WMDatasetProfile.cpp 18 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
//---------------------------------------------------------------------------
//
// Project: OpenWalnut ( http://www.openwalnut.org )
//
// Copyright 2009 OpenWalnut Community, BSV-Leipzig and CNCF-CBS
// For more information see http://www.openwalnut.org/copying
//
// This file is part of OpenWalnut.
//
// OpenWalnut is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// OpenWalnut is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
//
//---------------------------------------------------------------------------

#include <string>

#include <osgGA/TrackballManipulator>
#include <osgGA/StateSetManipulator>
#include <osgViewer/ViewerEventHandlers>
#include <osgWidget/Util> //NOLINT
#include <osgWidget/ViewerEventHandlers> //NOLINT
#include <osgWidget/WindowManager> //NOLINT
#include <osg/LightModel>

35 36
#include "core/kernel/WKernel.h"
#include "core/kernel/WSelectionManager.h"
37

38
#include "WMDatasetProfile.xpm" // Please put a real icon here.
39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63

#include "WMDatasetProfile.h"

// This line is needed by the module loader to actually find your module. Do not remove. Do NOT add a ";" here.
W_LOADABLE_MODULE( WMDatasetProfile )

WMDatasetProfile::WMDatasetProfile():
    WModule(),
    m_dirty( true )
{
}

WMDatasetProfile::~WMDatasetProfile()
{
    // Cleanup!
}

boost::shared_ptr< WModule > WMDatasetProfile::factory() const
{
    // See "src/modules/template/" for an extensively documented example.
    return boost::shared_ptr< WModule >( new WMDatasetProfile() );
}

const char** WMDatasetProfile::getXPMIcon() const
{
64
    return WMDatasetProfile_xpm; // Please put a real icon here.
65 66 67
}
const std::string WMDatasetProfile::getName() const
{
68
    return "Dataset Profile";
69 70 71 72 73 74 75 76 77 78 79 80 81
}

const std::string WMDatasetProfile::getDescription() const
{
    // Specify your module description here. Be detailed. This text is read by the user.
    // See "src/modules/template/" for an extensively documented example.
    return "Someone should add some documentation here. "
    "Probably the best person would be the modules's creator, i.e. \"schurade\"";
}

void WMDatasetProfile::connectors()
{
    // the input dataset is just used as source for resolurtion and transformation matrix
82 83
    m_input = boost::shared_ptr< WModuleInputData < WDataSetScalar  > >(
        new WModuleInputData< WDataSetScalar >( shared_from_this(), "in", "The input dataset." ) );
84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
    addConnector( m_input );

    WModule::connectors();
}

void WMDatasetProfile::properties()
{
    m_propCondition = boost::shared_ptr< WCondition >( new WCondition() );

    m_snapSelectionsList = boost::shared_ptr< WItemSelection >( new WItemSelection() );
    m_snapSelectionsList->addItem( "free", "" );
    m_snapSelectionsList->addItem( "axial", "" );
    m_snapSelectionsList->addItem( "coronal", "" );
    m_snapSelectionsList->addItem( "sagittal", "" );

    m_snapSelection = m_properties->addProperty( "snap to",  "snap",
            m_snapSelectionsList->getSelectorFirst(), m_propCondition );
    WPropertyHelper::PC_SELECTONLYONE::addTo( m_snapSelection );

    m_propAddKnobTrigger = m_properties->addProperty( "Add Knob", "Press!", WPVBaseTypes::PV_TRIGGER_READY, m_propCondition );

    m_graphColor = m_properties->addProperty( "Graph color", "Description.", WColor( 0.2, 0.2, 0.2, 1.0 ) );

    m_propLength = m_properties->addProperty( "Length", "Description.", 60.0 );
    m_propLength->setMin( 1 );
    m_propLength->setMax( 500 );
    m_propUseLength = m_properties->addProperty( "Use length", "Description.", false );

112 113 114 115 116 117
    m_propInterpolate = m_properties->addProperty( "interpolate", "Description.", true );

    m_propNumSamples = m_properties->addProperty( "Number of sample points", "Description.", 100 );
    m_propNumSamples->setMin( 1 );
    m_propNumSamples->setMax( 500 );

