Merge branch 'metaproperty' of /mnt/bigone/git/repositories/berge/campvis into development

application/CMakeLists.txt

@@ -51,6 +51,7 @@ SET(CampvisApplicationToBeMocced
     gui/properties/floatpropertywidget.h
     gui/properties/geometry1dtransferfunctioneditor.h
     gui/properties/geometry2dtransferfunctioneditor.h
+    gui/properties/metapropertywidget.h
     gui/properties/optionpropertywidget.h
     gui/properties/propertycollectionwidget.h
     gui/properties/simpletransferfunctioneditor.h

application/gui/properties/abstractpropertywidget.cpp

@@ -46,14 +46,19 @@ namespace campvis {
             QBoxLayout* outerLayout = new QBoxLayout(QBoxLayout::LeftToRight, this);
             QGroupBox* groupBox = new QGroupBox(QString::fromStdString(_property->getTitle()));
 
+            outerLayout->setMargin(4);
             outerLayout->addWidget(groupBox);
+
             _layout = new QBoxLayout(QBoxLayout::TopToBottom, groupBox);
+            _layout->setSpacing(1);
+            _layout->setMargin(3);
         }
         else {
             _titleLabel = new QLabel(QString::fromStdString(_property->getTitle() + ":"), this);
 
             _layout = new QBoxLayout(QBoxLayout::LeftToRight, this);
             _layout->setSpacing(8);
+            _layout->setMargin(4);
             _layout->addWidget(_titleLabel, 0);
         }
 

application/gui/properties/camerapropertywidget.cpp

@@ -35,7 +35,7 @@
 
 namespace campvis {
     CameraPropertyWidget::CameraPropertyWidget(CameraProperty* property, QWidget* parent /*= 0*/)
-        : AbstractPropertyWidget(property, false, parent)
+        : AbstractPropertyWidget(property, true, parent)
         , _lblCameraPosition(0)
         , _lblLookDirection(0)
         , _lblUpVector(0)

application/gui/properties/intpropertywidget.cpp

@@ -32,6 +32,7 @@
 #include <QCheckBox>
 #include <QTimer>
 #include <QGridLayout>
+#include <QPushButton>
 #include <QWidget>
 
 namespace campvis {
@@ -45,6 +46,8 @@ namespace campvis {
 
         QWidget* widget = new QWidget(this);
         QGridLayout* layout = new QGridLayout(widget);
+        layout->setSpacing(2);
+        layout->setMargin(0);
         widget->setLayout(layout);
 
         _adjuster = new IntAdjusterWidget;
@@ -54,14 +57,20 @@ namespace campvis {
         _adjuster->setValue(property->getValue());
         layout->addWidget(_adjuster, 0, 0, 1, 2);
 
+        _btnShowHideTimer = new QPushButton(tr("S"));
+        _btnShowHideTimer->setFixedWidth(16);
+        layout->addWidget(_btnShowHideTimer, 0, 2);
+
         _cbEnableTimer = new QCheckBox("Enable Timer", widget);
+        _cbEnableTimer->setVisible(false);
         layout->addWidget(_cbEnableTimer, 1, 0);
 
         _sbInterval = new QSpinBox(widget);
         _sbInterval->setMinimum(1);
         _sbInterval->setMaximum(2000);
         _sbInterval->setValue(50);
-        layout->addWidget(_sbInterval, 1, 1);
+        _sbInterval->setVisible(false);
+        layout->addWidget(_sbInterval, 1, 1, 1, 2);
 
         addWidget(widget);
 
@@ -69,6 +78,7 @@ namespace campvis {
         connect(_adjuster, SIGNAL(valueChanged(int)), this, SLOT(onValueChanged(int)));
         connect(_cbEnableTimer, SIGNAL(stateChanged(int)), this, SLOT(onEnableTimerChanged(int)));
         connect(_sbInterval, SIGNAL(valueChanged(int)), this, SLOT(onIntervalValueChanged(int)));
+        connect(_btnShowHideTimer, SIGNAL(clicked()), this, SLOT(onBtnSHTClicked()));
         property->s_minMaxChanged.connect(this, &IntPropertyWidget::onPropertyMinMaxChanged);
         property->s_stepChanged.connect(this, &IntPropertyWidget::onPropertyStepChanged);
     }
@@ -129,4 +139,10 @@ namespace campvis {
             prop->setValue(prop->getMinValue());
     }
 
