[MERGE]

src/graphicsEngine/WGEZoomTrackballManipulator.cpp

@@ -49,6 +49,11 @@ osg::Matrixd WGEZoomTrackballManipulator::getMatrix() const
     return osg::Matrixd::scale( 1.0 / m_zoom, 1.0 / m_zoom, 1.0 / m_zoom ) * TrackballManipulator::getMatrix();
 }
 
+osg::Matrixd WGEZoomTrackballManipulator::getMatrixWithoutZoom() const
+{
+    return TrackballManipulator::getMatrix();
+}
+
 osg::Matrixd WGEZoomTrackballManipulator::getInverseMatrix() const
 {
     return TrackballManipulator::getInverseMatrix() * osg::Matrixd::scale( m_zoom, m_zoom, m_zoom );

src/graphicsEngine/WGEZoomTrackballManipulator.h

@@ -50,6 +50,13 @@ public:
      */
     virtual osg::Matrixd getMatrix() const;
 
+    /**
+     * Get the manipulator only containing rotation and translation.
+     *
+     * \return the matrix with translation and rotation.
+     */
+    virtual osg::Matrixd getMatrixWithoutZoom() const;
+
     /**
      * Get the position of the manipulator as a inverse matrix of the
      * manipulator, typically used as a model view matrix.

src/modules/coordinateHUD/CMakeLists.txt

+FILE( GLOB_RECURSE MODULES_SRC "*.cpp" "*.h" )
+
+# Grab module name and setup target directories
+GET_FILENAME_COMPONENT( MODULE_NAME ${CMAKE_CURRENT_SOURCE_DIR} NAME )
+SET( MODULE_TARGET_DIR ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/modules/${MODULE_NAME} )
+SET( CMAKE_LIBRARY_OUTPUT_DIRECTORY ${MODULE_TARGET_DIR} )
+SET( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${MODULE_TARGET_DIR} )
+SET( MODULE_DIRNAME ${MODULE_NAME} )
+SET( MODULE_NAME    "OWmodule_${MODULE_NAME}" )      # prefix all module names with "OWmodule_" to separate them from other libs
+
+# Build module lib
+ADD_LIBRARY( ${MODULE_NAME} SHARED ${MODULES_SRC} )
+TARGET_LINK_LIBRARIES( ${MODULE_NAME} OWkernel )
+
+# Copy local shaders to module target directory
+IF( OW_COPY_SHADERS AND EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/shaders )    # copy shaders only if the user wants it
+    ADD_CUSTOM_TARGET( ${MODULE_NAME}_CopyShaders
+        COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/shaders ${MODULE_TARGET_DIR}/shaders/ 
+        COMMENT "Copy shaders of ${MODULE_NAME}"
+    )
+    ADD_DEPENDENCIES( ${MODULE_NAME} ${MODULE_NAME}_CopyShaders )
+ENDIF()
+
+# Build unit tests
+IF( OW_COMPILE_TESTS )
+    # This ensures that the test is copied to the module directory
+    SET( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${MODULE_TARGET_DIR} )
+    CXXTEST_ADD_TESTS_FROM_LIST( "${MODULES_SRC}"
+                                 "OWkernel;${MODULE_NAME}"
+                               )
+
+    # Copy fixtures if they exist
+    IF( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/test/fixtures )
+        ADD_CUSTOM_TARGET( ${MODULE_NAME}_CopyFixtures
+            # as the "test" target runs in CMakes temporary build dir, the fixtures need to be placed there too.
+            COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/test/fixtures ${CMAKE_BINARY_DIR}/modules/${MODULE_DIRNAME}/fixtures/
+            COMMENT "Copy fixtures of ${MODULE_NAME}"
+        )
+        ADD_DEPENDENCIES( ${MODULE_NAME} ${MODULE_NAME}_CopyFixtures )
+    ENDIF( EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/test/fixtures )
+
+ENDIF( OW_COMPILE_TESTS )