118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139
    WModule::properties();
}

void WMDatasetProfile::requirements()
{
    // Put the code for your requirements here. See "src/modules/template/" for an extensively documented example.
}

void WMDatasetProfile::moduleMain()
{
    m_moduleState.setResetable( true, true );
    m_moduleState.add( m_input->getDataChangedCondition() );
    m_moduleState.add( m_propCondition );
    m_moduleState.add( m_active->getUpdateCondition() );

    init();

    ready();

    m_dirty = true;

    // wait for a dataset to be connected, most likely an anatomy dataset
140
    while( !m_shutdownFlag() )
141 142 143
    {
        m_moduleState.wait();

144
        if( m_shutdownFlag() )
145 146 147 148
        {
            break;
        }

149
        boost::shared_ptr< WDataSetScalar > newDataSet = m_input->getData();
150 151 152 153 154
        bool dataChanged = ( m_dataSet != newDataSet );
        bool dataValid   = ( newDataSet );

        if( dataValid )
        {
155
            if( dataChanged )
156 157 158 159 160 161
            {
                m_dataSet = newDataSet;
                m_grid = boost::shared_dynamic_cast< WGridRegular3D >( m_dataSet->getGrid() );
            }
        }

162
        if( m_snapSelection->changed( true ) )
163 164 165 166
        {
            m_dirty = true;
        }

167
        if( m_propAddKnobTrigger->changed( true ) )
168
        {
169
            WPosition center = WKernel::getRunningKernel()->getSelectionManager()->getCrosshair()->getPosition();
170 171 172 173 174 175
            addKnob( center );

            m_propAddKnobTrigger->set( WPVBaseTypes::PV_TRIGGER_READY, true );
        }


176
        if( m_propUseLength->changed() || m_propLength->changed() || m_propInterpolate->changed( true ) || m_propNumSamples->changed( true ) )
177 178 179 180 181
        {
            m_dirty = true;
        }
    }

182
    for( size_t i = 0; i < knobs.size(); ++i )
183 184 185 186 187 188 189 190 191 192
    {
        WGraphicsEngine::getGraphicsEngine()->getScene()->remove( &( *knobs[i] ) );
        knobs[i]->removeROIChangeNotifier( m_changeRoiSignal );
    }

    WKernel::getRunningKernel()->getGraphicsEngine()->getScene()->remove( m_rootNode );
}

void WMDatasetProfile::updateCallback()
{
193
    WPosition center = WKernel::getRunningKernel()->getSelectionManager()->getCrosshair()->getPosition();
194

195
    for( size_t i = 0; i < knobs.size(); ++i )
196 197 198 199 200 201 202 203 204 205
    {
        knobs[i]->setLockX( false );
        knobs[i]->setLockY( false );
        knobs[i]->setLockZ( false );
    }
    switch ( m_snapSelection->get( true ).getItemIndexOfSelected( 0 ) )
    {
        case 0:
            break;
        case 1:
206
            for( size_t i = 0; i < knobs.size(); ++i )
207 208 209 210 211 212
            {
                knobs[i]->setZ( center[2] );
                knobs[i]->setLockZ( true );
            }
            break;
        case 2:
213
            for( size_t i = 0; i < knobs.size(); ++i )
214 215 216 217 218 219
            {
                knobs[i]->setY( center[1] );
                knobs[i]->setLockY( true );
            }
            break;
        case 3:
220
            for( size_t i = 0; i < knobs.size(); ++i )
221 222 223 224 225 226 227 228 229
            {
                knobs[i]->setX( center[0] );
                knobs[i]->setLockX( true );
            }
            break;
        default:
            break;
    }

230
        if( m_propUseLength->get( true ) )
231
        {
232
            for( size_t i = 0; i < knobs.size() - 1; ++i )
233
            {
234 235
                WPosition p1 = knobs[i]->getPosition();
                WPosition p2 = knobs[i+1]->getPosition();
236 237 238 239 240 241 242

                float l = sqrt( ( p1[0] - p2[0] ) * ( p1[0] - p2[0] ) +
                                ( p1[1] - p2[1] ) * ( p1[1] - p2[1] ) +
                                ( p1[2] - p2[2] ) * ( p1[2] - p2[2] ) );

                float mult = m_propLength->get( true ) / l;

