diff --git a/js/app/models/PlotObjects/PlotObjectConfig.js b/js/app/models/PlotObjects/PlotObjectConfig.js
index 403f6e4..a3c613f 100644
--- a/js/app/models/PlotObjects/PlotObjectConfig.js
+++ b/js/app/models/PlotObjects/PlotObjectConfig.js
@@ -140,7 +140,8 @@ Ext.define('amdaPlotObj.PlotObjectConfig', {
 			projection : 'XY'
 		},
 		spectro : {
-			yAxis : 'y-left'
+			yAxis : 'y-left',
+			resolution : 3000
 		},
 		legends : {
 			series : {
diff --git a/js/app/models/PlotObjects/PlotSpectroObject.js b/js/app/models/PlotObjects/PlotSpectroObject.js
index be768f7..6676610 100644
--- a/js/app/models/PlotObjects/PlotSpectroObject.js
+++ b/js/app/models/PlotObjects/PlotSpectroObject.js
@@ -22,6 +22,7 @@ Ext.define('amdaPlotObj.PlotSpectroObject', {
 	
 	fields : [
 	          {name: 'spectro-yaxis', type: 'string'},
+                  {name: 'spectro-resolution', type: 'int'},
 	          {name: 'spectro-value-min', type: 'float', useNull:true},
 	          {name: 'spectro-value-max', type: 'float', useNull:true},
 	          {name: 'spectro-log0-as-min', type: 'boolean'}
@@ -53,6 +54,7 @@ Ext.define('amdaPlotObj.PlotSpectroObject', {
     setDefaultValues: function()
     {
     	this.set('spectro-yaxis', amdaPlotObj.PlotObjectConfig.defaultValues.spectro.yAxis);
+	this.set('spectro-resolution', amdaPlotObj.PlotObjectConfig.defaultValues.spectro.resolution);
         this.set('spectro-log0-as-min', false);
     },
     
@@ -61,6 +63,7 @@ Ext.define('amdaPlotObj.PlotSpectroObject', {
     	var spectroValues  = new Object();
     	
     	spectroValues['spectro-yaxis'] = this.get('spectro-yaxis');
+	spectroValues['spectro-resolution'] = this.get('spectro-resolution');
     	spectroValues['spectro-value-min'] = this.get('spectro-value-min');
     	spectroValues['spectro-value-max'] = this.get('spectro-value-max');
         spectroValues['spectro-log0-as-min'] = this.get('spectro-log0-as-min');
diff --git a/js/app/views/PlotComponents/PlotSpectroForm.js b/js/app/views/PlotComponents/PlotSpectroForm.js
index 86481d7..d36bafa 100644
--- a/js/app/views/PlotComponents/PlotSpectroForm.js
+++ b/js/app/views/PlotComponents/PlotSpectroForm.js
@@ -26,6 +26,9 @@ Ext.define('amdaPlotComp.PlotSpectroForm', {
 	getFormItems: function() {
 		var me = this;
 		return [
+			this.addStandardCombo('spectro-resolution', 'Points per plot', amdaPlotObj.PlotObjectConfig.availableResolutions, function(name, value, oldValue) {
+                        	me.object.set('spectro-resolution', value);
+                    	}),
 			this.addStandardCombo('spectro-yaxis', 'Y axis', amdaPlotObj.PlotObjectConfig.availableYAxes, function(name, value, oldValue) {
 				me.object.set('spectro-yaxis', value);
 				me.crtTree.refresh();
--
libgit2 0.21.2