+    void IntPropertyWidget::onBtnSHTClicked() {
+        _cbEnableTimer->setVisible(! _cbEnableTimer->isVisible());
+        _sbInterval->setVisible(! _sbInterval->isVisible());
+        _btnShowHideTimer->setText(_sbInterval->isVisible() ? tr("H") : tr("S"));
+    }
+
 }
\ No newline at end of file

application/gui/properties/intpropertywidget.h

@@ -35,6 +35,7 @@
 #include "core/properties/numericproperty.h"
 
 class QCheckBox;
+class QPushButton;
 class QTimer;
 
 namespace campvis {
@@ -68,6 +69,7 @@ namespace campvis {
         void onIntervalValueChanged(int value);
         void onEnableTimerChanged(int state);
         void onTimer();
+        void onBtnSHTClicked();
 
     private:
         /// Slot getting called when the property's min or max value has changed, so that the widget can be updated.
@@ -78,6 +80,7 @@ namespace campvis {
 
         IntAdjusterWidget* _adjuster;
 
+        QPushButton* _btnShowHideTimer;
         QTimer* _timer;
         QCheckBox* _cbEnableTimer;
         QSpinBox* _sbInterval;

application/gui/properties/metapropertywidget.cpp

+// ================================================================================================
+// 
+// This file is part of the CAMPVis Software Framework.
+// 
+// If not explicitly stated otherwise: Copyright (C) 2012, all rights reserved,
+//      Christian Schulte zu Berge <christian.szb@in.tum.de>
+//      Chair for Computer Aided Medical Procedures
+//      Technische Universität München
+//      Boltzmannstr. 3, 85748 Garching b. München, Germany
+// For a full list of authors and contributors, please refer to the file "AUTHORS.txt".
+// 
+// The licensing of this softare is not yet resolved. Until then, redistribution in source or
+// binary forms outside the CAMP chair is not permitted, unless explicitly stated in legal form.
+// However, the names of the original authors and the above copyright notice must retain in its
+// original state in any case.
+// 
+// Legal disclaimer provided by the BSD license:
+// 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 HOLDER 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.
+// 
+// ================================================================================================
+
+#include "tgt/assert.h"
+#include "metapropertywidget.h"
+
+namespace campvis {
+    MetaPropertyWidget::MetaPropertyWidget(MetaProperty* property, DataContainer* dc, QWidget* parent /*= 0*/)
+        : AbstractPropertyWidget(property, true, parent)
+        , _pcw(0)
+        , _dc(dc)
+    {
+        tgtAssert(_dc != 0, "Pointer to DataContainer must not be 0.");
+
+        _pcw = new PropertyCollectionWidget(this);
+        _pcw->updatePropCollection(property, _dc);
+        addWidget(_pcw);
+    }
+
+    MetaPropertyWidget::~MetaPropertyWidget() {
+    }
+
+    void MetaPropertyWidget::updateWidgetFromProperty() {
+    }
+
+
+}
\ No newline at end of file

application/gui/properties/metapropertywidget.h

+// ================================================================================================
+// 
+// This file is part of the CAMPVis Software Framework.
+// 
+// If not explicitly stated otherwise: Copyright (C) 2012, all rights reserved,
+//      Christian Schulte zu Berge <christian.szb@in.tum.de>
+//      Chair for Computer Aided Medical Procedures
+//      Technische Universität München
+//      Boltzmannstr. 3, 85748 Garching b. München, Germany
+// For a full list of authors and contributors, please refer to the file "AUTHORS.txt".
+// 
+// The licensing of this softare is not yet resolved. Until then, redistribution in source or
+// binary forms outside the CAMP chair is not permitted, unless explicitly stated in legal form.
+// However, the names of the original authors and the above copyright notice must retain in its
+// original state in any case.
+// 
+// Legal disclaimer provided by the BSD license:
+// 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 HOLDER 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.
+// 
+// ================================================================================================
+
+#ifndef METAPROPERTYWIDGET_H__
+#define METAPROPERTYWIDGET_H__
+
+
+#include "application/gui/properties/propertycollectionwidget.h"
+#include "application/gui/properties/abstractpropertywidget.h"
+#include "core/properties/metaproperty.h"
+
+namespace campvis {
+    class DataContainer;
+
+    /**
+     * Widget for a Camera.
+     * For now just offering read-access.
+     */
+    class MetaPropertyWidget : public AbstractPropertyWidget {
+        Q_OBJECT;
+
+    public:
+        /**
+         * Creates a new MetaPropertyWidget for the property \a property.
+         * \param   property    The property the widget shall handle
+         * \param   parent      Parent Qt widget
+         */
+        MetaPropertyWidget(MetaProperty* property, DataContainer* dc, QWidget* parent = 0);
+
+        /**
+         * Destructor
+         */
+        virtual ~MetaPropertyWidget();
+
+    protected:
+        /**
+         * Gets called when the property has changed, so that widget can update its state.
+         */
+        virtual void updateWidgetFromProperty();
+
+
+    private:
+        PropertyCollectionWidget* _pcw;
+        DataContainer* _dc;
+
+    };
+}
+
+#endif // METAPROPERTYWIDGET_H__

