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<h1>dox/Filtering/vtkPiecewiseFunction.h</h1><a href="a02318.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: Visualization Toolkit</span>
<a name="l00004"></a>00004 <span class="comment"> Module: $RCSfile: vtkPiecewiseFunction.h,v $</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment"> Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen</span>
<a name="l00007"></a>00007 <span class="comment"> All rights reserved.</span>
<a name="l00008"></a>00008 <span class="comment"> See Copyright.txt or http://www.kitware.com/Copyright.htm for details.</span>
<a name="l00009"></a>00009 <span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment"> This software is distributed WITHOUT ANY WARRANTY; without even</span>
<a name="l00011"></a>00011 <span class="comment"> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span>
<a name="l00012"></a>00012 <span class="comment"> PURPOSE. See the above copyright notice for more information.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment">=========================================================================*/</span>
<a name="l00015"></a>00015
<a name="l00039"></a>00039 <span class="preprocessor">#ifndef __vtkPiecewiseFunction_h</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#define __vtkPiecewiseFunction_h</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span>
<a name="l00042"></a>00042 <span class="preprocessor">#include "<a class="code" href="a02221.html">vtkDataObject.h</a>"</span>
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">class </span>vtkPiecewiseFunctionInternals;
<a name="l00045"></a>00045
<a name="l00046"></a><a class="code" href="a01215.html">00046</a> <span class="keyword">class </span><a class="code" href="a02170.html#95ced7977a6b6b1bf9f38bf04e3835b6">VTK_FILTERING_EXPORT</a> <a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a> : <span class="keyword">public</span> <a class="code" href="a00362.html" title="general representation of visualization data">vtkDataObject</a>
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 <span class="keyword">public</span>:
<a name="l00049"></a>00049 <span class="keyword">static</span> <a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a> *<a class="code" href="a00362.html#13d4f201619a19a9b39978e92239cd98">New</a>();
<a name="l00050"></a><a class="code" href="a01215.html#7ced0008e4fd0fa6898481526ccc1788">00050</a> vtkTypeRevisionMacro(<a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a>,<a class="code" href="a00362.html" title="general representation of visualization data">vtkDataObject</a>);
<a name="l00051"></a>00051 <span class="keywordtype">void</span> <a class="code" href="a00362.html#41fc1279a91124320705e5fc98f623c7">PrintSelf</a>(ostream& os, <a class="code" href="a00869.html" title="a simple class to control print indentation">vtkIndent</a> indent);
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordtype">void</span> <a class="code" href="a00362.html#455b17df288af545f40c3a013714f114">DeepCopy</a>( <a class="code" href="a00362.html" title="general representation of visualization data">vtkDataObject</a> *f );
<a name="l00054"></a>00054 <span class="keywordtype">void</span> <a class="code" href="a00362.html#04a5fb60bdbc929ce84f0cd14d911dbe">ShallowCopy</a>( <a class="code" href="a00362.html" title="general representation of visualization data">vtkDataObject</a> *f );
<a name="l00055"></a>00055
<a name="l00057"></a><a class="code" href="a01215.html#54b3889b41725cc63cf2965ecec6a018">00057</a> <span class="keywordtype">int</span> <a class="code" href="a00362.html#a29b32b4beac6a90d31d4751f427add7">GetDataObjectType</a>() {<span class="keywordflow">return</span> <a class="code" href="a02149.html#c27044643b070d43eec5f6a7088d23d1">VTK_PIECEWISE_FUNCTION</a>;};
<a name="l00058"></a>00058
<a name="l00060"></a>00060 <span class="keywordtype">int</span> GetSize();
<a name="l00061"></a>00061
<a name="l00063"></a>00063
<a name="l00066"></a>00066 <span class="keywordtype">int</span> AddPoint( <span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y );
