>
                         
                             <li class="index-item method">
@@ -405,7 +412,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l593"><code>..&#x2F;src&#x2F;litegraph.js:593</code></a>
+        <a href="../files/.._src_litegraph.js.html#l596"><code>..&#x2F;src&#x2F;litegraph.js:596</code></a>
         
         </p>
 
@@ -494,7 +501,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l300"><code>..&#x2F;src&#x2F;litegraph.js:300</code></a>
+        <a href="../files/.._src_litegraph.js.html#l303"><code>..&#x2F;src&#x2F;litegraph.js:303</code></a>
         
         </p>
 
@@ -572,7 +579,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l255"><code>..&#x2F;src&#x2F;litegraph.js:255</code></a>
+        <a href="../files/.._src_litegraph.js.html#l258"><code>..&#x2F;src&#x2F;litegraph.js:258</code></a>
         
         </p>
 
@@ -637,7 +644,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1058"><code>..&#x2F;src&#x2F;litegraph.js:1058</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1076"><code>..&#x2F;src&#x2F;litegraph.js:1076</code></a>
         
         </p>
 
@@ -726,7 +733,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l319"><code>..&#x2F;src&#x2F;litegraph.js:319</code></a>
+        <a href="../files/.._src_litegraph.js.html#l322"><code>..&#x2F;src&#x2F;litegraph.js:322</code></a>
         
         </p>
 
@@ -769,6 +776,113 @@
     
 
     
+</div>
+
+                
+                    <div id="method_findNodesByClass" class="method item">
+    <h3 class="name"><code>findNodesByClass</code></h3>
+
+    
+        <div class="args">
+            <span class="paren">(</span><ul class="args-list inline commas">
+            
+                <li class="arg">
+                    
+                        <code>classObject</code>
+                    
+                </li>
+            
+            </ul><span class="paren">)</span>
+        </div>
+    
+
+    
+        <span class="returns-inline">
+            <span class="type">Array</span>
+        </span>
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    
+
+    <div class="meta">
+        
+            
+                
+                <p>
+                
+                Defined in
+                
+            
+        
+        
+        <a href="../files/.._src_litegraph.js.html#l723"><code>..&#x2F;src&#x2F;litegraph.js:723</code></a>
+        
+        </p>
+
+
+        
+
+        
+    </div>
+
+    <div class="description">
+        <p>Returns a list of nodes that matches a class</p>
+
+    </div>
+
+    
+        <div class="params">
+            <h4>Parameters:</h4>
+
+            <ul class="params-list">
+            
+                <li class="param">
+                    
+                        <code class="param-name">classObject</code>
+                        <span class="type">Class</span>
+                    
+
+                    
+
+                    <div class="param-description">
+                        <p>the class itself (not an string)</p>
+
+                    </div>
+
+                    
+                </li>
+            
+            </ul>
+        </div>
+    
+
+    
+        <div class="returns">
+            <h4>Returns:</h4>
+
+            <div class="returns-description">
+                
+                    
+                        <span class="type">Array</span>:
+                    
+                    <p>a list with all the nodes of this type</p>
+
+                
+            </div>
+        </div>
+    
+
+    
 </div>
 
                 
@@ -818,7 +932,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l737"><code>..&#x2F;src&#x2F;litegraph.js:737</code></a>
+        <a href="../files/.._src_litegraph.js.html#l755"><code>..&#x2F;src&#x2F;litegraph.js:755</code></a>
         
         </p>
 
@@ -925,7 +1039,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l721"><code>..&#x2F;src&#x2F;litegraph.js:721</code></a>
+        <a href="../files/.._src_litegraph.js.html#l739"><code>..&#x2F;src&#x2F;litegraph.js:739</code></a>
         
         </p>
 
@@ -1022,7 +1136,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l546"><code>..&#x2F;src&#x2F;litegraph.js:546</code></a>
+        <a href="../files/.._src_litegraph.js.html#l549"><code>..&#x2F;src&#x2F;litegraph.js:549</code></a>
         
         </p>
 
@@ -1096,7 +1210,7 @@ if the nodes are using graphical actions</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l535"><code>..&#x2F;src&#x2F;litegraph.js:535</code></a>
+        <a href="../files/.._src_litegraph.js.html#l538"><code>..&#x2F;src&#x2F;litegraph.js:538</code></a>
         
         </p>
 
@@ -1175,7 +1289,7 @@ if the nodes are using graphical actions</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l708"><code>..&#x2F;src&#x2F;litegraph.js:708</code></a>
+        <a href="../files/.._src_litegraph.js.html#l711"><code>..&#x2F;src&#x2F;litegraph.js:711</code></a>
         
         </p>
 
@@ -1279,7 +1393,7 @@ if the nodes are using graphical actions</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l753"><code>..&#x2F;src&#x2F;litegraph.js:753</code></a>
+        <a href="../files/.._src_litegraph.js.html#l771"><code>..&#x2F;src&#x2F;litegraph.js:771</code></a>
         
         </p>
 
@@ -1408,7 +1522,7 @@ if the nodes are using graphical actions</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l524"><code>..&#x2F;src&#x2F;litegraph.js:524</code></a>
+        <a href="../files/.._src_litegraph.js.html#l527"><code>..&#x2F;src&#x2F;litegraph.js:527</code></a>
         
         </p>
 
@@ -1477,7 +1591,7 @@ if the nodes are using graphical actions</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l992"><code>..&#x2F;src&#x2F;litegraph.js:992</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1010"><code>..&#x2F;src&#x2F;litegraph.js:1010</code></a>
         
         </p>
 
@@ -1542,7 +1656,7 @@ if the nodes are using graphical actions</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l642"><code>..&#x2F;src&#x2F;litegraph.js:642</code></a>
+        <a href="../files/.._src_litegraph.js.html#l645"><code>..&#x2F;src&#x2F;litegraph.js:645</code></a>
         
