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<h1>itkSpatialOrientationAdapter.h</h1><a href="itkSpatialOrientationAdapter_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*=========================================================================</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment"> Program: Insight Segmentation & Registration Toolkit</span>
<a name="l00004"></a>00004 <span class="comment"> Module: $RCSfile: itkSpatialOrientationAdapter.h,v $</span>
<a name="l00005"></a>00005 <span class="comment"> Language: C++</span>
<a name="l00006"></a>00006 <span class="comment"> Date: $Date: 2007-12-24 16:46:28 $</span>
<a name="l00007"></a>00007 <span class="comment"> Version: $Revision: 1.6 $</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> Copyright (c) Insight Software Consortium. All rights reserved.</span>
<a name="l00010"></a>00010 <span class="comment"> See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.</span>
<a name="l00011"></a>00011 <span class="comment"></span>
<a name="l00012"></a>00012 <span class="comment"> Portions of this code are covered under the VTK copyright.</span>
<a name="l00013"></a>00013 <span class="comment"> See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm for details.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment"> This software is distributed WITHOUT ANY WARRANTY; without even </span>
<a name="l00016"></a>00016 <span class="comment"> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR </span>
<a name="l00017"></a>00017 <span class="comment"> PURPOSE. See the above copyright notices for more information.</span>
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment">=========================================================================*/</span>
<a name="l00020"></a>00020 <span class="preprocessor">#ifndef __itkSpatialOrientationAdapter_h</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define __itkSpatialOrientationAdapter_h</span>
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="itkOrientationAdapter_8h.html">itkOrientationAdapter.h</a>"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="itkSpatialOrientation_8h.html">itkSpatialOrientation.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include "<a class="code" href="itkConceptChecking_8h.html">itkConceptChecking.h</a>"</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keyword">namespace </span>itk
<a name="l00027"></a>00027 {
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="comment">//</span>
<a name="l00030"></a>00030 <span class="comment">// Helper functions, better than Macros</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00032"></a>00032 <span class="keyword">namespace </span>Function
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034
<a name="l00035"></a><a class="code" href="namespaceitk_1_1Function.html#9a2802d035ea774355f23df5e8526a4c">00035</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <a class="code" href="namespaceitk_1_1Function.html#9a2802d035ea774355f23df5e8526a4c">Max3</a>(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keywordtype">double</span> z)
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 <span class="keyword">const</span> <span class="keywordtype">double</span> obliquityThresholdCosineValue = 0.001;
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keywordtype">double</span> absX = vnl_math_abs(x);
<a name="l00040"></a>00040 <span class="keywordtype">double</span> absY = vnl_math_abs(y);
<a name="l00041"></a>00041 <span class="keywordtype">double</span> absZ = vnl_math_abs(z);
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keywordflow">if</span> ( ( absX > obliquityThresholdCosineValue ) && ( absX > absY ) && ( absX > absZ ))
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045 <span class="keywordflow">return</span> 0;
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( ( absY > obliquityThresholdCosineValue ) && ( absY > absX ) && ( absY > absZ ) )
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 <span class="keywordflow">return</span> 1;
<a name="l00050"></a>00050 }
<a name="l00051"></a>00051 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( ( absZ > obliquityThresholdCosineValue ) && ( absZ > absX ) && ( absZ > absY ) )
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 <span class="keywordflow">return</span> 2;
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055 <span class="comment">// they must all be equal, so just say x</span>