application/gui/properties/propertycollectionwidget.cpp

@@ -73,7 +73,8 @@ namespace campvis {
 
     void PropertyCollectionWidget::setupWidget() {
         _layout = new QVBoxLayout();
-        _layout->setSpacing(0);
+        _layout->setSpacing(8);
+        _layout->setMargin(0);
         setLayout(_layout);
     }
 

application/gui/properties/propertywidgetfactory.cpp

@@ -36,6 +36,7 @@
 #include "application/gui/properties/datanamepropertywidget.h"
 #include "application/gui/properties/intpropertywidget.h"
 #include "application/gui/properties/floatpropertywidget.h"
+#include "application/gui/properties/metapropertywidget.h"
 #include "application/gui/properties/optionpropertywidget.h"
 #include "application/gui/properties/stringpropertywidget.h"
 #include "application/gui/properties/transferfunctionpropertywidget.h"
@@ -108,6 +109,10 @@ namespace campvis {
             return new TransferFunctionPropertyWidget(tester);
         }
 
+        if (MetaProperty* tester = dynamic_cast<MetaProperty*>(property)) {
+            return new MetaPropertyWidget(tester, dc);
+        }
+
         return 0;
     }
 

application/gui/properties/transferfunctionpropertywidget.cpp

@@ -42,7 +42,7 @@
 
 namespace campvis {
     TransferFunctionPropertyWidget::TransferFunctionPropertyWidget(TransferFunctionProperty* property, QWidget* parent /*= 0*/)
-        : AbstractPropertyWidget(property, false, parent)
+        : AbstractPropertyWidget(property, true, parent)
         , _widget(0)
         , _gridLayout(0)
         , _lblDomain(0)
@@ -72,11 +72,11 @@ namespace campvis {
         _spinDomainRight->setSingleStep(0.01);
         _gridLayout->addWidget(_spinDomainRight, 0, 2);
 
-        _btnFitDomainToImage = new QPushButton("Fit Intensity Domain to Image", _widget);
-        _gridLayout->addWidget(_btnFitDomainToImage, 1, 0, 1, 3);
+        _btnFitDomainToImage = new QPushButton("Fit", _widget);
+        _gridLayout->addWidget(_btnFitDomainToImage, 0, 3);
 
         _btnEditTF = new QPushButton("Edit Transfer Function", _widget);
-        _gridLayout->addWidget(_btnEditTF, 2, 0, 1, 3);
+        _gridLayout->addWidget(_btnEditTF, 1, 1, 1, 3);
 
         addWidget(_widget);
 

core/pipeline/processordecoratormasking.cpp

@@ -42,9 +42,13 @@ namespace campvis {
         , _texUnit(0)
         , _maskImage(0)
     {
+        _applyMask.s_changed.connect(this, &ProcessorDecoratorMasking::onPropertyChanged);
+        _maskID.setVisible(false);
+        _maskColor.setVisible(false);
     }
 
     ProcessorDecoratorMasking::~ProcessorDecoratorMasking() {
+        _applyMask.s_changed.disconnect(this);
         delete _texUnit;
         delete _maskImage;
     }
@@ -85,4 +89,11 @@ namespace campvis {
             return "";
     }
 