         </p>
 
@@ -1631,7 +1745,7 @@ if the nodes are using graphical actions</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l382"><code>..&#x2F;src&#x2F;litegraph.js:382</code></a>
+        <a href="../files/.._src_litegraph.js.html#l385"><code>..&#x2F;src&#x2F;litegraph.js:385</code></a>
         
         </p>
 
@@ -1726,7 +1840,7 @@ if the nodes are using graphical actions</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l558"><code>..&#x2F;src&#x2F;litegraph.js:558</code></a>
+        <a href="../files/.._src_litegraph.js.html#l561"><code>..&#x2F;src&#x2F;litegraph.js:561</code></a>
         
         </p>
 
@@ -1825,7 +1939,7 @@ if the nodes are using graphical actions</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1025"><code>..&#x2F;src&#x2F;litegraph.js:1025</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1043"><code>..&#x2F;src&#x2F;litegraph.js:1043</code></a>
         
         </p>
 
@@ -1910,7 +2024,7 @@ if the nodes are using graphical actions</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l940"><code>..&#x2F;src&#x2F;litegraph.js:940</code></a>
+        <a href="../files/.._src_litegraph.js.html#l958"><code>..&#x2F;src&#x2F;litegraph.js:958</code></a>
         
         </p>
 
@@ -2020,7 +2134,7 @@ can be easily accesed from the outside of the graph</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l955"><code>..&#x2F;src&#x2F;litegraph.js:955</code></a>
+        <a href="../files/.._src_litegraph.js.html#l973"><code>..&#x2F;src&#x2F;litegraph.js:973</code></a>
         
         </p>
 
@@ -2123,7 +2237,7 @@ can be easily accesed from the outside of the graph</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l333"><code>..&#x2F;src&#x2F;litegraph.js:333</code></a>
+        <a href="../files/.._src_litegraph.js.html#l336"><code>..&#x2F;src&#x2F;litegraph.js:336</code></a>
         
         </p>
 
@@ -2202,7 +2316,7 @@ can be easily accesed from the outside of the graph</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l360"><code>..&#x2F;src&#x2F;litegraph.js:360</code></a>
+        <a href="../files/.._src_litegraph.js.html#l363"><code>..&#x2F;src&#x2F;litegraph.js:363</code></a>
         
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@@ -2257,7 +2371,7 @@ can be easily accesed from the outside of the graph</p>
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l426"><code>..&#x2F;src&#x2F;litegraph.js:426</code></a>
+        <a href="../files/.._src_litegraph.js.html#l429"><code>..&#x2F;src&#x2F;litegraph.js:429</code></a>
         
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diff --git a/doc/classes/LGraphCanvas.html b/doc/classes/LGraphCanvas.html
index 16eeb2934..5cfdb1acf 100644
--- a/doc/classes/LGraphCanvas.html
+++ b/doc/classes/LGraphCanvas.html
@@ -96,7 +96,7 @@
 
     
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-            Defined in: <a href="../files/.._src_litegraph.js.html#l2374"><code>..&#x2F;src&#x2F;litegraph.js:2374</code></a>
+            Defined in: <a href="../files/.._src_litegraph.js.html#l2397"><code>..&#x2F;src&#x2F;litegraph.js:2397</code></a>
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@@ -163,7 +163,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l2374"><code>..&#x2F;src&#x2F;litegraph.js:2374</code></a>
+        <a href="../files/.._src_litegraph.js.html#l2397"><code>..&#x2F;src&#x2F;litegraph.js:2397</code></a>
         
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@@ -353,7 +353,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l2052"><code>..&#x2F;src&#x2F;litegraph.js:2052</code></a>
+        <a href="../files/.._src_litegraph.js.html#l2075"><code>..&#x2F;src&#x2F;litegraph.js:2075</code></a>
         
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@@ -418,7 +418,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l2161"><code>..&#x2F;src&#x2F;litegraph.js:2161</code></a>
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@@ -501,7 +501,7 @@
             
         
         
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@@ -580,7 +580,7 @@
             
         
         
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@@ -668,7 +668,7 @@
             
         
         
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+        <a href="../files/.._src_litegraph.js.html#l2199"><code>..&#x2F;src&#x2F;litegraph.js:2199</code></a>
         
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@@ -757,7 +757,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l2106"><code>..&#x2F;src&#x2F;litegraph.js:2106</code></a>
+        <a href="../files/.._src_litegraph.js.html#l2129"><code>..&#x2F;src&#x2F;litegraph.js:2129</code></a>
         
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@@ -835,7 +835,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l2402"><code>..&#x2F;src&#x2F;litegraph.js:2402</code></a>
+        <a href="../files/.._src_litegraph.js.html#l2425"><code>..&#x2F;src&#x2F;litegraph.js:2425</code></a>
         
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@@ -890,7 +890,7 @@
             
         
         
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+        <a href="../files/.._src_litegraph.js.html#l2448"><code>..&#x2F;src&#x2F;litegraph.js:2448</code></a>
         
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diff --git a/doc/classes/LGraphNode.html b/doc/classes/LGraphNode.html
index 862e41ea3..03e383242 100644
--- a/doc/classes/LGraphNode.html
+++ b/doc/classes/LGraphNode.html
@@ -96,7 +96,7 @@
 
     
         <div class="foundat">
-            Defined in: <a href="../files/.._src_litegraph.js.html#l1137"><code>..&#x2F;src&#x2F;litegraph.js:1137</code></a>
+            Defined in: <a href="../files/.._src_litegraph.js.html#l1155"><code>..&#x2F;src&#x2F;litegraph.js:1155</code></a>
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@@ -415,7 +415,7 @@
             