<a name="l00067"></a>00067 <span class="keywordtype">int</span> AddPoint( <span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keywordtype">double</span> midpoint, <span class="keywordtype">double</span> sharpness );
<a name="l00068"></a>00068 <span class="keywordtype">int</span> RemovePoint( <span class="keywordtype">double</span> x );
<a name="l00070"></a>00070
<a name="l00072"></a>00072 <span class="keywordtype">void</span> RemoveAllPoints();
<a name="l00073"></a>00073
<a name="l00078"></a>00078 <span class="keywordtype">void</span> AddSegment( <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> y1, <span class="keywordtype">double</span> x2, <span class="keywordtype">double</span> y2 );
<a name="l00079"></a>00079
<a name="l00082"></a>00082 <span class="keywordtype">double</span> GetValue( <span class="keywordtype">double</span> x );
<a name="l00083"></a>00083
<a name="l00085"></a>00085
<a name="l00087"></a>00087 <span class="keywordtype">int</span> GetNodeValue( <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e519c5019582479480124c44722a451f">index</a>, <span class="keywordtype">double</span> val[4] );
<a name="l00088"></a>00088 <span class="keywordtype">int</span> SetNodeValue( <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e519c5019582479480124c44722a451f">index</a>, <span class="keywordtype">double</span> val[4] );
<a name="l00090"></a>00090
<a name="l00092"></a>00092
<a name="l00097"></a>00097 <span class="keywordtype">double</span> *GetDataPointer();
<a name="l00098"></a>00098 <span class="keywordtype">void</span> FillFromDataPointer(<span class="keywordtype">int</span>, <span class="keywordtype">double</span>*);
<a name="l00100"></a>00100
<a name="l00102"></a>00102
<a name="l00103"></a>00103 vtkGetVector2Macro( Range, <span class="keywordtype">double</span> );
<a name="l00105"></a>00105
<a name="l00108"></a>00108 <span class="keywordtype">int</span> AdjustRange(<span class="keywordtype">double</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d21076786d084c43d32f242990f932679539">range</a>[2]);
<a name="l00109"></a>00109
<a name="l00111"></a>00111
<a name="l00113"></a>00113 <span class="keywordtype">void</span> GetTable( <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> x2, <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e3d5e7c015dff08d8daf72a0102e1444">size</a>, <span class="keywordtype">float</span> *table, <span class="keywordtype">int</span> stride=1 );
<a name="l00114"></a>00114 <span class="keywordtype">void</span> GetTable( <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> x2, <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e3d5e7c015dff08d8daf72a0102e1444">size</a>, <span class="keywordtype">double</span> *table, <span class="keywordtype">int</span> stride=1 );
<a name="l00116"></a>00116
<a name="l00118"></a>00118
<a name="l00122"></a>00122 <span class="keywordtype">void</span> BuildFunctionFromTable( <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> x2, <span class="keywordtype">int</span> <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d210e3d5e7c015dff08d8daf72a0102e1444">size</a>,
<a name="l00123"></a>00123 <span class="keywordtype">double</span> *table, <span class="keywordtype">int</span> stride=1 );
<a name="l00125"></a>00125
<a name="l00127"></a>00127
<a name="l00133"></a>00133 vtkSetMacro( Clamping, <span class="keywordtype">int</span> );
<a name="l00134"></a>00134 vtkGetMacro( Clamping, <span class="keywordtype">int</span> );
<a name="l00135"></a>00135 vtkBooleanMacro( Clamping, <span class="keywordtype">int</span> );
<a name="l00137"></a>00137
<a name="l00143"></a>00143 <span class="keyword">const</span> <span class="keywordtype">char</span> *GetType();
<a name="l00144"></a>00144
<a name="l00147"></a>00147 <span class="keywordtype">double</span> GetFirstNonZeroValue();
<a name="l00148"></a>00148
<a name="l00152"></a>00152 <span class="keywordtype">void</span> <a class="code" href="a00362.html#125a61962658df7dd87d0c5755c06193">Initialize</a>();
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="comment">//BTX</span>
<a name="l00156"></a>00156 <span class="comment"></span>