+    void ProcessorDecoratorMasking::onPropertyChanged(const AbstractProperty* p) {
+        if (p == &_applyMask) {
+            _maskID.setVisible(_applyMask.getValue());
+            _maskColor.setVisible(_applyMask.getValue());
+        }
+    }
+
 }

core/pipeline/processordecoratormasking.h

@@ -40,7 +40,7 @@
 
 namespace campvis {
 
-    class ProcessorDecoratorMasking : public AbstractProcessorDecorator {
+    class ProcessorDecoratorMasking : public AbstractProcessorDecorator, public sigslot::has_slots<> {
     public:
         ProcessorDecoratorMasking();
         virtual ~ProcessorDecoratorMasking();
@@ -60,6 +60,10 @@ namespace campvis {
 
         tgt::TextureUnit* _texUnit;
         ScopedTypedData<RenderData>* _maskImage;
+
+    private:
+        void onPropertyChanged(const AbstractProperty* p);
+
     };
 
 }

core/pipeline/processordecoratorshading.cpp

@@ -38,11 +38,11 @@ namespace campvis {
         : AbstractProcessorDecorator()
         , _enableShading("EnableShading", "Enable Shading", true, AbstractProcessor::INVALID_SHADER | AbstractProcessor::INVALID_RESULT)
         , _centralDifferences("CentralDifferences", "Use Central instead of Forward Differences", false, AbstractProcessor::INVALID_SHADER | AbstractProcessor::INVALID_RESULT)
-        , _lightPosition("LightPosition", "Light Position", tgt::vec3(-8.f), tgt::vec3(-500.f), tgt::vec3(500.f), tgt::vec3(0.1f))
-        , _ambientColor("AmbientColor", "Ambient Light Color", tgt::vec3(0.5f), tgt::vec3(0.f), tgt::vec3(1.f))
+        , _lightPosition("LightPosition", "Light Position", tgt::vec3(-100.f), tgt::vec3(-500.f), tgt::vec3(500.f), tgt::vec3(1.f))
+        , _ambientColor("AmbientColor", "Ambient Light Color", tgt::vec3(0.4f), tgt::vec3(0.f), tgt::vec3(1.f))
         , _diffuseColor("DiffuseColor", "Diffuse Light Color", tgt::vec3(0.75f), tgt::vec3(0.f), tgt::vec3(1.f))
-        , _specularColor("SpecularColor", "Specular Light Color", tgt::vec3(0.5f), tgt::vec3(0.f), tgt::vec3(1.f))
-        , _shininess("Shininess", "Specular Shininess", 4.f, 0.f, 64.f, 0.5f)
+        , _specularColor("SpecularColor", "Specular Light Color", tgt::vec3(0.6f), tgt::vec3(0.f), tgt::vec3(1.f))
+        , _shininess("Shininess", "Specular Shininess", 24.f, 0.f, 64.f, 0.5f)
         , _attenuation("Attenuation", "Attenuation Factors", tgt::vec3(0.f), tgt::vec3(0.f), tgt::vec3(1.f))
         , _lightUniformName(lightUniformName)
     {

core/pipeline/raycastingprocessor.cpp

@@ -48,9 +48,8 @@ namespace campvis {
         , p_exitImageID("exitImageID", "Input Exit Points Image", "", DataNameProperty::READ)
         , p_camera("camera", "Camera")
         , p_transferFunction("TransferFunction", "Transfer Function", new SimpleTransferFunction(256))
-        , p_samplingRate("SamplingRate", "Sampling Rate", 2.f, 0.1f, 10.f, 0.1f)
-        , p_jitterEntryPoints("jitterEntryPoints", "Jitter Entry Points", true)
         , p_jitterStepSizeMultiplier("jitterStepSizeMultiplier", "Jitter Step Size Multiplier", .5f, .1f, 1.f)
+        , p_samplingRate("SamplingRate", "Sampling Rate", 2.f, 0.1f, 10.f, 0.1f)
         , _fragmentShaderFilename(fragmentShaderFileName)
         , _shader(0)
         , _bindEntryExitDepthTextures(bindEntryExitDepthTextures)
@@ -61,9 +60,8 @@ namespace campvis {
         addProperty(&p_exitImageID);
         addProperty(&p_camera);  
         addProperty(&p_transferFunction);
-        addProperty(&p_samplingRate);
-        addProperty(&p_jitterEntryPoints);
         addProperty(&p_jitterStepSizeMultiplier);
+        addProperty(&p_samplingRate);
     }
 