         
         
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+        <a href="../files/.._src_litegraph.js.html#l1569"><code>..&#x2F;src&#x2F;litegraph.js:1569</code></a>
         
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@@ -563,7 +563,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1486"><code>..&#x2F;src&#x2F;litegraph.js:1486</code></a>
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@@ -608,7 +608,7 @@
                     
 
                     <div class="param-description">
-                        <p>string defining the input type (&quot;vec3&quot;,&quot;number&quot;,...)</p>
+                        <p>string defining the input type (&quot;vec3&quot;,&quot;number&quot;,...), it its a generic one use 0</p>
 
                     </div>
 
@@ -683,7 +683,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1507"><code>..&#x2F;src&#x2F;litegraph.js:1507</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1530"><code>..&#x2F;src&#x2F;litegraph.js:1530</code></a>
         
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@@ -784,7 +784,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1426"><code>..&#x2F;src&#x2F;litegraph.js:1426</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1448"><code>..&#x2F;src&#x2F;litegraph.js:1448</code></a>
         
         </p>
 
@@ -845,7 +845,7 @@
                     
 
                     <div class="param-description">
-                        <p>this can be used to have special properties of an output (special color, position, etc)</p>
+                        <p>this can be used to have special properties of an output (label, special color, position, etc)</p>
 
                     </div>
 
@@ -904,7 +904,7 @@
             
         
         
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+        <a href="../files/.._src_litegraph.js.html#l1469"><code>..&#x2F;src&#x2F;litegraph.js:1469</code></a>
         
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@@ -983,7 +983,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1978"><code>..&#x2F;src&#x2F;litegraph.js:1978</code></a>
+        <a href="../files/.._src_litegraph.js.html#l2001"><code>..&#x2F;src&#x2F;litegraph.js:2001</code></a>
         
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@@ -1052,7 +1052,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1559"><code>..&#x2F;src&#x2F;litegraph.js:1559</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1582"><code>..&#x2F;src&#x2F;litegraph.js:1582</code></a>
         
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@@ -1144,7 +1144,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1172"><code>..&#x2F;src&#x2F;litegraph.js:1172</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1190"><code>..&#x2F;src&#x2F;litegraph.js:1190</code></a>
         
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@@ -1225,7 +1225,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1639"><code>..&#x2F;src&#x2F;litegraph.js:1639</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1662"><code>..&#x2F;src&#x2F;litegraph.js:1662</code></a>
         
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@@ -1364,7 +1364,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1789"><code>..&#x2F;src&#x2F;litegraph.js:1789</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1812"><code>..&#x2F;src&#x2F;litegraph.js:1812</code></a>
         
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@@ -1477,7 +1477,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1722"><code>..&#x2F;src&#x2F;litegraph.js:1722</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1745"><code>..&#x2F;src&#x2F;litegraph.js:1745</code></a>
         
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@@ -1600,7 +1600,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1609"><code>..&#x2F;src&#x2F;litegraph.js:1609</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1632"><code>..&#x2F;src&#x2F;litegraph.js:1632</code></a>
         
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@@ -1707,7 +1707,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1624"><code>..&#x2F;src&#x2F;litegraph.js:1624</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1647"><code>..&#x2F;src&#x2F;litegraph.js:1647</code></a>
         
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@@ -1804,7 +1804,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1577"><code>..&#x2F;src&#x2F;litegraph.js:1577</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1600"><code>..&#x2F;src&#x2F;litegraph.js:1600</code></a>
         
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@@ -1893,7 +1893,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1846"><code>..&#x2F;src&#x2F;litegraph.js:1846</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1869"><code>..&#x2F;src&#x2F;litegraph.js:1869</code></a>
         
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@@ -2016,7 +2016,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1329"><code>..&#x2F;src&#x2F;litegraph.js:1329</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1349"><code>..&#x2F;src&#x2F;litegraph.js:1349</code></a>
         
         </p>
 
@@ -2027,7 +2027,7 @@
     </div>
 
     <div class="description">
-        <p>retrieves the input data from one slot</p>
+        <p>retrieves the input data (data traveling through the connection) from one slot</p>
 
     </div>
 
@@ -2122,7 +2122,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1355"><code>..&#x2F;src&#x2F;litegraph.js:1355</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1377"><code>..&#x2F;src&#x2F;litegraph.js:1377</code></a>
         
         </p>
 
@@ -2226,7 +2226,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1370"><code>..&#x2F;src&#x2F;litegraph.js:1370</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1392"><code>..&#x2F;src&#x2F;litegraph.js:1392</code></a>
         
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@@ -2330,7 +2330,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1397"><code>..&#x2F;src&#x2F;litegraph.js:1397</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1419"><code>..&#x2F;src&#x2F;litegraph.js:1419</code></a>
         
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@@ -2420,7 +2420,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1297"><code>..&#x2F;src&#x2F;litegraph.js:1297</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1315"><code>..&#x2F;src&#x2F;litegraph.js:1315</code></a>
         
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@@ -2489,7 +2489,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1343"><code>..&#x2F;src&#x2F;litegraph.js:1343</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1364"><code>..&#x2F;src&#x2F;litegraph.js:1364</code></a>
         
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@@ -2593,7 +2593,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1385"><code>..&#x2F;src&#x2F;litegraph.js:1385</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1407"><code>..&#x2F;src&#x2F;litegraph.js:1407</code></a>
         
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@@ -2703,7 +2703,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1587"><code>..&#x2F;src&#x2F;litegraph.js:1587</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1610"><code>..&#x2F;src&#x2F;litegraph.js:1610</code></a>
         
