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TestModule.cxx

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/* ========================================================================
 * Copyright (c) 2006,
 * Institute for Computer Graphics and Vision
 * Graz University of Technology
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * Neither the name of the Graz University of Technology nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ========================================================================
 * PROJECT: OpenTracker
 * ======================================================================== */
/* ======================================================================= */

// this will remove the warning 4786
#include "../tool/disable4786.h"
#include <stdlib.h>

#include "TestModule.h"


#ifndef OT_NO_TESTMODULE_SUPPORT


#include "TestSource.h"

#include "MathUtils.h"

#include <stdio.h>
#include <stdlib.h>
// #include <iostream> FIXME Why was this included ?

#include <ace/Log_Msg.h>

//using namespace std;

// Destructor method

namespace ot {

    TestModule::~TestModule()
    {
        nodes.clear();
    }

    // This method is called to construct a new Node.

    Node * TestModule::createNode( const std::string& name, StringTable& attributes)
    {
        if( name.compare("TestSource") == 0 )
        {
            int frequency;
            int offset;
            int num = sscanf(attributes.get("frequency").c_str(), " %i", &frequency );
            if( num == 0 ){
                frequency = 1;
            }
            num = sscanf(attributes.get("offset").c_str(), " %i", &offset );
            if( num == 0 ){
                offset = 0;
            }
            TestSource * source = new TestSource( frequency, offset );
            attributes.get("position", source->event.getPosition(), 3);
            attributes.get("orientation", source->event.getOrientation(), 4);
            sscanf( attributes.get("button").c_str(), " %hu", &(source->event.getButton()) );
            sscanf( attributes.get("confidence").c_str(), " %f", &(source->event.getConfidence()) );
            if( attributes.containsKey("noise") )
            {
                attributes.get("noise",&source->noise);
            }
            else
            {
                source->noise = -1;
            }
            nodes.push_back( source );

            ACE_DEBUG((LM_DEBUG, ACE_TEXT("ot:Build TestSource node\n")));
            initialized = 1;
            return source;
        }
        return NULL;
    }

    // pushes events into the tracker tree.

    void TestModule::pushEvent()
    {
        for( NodeVector::iterator it = nodes.begin(); it != nodes.end(); it++ )
        {
            TestSource *source = (TestSource *) *it;
            if((cycle + source->offset) % source->frequency == 0 )
            {
                source->push();
            }
        }
        cycle++;
    }


    void TestSource::push(void)
    {
        static int count;
        if( noise > 0 )
        {
            perturbed.setAttribute("intAttr", count++);
            perturbed.setAttribute("chrAttr", (char)(33 + count % 92));
            perturbed.setAttribute("dblAttr", (double)(count / 7.3));
            perturbed.setAttribute("fltAttr", (float)(count / 7.3));

            int i;
            for( i = 0; i < 3; i++ )
            {
                perturbed.getPosition()[i] = (float)(event.getPosition()[i] + ((float)rand()/RAND_MAX)*noise - noise / 2.0);
                perturbed.getOrientation()[i] = (float)(event.getOrientation()[i] + (float)(rand()/RAND_MAX)*noise - noise / 2.0);
            }
            perturbed.getOrientation()[3] = (float)(event.getOrientation()[3] + ((float)rand()/RAND_MAX)*noise - noise / 2.0);
            MathUtils::normalizeQuaternion( perturbed.getOrientation() );
            if( ((float)rand()/RAND_MAX) < noise  )
            {
                perturbed.getOrientation()[0] = -perturbed.getOrientation()[0];
                perturbed.getOrientation()[1] = -perturbed.getOrientation()[1];
                perturbed.getOrientation()[2] = -perturbed.getOrientation()[2];
                perturbed.getOrientation()[3] = -perturbed.getOrientation()[3];
            }
            perturbed.setConfidence(static_cast<float>((rand()/RAND_MAX)*noise - noise / 2.0));
            perturbed.setButton(count % 16);

            perturbed.timeStamp();
            updateObservers( perturbed );
        }
        else
        {
            event.timeStamp();
            updateObservers( event );
        }
    }

} //namespace ot


#endif //OT_NO_TESTMODULE_SUPPORT

/* 
 * ------------------------------------------------------------
 *   End of TestModule.h
 * ------------------------------------------------------------
 *   Automatic Emacs configuration follows.
 *   Local Variables:
 *   mode:c++
 *   c-basic-offset: 4
 *   eval: (c-set-offset 'substatement-open 0)
 *   eval: (c-set-offset 'case-label '+)
 *   eval: (c-set-offset 'statement 'c-lineup-runin-statements)
 *   eval: (setq indent-tabs-mode nil)
 *   End:
 * ------------------------------------------------------------ 
 */

copyright (c) 2006 Graz University of Technology