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RangeFilterNode.cxx

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00001 /* ========================================================================
00002  * Copyright (c) 2006,
00003  * Institute for Computer Graphics and Vision
00004  * Graz University of Technology
00005  * All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions are
00009  * met:
00010  *
00011  * Redistributions of source code must retain the above copyright notice,
00012  * this list of conditions and the following disclaimer.
00013  *
00014  * Redistributions in binary form must reproduce the above copyright
00015  * notice, this list of conditions and the following disclaimer in the
00016  * documentation and/or other materials provided with the distribution.
00017  *
00018  * Neither the name of the Graz University of Technology nor the names of
00019  * its contributors may be used to endorse or promote products derived from
00020  * this software without specific prior written permission.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
00023  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
00024  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
00025  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
00026  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
00027  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
00028  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
00029  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
00030  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
00031  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
00032  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033  * ========================================================================
00034  * PROJECT: OpenTracker
00035  * ======================================================================== */
00042 /* ======================================================================= */
00043 
00044 // this will remove the warning 4786
00045 #include "../tool/disable4786.h"
00046 
00047 #include "RangeFilterNode.h"
00048 
00049 
00050 #ifndef OT_NO_RANGEFILTER_SUPPORT
00051 
00052 
00053 //using namespace std;
00054 
00055 namespace ot {
00056 
00057     // constructor method.
00058 
00059     RangeFilterNode::RangeFilterNode( const float min_, const float max_ )
00060         : Node(), min( min_*min_ ), max( max_*max_ )
00061     {
00062     }
00063 
00064     int RangeFilterNode::isEventGenerator()
00065     {
00066         return 1;
00067     }
00068 
00069     // this method is called by the EventGenerator to update it's observers.
00070 
00071     void RangeFilterNode::onEventGenerated( Event& event, Node& generator)
00072     {
00073         float len = 
00074             (event.getPosition()[0])*(event.getPosition()[0]) +
00075             (event.getPosition()[1])*(event.getPosition()[1]) +
00076             (event.getPosition()[2])*(event.getPosition()[2]);
00077         if( min <= len && len <= max )
00078         {
00079             updateObservers( event );
00080         }
00081     }
00082 
00083 } // namespace ot
00084 
00085 
00086 #endif //OT_NO_RANGEFILTER_SUPPORT
00087 
00088 /* 
00089  * ------------------------------------------------------------
00090  *   End of RangeFilterNode.cxx
00091  * ------------------------------------------------------------
00092  *   Automatic Emacs configuration follows.
00093  *   Local Variables:
00094  *   mode:c++
00095  *   c-basic-offset: 4
00096  *   eval: (c-set-offset 'substatement-open 0)
00097  *   eval: (c-set-offset 'case-label '+)
00098  *   eval: (c-set-offset 'statement 'c-lineup-runin-statements)
00099  *   eval: (setq indent-tabs-mode nil)
00100  *   End:
00101  * ------------------------------------------------------------ 
00102  */

copyright (c) 2006 Graz University of Technology