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@@ -2808,7 +2808,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1991"><code>..&#x2F;src&#x2F;litegraph.js:1991</code></a>
+        <a href="../files/.._src_litegraph.js.html#l2014"><code>..&#x2F;src&#x2F;litegraph.js:2014</code></a>
         
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@@ -2873,7 +2873,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1532"><code>..&#x2F;src&#x2F;litegraph.js:1532</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1555"><code>..&#x2F;src&#x2F;litegraph.js:1555</code></a>
         
         </p>
 
@@ -2961,7 +2961,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1472"><code>..&#x2F;src&#x2F;litegraph.js:1472</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1494"><code>..&#x2F;src&#x2F;litegraph.js:1494</code></a>
         
         </p>
 
@@ -3039,7 +3039,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1231"><code>..&#x2F;src&#x2F;litegraph.js:1231</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1249"><code>..&#x2F;src&#x2F;litegraph.js:1249</code></a>
         
         </p>
 
@@ -3110,7 +3110,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1310"><code>..&#x2F;src&#x2F;litegraph.js:1310</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1328"><code>..&#x2F;src&#x2F;litegraph.js:1328</code></a>
         
         </p>
 
@@ -3203,7 +3203,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l1285"><code>..&#x2F;src&#x2F;litegraph.js:1285</code></a>
+        <a href="../files/.._src_litegraph.js.html#l1303"><code>..&#x2F;src&#x2F;litegraph.js:1303</code></a>
         
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diff --git a/doc/classes/LiteGraph.html b/doc/classes/LiteGraph.html
index aa6bb784c..23ec6c4fd 100644
--- a/doc/classes/LiteGraph.html
+++ b/doc/classes/LiteGraph.html
@@ -298,7 +298,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l68"><code>..&#x2F;src&#x2F;litegraph.js:68</code></a>
+        <a href="../files/.._src_litegraph.js.html#l71"><code>..&#x2F;src&#x2F;litegraph.js:71</code></a>
         
         </p>
 
@@ -423,7 +423,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l109"><code>..&#x2F;src&#x2F;litegraph.js:109</code></a>
+        <a href="../files/.._src_litegraph.js.html#l112"><code>..&#x2F;src&#x2F;litegraph.js:112</code></a>
         
         </p>
 
@@ -530,7 +530,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l122"><code>..&#x2F;src&#x2F;litegraph.js:122</code></a>
+        <a href="../files/.._src_litegraph.js.html#l125"><code>..&#x2F;src&#x2F;litegraph.js:125</code></a>
         
         </p>
 
@@ -627,7 +627,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l144"><code>..&#x2F;src&#x2F;litegraph.js:144</code></a>
+        <a href="../files/.._src_litegraph.js.html#l147"><code>..&#x2F;src&#x2F;litegraph.js:147</code></a>
         
         </p>
 
@@ -712,7 +712,7 @@
             
         
         
-        <a href="../files/.._src_litegraph.js.html#l37"><code>..&#x2F;src&#x2F;litegraph.js:37</code></a>
+        <a href="../files/.._src_litegraph.js.html#l38"><code>..&#x2F;src&#x2F;litegraph.js:38</code></a>
         