<a name="l00157"></a>00157 <span class="keyword">static</span> <a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a>* <a class="code" href="a00362.html#d7ebc4f6ec32a1db7e6cfc0ff6974559">GetData</a>(<a class="code" href="a00872.html" title="Store vtkAlgorithm input/output information.">vtkInformation</a>* <a class="code" href="a03761.html#c6551f7bf833e8254b2b3ecdaea0d21023da246d4a744e861548382bb79fad81">info</a>);
<a name="l00158"></a>00158 <span class="keyword">static</span> <a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a>* <a class="code" href="a00362.html#d7ebc4f6ec32a1db7e6cfc0ff6974559">GetData</a>(<a class="code" href="a00895.html" title="Store zero or more vtkInformation instances.">vtkInformationVector</a>* v, <span class="keywordtype">int</span> i=0);
<a name="l00159"></a>00159 <span class="comment">//ETX</span>
<a name="l00161"></a>00161 <span class="comment"></span>
<a name="l00163"></a>00163
<a name="l00165"></a>00165 vtkSetMacro(AllowDuplicateScalars, <span class="keywordtype">int</span>);
<a name="l00166"></a>00166 vtkGetMacro(AllowDuplicateScalars, <span class="keywordtype">int</span>);
<a name="l00167"></a>00167 vtkBooleanMacro(AllowDuplicateScalars, <span class="keywordtype">int</span>);
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keyword">protected</span>:
<a name="l00171"></a>00171 <a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a>();
<a name="l00172"></a>00172 ~<a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a>();
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="comment">// The internal STL structures</span>
<a name="l00175"></a><a class="code" href="a01215.html#76396ad7f1547c2288528e844e4aec9d">00175</a> vtkPiecewiseFunctionInternals *Internal;
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="comment">// Determines the function value outside of defined points</span>
<a name="l00178"></a>00178 <span class="comment">// Zero = always return 0.0 outside of defined points</span>
<a name="l00179"></a>00179 <span class="comment">// One = clamp to the lowest value below defined points and</span>
<a name="l00180"></a>00180 <span class="comment">// highest value above defined points</span>
<a name="l00181"></a><a class="code" href="a01215.html#846152d7439d88a330a1db80227f4ae3">00181</a> <span class="keywordtype">int</span> Clamping;
<a name="l00182"></a>00182
<a name="l00183"></a>00183 <span class="comment">// Array of points ((X,Y) pairs)</span>
<a name="l00184"></a><a class="code" href="a01215.html#1e7bc6592483fe98a927fec348f405c5">00184</a> <span class="keywordtype">double</span> *Function;
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="comment">// Min and max range of function point locations</span>
<a name="l00187"></a><a class="code" href="a01215.html#81e6039780b0e3ac92492f7958c5b260">00187</a> <span class="keywordtype">double</span> Range[2];
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="comment">// Internal method to sort the vector and update the</span>
<a name="l00190"></a>00190 <span class="comment">// Range whenever a node is added or removed</span>
<a name="l00191"></a>00191 <span class="keywordtype">void</span> SortAndUpdateRange();
<a name="l00192"></a>00192
<a name="l00193"></a><a class="code" href="a01215.html#ace8d742b2b3a29b5ab3d898908da57b">00193</a> <span class="keywordtype">int</span> AllowDuplicateScalars;
<a name="l00194"></a>00194
<a name="l00195"></a>00195 <span class="keyword">private</span>:
<a name="l00196"></a>00196 <a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a>(<span class="keyword">const</span> <a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a>&); <span class="comment">// Not implemented.</span>
<a name="l00197"></a>00197 <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="a01215.html" title="Defines a 1D piecewise function.">vtkPiecewiseFunction</a>&); <span class="comment">// Not implemented.</span>
<a name="l00198"></a>00198 };
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="preprocessor">#endif</span>
<a name="l00201"></a>00201 <span class="preprocessor"></span>
<a name="l00202"></a>00202
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Wed Jun 3 18:35:16 2009 for VTK by
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