243
                WPosition vec = p2 - p1;
244

245
                if( ( fabs( l - static_cast<float>( m_propLength->get( true ) ) ) ) > 0.001 )
246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272
                {
                    knobs[i+1]->setPosition( p1 + vec * mult );
                }
            }
        }

    m_dirty = true;
    update();
}

void WMDatasetProfile::setDirty()
{
    m_dirty = true;
}


void WMDatasetProfile::init()
{
    m_rootNode = new WGEManagedGroupNode( m_active );
    WKernel::getRunningKernel()->getGraphicsEngine()->getScene()->insert( m_rootNode );
    m_lineGeode = osg::ref_ptr< osg::Geode >( new osg::Geode() );
    m_lineGeode->setName( "_line" );
    m_rootNode->insert( m_lineGeode );

    m_changeRoiSignal
            = boost::shared_ptr< boost::function< void() > >( new boost::function< void() >( boost::bind( &WMDatasetProfile::setDirty, this ) ) );

273
    WPosition center = WKernel::getRunningKernel()->getSelectionManager()->getCrosshair()->getPosition();
274

275 276
    addKnob( WPosition( center[0] + 30, center[1], center[2] ) );
    addKnob( WPosition( center[0] - 30, center[1], center[2] ) );
277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315

    osg::ref_ptr<osgViewer::View> viewer = WKernel::getRunningKernel()->getGraphicsEngine()->getViewer()->getView();

    int height = viewer->getCamera()->getViewport()->height();
    int width = viewer->getCamera()->getViewport()->width();

    m_oldViewHeight = height;
    m_oldViewWidth = width;

    m_graphNode = osg::ref_ptr< WGEManagedGroupNode >( new WGEManagedGroupNode( m_active ) );
    m_rootNode->insert( m_graphNode );

    m_wm = new osgWidget::WindowManager( viewer, 0.0f, 0.0f, MASK_2D );

    m_camera = new osg::Camera();
    m_camera->getOrCreateStateSet()->setMode( GL_LIGHTING, osg::StateAttribute::PROTECTED | osg::StateAttribute::OFF );

    m_camera->setProjectionMatrix( osg::Matrix::ortho2D( 0.0, width, 0.0f, height ) );
    m_camera->setReferenceFrame( osg::Transform::ABSOLUTE_RF );
    m_camera->setViewMatrix( osg::Matrix::identity() );
    m_camera->setClearMask( GL_DEPTH_BUFFER_BIT );
    m_camera->setRenderOrder( osg::Camera::POST_RENDER );

    m_graphNode->addChild( m_camera );
    m_camera->addChild( m_wm );

    viewer->addEventHandler( new osgWidget::MouseHandler( m_wm ) );
    viewer->addEventHandler( new osgWidget::KeyboardHandler( m_wm ) );
    viewer->addEventHandler( new osgWidget::ResizeHandler( m_wm, m_camera ) );
    viewer->addEventHandler( new osgWidget::CameraSwitchHandler( m_wm, m_camera ) );
    viewer->addEventHandler( new osgViewer::StatsHandler() );
    viewer->addEventHandler( new osgViewer::WindowSizeHandler() );
    viewer->addEventHandler( new osgGA::StateSetManipulator( viewer->getCamera()->getOrCreateStateSet() ) );

    m_wm->resizeAllWindows();

    m_rootNode->addUpdateCallback( new WGEFunctorCallback< osg::Node >( boost::bind( &WMDatasetProfile::updateCallback, this ) ) );
}

316
void WMDatasetProfile::addKnob( WPosition pos )
317 318 319 320 321 322
{
    osg::ref_ptr<WROISphere> s = osg::ref_ptr<WROISphere>( new WROISphere( pos, 2.5 ) );
    WGraphicsEngine::getGraphicsEngine()->getScene()->addChild( &( *s ) );
    knobs.push_back( s );
    s->addROIChangeNotifier( m_changeRoiSignal );

323
    for( size_t i = 0; i < knobs.size(); ++i )
324 325 326 327 328 329 330 331 332 333 334
    {
        knobs[i]->setColor( osg::Vec4( 0.0, 1.0, 1.0, 1.0 ) );
    }
    knobs[0]->setColor( osg::Vec4( 0.0, 1.0, 0.0, 1.0 ) );
    knobs[knobs.size()- 1]->setColor( osg::Vec4( 1.0, 0.0, 0.0, 1.0 ) );
}

void WMDatasetProfile::update()
{
    m_lineGeode->removeDrawables( 0, 1 );