         </p>
 
diff --git a/doc/data.json b/doc/data.json
index 96a98f800..ff262682c 100644
--- a/doc/data.json
+++ b/doc/data.json
@@ -38,7 +38,7 @@
             "plugin_for": [],
             "extension_for": [],
             "file": "../src/litegraph.js",
-            "line": 231,
+            "line": 234,
             "description": "LGraph is the class that contain a full graph. We instantiate one and add nodes to it, and then we can run the execution loop.",
             "is_constructor": 1
         },
@@ -51,7 +51,7 @@
             "plugin_for": [],
             "extension_for": [],
             "file": "../src/litegraph.js",
-            "line": 1137,
+            "line": 1155,
             "description": "Base Class for all the node type classes",
             "params": [
                 {
@@ -70,7 +70,7 @@
             "plugin_for": [],
             "extension_for": [],
             "file": "../src/litegraph.js",
-            "line": 2374,
+            "line": 2397,
             "description": "marks as dirty the canvas, this way it will be rendered again",
             "is_constructor": 1,
             "params": [
@@ -91,7 +91,7 @@
     "classitems": [
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             "file": "../src/litegraph.js",
-            "line": 37,
+            "line": 38,
             "description": "Register a node class so it can be listed when the user wants to create a new one",
             "itemtype": "method",
             "name": "registerNodeType",
@@ -111,7 +111,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 68,
+            "line": 71,
             "description": "Create a node of a given type with a name. The node is not attached to any graph yet.",
             "itemtype": "method",
             "name": "createNode",
@@ -136,7 +136,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 109,
+            "line": 112,
             "description": "Returns a registered node type with a given name",
             "itemtype": "method",
             "name": "getNodeType",
@@ -155,7 +155,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 122,
+            "line": 125,
             "description": "Returns a list of node types matching one category",
             "itemtype": "method",
             "name": "getNodeType",
@@ -174,7 +174,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 144,
+            "line": 147,
             "description": "Returns a list with all the node type categories",
             "itemtype": "method",
             "name": "getNodeTypesCategories",
@@ -186,7 +186,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 255,
+            "line": 258,
             "description": "Removes all nodes from this graph",
             "itemtype": "method",
             "name": "clear",
@@ -194,7 +194,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 300,
+            "line": 303,
             "description": "Attach Canvas to this graph",
             "itemtype": "method",
             "name": "attachCanvas",
@@ -209,7 +209,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 319,
+            "line": 322,
             "description": "Detach Canvas from this graph",
             "itemtype": "method",
             "name": "detachCanvas",
@@ -224,7 +224,7 @@
         },
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             "file": "../src/litegraph.js",
-            "line": 333,
+            "line": 336,
             "description": "Starts running this graph every interval milliseconds.",
             "itemtype": "method",
             "name": "start",
@@ -239,7 +239,7 @@
         },
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             "file": "../src/litegraph.js",
-            "line": 360,
+            "line": 363,
             "description": "Stops the execution loop of the graph",
             "itemtype": "method",
             "name": "stop execution",
@@ -247,7 +247,7 @@
         },
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             "file": "../src/litegraph.js",
-            "line": 382,
+            "line": 385,
             "description": "Run N steps (cycles) of the graph",
             "itemtype": "method",
             "name": "runStep",
@@ -262,7 +262,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 426,
+            "line": 429,
             "description": "Updates the graph execution order according to relevance of the nodes (nodes with only outputs have more relevance than\nnodes with only inputs.",
             "itemtype": "method",
             "name": "updateExecutionOrder",
@@ -270,7 +270,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 524,
+            "line": 527,
             "description": "Returns the amount of time the graph has been running in milliseconds",
             "itemtype": "method",
             "name": "getTime",
@@ -282,7 +282,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 535,
+            "line": 538,
             "description": "Returns the amount of time accumulated using the fixedtime_lapse var. This is used in context where the time increments should be constant",
             "itemtype": "method",
             "name": "getFixedTime",
@@ -294,7 +294,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 546,
+            "line": 549,
             "description": "Returns the amount of time it took to compute the latest iteration. Take into account that this number could be not correct\nif the nodes are using graphical actions",
             "itemtype": "method",
             "name": "getElapsedTime",
@@ -306,7 +306,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 558,
+            "line": 561,
             "description": "Sends an event to all the nodes, useful to trigger stuff",
             "itemtype": "method",
             "name": "sendEventToAllNodes",
@@ -326,7 +326,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 593,
+            "line": 596,
             "description": "Adds a new node instasnce to this graph",
             "itemtype": "method",
             "name": "add",
@@ -341,7 +341,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 642,
+            "line": 645,
             "description": "Removes a node from the graph",
             "itemtype": "method",
             "name": "remove",
@@ -356,7 +356,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 708,
+            "line": 711,
             "description": "Returns a node by its id.",
             "itemtype": "method",
             "name": "getNodeById",
@@ -371,7 +371,26 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 721,
+            "line": 723,
+            "description": "Returns a list of nodes that matches a class",
+            "itemtype": "method",
+            "name": "findNodesByClass",
+            "params": [
+                {
+                    "name": "classObject",
+                    "description": "the class itself (not an string)",
+                    "type": "Class"
+                }
+            ],
+            "return": {
+                "description": "a list with all the nodes of this type",
+                "type": "Array"
+            },
+            "class": "LGraph"
+        },
+        {
+            "file": "../src/litegraph.js",
+            "line": 739,
             "description": "Returns a list of nodes that matches a type",
             "itemtype": "method",
             "name": "findNodesByType",
@@ -390,7 +409,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 737,
+            "line": 755,
             "description": "Returns a list of nodes that matches a name",
             "itemtype": "method",
             "name": "findNodesByName",
@@ -409,7 +428,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 753,
+            "line": 771,
             "description": "Returns the top-most node in this position of the canvas",
             "itemtype": "method",
             "name": "getNodeOnPos",
@@ -438,7 +457,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 940,
+            "line": 958,
             "description": "Assigns a value to all the nodes that matches this name. This is used to create global variables of the node that\ncan be easily accesed from the outside of the graph",
             "itemtype": "method",
             "name": "setInputData",
@@ -458,7 +477,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 955,
+            "line": 973,
             "description": "Returns the value of the first node with this name. This is used to access global variables of the graph from the outside",
             "itemtype": "method",
             "name": "setInputData",
@@ -477,7 +496,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 992,
+            "line": 1010,
             "description": "returns if the graph is in live mode",
             "itemtype": "method",
             "name": "isLive",
@@ -485,7 +504,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1025,
+            "line": 1043,
             "description": "Creates a Object containing all the info about this graph, it can be serialized",
             "itemtype": "method",
             "name": "serialize",
@@ -497,7 +516,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1058,
+            "line": 1076,
             "description": "Configure a graph from a JSON string",
             "itemtype": "method",
             "name": "configure",
@@ -512,7 +531,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1172,
+            "line": 1190,
             "description": "configure a node from an object containing the serialized info",
             "itemtype": "method",
             "name": "configure",
@@ -520,7 +539,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1231,
+            "line": 1249,
             "description": "serialize the content",
             "itemtype": "method",
             "name": "serialize",
@@ -528,7 +547,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1285,
+            "line": 1303,
             "description": "serialize and stringify",
