diff --git a/generic_data/defaultValuesConfig.json b/generic_data/defaultValuesConfig.json
index eedc6e7..a862878 100644
--- a/generic_data/defaultValuesConfig.json
+++ b/generic_data/defaultValuesConfig.json
@@ -264,7 +264,13 @@
 
 	"availableHistogram1DFunctions": [
 		{ "key": "density", "value": "Density" },
-		{ "key": "normdensity", "value": "Normalised Density" }
+		{ "key": "normdensity", "value": "Normalised Density" },
+		{ "key": "mean", "value": "Mean (of a 2nd parameter)" },
+		{ "key": "min", "value": "Minimum (of a 2nd parameter)" },
+		{ "key": "max", "value": "Maximum (of a 2nd parameter)" },
+		{ "key": "median", "value": "Median (of a 2nd parameter)" },
+		{ "key": "stadev", "value": "Sta. Dev. (of a 2nd parameter)" },
+		{ "key": "kurtosis", "value": "Kurtosis (of a 2nd parameter)" }
 	],
 
 	"availableHistogram1DStyles": [
diff --git a/js/app/models/PlotObjects/PlotHistogram1DSerieObject.js b/js/app/models/PlotObjects/PlotHistogram1DSerieObject.js
index b6e1912..4820926 100644
--- a/js/app/models/PlotObjects/PlotHistogram1DSerieObject.js
+++ b/js/app/models/PlotObjects/PlotHistogram1DSerieObject.js
@@ -20,6 +20,7 @@ Ext.define('amdaPlotObj.PlotHistogram1DSerieObject', {
         // {name: 'serie-xaxis-param', type: 'string'},
         // {name: 'serie-resampling-mode', type: 'string'},
 			  {name: 'histo1d-function', type: 'string'},
+			  {name: 'histotype-param', type: 'string' },
 			  {name: 'histo1d-xbinnumber', type: 'int'},
 			  {name: 'histo1d-style', type: 'string'},
 			  {name: 'histo1d-color', type: 'string', defaultValue: "none"}
@@ -35,7 +36,7 @@ Ext.define('amdaPlotObj.PlotHistogram1DSerieObject', {
     	// this.set('serie-xaxis-param', '');
     	// this.set('serie-resampling-mode', amdaDefaultValues.plot.serie.resamplingMode);
 		this.set('histo1d-function', amdaDefaultValues.plot.histogram1D.histo1DFunction);
-    	// this.set('histotype-param', '');
+    	this.set('histotype-param', '');
     	this.set('histo1d-xbinnumber', amdaDefaultValues.plot.histogram1D.xbinnumber);
     	this.set('histo1d-style', amdaDefaultValues.plot.histogram1D.histo1DStyle);
     	this.set('histo1d-color', amdaDefaultValues.plot.histogram1D.color);
@@ -49,7 +50,7 @@ Ext.define('amdaPlotObj.PlotHistogram1DSerieObject', {
     	// serieValues['serie-xaxis-param'] = this.get('serie-xaxis-param');
     	// serieValues['serie-resampling-mode'] = this.get('serie-resampling-mode');
     	serieValues['histo1d-function'] = this.get('histo1d-function');
-    	// serieValues['histotype-param'] = this.get('histotype-param');
+    	serieValues['histotype-param'] = this.get('histotype-param');
 		serieValues['histo1d-xbinnumber'] = this.get('histo1d-xbinnumber');
 		serieValues['histo1d-style'] = this.get('histo1d-style');
 		serieValues['histo1d-color'] = this.get('histo1d-color');
diff --git a/js/app/views/PlotComponents/PlotHistogram1DSerieForm.js b/js/app/views/PlotComponents/PlotHistogram1DSerieForm.js
index 78a79c3..9043f14 100644
--- a/js/app/views/PlotComponents/PlotHistogram1DSerieForm.js
+++ b/js/app/views/PlotComponents/PlotHistogram1DSerieForm.js
@@ -13,6 +13,7 @@ Ext.define('amdaPlotComp.PlotHistogram1DSerieForm', {
 
 	setObject: function (object) {
 		this.callParent(arguments);
+		this.updateOptions(this.object.get('histo1d-function'));
     },
 
 	setParentObject: function (parentObject) {
@@ -20,7 +21,12 @@ Ext.define('amdaPlotComp.PlotHistogram1DSerieForm', {
 		this.updateAxesRanges(parentObject);
 
 	},
+	updateOptions: function(functionType) {
+		var isDensity = (functionType == 'density') || (functionType == 'normdensity');
 
+		var yParamField = this.getForm().findField('histotype-param');
+		yParamField.setVisible(!isDensity)
+	},
 	updateAxesRanges: function(parentObject) {
 		var xAxisObj = parentObject.axes().getById('xaxis_id');
 		
@@ -85,11 +91,13 @@ Ext.define('amdaPlotComp.PlotHistogram1DSerieForm', {
 
 			this.addStandardCombo('histo1d-function', 'Function to apply', amdaDefaultConfigs.availableHistogram1DFunctions, function(name, value, oldValue) {
 				me.object.set('histo1d-function', value);
+				me.updateOptions(value);
 			}),
-			// this.addStandardParamDropTarget('histotype-param', 'Z Parameter', function(name, value, oldValue) {
-			// 	me.object.set('histotype-param', value);
-        	// 	me.crtTree.refresh();
-			// }),
+			this.addStandardParamDropTarget('histotype-param', 'Y Parameter', function(name, value, oldValue) {
+				me.object.set('histotype-param', value);
+        		me.crtTree.refresh();
+			}),
+
 			this.addStandardInteger('histo1d-xbinnumber', 'Nb. of bins'),
 			this.addColorsPicker('histo1d-color', 'Color', amdaDefaultConfigs.availableColorsNew, 'none')
 			
--
libgit2 0.21.2