From cd69dc49b0a9bef7d113ca4264778df8b71f83ba Mon Sep 17 00:00:00 2001
From: Vivien Delmon <vivien.delmon@creatis.insa-lyon.fr>
Date: Thu, 19 Apr 2012 16:30:31 +0200
Subject: [PATCH] Bug clitkAffineTransform make rotate/translate options usable
 separately

- Allow the use of rotate and translate alone by setting missing
  parameters to 0.
---
 tools/clitkAffineTransformGenericFilter.txx | 50 ++++++++++++++-------
 1 file changed, 34 insertions(+), 16 deletions(-)

diff --git a/tools/clitkAffineTransformGenericFilter.txx b/tools/clitkAffineTransformGenericFilter.txx
index ec9db09..93cd16c 100644
--- a/tools/clitkAffineTransformGenericFilter.txx
+++ b/tools/clitkAffineTransformGenericFilter.txx
@@ -143,14 +143,23 @@ AffineTransformGenericFilter<args_info_type>::UpdateWithDimAndPixelType()
       return;
     }
     itk::Array<double> transformParameters(2 * Dimension);
-    int pos = 0;
-    if (Dimension == 2)
-      transformParameters[pos++] = m_ArgsInfo.rotate_arg[0];
-    else
-      for (unsigned int i = 0; i < 3; i++)
-        transformParameters[pos++] = m_ArgsInfo.rotate_arg[i];
-    for (unsigned int i = 0; i < Dimension && i < 3; i++)
-      transformParameters[pos++] = m_ArgsInfo.translate_arg[i];
+    transformParameters.Fill(0.0);
+    if (m_ArgsInfo.rotate_given)
+    {
+      if (Dimension == 2)
+        transformParameters[0] = m_ArgsInfo.rotate_arg[0];
+      else
+        for (unsigned int i = 0; i < 3; i++)
+          transformParameters[i] = m_ArgsInfo.rotate_arg[i];
+    }
+    if (m_ArgsInfo.translate_given)
+    {
+      int pos = 3;
+      if (Dimension == 2)
+        pos = 1;
+      for (unsigned int i = 0; i < Dimension && i < 3; i++)
+        transformParameters[pos++] = m_ArgsInfo.translate_arg[i];
+    }
     if (Dimension == 4)
     {
       matrix.SetIdentity();
@@ -326,14 +335,23 @@ void AffineTransformGenericFilter<args_info_type>::UpdateWithDimAndVectorType()
       return;
     }
     itk::Array<double> transformParameters(2 * Dimension);
-    int pos = 0;
-    if (Dimension == 2)
-      transformParameters[pos++] = m_ArgsInfo.rotate_arg[0];
-    else
-      for (unsigned int i = 0; i < 3; i++)
-        transformParameters[pos++] = m_ArgsInfo.rotate_arg[i];
-    for (unsigned int i = 0; i < Dimension && i < 3; i++)
-      transformParameters[pos++] = m_ArgsInfo.translate_arg[i];
+    transformParameters.Fill(0.0);
+    if (m_ArgsInfo.rotate_given)
+    {
+      if (Dimension == 2)
+        transformParameters[0] = m_ArgsInfo.rotate_arg[0];
+      else
+        for (unsigned int i = 0; i < 3; i++)
+          transformParameters[i] = m_ArgsInfo.rotate_arg[i];
+    }
+    if (m_ArgsInfo.translate_given)
+    {
+      int pos = 3;
+      if (Dimension == 2)
+        pos = 1;
+      for (unsigned int i = 0; i < Dimension && i < 3; i++)
+        transformParameters[pos++] = m_ArgsInfo.translate_arg[i];
+    }
     if (Dimension == 4)
     {
       matrix.SetIdentity();
-- 
2.47.1