     RaycastingProcessor::~RaycastingProcessor() {
@@ -107,7 +105,6 @@ namespace campvis {
                 _shader->setIgnoreUniformLocationError(true);
                 decorateRenderProlog(data, _shader);
                 _shader->setUniform("_viewportSizeRCP", 1.f / tgt::vec2(getEffectiveViewportSize()));
-                _shader->setUniform("_jitterEntryPoints", p_jitterEntryPoints.getValue());
                 _shader->setUniform("_jitterStepSizeMultiplier", p_jitterStepSizeMultiplier.getValue());
 
                 float samplingStepSize = 1.f / (p_samplingRate.getValue() * tgt::max(img->getSize()));

core/pipeline/raycastingprocessor.h

@@ -106,9 +106,8 @@ namespace campvis {
 
         CameraProperty p_camera;                         ///< Camera used for ray casting
         TransferFunctionProperty p_transferFunction;     ///< Transfer function
-        FloatProperty p_samplingRate;                    ///< Ray casting sampling rate
-        BoolProperty p_jitterEntryPoints;                ///< Flag whether to jitter the entry points
         FloatProperty p_jitterStepSizeMultiplier;        ///< Step size multiplier for entry points jitter
+        FloatProperty p_samplingRate;                    ///< Ray casting sampling rate
 
     protected:
         /**

core/properties/metaproperty.cpp

+// ================================================================================================
+// 
+// This file is part of the CAMPVis Software Framework.
+// 
+// If not explicitly stated otherwise: Copyright (C) 2012, all rights reserved,
+//      Christian Schulte zu Berge <christian.szb@in.tum.de>
+//      Chair for Computer Aided Medical Procedures
+//      Technische Universität München
+//      Boltzmannstr. 3, 85748 Garching b. München, Germany
+// For a full list of authors and contributors, please refer to the file "AUTHORS.txt".
+// 
+// The licensing of this softare is not yet resolved. Until then, redistribution in source or
+// binary forms outside the CAMP chair is not permitted, unless explicitly stated in legal form.
+// However, the names of the original authors and the above copyright notice must retain in its
+// original state in any case.
+// 
+// Legal disclaimer provided by the BSD license:
+// 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 HOLDER 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.
+// 
+// ================================================================================================
+
+#include "metaproperty.h"
+
+namespace campvis {
+
+    const std::string MetaProperty::loggerCat_ = "CAMPVis.core.datastructures.MetaProperty";
+
+    MetaProperty::MetaProperty(const std::string& name, const std::string& title, int invalidationLevel /*= AbstractProcessor::INVALID_RESULT*/)
+        : AbstractProperty(name, title, invalidationLevel)
+    {
+    }
+
+    MetaProperty::~MetaProperty() {
+    }
+
+    void MetaProperty::onPropertyChanged(const AbstractProperty* prop) {
+        s_changed(prop);
+    }
+
+    void MetaProperty::addPropertyCollection(HasPropertyCollection& pc) {
+        PropertyCollection& c = pc.getProperties();
+        for (std::vector<AbstractProperty*>::const_iterator it = c.begin(); it != c.end(); ++it) {
+            addProperty(*it);
+        }
+    }
+
+
+}

