diff --git a/meteoinfo-geometry/src/main/java/org/meteoinfo/geometry/graphic/Line2DGraphic.java b/meteoinfo-geometry/src/main/java/org/meteoinfo/geometry/graphic/Line2DGraphic.java
index 378ff89a..a937cd55 100644
--- a/meteoinfo-geometry/src/main/java/org/meteoinfo/geometry/graphic/Line2DGraphic.java
+++ b/meteoinfo-geometry/src/main/java/org/meteoinfo/geometry/graphic/Line2DGraphic.java
@@ -76,7 +76,7 @@ public class Line2DGraphic extends Graphic {
         IndexIterator xIter = this.xData.getIndexIterator();
         IndexIterator yIter = this.yData.getIndexIterator();
         double x, y;
-        while (xIter.hasNext()) {
+        while (xIter.hasNext() && yIter.hasNext()) {
             x = xIter.getDoubleNext();
             y = yIter.getDoubleNext();
             if (Double.isNaN(x) || Double.isNaN(y)) {
diff --git a/meteoinfo-lab/milconfig.xml b/meteoinfo-lab/milconfig.xml
index 1c42fb8c..76a9e7c7 100644
--- a/meteoinfo-lab/milconfig.xml
+++ b/meteoinfo-lab/milconfig.xml
@@ -1,32 +1,32 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <MeteoInfo File="milconfig.xml" Type="configurefile">
-  <Path OpenPath="D:\Working\MIScript\Jython\mis\map\webmap">
-    <RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\surf"/>
-    <RecentFolder Folder="D:\Working\MIScript\Jython\mis\io\radar\cinrad"/>
-    <RecentFolder Folder="D:\Working\MIScript\Jython\mis\chart"/>
-    <RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\contour"/>
+  <Path OpenPath="D:\Working\MIScript\Jython\mis\plot_types\plot">
     <RecentFolder Folder="D:\Working\MIScript\Jython\mis\chart\legend"/>
     <RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\slice"/>
-    <RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types"/>
     <RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\imshow"/>
     <RecentFolder Folder="D:\Working\MIScript\Jython\mis\io\radar"/>
     <RecentFolder Folder="D:\Working\MIScript\Jython\mis\io\dataconvert"/>
     <RecentFolder Folder="D:\Working\MIScript\Jython\mis\io"/>
     <RecentFolder Folder="D:\Working\MIScript\Jython\mis\io\grib"/>
-    <RecentFolder Folder="D:\Working\MIScript\Jython\mis"/>
     <RecentFolder Folder="D:\Working\MIScript\Jython\mis\map"/>
     <RecentFolder Folder="D:\Working\MIScript\Jython\mis\map\webmap"/>
+    <RecentFolder Folder="D:\Working\MIScript\Jython\mis"/>
+    <RecentFolder Folder="D:\Working\MIScript\Jython\mis\array"/>
+    <RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\funny"/>
+    <RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\animation"/>
+    <RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types"/>
+    <RecentFolder Folder="D:\Working\MIScript\Jython\mis\plot_types\plot"/>
   </Path>
   <File>
     <OpenedFiles>
       <OpenedFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\slice\slice_2d.py"/>
-      <OpenedFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\slice\plot_cuace_3d_slice.py"/>
-      <OpenedFile File="D:\Working\MIScript\Jython\mis\map\webmap\webmap_4.py"/>
+      <OpenedFile File="D:\Working\MIScript\Jython\mis\plot_types\funny\ghost_halloween.py"/>
+      <OpenedFile File="D:\Working\MIScript\Jython\mis\plot_types\funny\math_man.py"/>
     </OpenedFiles>
     <RecentFiles>
       <RecentFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\slice\slice_2d.py"/>
-      <RecentFile File="D:\Working\MIScript\Jython\mis\plot_types\3d\jogl\slice\plot_cuace_3d_slice.py"/>
-      <RecentFile File="D:\Working\MIScript\Jython\mis\map\webmap\webmap_4.py"/>
+      <RecentFile File="D:\Working\MIScript\Jython\mis\plot_types\funny\ghost_halloween.py"/>
+      <RecentFile File="D:\Working\MIScript\Jython\mis\plot_types\funny\math_man.py"/>
     </RecentFiles>
   </File>
   <Font>
@@ -34,5 +34,5 @@
   </Font>
   <LookFeel DockWindowDecorated="true" LafDecorated="true" Name="FlatDarkLaf"/>
   <Figure DoubleBuffering="true"/>
-  <Startup MainFormLocation="-7,0" MainFormSize="1361,832"/>
+  <Startup MainFormLocation="-7,-7" MainFormSize="1293,765"/>
 </MeteoInfo>
diff --git a/meteoinfo-lab/pylib/mipylib/numeric/core/_ndarray.py b/meteoinfo-lab/pylib/mipylib/numeric/core/_ndarray.py
index 837e7f2e..7b97d5e0 100644
--- a/meteoinfo-lab/pylib/mipylib/numeric/core/_ndarray.py
+++ b/meteoinfo-lab/pylib/mipylib/numeric/core/_ndarray.py
@@ -1285,24 +1285,38 @@ class NDArray(object):
         """
         self.flat[:] = value
 