             "itemtype": "method",
             "name": "toString",
@@ -536,7 +555,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1297,
+            "line": 1315,
             "description": "get the title string",
             "itemtype": "method",
             "name": "getTitle",
@@ -544,7 +563,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1310,
+            "line": 1328,
             "description": "sets the output data",
             "itemtype": "method",
             "name": "setOutputData",
@@ -564,8 +583,8 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1329,
-            "description": "retrieves the input data from one slot",
+            "line": 1349,
+            "description": "retrieves the input data (data traveling through the connection) from one slot",
             "itemtype": "method",
             "name": "getInputData",
             "params": [
@@ -583,7 +602,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1343,
+            "line": 1364,
             "description": "tells you if there is a connection in one input slot",
             "itemtype": "method",
             "name": "isInputConnected",
@@ -602,7 +621,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1355,
+            "line": 1377,
             "description": "tells you info about an input connection (which node, type, etc)",
             "itemtype": "method",
             "name": "getInputInfo",
@@ -621,7 +640,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1370,
+            "line": 1392,
             "description": "tells you info about an output connection (which node, type, etc)",
             "itemtype": "method",
             "name": "getOutputInfo",
@@ -640,7 +659,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1385,
+            "line": 1407,
             "description": "tells you if there is a connection in one output slot",
             "itemtype": "method",
             "name": "isOutputConnected",
@@ -659,7 +678,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1397,
+            "line": 1419,
             "description": "retrieves all the nodes connected to this output slot",
             "itemtype": "method",
             "name": "getOutputNodes",
@@ -678,7 +697,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1426,
+            "line": 1448,
             "description": "add a new output slot to use in this node",
             "itemtype": "method",
             "name": "addOutput",
@@ -695,7 +714,7 @@
                 },
                 {
                     "name": "extra_info",
-                    "description": "this can be used to have special properties of an output (special color, position, etc)",
+                    "description": "this can be used to have special properties of an output (label, special color, position, etc)",
                     "type": "Object"
                 }
             ],
@@ -703,7 +722,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1447,
+            "line": 1469,
             "description": "add a new output slot to use in this node",
             "itemtype": "method",
             "name": "addOutputs",
@@ -718,7 +737,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1472,
+            "line": 1494,
             "description": "remove an existing output slot",
             "itemtype": "method",
             "name": "removeOutput",
@@ -733,7 +752,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1486,
+            "line": 1508,
             "description": "add a new input slot to use in this node",
             "itemtype": "method",
             "name": "addInput",
@@ -745,7 +764,7 @@
                 },
                 {
                     "name": "type",
-                    "description": "string defining the input type (\"vec3\",\"number\",...)",
+                    "description": "string defining the input type (\"vec3\",\"number\",...), it its a generic one use 0",
                     "type": "String"
                 },
                 {
@@ -758,7 +777,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1507,
+            "line": 1530,
             "description": "add several new input slots in this node",
             "itemtype": "method",
             "name": "addInputs",
@@ -773,7 +792,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1532,
+            "line": 1555,
             "description": "remove an existing input slot",
             "itemtype": "method",
             "name": "removeInput",
@@ -788,7 +807,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1546,
+            "line": 1569,
             "description": "add an special connection to this node (used for special kinds of graphs)",
             "itemtype": "method",
             "name": "addConnection",
@@ -818,7 +837,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1559,
+            "line": 1582,
             "description": "computes the size of a node according to its inputs and output slots",
             "itemtype": "method",
             "name": "computeSize",
@@ -837,7 +856,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1577,
+            "line": 1600,
             "description": "returns the bounding of the object, used for rendering purposes",
             "itemtype": "method",
             "name": "getBounding",
@@ -849,7 +868,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1587,
+            "line": 1610,
             "description": "checks if a point is inside the shape of a node",
             "itemtype": "method",
             "name": "isPointInsideNode",
@@ -873,7 +892,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1609,
+            "line": 1632,
             "description": "returns the input slot with a given name (used for dynamic slots), -1 if not found",
             "itemtype": "method",
             "name": "findInputSlot",
@@ -892,7 +911,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1624,
+            "line": 1647,
             "description": "returns the output slot with a given name (used for dynamic slots), -1 if not found",
             "itemtype": "method",
             "name": "findOutputSlot",
@@ -911,7 +930,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1639,
+            "line": 1662,
             "description": "connect this node output to the input of another node",
             "itemtype": "method",
             "name": "connect",
@@ -940,7 +959,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1722,
+            "line": 1745,
             "description": "disconnect one output to an specific node",
             "itemtype": "method",
             "name": "disconnectOutput",
@@ -964,7 +983,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1789,
+            "line": 1812,
             "description": "disconnect one input",
             "itemtype": "method",
             "name": "disconnectInput",
@@ -983,7 +1002,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1846,
+            "line": 1869,
             "description": "returns the center of a connection point in canvas coords",
             "itemtype": "method",
             "name": "getConnectionPos",
@@ -1007,7 +1026,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1978,
+            "line": 2001,
             "description": "Collapse the node to make it smaller on the canvas",
             "itemtype": "method",
             "name": "collapse",
@@ -1015,7 +1034,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 1991,
+            "line": 2014,
             "description": "Forces the node to do not move or realign on Z",
             "itemtype": "method",
             "name": "pin",
@@ -1023,7 +1042,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2052,
+            "line": 2075,
             "description": "clears all the data inside",
             "itemtype": "method",
             "name": "clear",
@@ -1031,7 +1050,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2106,
+            "line": 2129,
             "description": "assigns a graph, you can reasign graphs to the same canvas",
             "itemtype": "method",
             "name": "setGraph",
@@ -1046,7 +1065,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2134,
+            "line": 2157,
             "description": "opens a graph contained inside a node in the current graph",
             "itemtype": "method",
             "name": "openSubgraph",
@@ -1061,7 +1080,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2161,
+            "line": 2184,
             "description": "closes a subgraph contained inside a node",
             "itemtype": "method",
             "name": "closeSubgraph",
@@ -1076,7 +1095,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2176,
+            "line": 2199,
             "description": "assigns a canvas",
             "itemtype": "method",
             "name": "setCanvas",
@@ -1091,7 +1110,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2390,
+            "line": 2413,
             "description": "Used to attach the canvas in a popup",
             "itemtype": "method",
             "name": "getCanvasWindow",
@@ -1103,7 +1122,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2402,
+            "line": 2425,
             "description": "starts rendering the content of the canvas when needed",
             "itemtype": "method",
             "name": "startRendering",
@@ -1111,7 +1130,7 @@
         },
         {
             "file": "../src/litegraph.js",
-            "line": 2425,
+            "line": 2448,
             "description": "stops rendering the content of the canvas (to save resources)",
             "itemtype": "method",
             "name": "stopRendering",
diff --git a/doc/files/.._src_litegraph.js.html b/doc/files/.._src_litegraph.js.html
index da2cbab93..8e88f542b 100644
--- a/doc/files/.._src_litegraph.js.html
+++ b/doc/files/.._src_litegraph.js.html
@@ -127,6 +127,7 @@ var LiteGraph = {
 	debug: false,
 	throw_errors: true,
 	registered_node_types: {},
+	Nodes: {},
 