<a name="l00056"></a>00056 <span class="keywordflow">return</span> 0;
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058
<a name="l00059"></a><a class="code" href="namespaceitk_1_1Function.html#d22b771605fb009bf8461d786da087f7">00059</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespaceitk_1_1Function.html#d22b771605fb009bf8461d786da087f7">Sign</a>(<span class="keywordtype">double</span> x)
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 <span class="keywordflow">if</span>(x < 0)
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 <span class="keywordflow">return</span> -1;
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065 <span class="keywordflow">return</span> 1;
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067
<a name="l00068"></a>00068 } <span class="comment">// namespace Function</span>
<a name="l00069"></a>00069
<a name="l00070"></a>00070
<a name="l00071"></a>00071
<a name="l00075"></a><a class="code" href="classitk_1_1SpatialOrientationAdapter.html">00075</a> <span class="keyword">class </span><a class="code" href="itkWin32Header_8h.html#faefe352c9fb4179f5a770afc70ea90f">ITKCommon_EXPORT</a> <a class="code" href="classitk_1_1SpatialOrientationAdapter.html" title="converts SpatialOrientation flags to/from direction cosines">SpatialOrientationAdapter</a> :
<a name="l00076"></a>00076 <span class="keyword">public</span> <a class="code" href="classitk_1_1OrientationAdapterBase.html" title="base class that converts Orientation representations to direction cosines.">OrientationAdapterBase</a><SpatialOrientation::ValidCoordinateOrientationFlags,3>
<a name="l00077"></a>00077 {
<a name="l00078"></a>00078 <span class="keyword">public</span>:
<a name="l00080"></a><a class="code" href="classitk_1_1SpatialOrientationAdapter.html#bb37449e4e0f6f465eb1441101b965a1">00080</a> <span class="keyword">typedef</span> <a class="code" href="classitk_1_1SpatialOrientationAdapter.html" title="converts SpatialOrientation flags to/from direction cosines">SpatialOrientationAdapter</a> <a class="code" href="classitk_1_1SpatialOrientationAdapter.html" title="converts SpatialOrientation flags to/from direction cosines">Self</a>;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keyword">typedef</span> <a class="code" href="classitk_1_1OrientationAdapterBase.html">OrientationAdapterBase<SpatialOrientation::ValidCoordinateOrientationFlags,3></a>
<a name="l00083"></a><a class="code" href="classitk_1_1SpatialOrientationAdapter.html#bddc7754f167a7678969157328b3637e">00083</a> <a class="code" href="classitk_1_1OrientationAdapterBase.html">SuperClass</a>;
<a name="l00084"></a>00084
<a name="l00085"></a><a class="code" href="classitk_1_1SpatialOrientationAdapter.html#658441173917b05a42b19a9d6e795a17">00085</a> <span class="keyword">typedef</span> <a class="code" href="namespaceitk_1_1SpatialOrientation.html#8240a59ae2e7cae9e3bad5a52ea3496e">SpatialOrientation::ValidCoordinateOrientationFlags</a> <a class="code" href="namespaceitk_1_1SpatialOrientation.html#8240a59ae2e7cae9e3bad5a52ea3496e">OrientationType</a>;
<a name="l00086"></a>00086
<a name="l00088"></a><a class="code" href="classitk_1_1SpatialOrientationAdapter.html#e7fcf557bb4565fb7e49eb4453454331">00088</a> <span class="keyword">typedef</span> <a class="code" href="classitk_1_1Matrix.html">SuperClass::DirectionType</a> <a class="code" href="classitk_1_1Matrix.html">DirectionType</a>;
<a name="l00089"></a>00089
<a name="l00091"></a><a class="code" href="classitk_1_1SpatialOrientationAdapter.html#bb2708db069f2e6ed0e6836cd0d0b469">00091</a> <a class="code" href="classitk_1_1SpatialOrientationAdapter.html#bb2708db069f2e6ed0e6836cd0d0b469">SpatialOrientationAdapter</a>() {};
<a name="l00092"></a>00092
<a name="l00094"></a>00094 <span class="keyword">virtual</span> OrientationType FromDirectionCosines(<span class="keyword">const</span> DirectionType &Dir);
<a name="l00095"></a>00095
<a name="l00097"></a>00097 <span class="keyword">virtual</span> DirectionType ToDirectionCosines(<span class="keyword">const</span> OrientationType &Or);
<a name="l00098"></a>00098
<a name="l00099"></a>00099 };
<a name="l00100"></a>00100
<a name="l00101"></a>00101 } <span class="comment">// namespace itk</span>
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="preprocessor">#endif // __itkSpatialOrientationAdapter_h</span>
<a name="l00104"></a>00104 <span class="preprocessor"></span>
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