diff --git a/src/common/script_system/meshlabfilterXMLspecificationformat.xsd b/src/common/script_system/meshlabfilterXMLspecificationformat.xsd
index ffac23980..d395ba6d0 100644
--- a/src/common/script_system/meshlabfilterXMLspecificationformat.xsd
+++ b/src/common/script_system/meshlabfilterXMLspecificationformat.xsd
@@ -52,6 +52,7 @@
 	 <xs:element ref='COLOR_GUI'/>
 	 <xs:element ref='SLIDER_GUI'/>
 	 <xs:element ref='ENUM_GUI'/>
+	 <xs:element ref='MESH_GUI'/>
     </xs:choice>
    </xs:sequence>
    <xs:attribute name='parType' use='required'>
@@ -61,8 +62,8 @@
 	  <xs:pattern value='Int'/>
       <xs:pattern value='Real'/>
 	  <xs:pattern value='Vec3'/>
-	  <xs:pattern value='Integer'/>
 	  <xs:pattern value='Color'/>
+	  <xs:pattern value='Mesh'/>
 	  <xs:pattern value='Enum \{(\s*\S+\s*\:\s*\d+\s*(\|)?)+\}'/>
      </xs:restriction>
     </xs:simpleType>
@@ -124,6 +125,12 @@
   </xs:complexType>
  </xs:element>
  
+  <xs:element name='MESH_GUI'>
+  <xs:complexType>
+   <xs:attribute name='guiLabel' type='xs:string' use='required'/>
+  </xs:complexType>
+ </xs:element>
+ 
  <xs:simpleType name="ArietyType">
   <xs:restriction base="xs:string">
     <xs:enumeration value="SingleMesh"/>
diff --git a/src/common/scriptinterface.cpp b/src/common/scriptinterface.cpp
index 938500b32..3b53a7fe2 100644
--- a/src/common/scriptinterface.cpp
+++ b/src/common/scriptinterface.cpp
@@ -410,6 +410,15 @@ Q_INVOKABLE MeshModelScriptInterface* MeshDocumentScriptInterface::current()
 		return NULL;
 }
 
+Q_INVOKABLE int MeshDocumentScriptInterface::currentId()
+{
+	MeshModel* model = md->mm();
+	if (model != NULL)
+		return model->id();
+	else
+		return -1;
+}
+
 Q_INVOKABLE int MeshDocumentScriptInterface::setCurrent(const int meshId)
 {
 	int id = md->mm()->id();
@@ -503,6 +512,11 @@ int EnvWrap::evalEnum( const QString& nm )
 	return evalInt(nm);
 }
 
+int EnvWrap::evalMesh(const QString& nm)
+{
+	return evalInt(nm);
+}
+
 QColor EnvWrap::evalColor( const QString& nm )
 {
 	QScriptValue result = evalExp(nm);
diff --git a/src/common/scriptinterface.h b/src/common/scriptinterface.h
index 77da57385..c9903677f 100644
--- a/src/common/scriptinterface.h
+++ b/src/common/scriptinterface.h
@@ -73,6 +73,7 @@ public:
 
 	Q_INVOKABLE MeshModelScriptInterface* getMesh(const int meshId);
 	Q_INVOKABLE MeshModelScriptInterface* current();
+	Q_INVOKABLE int currentId();
 	Q_INVOKABLE int setCurrent(const int meshId);
 	MeshDocument* md;
 };
@@ -148,6 +149,7 @@ public:
 	/*QString getExpType(const QString& nm);*/
 	QString evalString(const QString& nm);
 	int evalEnum( const QString& nm );
+	int evalMesh(const QString& nm);
 };
 