 	/**
 	* Register a node class so it can be listed when the user wants to create a new one
@@ -157,6 +158,8 @@ var LiteGraph = {
 					base_class.prototype[i] = LGraphNode.prototype[i];
 
 		this.registered_node_types[ type ] = base_class;
+		if(base_class.constructor.name)
+			this.Nodes[ base_class.constructor.name ] = base_class;
 	},
 
 	/**
@@ -811,6 +814,21 @@ LGraph.prototype.getNodeById = function(id)
 	return this._nodes_by_id[id];
 }
 
+/**
+* Returns a list of nodes that matches a class
+* @method findNodesByClass
+* @param {Class} classObject the class itself (not an string)
+* @return {Array} a list with all the nodes of this type
+*/
+
+LGraph.prototype.findNodesByClass = function(classObject)
+{
+	var r = [];
+	for(var i in this._nodes)
+		if(this._nodes[i].constructor === classObject)
+			r.push(this._nodes[i]);
+	return r;
+}
 
 /**
 * Returns a list of nodes that matches a type
@@ -1409,7 +1427,9 @@ LGraphNode.prototype.getTitle = function()
 */
 LGraphNode.prototype.setOutputData = function(slot,data)
 {
-	if(!this.outputs) return;
+	if(!this.outputs) 
+		return;
+
 	if(slot &gt; -1 &amp;&amp; slot &lt; this.outputs.length &amp;&amp; this.outputs[slot] &amp;&amp; this.outputs[slot].links != null)
 	{
 		for(var i = 0; i &lt; this.outputs[slot].links.length; i++)
@@ -1421,17 +1441,18 @@ LGraphNode.prototype.setOutputData = function(slot,data)
 }
 
 /**
-* retrieves the input data from one slot
+* retrieves the input data (data traveling through the connection) from one slot
 * @method getInputData
 * @param {number} slot
 * @return {*} data
 */
 LGraphNode.prototype.getInputData = function(slot)
 {
-	if(!this.inputs) return null;
+	if(!this.inputs) 
+		return; //undefined;
 	if(slot &lt; this.inputs.length &amp;&amp; this.inputs[slot].link != null)
 		return this.graph.links[ this.inputs[slot].link ].data;
-	return null;
+	return; //undefined;
 }
 
 /**
@@ -1442,7 +1463,8 @@ LGraphNode.prototype.getInputData = function(slot)
 */
 LGraphNode.prototype.isInputConnected = function(slot)
 {
-	if(!this.inputs) return null;
+	if(!this.inputs) 
+		return false;
 	return (slot &lt; this.inputs.length &amp;&amp; this.inputs[slot].link != null);
 }
 
@@ -1522,7 +1544,7 @@ LGraphNode.prototype.triggerOutput = function(slot,param)
 * @method addOutput
 * @param {string} name
 * @param {string} type string defining the output type (&quot;vec3&quot;,&quot;number&quot;,...)
-* @param {Object} extra_info this can be used to have special properties of an output (special color, position, etc)
+* @param {Object} extra_info this can be used to have special properties of an output (label, special color, position, etc)
 */
 LGraphNode.prototype.addOutput = function(name,type,extra_info)
 {
@@ -1581,11 +1603,12 @@ LGraphNode.prototype.removeOutput = function(slot)
 * add a new input slot to use in this node
 * @method addInput
 * @param {string} name
-* @param {string} type string defining the input type (&quot;vec3&quot;,&quot;number&quot;,...)
+* @param {string} type string defining the input type (&quot;vec3&quot;,&quot;number&quot;,...), it its a generic one use 0
 * @param {Object} extra_info this can be used to have special properties of an input (label, color, position, etc)
 */
 LGraphNode.prototype.addInput = function(name,type,extra_info)
 {
+	type = type || 0;
 	var o = {name:name,type:type,link:null};
 	if(extra_info)
 		for(var i in extra_info)
@@ -2603,7 +2626,7 @@ LGraphCanvas.prototype.processMouseDown = function(e)
 						var link_pos = n.getConnectionPos(true,i);
 						if( isInsideRectangle(e.canvasX, e.canvasY, link_pos[0] - 10, link_pos[1] - 5, 20,10) )
 						{
-							if(input.link)
+							if(input.link !== null)
 							{
 								n.disconnectInput(i);
 								this.dirty_bgcanvas = true;
@@ -2981,6 +3004,7 @@ LGraphCanvas.prototype.processKeyDown = function(e)
 	if(e.keyCode == 46 || e.keyCode == 8)
 	{
 		this.deleteSelectedNodes();
+		block_default = true;
 	}
 
 	//collapse
@@ -3277,8 +3301,8 @@ LGraphCanvas.prototype.drawFrontCanvas = function()
 	if(!ctx) //maybe is using webgl...
 		return;
 
-	if(ctx.start)
-		ctx.start();
+	if(ctx.start2D)
+		ctx.start2D();
 
 	var canvas = this.canvas;
 
@@ -3392,8 +3416,8 @@ LGraphCanvas.prototype.drawFrontCanvas = function()
 		//this.dirty_area = null;
 	}
 