core/properties/metaproperty.h

+// ================================================================================================
+// 
+// This file is part of the CAMPVis Software Framework.
+// 
+// If not explicitly stated otherwise: Copyright (C) 2012, all rights reserved,
+//      Christian Schulte zu Berge <christian.szb@in.tum.de>
+//      Chair for Computer Aided Medical Procedures
+//      Technische Universität München
+//      Boltzmannstr. 3, 85748 Garching b. München, Germany
+// For a full list of authors and contributors, please refer to the file "AUTHORS.txt".
+// 
+// The licensing of this softare is not yet resolved. Until then, redistribution in source or
+// binary forms outside the CAMP chair is not permitted, unless explicitly stated in legal form.
+// However, the names of the original authors and the above copyright notice must retain in its
+// original state in any case.
+// 
+// Legal disclaimer provided by the BSD license:
+// 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 HOLDER 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.
+// 
+// ================================================================================================
+
+#ifndef METAPROPERTY_H__
+#define METAPROPERTY_H__
+
+
+#include "core/properties/abstractproperty.h"
+#include "core/properties/propertycollection.h"
+
+namespace campvis {
+    /**
+     * Property wrapping around a bunch of other properties.
+     * Useful either for grouping properties or for wrapping around entire property collections.
+     * 
+     * \note    ATTENTION: Even though MetaProperty derives from HasPropertyCollection, it does 
+     *                     neither take ownership of its wrapped properties, nor does is (de)initialize
+     *                     or (un)lock them. This has to be done by the owners of the wrapped 
+     *                     properties.
+     */
+    class MetaProperty : public AbstractProperty, public HasPropertyCollection {
+    public:
+        /**
+         * Creates a new MetaProperty
+         * \param name      Property name (unchangable!)
+         * \param title     Property title (e.g. used for GUI)
+         * \param invalidationLevel  Invalidation level that this property triggers
+         */
+        MetaProperty(const std::string& name, const std::string& title, int invalidationLevel = AbstractProcessor::INVALID_RESULT);
+
+        /**
+         * Virtual Destructor
+         **/
+        virtual ~MetaProperty();
+
+
+        /// \see HasPropertyCollection::onPropertyChanged
+        virtual void onPropertyChanged(const AbstractProperty* prop);
+
+        /**
+         * Adds all properties in \a pc to this meta property.
+         * \param   pc  PropertyCollection to add
+         */
+        void addPropertyCollection(HasPropertyCollection& pc);
+
+    protected:
+
+        static const std::string loggerCat_;
+    };
+
+}
+
+#endif // METAPROPERTY_H__

modules/vis/glsl/drrraycaster.frag

@@ -35,7 +35,6 @@ out vec4 out_Color;         ///< outgoing fragment color
 #include "tools/transferfunction.frag"
 
 uniform vec2 _viewportSizeRCP;
-uniform bool _jitterEntryPoints;
 uniform float _jitterStepSizeMultiplier;
 
 // ray entry points
@@ -73,8 +72,7 @@ vec4 raycastDRR(in vec3 entryPoint, in vec3 exitPoint) {
     float tend = length(direction);
     direction = normalize(direction);
 
-    if (_jitterEntryPoints)
-        jitterEntryPoint(entryPoint, direction, _samplingStepSize * _jitterStepSizeMultiplier);
+    jitterEntryPoint(entryPoint, direction, _samplingStepSize * _jitterStepSizeMultiplier);
 
     while (t < tend) {
         // compute sample position

modules/vis/glsl/simpleraycaster.frag

@@ -39,7 +39,6 @@ layout(location = 2) out vec4 out_FHN;       ///< outgoing fragment first hit no
 #include "tools/transferfunction.frag"
 
 uniform vec2 _viewportSizeRCP;
-uniform bool _jitterEntryPoints;
 uniform float _jitterStepSizeMultiplier;
 
 
@@ -92,8 +91,7 @@ vec4 performRaycasting(in vec3 entryPoint, in vec3 exitPoint, in vec2 texCoords)
     float tend = length(direction);
     direction = normalize(direction);
 
-    if (_jitterEntryPoints)
-        jitterEntryPoint(entryPoint, direction, _samplingStepSize * _jitterStepSizeMultiplier);
+    jitterEntryPoint(entryPoint, direction, _samplingStepSize * _jitterStepSizeMultiplier);
 
     while (t < tend) {
         // compute sample position

modules/vis/pipelines/volumeexplorerdemo.cpp

@@ -39,12 +39,9 @@ namespace campvis {
 
     VolumeExplorerDemo::VolumeExplorerDemo(DataContainer* dc)
         : AutoEvaluationPipeline(dc)
-        , _camera("camera", "Camera")
         , _imageReader()
         , _ve(&_canvasSize)
     {
-        addProperty(&_camera);
-
         addProcessor(&_imageReader);
         addProcessor(&_ve);
 
@@ -59,7 +56,6 @@ namespace campvis {
         
         _imageReader.s_validated.connect(this, &VolumeExplorerDemo::onProcessorValidated);
 
-        _camera.addSharedProperty(&_ve.p_camera);
         _ve.p_outputImage.setValue("combine");
         _renderTargetID.setValue("combine");