From: jpr <jpr>
Date: Fri, 16 Sep 2005 16:47:56 +0000 (+0000)
Subject: Insert the original Python code, as a comment, to help debug stage
X-Git-Tag: Version1.2.bp~85
X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=commitdiff_plain;h=725f1d9140fdf297e70125c094601963f635d40a;p=gdcm.git

Insert the original Python code, as a comment, to help debug stage
---

diff --git a/src/gdcmOrientation.cxx b/src/gdcmOrientation.cxx
index 042c62fd..0516519d 100644
--- a/src/gdcmOrientation.cxx
+++ b/src/gdcmOrientation.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmOrientation.cxx,v $
   Language:  C++
-  Date:      $Date: 2005/09/13 18:32:54 $
-  Version:   $Revision: 1.6 $
+  Date:      $Date: 2005/09/16 16:47:56 $
+  Version:   $Revision: 1.7 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -191,3 +191,143 @@ Orientation::ProductVectorial(vector3D const & vec1, vector3D const & vec2)
 
 } // end namespace gdcm
 
+
+
+
+// ---------------------------------------------------------------------------
+// Here is the original code, in Python, kindly supllied by THERALYS
+//
+// C++ code doesn't give good results
+// --> FIXME
+
+/*
+
+def TypeOrientation(self,file0):
+"""
+# ------------------------- Purpose : -----------------------------------
+# - This function compare the orientation of the given image and the
+#   basics orientations (Axial, Cornal, Sagital)
+# ------------------------- Parameters : --------------------------------
+# - <file0> : - type : string
+#             - The name of the first image file of the serie
+# ------------------------- Return : ------------------------------------
+#   1 :   Axial
+#  -1 :   Axial invert
+#   2 :   Coronal
+#  -2 :   Coronal invert
+#   3 :   Sagital
+#  -3 :   Sagital invert
+#   4 :   Heart Axial
+#  -4 :   Heart Axial invert
+#   5 :   Heart Coronal
+#  -5 :   Heart Coronal invert
+#   6 :   Heart Sagital
+#  -6 :   Heart Sagital invert
+#
+   # ------------------------- Other : -------------------------------------
+# This method finds the most similar basic orientation.
+"""
+try:
+   toRead = gdcm.File(file0)
+   ValDict = GetValuesDict(toRead)
+   try:
+      imageOrientation=ValDict["Image Orientation (Patient)"]
+   except KeyError:
+      imageOrientation=ValDict["Image Orientation"]
+
+   ori1=[float(split(imageOrientation,"\\")[0]),\
+      float(split(imageOrientation,"\\")[1]),\
+      float(split(imageOrientation,"\\")[2])]
+   ori2=[float(split(imageOrientation,"\\")[3]),\
+      float(split(imageOrientation,"\\")[4]),\
+      float(split(imageOrientation,"\\")[5])]
+
+## two vectors perpendicular describe one plane
+   dicPlane=[ [  [1,0,0],[0,1,0]   ],  ## Axial
+            [  [1,0,0],[0,0,-1]  ],  ## Coronal
+            [  [0,1,0],[0,0,-1]  ],  ## Sagittal
+            [  [ 0.8 , 0.5 ,  0.0 ],[-0.1 , 0.1 , -0.95]        ],## Axial - HEART
+            [  [ 0.8 , 0.5 ,  0.0 ],[-0.6674 , 0.687 , 0.1794]  ],## Coronal - HEART
+            [  [-0.1 , 0.1 , -0.95],[-0.6674 , 0.687 , 0.1794]  ] ] ## Sagittal - HEART
+
+   i=0
+   res=[0,99999]  ## [ <result> , <memory of the last succes calcule> ]
+   for plane in dicPlane:
+      i=i+1
+      refA=plane[0]
+      refB=plane[1]
+      res=self.VerfCriterion(  i , self.CalculLikelyhood2Vec(refA,refB,ori1,ori2) , res )
+      res=self.VerfCriterion( -i , self.CalculLikelyhood2Vec(refB,refA,ori1,ori2) , res )
+   return res[0]
+
+except KeyError:
+   return 0
+
+
+   def VerfCriterion(self,typeCriterion,criterionNew,res):
+      type = res[0]
+      criterion = res[1]
+#     if criterionNew<0.1 and criterionNew<criterion:
+      if criterionNew<criterion:
+         criterion=criterionNew
+         type=typeCriterion
+      return [ type , criterion ]
+
+
+   def CalculLikelyhood2Vec(self,refA,refB,ori1,ori2):
+"""
+   # ------------------------- Purpose : -----------------------------------
+   # - This function determine the orientation similarity of two planes.
+   #   Each plane is described by two vector.
+   # ------------------------- Parameters : --------------------------------
+   # - <refA>  : - type : vector 3D (float)
+   # - <refB>  : - type : vector 3D (float)
+   #             - Description of the first plane
+   # - <ori1>  : - type : vector 3D (float)
+   # - <ori2>  : - type : vector 3D (float)
+   #             - Description of the second plane
+   # ------------------------- Return : ------------------------------------
+   #  float :   0 if the planes are perpendicular. 
+   # While the difference of the orientation between the planes 
+   # are big more enlarge is
+   # the criterion.
+   # ------------------------- Other : -------------------------------------
+   #  The calculus is based with vectors normalice
+   """
+
+      ori3=self.ProductVectorial(ori1,ori2)
+      refC=self.ProductVectorial(refA,refB)
+      res=math.pow(refC[0]-ori3[0],2) + math.pow(refC[1]-ori3[1],2) + math.pow(refC[2]-ori3[2],2)
+      return math.sqrt(res)
+
+   def ProductVectorial(self,vec1,vec2):
+      """
+      # ------------------------- Purpose : -----------------------------------
+      # - Calculus of the poduct vectorial between two vectors 3D
+      # ------------------------- Parameters : --------------------------------
+      # - <vec1>  : - type : vector 3D (float)
+      # - <vec2>  : - type : vector 3D (float)
+      # ------------------------- Return : ------------------------------------
+      #  (vec) :    - Vector 3D
+      # ------------------------- Other : -------------------------------------
+      """
+      vec3=[0,0,0]
+      vec3[0]=vec1[1]*vec2[2] - vec1[2]*vec2[1]
+      vec3[1]=-( vec1[0]*vec2[2] - vec1[2]*vec2[0])
+      vec3[2]=vec1[0]*vec2[1] - vec1[1]*vec2[0]
+      return vec3
+
+   def GetValuesDict(image):
+      """
+      Returns a dictionnary containing values associated with Field Names
+      dict["Dicom Field Name"]="Dicom field value"
+      """
+      val=image.GetFirstEntry()
+      dic={}
+      while(val):
+         if isinstance(val,gdcm.ValEntryPtr):
+            dic[val.GetName()]=val.GetValue()
+         val=image.GetNextEntry()
+      return dic
+
+*/