 QScriptValue EnvWrap_ctor(QScriptContext* c,QScriptEngine* e);
diff --git a/src/common/xmlfilterinfo.cpp b/src/common/xmlfilterinfo.cpp
index c1d16c977..5c4cc1299 100644
--- a/src/common/xmlfilterinfo.cpp
+++ b/src/common/xmlfilterinfo.cpp
@@ -52,12 +52,6 @@ QString XMLFilterInfo::floatGuiInfo(const QString& guiType,const QString& xmlvar
 	return defaultGuiInfo(guiType,xmlvariable) + externalSep() + MLXMLElNames::guiMinExpr + "={data(" + xmlvariable + "/@" + MLXMLElNames::guiMinExpr + ")}" + externalSep() + MLXMLElNames::guiMaxExpr + "={data(" + xmlvariable + "/@" + MLXMLElNames::guiMaxExpr + ")}";
 }
 
-QString XMLFilterInfo::enumGuiInfo( const QString& guiType,const QString& xmlvariable )
-{
-	return defaultGuiInfo(guiType,xmlvariable) + externalSep() + MLXMLElNames::guiValuesList + "={data(" + xmlvariable + "/@" + MLXMLElNames::guiValuesList + ")}";
-
-}
-
 QString XMLFilterInfo::guiTypeSwitchQueryText(const QString& var)
 {
 	QString base("typeswitch(" + var + ")");
@@ -68,8 +62,9 @@ QString XMLFilterInfo::guiTypeSwitchQueryText(const QString& var)
 	QString caseCOLOR("case element (" + MLXMLElNames::colorWidgetTag + ") return <p>" + defaultGuiInfo(MLXMLElNames::colorWidgetTag,var) + "</p>/string()");
 	QString caseSLIDER("case element (" + MLXMLElNames::sliderWidgetTag + ") return <p>" + floatGuiInfo(MLXMLElNames::sliderWidgetTag,var) + "</p>/string()");
 	QString caseENUM("case element (" + MLXMLElNames::enumWidgetTag + ") return <p>" + defaultGuiInfo(MLXMLElNames::enumWidgetTag,var) + "</p>/string()");
+	QString caseMESH("case element (" + MLXMLElNames::meshWidgetTag + ") return <p>" + defaultGuiInfo(MLXMLElNames::meshWidgetTag,var) + "</p>/string()");
 	QString errorMsg = "default return \"" + XMLFilterInfo::guiErrorMsg() + "\"";
-	return base + " " + caseABS + " " + caseBOOL + " " + caseEDIT + " " + caseVEC + " " + caseCOLOR + " " + caseSLIDER + " " + caseENUM + " " + errorMsg;
+	return base + " " + caseABS + " " + caseBOOL + " " + caseEDIT + " " + caseVEC + " " + caseCOLOR + " " + caseSLIDER + " " + caseENUM + " " + caseMESH + " " + errorMsg;
 }
 
 QStringList XMLFilterInfo::filterNames() const
diff --git a/src/common/xmlfilterinfo.h b/src/common/xmlfilterinfo.h
index 26efbbf3c..59521404f 100644
--- a/src/common/xmlfilterinfo.h
+++ b/src/common/xmlfilterinfo.h
@@ -62,7 +62,8 @@ namespace MLXMLElNames
 	const QString colorWidgetTag("COLOR_GUI");
 	const QString sliderWidgetTag("SLIDER_GUI");
 	const QString enumWidgetTag("ENUM_GUI");
-
+	const QString meshWidgetTag("MESH_GUI");	
+	
 	const QString mfiVersion("mfiVersion");
 
 	const QString pluginScriptName("pluginName");
@@ -98,6 +99,7 @@ namespace MLXMLElNames
 	const QString vec3Type("Vec3");
 	const QString colorType("Color");
 	const QString enumType("Enum");
+	const QString meshType("Mesh");
 
 	//ariety values
 	const QString singleMeshAriety("SingleMesh");
@@ -117,7 +119,6 @@ private:
 
 	static QString defaultGuiInfo(const QString& guiType,const QString& xmlvariable);
 	static QString floatGuiInfo(const QString& guiType,const QString& xmlvariable);
-	static QString enumGuiInfo(const QString& guiType,const QString& xmlvariable);
 	static QString guiErrorMsg() {return QString("Error: Unknown GUI widget requested");}
 	static QString guiTypeSwitchQueryText(const QString& var);
 	inline static const QString externalSep() {return QString("^");}