src/modules/coordinateHUD/WMCoordinateHUD.cpp

+//---------------------------------------------------------------------------
+//
+// Project: OpenWalnut ( http://www.openwalnut.org )
+//
+// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-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 <osg/ShapeDrawable>
+#include <osg/Group>
+#include <osg/Geode>
+#include <osg/MatrixTransform>
+#include <osg/Material>
+#include <osg/StateAttribute>
+
+#include <osg/Vec3>
+#include <osg/Geometry>
+
+#include "../../kernel/WKernel.h"
+#include "../../common/WColor.h"
+#include "../../common/WPropertyHelper.h"
+#include "../../graphicsEngine/WGEUtils.h"
+
+#include "WMCoordinateHUD.h"
+#include "coordinateHUD.xpm"
+#include "option_1.xpm"
+#include "option_2.xpm"
+#include "option_3.xpm"
+
+// This line is needed by the module loader to actually find your module.
+W_LOADABLE_MODULE( WMCoordinateHUD )
+
+WMCoordinateHUD::WMCoordinateHUD():WModule()
+{
+}
+
+WMCoordinateHUD::~WMCoordinateHUD()
+{
+}
+
+boost::shared_ptr< WModule > WMCoordinateHUD::factory() const
+{
+    return boost::shared_ptr< WModule >( new WMCoordinateHUD() );
+}
+
+const char** WMCoordinateHUD::getXPMIcon() const
+{
+    return coordinateHUD_xpm;
+}
+
+const std::string WMCoordinateHUD::getName() const
+{
+    return "CoordinateHUD";
+}
+
+const std::string WMCoordinateHUD::getDescription() const
+{
+    return "This module is to display a coordinatesystem as HUD.";
+}
+
+void WMCoordinateHUD::connectors()
+{
+}
+
+void WMCoordinateHUD::properties()
+{
+    m_propCondition = boost::shared_ptr< WCondition >( new WCondition() );
+
+    // list of alternatives:
+    m_possibleSelections = boost::shared_ptr< WItemSelection >( new WItemSelection() );
+    m_possibleSelections->addItem( "colored axis", "colorfull coordinate axis", option_1_xpm );
+    m_possibleSelections->addItem( "b/w axis", "black & white coordinate axis", option_2_xpm );
+    m_possibleSelections->addItem( "colored cube", "colorfull coordinate cube", option_3_xpm );
+
+    m_aSingleSelection = m_properties->addProperty( "HUD structure",
+            "Which look should the coordinateHUD have?", m_possibleSelections->getSelector( 2 ),
+            m_propCondition );
+
+    WPropertyHelper::PC_SELECTONLYONE::addTo( m_aSingleSelection );
+    WPropertyHelper::PC_NOTEMPTY::addTo( m_aSingleSelection );
+
+    // set the x axis color if in color axis or color cube mode
+}
+
+void WMCoordinateHUD::moduleMain()
+{
+    // added own shader for visualisation as HUD
+    m_shader = osg::ref_ptr< WShader > ( new WShader( "WMCoordinateHUD" , m_localPath ) );
+
+    m_rootNode = new WGEManagedGroupNode( m_active );
+    m_rootNode->setName( "coordHUDNode" );
+    m_shader->apply( m_rootNode );
+    WKernel::getRunningKernel()->getGraphicsEngine()->getScene()->insert( m_rootNode );
+
+    // let the main loop awake if the properties changed.
+    debugLog() << "Entering moduleMain()";
+    m_moduleState.setResetable( true, true );
+    m_moduleState.add( m_propCondition );
+
+    // signal ready state
+    ready();
+    debugLog() << "Module is now ready.";
+
+    while( !m_shutdownFlag() )
+    {
+        WItemSelector s = m_aSingleSelection->get( true );
+        debugLog() << "New mode selected: " << s.at( 0 ).name;
+
+        if ( s.at( 0 ).name == "colored axis" )
+        {
+            buildColorAxis();
+        }
+        else if ( s.at( 0 ).name == "b/w axis" )
+        {
+            buildBWAxis();
+        }
+        else if ( s.at( 0 ).name == "colored cube" )
+        {
+            buildColorCube();
+        }
+
+        //update node
+        m_rootNode->clear();
+        m_geode->setCullingActive( false ); // this disables frustrum culling for the geode to avoid the coordinate system to disappear.
+        m_rootNode->setCullingActive( false );
+        m_rootNode->insert( m_geode );
+
+        debugLog() << "Waiting ...";
+        m_moduleState.wait();
+
+        // quit if requested
+        if ( m_shutdownFlag() )
+        {
+            break;
+        }
+    }
+
+    // remove the node from the graph
+    WKernel::getRunningKernel()->getGraphicsEngine()->getScene()->remove( m_rootNode );
+}
+
+void WMCoordinateHUD::buildColorAxis()
+{
+    // build the geometry & geode for the coordinate axis
+    osg::ref_ptr< osg::Geode > coordGeode = new osg::Geode();
+    osg::ref_ptr< osg::Geometry>  coordGeom = new osg::Geometry;
+
+    // Vertices
+    osg::Vec3Array* vertices = new osg::Vec3Array;
+    vertices = buildAxisVertices();
+
+    // Colors
+    osg::Vec4 x_color( 1.0f, 0.0f, 0.0f, 1.0f );     //red
+    osg::Vec4 y_color( 0.0f, 1.0f, 0.0f, 1.0f );     //green
+    osg::Vec4 z_color( 0.0f, 0.0f, 1.0f, 1.0f );     //blue
+    osg::Vec4 neg_color( 1.0f, 1.0f, 1.0f, 1.0f );   //white
+
+    // x direction transition from red to white
+    // y direction transition from green to white
+    // z direction transition from blue to white
+    osg::Vec4Array* color = new osg::Vec4Array( 12 );
+    (*color)[0] = y_color;
+    (*color)[1] = y_color;
+    (*color)[2] = x_color;
+    (*color)[3] = x_color;
+    (*color)[4] = z_color;
+    (*color)[5] = z_color;
+    (*color)[6] = y_color;
+    (*color)[7] = neg_color;
+    (*color)[8] = x_color;
+    (*color)[9] = neg_color;
+    (*color)[10] = z_color;
+    (*color)[11] = neg_color;
+
+    // add color to geometry
+    coordGeom->setColorArray( color );
+    coordGeom->setColorBinding( osg::Geometry::BIND_PER_VERTEX );
+
+    // primitives = draw lines between vertices
+    osg::DrawArrays *da = new osg::DrawArrays( osg::PrimitiveSet::LINES, 0, vertices->size( ) );
+
+    // add geometry to geode
+    coordGeom->setVertexArray( vertices );
+    coordGeom->addPrimitiveSet( da );
+    coordGeode->addDrawable( coordGeom );
+    coordGeode->getOrCreateStateSet()->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
+
+    m_geode = coordGeode;
+}
+
+void WMCoordinateHUD::buildBWAxis()
+{
+    //build the geometry & geode for the coordinate axis
+    osg::ref_ptr< osg::Geode > coordGeode = new osg::Geode();
+    osg::ref_ptr< osg::Geometry>  coordGeom = new osg::Geometry;
+
+    //Vertices
+    osg::Vec3Array* vertices = new osg::Vec3Array;
+    vertices = buildAxisVertices();
+
+    //Colors
+    osg::Vec4 b_color( 0.0f, 0.0f, 0.0f, 1.0f );     //black
+    osg::Vec4 w_color( 1.0f, 1.0f, 1.0f, 1.0f );     //white
+
+    osg::Vec4Array* color = new osg::Vec4Array( 12 );
+    (*color)[0] = b_color;
+    (*color)[1] = b_color;
+    (*color)[2] = b_color;
+    (*color)[3] = b_color;
+    (*color)[4] = b_color;
+    (*color)[5] = b_color;
+    (*color)[6] = b_color;
+    (*color)[7] = w_color;
+    (*color)[8] = b_color;
+    (*color)[9] = w_color;
+    (*color)[10] = b_color;
+    (*color)[11] = w_color;
+
+    //add color to geometry
+    coordGeom->setColorArray( color );
+    coordGeom->setColorBinding( osg::Geometry::BIND_PER_VERTEX );
+
+    //primitives = draw lines between vertices
+    osg::DrawArrays *da = new osg::DrawArrays( osg::PrimitiveSet::LINES, 0, vertices->size( ) );
+
+    //add geometry to geode
+    coordGeom->setVertexArray( vertices );
+    coordGeom->addPrimitiveSet( da );
+    coordGeode->addDrawable( coordGeom );
+    coordGeode->getOrCreateStateSet()->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
+
+    m_geode = coordGeode;
+}
+
+void WMCoordinateHUD::buildColorCube()
+{
+    // build the geometry & geode for the coordinate axis
+    osg::ref_ptr< osg::Geode > coordGeode = new osg::Geode();
+    osg::ref_ptr< osg::Geometry>  coordGeom = new osg::Geometry;
+
+    // Vertices
+    osg::Vec3Array* vertices = new osg::Vec3Array( 36 );
+    vertices = buildCubeVertices();
+
+    // Colors
+    osg::Vec4 x_color( 0.9f, 0.0f, 0.0f, 1.0f );        // red
+    osg::Vec4 xl_color( 1.0f, 0.7f, 0.7f, 1.0f );       // lightred
+    osg::Vec4 y_color( 0.0f, 0.9f, 0.0f, 1.0f );        // green
+    osg::Vec4 yl_color( 0.7f, 1.0f, 0.7f, 1.0f );       // lightgreen
+    osg::Vec4 z_color( 0.0f, 0.0f, 0.9f, 1.0f );        // blue
+    osg::Vec4 zl_color( 0.7f, 0.7f, 1.0f, 1.0f );       // lightblue
+    osg::Vec4 neg_color( 1.0f, 1.0f, 1.0f, 1.0f );      // white
+
+    // x direction transition from red to lightred
+    // y direction transition from green to lightgreen
+    // z direction transition from blue to lightblue
+    osg::Vec4Array* color = new osg::Vec4Array( 12 );
+    (*color)[0] = (*color)[1] = y_color;
+    (*color)[2] = (*color)[3] = z_color;
+    (*color)[4] = (*color)[5] = x_color;
+
+    (*color)[6] = (*color)[7] = yl_color;
+    (*color)[8] = (*color)[9] = zl_color;
+    (*color)[10] = (*color)[11] = xl_color;
+
+    // add color to geometry
+    coordGeom->setColorArray( color );
+    coordGeom->setColorBinding( osg::Geometry::BIND_PER_PRIMITIVE );
+
+    // primitives = draw lines between vertices
+    osg::DrawArrays *da = new osg::DrawArrays( osg::PrimitiveSet::TRIANGLES, 0, vertices->size( ) );
+
+    // add geometry to geode
+    coordGeom->setVertexArray( vertices );
+    coordGeom->addPrimitiveSet( da );
+    coordGeode->addDrawable( coordGeom );
+    coordGeode->getOrCreateStateSet()->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
+
+    m_geode = coordGeode;
+}
+
+osg::Vec3Array* WMCoordinateHUD::buildAxisVertices()
+{
+    // Vertices
+    float size = 1.0;
+    osg::Vec3Array* vertices = new osg::Vec3Array;
+
+    vertices->push_back( osg::Vec3( 0, 0, 0 ) );
+    vertices->push_back( osg::Vec3( size, 0, 0 ) );
+    vertices->push_back( osg::Vec3( 0, 0, 0 ) );
+    vertices->push_back( osg::Vec3( 0, size, 0 ) );
+    vertices->push_back( osg::Vec3( 0, 0, 0 ) );
+    vertices->push_back( osg::Vec3( 0, 0, size ) );
+    vertices->push_back( osg::Vec3( 0, 0, 0 ) );
+    vertices->push_back( osg::Vec3( -size, 0, 0 ) );
+    vertices->push_back( osg::Vec3( 0, 0, 0 ) );
+    vertices->push_back( osg::Vec3( 0, -size, 0 ) );
+    vertices->push_back( osg::Vec3( 0, 0, 0 ) );
+    vertices->push_back( osg::Vec3( 0, 0, -size ) );
+
+    return vertices;
+}
+
+osg::Vec3Array* WMCoordinateHUD::buildCubeVertices()
+{
+    // Vertices
+    float s = 0.4;
+    osg::Vec3Array* vertices = new osg::Vec3Array( 36 );
+
+    (*vertices)[15] = (*vertices)[12] = (*vertices)[9] =
+        (*vertices)[6] = (*vertices)[0] = osg::Vec3( s, s, s );         //1
+
+    (*vertices)[33] = (*vertices)[30] = (*vertices)[8] =
+        (*vertices)[3] = (*vertices)[1] = osg::Vec3( s, -s, s );        //2
+
+    (*vertices)[26] = (*vertices)[17] = (*vertices)[5] =
+        (*vertices)[2] = osg::Vec3( s, s, -s );                         //3
+
+    (*vertices)[32] = (*vertices)[29] = (*vertices)[25] =
+        (*vertices)[4] = osg::Vec3( s, -s, -s );                        //4
+
+    (*vertices)[18] = (*vertices)[13] = (*vertices)[10] =
+        osg::Vec3( -s, s, s );                                          //5
+
+    (*vertices)[19] = (*vertices)[34] = (*vertices)[21] =
+        (*vertices)[11] = (*vertices)[7] =  osg::Vec3( -s, -s, s );     //6
+
+    (*vertices)[27] = (*vertices)[24] = (*vertices)[23] =
+        (*vertices)[20] = (*vertices)[16] =
+        (*vertices)[14] = osg::Vec3( -s, s, -s );                       //7
+
+    (*vertices)[31] = (*vertices)[28] = (*vertices)[22] =
+        (*vertices)[35] = osg::Vec3( -s, -s, -s );                      //8
+
+    return vertices;
+}
+
+// TODO(ebaum):
+// text only shown as huge rectangle with the WMCoordinateHUD shader
+// up: kranial, bottom: kaudal, front: anterior, back: posterior,
+// left: sinistra, right: dexter
+void WMCoordinateHUD::buildCaption()
+{
+    osgText::Text* textOne = new osgText::Text();
+    osg::ref_ptr< osg::Geode > txtGeode = new osg::Geode();
+
+    txtGeode->addDrawable( textOne );
+
+    // Set up the parameters for the text we'll add to the HUD:
+    textOne->setCharacterSize( 25 );
+    // textOne->setFont("C:/WINDOWS/Fonts/impact.ttf");
+    textOne->setText( "D" );
+    textOne->setAxisAlignment( osgText::Text::USER_DEFINED_ROTATION );
+    textOne->setAutoRotateToScreen( false );
+    textOne->setCharacterSizeMode( osgText::Text::OBJECT_COORDS );
+    textOne->setPosition( osg::Vec3( 0, 0.5, 0.5 ) );
+    textOne->setColor( osg::Vec4( 255, 0, 0, 1 ) );
+    m_txtGeode = txtGeode;
+}

src/modules/coordinateHUD/WMCoordinateHUD.h

+//---------------------------------------------------------------------------
+//
+// Project: OpenWalnut ( http://www.openwalnut.org )
+//
+// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-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/>.
+//
+//---------------------------------------------------------------------------
+
+#ifndef WMCOORDINATEHUD_H
+#define WMCOORDINATEHUD_H
+
+#include <string>
+
+#include <osg/Geode>
+
+#include "../../common/WItemSelection.h"
+#include "../../common/WItemSelector.h"
+
+#include "../../graphicsEngine/WGEManagedGroupNode.h"
+#include "../../graphicsEngine/WGEZoomTrackballManipulator.h"
+#include "../../graphicsEngine/WShader.h"
+
+#include "../../kernel/WModule.h"
+#include "../../kernel/WModuleInputData.h"
+#include "../../kernel/WModuleOutputData.h"
+
+/**
+ * This module shows a coordinatesystem as HUD.
+ * The attenuation can be customized to users needs.
+ */
+class WMCoordinateHUD: public WModule, public osg::Referenced
+{
+    public:
+
+        /**
+         * Default constructor.
+         */
+        WMCoordinateHUD();
+
+        /**
+         * Destructor.
+         */
+        virtual ~WMCoordinateHUD();
+
+        /**
+         * Gives back the name of this module.
+         * \return the module's name.
+         */
+        virtual const std::string getName() const;
+
+        /**
+         * Gives back a description of this module.
+         * \return description to module.
+         */
+        virtual const std::string getDescription() const;
+
+        /**
+         * Due to the prototype design pattern used to build modules, this method returns a new instance of this method. NOTE: it
+         * should never be initialized or modified in some other way. A simple new instance is required.
+         *
+         * \return the prototype used to create every module in OpenWalnut.
+         */
+        virtual boost::shared_ptr< WModule > factory() const;
+
+        /**
+         * Get the icon for this module in XPM format.
+         */
+        virtual const char** getXPMIcon() const;
+
+    protected:
+
+        /**
+         * Entry point after loading the module. Runs in separate thread.
+         */
+        virtual void moduleMain();
+
+        /**
+         * Initialize the connectors this module is using.
+         */
+        virtual void connectors();
+
+        /**
+         * Initialize the properties for this module.
+         */
+        virtual void properties();
+
+        /**
+         * Build the geode for colorfull coordinate axis
+         */
+        virtual void buildColorAxis();
+
+        /**
+         * build the geode for black & white coordinate axis
+         */
+        virtual void buildBWAxis();
+
+        /**
+         * build the geode for black & white coordinate cube
+         */
+        virtual void buildColorCube();
+
+        /**
+         * build the geometry of the cube
+         */
+        virtual osg::Vec3Array* buildCubeVertices();
+
+        /**
+         * build the geometry of the axis
+         */
+        virtual osg::Vec3Array* buildAxisVertices();
+
+        /**
+         * create caption for medical plane
+         */
+        virtual void buildCaption();
+
+        /**
+         * The root node used for this modules graphics.
+         */
+        osg::ref_ptr< WGEManagedGroupNode > m_rootNode;
+
+        /**
+         * The geometry rendered by this module.
+         */
+        osg::ref_ptr< osg::Geode > m_geode;
+
+        /**
+         * The caption rendered by this module.
+         */
+        osg::ref_ptr< osg::Geode > m_txtGeode;
+