-	if(ctx.finish) //this is a function I use in webgl renderer
-		ctx.finish();
+	if(ctx.finish2D) //this is a function I use in webgl renderer
+		ctx.finish2D();
 
 	this.dirty_canvas = false;
 }
@@ -4151,11 +4175,11 @@ LGraphCanvas.onMenuNodeInputs = function(node, e, prev_menu)
 		var entries = [];
 		for (var i in options)
 		{
-			var option = options[i];
-			var label = option[0];
-			if(option[2] &amp;&amp; option[2].label)
-				label = option[2].label;
-			entries.push({content: label, value: option});
+			var entry = options[i];
+			var label = entry[0];
+			if(entry[2] &amp;&amp; entry[2].label)
+				label = entry[2].label;
+			entries.push({content: label, value: entry});
 		}
 		var menu = LiteGraph.createContextualMenu(entries, {event: e, callback: inner_clicked, from: prev_menu});
 	}
@@ -4181,9 +4205,13 @@ LGraphCanvas.onMenuNodeOutputs = function(node, e, prev_menu)
 		var entries = [];
 		for (var i in options)
 		{
-			if(node.findOutputSlot(options[i][0]) != -1)
+			var entry = options[i];
+			if(node.findOutputSlot(entry[0]) != -1)
 				continue; //skip the ones already on
-			entries.push({content: options[i][0], value: options[i]});
+			var label = entry[0];
+			if(entry[2] &amp;&amp; entry[2].label)
+				label = entry[2].label;
+			entries.push({content: label, value: entry});
 		}
 		if(entries.length)
 			var menu = LiteGraph.createContextualMenu(entries, {event: e, callback: inner_clicked, from: prev_menu});
@@ -4191,7 +4219,8 @@ LGraphCanvas.onMenuNodeOutputs = function(node, e, prev_menu)
 
 	function inner_clicked(v)
 	{
-		if(!node) return;
+		if(!node)
+			return;
 
 		var value = v.value[1];
 
@@ -4204,7 +4233,7 @@ LGraphCanvas.onMenuNodeOutputs = function(node, e, prev_menu)
 			return false;
 		}
 		else
-			node.addOutput(v.value[0],v.value[1]);
+			node.addOutput(v.value[0], v.value[1], v.value[2]);
 	}
 
 	return false;
@@ -4517,7 +4546,7 @@ LiteGraph.createContextualMenu = function(values,options, ref_window)
 		LiteGraph.closeAllContextualMenus();
 
 	var root = ref_window.document.createElement(&quot;div&quot;);
-	root.className = &quot;litecontextualmenu litemenubar-panel&quot;;
+	root.className = &quot;graphcontextualmenu graphmenubar-panel&quot;;
 	this.root = root;
 	var style = root.style;
 
@@ -4539,11 +4568,11 @@ LiteGraph.createContextualMenu = function(values,options, ref_window)
 	{
 		var item = values[i];
 		var element = ref_window.document.createElement(&quot;div&quot;);
-		element.className = &quot;litemenu-entry&quot;;
+		element.className = &quot;graphmenu-entry&quot;;
 
 		if(item == null)
 		{
-			element.className = &quot;litemenu-entry separator&quot;;
+			element.className = &quot;graphmenu-entry separator&quot;;
 			root.appendChild(element);
 			continue;
 		}
@@ -4626,7 +4655,7 @@ LiteGraph.createContextualMenu = function(values,options, ref_window)
 		if(options.callback)
 		{
 			var ret = options.callback.call(root, this.data, e );
-			if( ret != undefined ) close = ret;
+			if( ret !== undefined ) close = ret;
 		}
 
 		if(close)
@@ -4651,7 +4680,7 @@ LiteGraph.createContextualMenu = function(values,options, ref_window)
 
 LiteGraph.closeAllContextualMenus = function()
 {
-	var elements = document.querySelectorAll(&quot;.litecontextualmenu&quot;);
+	var elements = document.querySelectorAll(&quot;.graphcontextualmenu&quot;);
 	if(!elements.length) return;
 
 	var result = [];
diff --git a/src/nodes/gltextures.js b/src/nodes/gltextures.js
index cf8f0facf..a8f8f9e19 100644
--- a/src/nodes/gltextures.js
+++ b/src/nodes/gltextures.js
@@ -39,7 +39,7 @@ if(typeof(LiteGraph) != "undefined")
 		return gl.textures;
 	}
 
-	//process the loading of a texture (overwrite if you have a Resources Manager)
+	//process the loading of a texture (overwrite it if you have a Resources Manager)
 	LGraphTexture.loadTexture = function(name, options)
 	{
 		options = options || {};
@@ -882,7 +882,7 @@ if(typeof(LiteGraph) != "undefined")
 		this.addInput("LUT","Texture");
 		this.addInput("Intensity","number");
 		this.addOutput("","Texture");
-		this.properties = { intensity: 1, precision: LGraphTexture.DEFAULT };
+		this.properties = { intensity: 1, precision: LGraphTexture.DEFAULT, texture: null };
 
 		if(!LGraphTextureLUT._shader)
 			LGraphTextureLUT._shader = new GL.Shader( Shader.SCREEN_VERTEX_SHADER, LGraphTextureLUT.pixel_shader );
@@ -894,6 +894,7 @@ if(typeof(LiteGraph) != "undefined")
 
 	LGraphTextureLUT.title = "LUT";
 	LGraphTextureLUT.desc = "Apply LUT to Texture";
+	LGraphTextureLUT.widgets_info = {"texture": { widget:"texture"} };
 
 	LGraphTextureLUT.prototype.onExecute = function()
 	{
@@ -908,11 +909,16 @@ if(typeof(LiteGraph) != "undefined")
 		if(!tex) return;
 
 		var lut_tex = this.getInputData(1);
+
+		if(!lut_tex)
+			lut_tex = LGraphTexture.getTexture( this.properties.texture );
+
 		if(!lut_tex)
 		{
 			this.setOutputData(0,tex);
 			return;
 		}
+
 		lut_tex.bind(0);
 		gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR );
 		gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE );