From fe2987186f0182cd771d3612cf971a6272cf0ae5 Mon Sep 17 00:00:00 2001
From: tatiana <tatiana.alchueyr@gmail.com>
Date: Fri, 2 Oct 2009 18:40:27 +0000
Subject: [PATCH] ENC: Gantry tilt dialog, dicom import enhacements

---
 invesalius/control.py              | 22 ++++++++++++++--------
 invesalius/reader/dicom.py         | 32 +++++++++++++++++++-------------
 invesalius/reader/dicom_grouper.py |  5 +++--
 3 files changed, 36 insertions(+), 23 deletions(-)

diff --git a/invesalius/control.py b/invesalius/control.py
index 867f96f..c56aa29 100755
--- a/invesalius/control.py
+++ b/invesalius/control.py
@@ -9,6 +9,7 @@ import project as prj
 import data.imagedata_utils as utils
 import data.surface as surface
 import data.volume as volume
+import gui.dialogs as dialog
 import reader.dicom_reader as dcm
 import reader.analyze_reader as analyze
 
@@ -52,9 +53,10 @@ class Controller():
         proj.name = "Untitled"
 
         if output:
-            #acquisition_modality, tilt_value, orientation,window, level
+            # In this case, there were DICOM files on the folder
             imagedata, dicom = output
-                        
+
+            # Set orientation
             orientation = dicom.image.orientation_label
             if (orientation == "CORONAL"):
                 orientation = const.CORONAL
@@ -62,16 +64,20 @@ class Controller():
                 orientation = const.SAGITAL
             else:
                 orientation = const.AXIAL
-                
-            window = window = float(dicom.image.window)
-            level = level = float(dicom.image.level)
+            
+            # Retrieve window, level, modalit
+            window = float(dicom.image.window)
+            level = float(dicom.image.level)
             acquisition_modality = dicom.acquisition.modality
+
+            # If there was gantry tilt, fix it:
             tilt_value = dicom.acquisition.tilt
             if (tilt_value):
-                #TODO: Show dialog so user can set not other value
-                tilt_value *= -1
+                # Tell user gantry tilt and fix, according to answer
+                message = "Fix gantry tilt applying the degrees bellow"
+                value = -1*tilt_value
+                tilt_value = dialog.ShowNumberDialog(message, value)
                 imagedata = utils.FixGantryTilt(imagedata, tilt_value)
-                print "Fixed Gantry Tilt", str(tilt_value)
         else:
             "No DICOM files were found. Trying to read with ITK..."
             imagedata = analyze.ReadDirectory(dir_)
diff --git a/invesalius/reader/dicom.py b/invesalius/reader/dicom.py
index 1037b23..9bef4ad 100644
--- a/invesalius/reader/dicom.py
+++ b/invesalius/reader/dicom.py
@@ -1198,7 +1198,7 @@ class Parser():
                                             .GetSliceThickness()
         if (data):
             return float(data)
-        return None
+        return 0
 
     def GetImageConvolutionKernel(self):
         """
@@ -1684,22 +1684,28 @@ class Image(object):
             self.position = [1, 1, 1]
             
         self.number = parser.GetImageNumber()
+        print "*****************"
         self.spacing = spacing = parser.GetPixelSpacing()
+        print "Spacing:", spacing
         self.orientation_label = parser.GetImageOrientationLabel()
         self.file = parser.filename
 
-        if (parser.GetImageThickness()):
-            spacing.append(parser.GetImageThickness())
-        else:
-            try:
-                spacing.append(1.5)
-            except(AttributeError):
-                spacing = [1, 1, 1]
-                
-        spacing[0] = round(spacing[0],2)
-        spacing[1] = round(spacing[1],2)
-        spacing[2] = round(spacing[2],2)
-        self.spacing = spacing
+        if self.spacing:
+            print "Thickness:", parser.GetImageThickness()
+            # If the image is "alone", we set thickness as z axis
+            if (parser.GetImageThickness()):
+                spacing.append(parser.GetImageThickness()) 
+            else:
+                try:
+                    spacing.append(1.5)
+                except(AttributeError):
+                    spacing = [1, 1, 1]
+            
+            # If there are too many float digits
+            spacing[0] = round(spacing[0],2)
+            spacing[1] = round(spacing[1],2)
+            spacing[2] = round(spacing[2],2)
+            self.spacing = spacing
         
         try:
             self.type = parser.GetImageType()[2]
diff --git a/invesalius/reader/dicom_grouper.py b/invesalius/reader/dicom_grouper.py
index fe84bda..ed5077c 100644
--- a/invesalius/reader/dicom_grouper.py
+++ b/invesalius/reader/dicom_grouper.py
@@ -78,7 +78,7 @@ class DicomGroups:
         """
         return self.groups_dcm
 
-    def GetSplitterTyoe(self):
+    def GetSplitterType(self):
         """
         Return Integer with the SplitterType
         0 option used the name of patient information,
@@ -347,4 +347,5 @@ class DicomGroups:
                 spacing = None
 
             for information in self.groups_dcm[key][0]:
-                information.image.spacing[2] = spacing
+                if information.image.spacing:
+                    information.image.spacing[2] = spacing
--
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