335
    if( m_active->get() )
336 337 338 339 340
    {
        osg::ref_ptr< osg::Vec3Array > vertices = osg::ref_ptr< osg::Vec3Array >( new osg::Vec3Array );
        osg::ref_ptr< osg::Vec4Array > colors = osg::ref_ptr< osg::Vec4Array >( new osg::Vec4Array );
        osg::ref_ptr< osg::Geometry > geometry = osg::ref_ptr< osg::Geometry >( new osg::Geometry );

341
        for( size_t i = 0; i < knobs.size(); ++i )
342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363
        {
            vertices->push_back( osg::Vec3( knobs[i]->getPosition() ) );
        }

        geometry->addPrimitiveSet( new osg::DrawArrays( osg::PrimitiveSet::LINE_STRIP, 0, vertices->size() ) );
        geometry->setVertexArray( vertices );

        colors->push_back( m_graphColor->get() );
        geometry->setColorArray( colors );
        geometry->setColorBinding( osg::Geometry::BIND_OVERALL );

        // disable light for this geode as lines can't be lit properly
        osg::StateSet* state = m_lineGeode->getOrCreateStateSet();
        state->setMode( GL_LIGHTING, osg::StateAttribute::OFF | osg::StateAttribute::PROTECTED );

        m_lineGeode->addDrawable( geometry );

        osg::ref_ptr<osgViewer::View> viewer = WKernel::getRunningKernel()->getGraphicsEngine()->getViewer()->getView();

        int height = viewer->getCamera()->getViewport()->height();
        int width = viewer->getCamera()->getViewport()->width();

364
        if( ( height != m_oldViewHeight ) || width != m_oldViewWidth || m_active->changed( true ) )
365 366 367 368 369 370 371 372 373 374 375 376 377
        {
            m_oldViewHeight = height;
            m_oldViewWidth = width;

            m_camera->removeChild( m_graphGridGeode );
            m_graphGridGeode = createGraphGridGeode();
            m_camera->addChild( m_graphGridGeode );
        }

        m_camera->removeChild( m_graphGeode );
        m_graphGeode = createGraphGeode();
        m_camera->addChild( m_graphGeode );

378
        for( size_t i = 0; i < knobs.size(); ++i )
379 380 381 382 383 384 385 386
        {
            knobs[i]->unhide();
        }

        m_dirty = false;
    }
    else
    {
387
        for( size_t i = 0; i < knobs.size(); ++i )
388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464
        {
            knobs[i]->hide();
        }
        m_camera->removeChild( m_graphGridGeode );
        m_camera->removeChild( m_graphGeode );
    }
}

osg::ref_ptr< osg::Geode > WMDatasetProfile::createGraphGridGeode()
{
    osg::ref_ptr< osg::Geode > newGeode = osg::ref_ptr< osg::Geode >( new osg::Geode() );

    osg::ref_ptr< osg::Vec3Array > vertices = osg::ref_ptr< osg::Vec3Array >( new osg::Vec3Array );
    osg::ref_ptr< osg::Vec4Array > colors = osg::ref_ptr< osg::Vec4Array >( new osg::Vec4Array );
    osg::ref_ptr< osg::Geometry > geometry = osg::ref_ptr< osg::Geometry >( new osg::Geometry );

    int step = ( m_oldViewWidth - 20 ) / 10;
    int i;
    for( i = 10; i < m_oldViewWidth; i += step )
    {
        vertices->push_back( osg::Vec3( i, m_oldViewHeight / 2, 0 ) );
        vertices->push_back( osg::Vec3( i, 10, 0 ) );
    }
    i -= step;
    int yStep = ( m_oldViewHeight / 2 - 10 ) / 4;

    vertices->push_back( osg::Vec3( 10, 10, 0 ) );
    vertices->push_back( osg::Vec3( i, 10, 0 ) );

    vertices->push_back( osg::Vec3( 10, yStep, 0 ) );
    vertices->push_back( osg::Vec3( i, yStep, 0 ) );

    vertices->push_back( osg::Vec3( 10, yStep * 2, 0 ) );
    vertices->push_back( osg::Vec3( i, yStep * 2, 0 ) );

    vertices->push_back( osg::Vec3( 10, yStep * 3, 0 ) );
    vertices->push_back( osg::Vec3( i, yStep * 3, 0 ) );

    vertices->push_back( osg::Vec3( 10, m_oldViewHeight / 2, 0 ) );
    vertices->push_back( osg::Vec3( i, m_oldViewHeight / 2, 0 ) );

    vertices->push_back( osg::Vec3( 10, 10, 0 ) );
    vertices->push_back( osg::Vec3( i, 10, 0 ) );


    geometry->addPrimitiveSet( new osg::DrawArrays( osg::PrimitiveSet::LINES, 0, vertices->size() ) );
    geometry->setVertexArray( vertices );

