diff --git a/.gitignore b/.gitignore
index f558d11..d18128e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,11 @@
+invesalius/*.classpath
+invesalius/*.hg
 invesalius/*.log
+invesalius/*.project
 invesalius/*.pyc
+invesalius/*.swn
+invesalius/*.swo
+invesalius/*.swp
 invesalius/data/*.log
 invesalius/data/*.pyc
 invesalius/gui/*.log
diff --git a/invesalius/constants.py b/invesalius/constants.py
index 4991320..5128d58 100644
--- a/invesalius/constants.py
+++ b/invesalius/constants.py
@@ -239,7 +239,7 @@ ID_TO_BMP = {VOL_FRONT: ["Front", os.path.join(ICON_DIR, "view_front.png")],
              }
 
 # if 1, use vtkVolumeRaycastMapper, if 0, use vtkFixedPointVolumeRayCastMapper
-TYPE_RAYCASTING_MAPPER = 0
+TYPE_RAYCASTING_MAPPER = 1
 
 folder=RAYCASTING_PRESETS_DIRECTORY= os.path.abspath(os.path.join("..",
                                                                   "presets",
@@ -296,7 +296,7 @@ FILETYPE_VRML = wx.NewId()
 FILETYPE_OBJ = wx.NewId()
 FILETYPE_VTP = wx.NewId()
 FILETYPE_PLY = wx.NewId()
-
+ 
 FILETYPE_IMAGEDATA = wx.NewId()
 
 FILETYPE_BMP = wx.NewId()
diff --git a/invesalius/control.py b/invesalius/control.py
index 5bc6c04..cd05380 100755
--- a/invesalius/control.py
+++ b/invesalius/control.py
@@ -265,7 +265,7 @@ class Controller():
         
         if len(patients_groups):
             group = dcm.SelectLargerDicomGroup(patients_groups)
-            imagedata, dicom = self.OpenDicomGroup(group, gui=False)
+            imagedata, dicom = self.OpenDicomGroup(group, gui=True)
             self.CreateDicomProject(imagedata, dicom)
         # OPTION 2: ANALYZE?
         else:
diff --git a/invesalius/data/imagedata_utils.py b/invesalius/data/imagedata_utils.py
index 0dd210e..966630f 100644
--- a/invesalius/data/imagedata_utils.py
+++ b/invesalius/data/imagedata_utils.py
@@ -55,22 +55,31 @@ def ResampleImage2D(imagedata, xy_dimension,
     Resample vtkImageData matrix.
     """
     extent = imagedata.GetExtent()
+    print "-----------------------------"
+    print "extent:", extent
     spacing = imagedata.GetSpacing()
+    print "spacing:", spacing
 
-    if extent[1]==extent[3]:
-        f = extent[1]
-        x = 0
-        y = 1
+    #if extent[1]==extent[3]:
+    #    f = extent[1]
+    #elif extent[1]==extent[5]:
+    #    f = extent[1]
+    #elif extent[3]==extent[5]:
+    #    f = extent[3]
 
-    elif extent[1]==extent[5]:
+    if abs(extent[1]-extent[3]) < abs(extent[3]-extent[5]):
+        print 1
         f = extent[1]
-        x=0
-        y=2
-
-    elif extent[3]==extent[5]:
+    elif abs(extent[1]-extent[5]) < abs(extent[1] - extent[3]):
+        print 2
+        f = extent[1]
+    elif abs(extent[3]-extent[5]) < abs(extent[1] - extent[3]):
+        print 3
         f = extent[3]
-        x = 1
-        y = 2
+    else:
+        print 4
+        f = extent[1]
+        
 
     factor = xy_dimension/float(f+1)
 
diff --git a/invesalius/gui/dialogs.py b/invesalius/gui/dialogs.py
index 232257a..c5abd69 100644
--- a/invesalius/gui/dialogs.py
+++ b/invesalius/gui/dialogs.py
@@ -41,7 +41,9 @@ class NumberDialog(wx.Dialog):
 
         # Numeric value to be changed by user
         num_ctrl = masked.NumCtrl(self, value=value, integerWidth=3,
-                                    fractionWidth=2, allowNegative=True)
+                                    fractionWidth=2,
+                                    allowNegative=True,
+                                    signedForegroundColour = "Black")
         self.num_ctrl = num_ctrl
 
         # Buttons       
diff --git a/invesalius/gui/dicom_preview_panel.py b/invesalius/gui/dicom_preview_panel.py
index 5a70d46..82f609d 100755
--- a/invesalius/gui/dicom_preview_panel.py
+++ b/invesalius/gui/dicom_preview_panel.py
@@ -40,6 +40,7 @@ MAX_VALUE = NCOLS*NROWS
 
 
 STR_SIZE = "Image size: %d x %d"
+STR_SPC = "Spacing: %.2f"
 STR_LOCAL = "Location: %.2f"
 STR_PATIENT = "%s\n%s"
 STR_ACQ = "%s %s\nMade in InVesalius"
@@ -194,7 +195,9 @@ class SingleImagePreview(wx.Panel):
         self.text_image_size.SetValue(value)
 
         ## Text related to slice position
-        value = STR_LOCAL %(dicom.image.position[2])
+        value1 = STR_SPC %(dicom.image.spacing[2])
+        value2 = STR_LOCAL %(dicom.image.position[2])
+        value = "%s\n%s" %(value1, value2)
         self.text_image_location.SetValue(value)
 
         ## Text related to patient/ acquisiiton data
diff --git a/invesalius/session.py b/invesalius/session.py
index dd80b97..f9fbbe9 100644
--- a/invesalius/session.py
+++ b/invesalius/session.py
@@ -27,6 +27,7 @@ class Session(object):
             os.makedirs(invdir)
         self.invdir = invdir
 
+        # ?
         self.temp_item = False
 
         # Recent projects list
--
libgit2 0.21.2