-    def flatten(self):
+    def flatten(self, order='C'):
         """
         Return a copy of the array collapsed into one dimension.
 
+        :param order: (*str*) Optional. ['C' | 'F'], ‘C’ means to flatten in row-major (C-style) order.
+            ‘F’ means to flatten in column-major (Fortran- style) order. The default is ‘C’.
+
         :returns: (*NDArray*) A copy of the input array, flattened to one dimension.
         """
         shape = [self.size]
-        r = NDArray(self._array.reshape(shape))
+        if order.upper() == 'C':
+            r = NDArray(self._array.reshape(shape))
+        else:
+            r = self.swapaxes(-1, -2)
+            r = NDArray(r._array.reshape(shape))
         return r
 
-    def ravel(self):
+    def ravel(self, order='C'):
         """
         Return a contiguous flattened array.
 
+        :param order: (*str*) Optional. ['C' | 'F'], ‘C’ means to flatten in row-major (C-style) order.
+            ‘F’ means to flatten in column-major (Fortran- style) order. The default is ‘C’.
+
         :returns: (*NDArray*) A contiguous flattened array.
         """
         shape = [self.size]
-        r = NDArray(self._array.reshapeNoCopy(shape))
+        if order.upper() == 'C':
+            r = NDArray(self._array.reshapeNoCopy(shape))
+        else:
+            r = self.swapaxes(-1, -2)
+            r = NDArray(r._array.reshape(shape))
         return r
 
     def repeat(self, repeats, axis=None):
diff --git a/meteoinfo-lab/pylib/mipylib/plotlib/graphic/lines.py b/meteoinfo-lab/pylib/mipylib/plotlib/graphic/lines.py
index ea7b1751..1712ecde 100644
--- a/meteoinfo-lab/pylib/mipylib/plotlib/graphic/lines.py
+++ b/meteoinfo-lab/pylib/mipylib/plotlib/graphic/lines.py
@@ -68,6 +68,7 @@ class Line2D(Line2DGraphic, Artist):
 
         :param xdata: (*array*) The xdata.
         """
+        xdata = np.asarray(xdata)
         self._x = xdata
         self.setXData(xdata._array)
         self.stale = True
@@ -88,6 +89,7 @@ class Line2D(Line2DGraphic, Artist):
 
         :param ydata: (*array*) The ydata.
         """
+        ydata = np.asarray(ydata)
         self._y = ydata
         self.setYData(ydata._array)
         self.stale = True
@@ -125,6 +127,8 @@ class Line2D(Line2DGraphic, Artist):
             xdata = args[0]
             ydata = args[1]
 
+        xdata = np.asarray(xdata)
+        ydata = np.asarray(ydata)
         self._x = xdata
         self._y = ydata
         self.setData(xdata._array, ydata._array)