    WColor color( 0.7, 0.7, 0.7, 1.0 );
    colors->push_back( color );
    geometry->setColorArray( colors );
    geometry->setColorBinding( osg::Geometry::BIND_OVERALL );

    // disable light for this geode as lines can't be lit properly
    osg::StateSet* state = m_lineGeode->getOrCreateStateSet();
    state->setMode( GL_LIGHTING, osg::StateAttribute::OFF | osg::StateAttribute::PROTECTED );

    newGeode->addDrawable( geometry );

    return newGeode;
}

osg::ref_ptr< osg::Geode > WMDatasetProfile::createGraphGeode()
{
    osg::ref_ptr< osg::Geode > newGeode = osg::ref_ptr< osg::Geode >( new osg::Geode() );

    osg::ref_ptr< osg::Vec3Array > vertices = osg::ref_ptr< osg::Vec3Array >( new osg::Vec3Array );
    osg::ref_ptr< osg::Vec4Array > colors = osg::ref_ptr< osg::Vec4Array >( new osg::Vec4Array );
    osg::ref_ptr< osg::Geometry > geometry = osg::ref_ptr< osg::Geometry >( new osg::Geometry );

    std::vector<float>knobPositions;

    float max = m_dataSet->getValueSet()->getMaximumValue();
    float value;

    float overallLength = 0;
    std::vector<float>segmentLengths;
465
    for( size_t k = 0; k < knobs.size() - 1 ; ++k )
466
    {
467
        WPosition p = ( knobs[k+1]->getPosition() - knobs[k]->getPosition() );
468 469
        segmentLengths.push_back( length( p ) );
        overallLength += length( p );
470 471 472 473
    }

    float x = 12;
    float y;
474
    for( size_t k = 0; k < knobs.size() - 1 ; ++k )
475 476 477 478 479
    {
        float l1 = segmentLengths[k] / overallLength;
        int steps = 100 * l1;

        knobPositions.push_back( x );
480
        WPosition p1 = ( knobs[k+1]->getPosition() - knobs[k]->getPosition() ) / static_cast<float>( steps );
481

482
        for( int i = 0; i < steps; ++i )
483
        {
484
            if( m_propInterpolate->get() )
485 486 487 488 489 490 491 492 493 494
            {
                bool success;
                value = m_dataSet->interpolate( knobs[k]->getPosition() + p1 * i, &success );
            }
            else
            {
                value = m_dataSet->getValueAt( m_grid->getVoxelNum( knobs[k]->getPosition() + p1 * i ) );
            }


495 496 497 498 499 500 501
            x = x + ( m_oldViewWidth /  100 );
            y = 10 + ( value / max * ( m_oldViewHeight - 20 ) / 2 );
            vertices->push_back( osg::Vec3( x, y, 0 ) );
        }
    }
    knobPositions.push_back( x );

502
    for( size_t j = 0; j < knobPositions.size(); ++j )
503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525
    {
        vertices->push_back( osg::Vec3( knobPositions[j], m_oldViewHeight / 2, 0 ) );
        vertices->push_back( osg::Vec3( knobPositions[j], 10, 0 ) );
    }

    geometry->addPrimitiveSet( new osg::DrawArrays( osg::PrimitiveSet::LINE_STRIP, 0, vertices->size() - knobPositions.size() * 2 ) );
    geometry->setVertexArray( vertices );

    geometry->addPrimitiveSet( new osg::DrawArrays( osg::PrimitiveSet::LINES, vertices->size() - ( knobPositions.size() ) * 2,
            ( knobPositions.size() + 1 ) * 2 ) );

    colors->push_back( m_graphColor->get() );
    geometry->setColorArray( colors );
    geometry->setColorBinding( osg::Geometry::BIND_OVERALL );

    // disable light for this geode as lines can't be lit properly
    osg::StateSet* state = m_lineGeode->getOrCreateStateSet();
    state->setMode( GL_LIGHTING, osg::StateAttribute::OFF | osg::StateAttribute::PROTECTED );

    newGeode->addDrawable( geometry );

    return newGeode;
}