[MERGE]

src/modules/modules-others.toolbox

@@ -35,6 +35,7 @@ ADD_MODULE( schmahmannPandyaSlices )
 ADD_MODULE( splineSurface )
 ADD_MODULE( surfaceParameterAnimator )
 ADD_MODULE( webglSupport )
+ADD_MODULE( surfaceIllustrator )
 
 IF( Teem_FOUND )
     ADD_MODULE( teemGlyphs ${Teem_LIBRARIES} )

src/modules/surfaceIllustrator/WMSurfaceIllustrator.cpp

+//---------------------------------------------------------------------------
+//
+// 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 <algorithm>
+#include <list>
+#include <limits>
+#include <map>
+#include <string>
+#include <vector>
+
+#include <osg/Geode>
+#include <osg/LightModel>
+
+#include "core/common/math/WMath.h"
+#include "core/common/WLimits.h"
+#include "core/graphicsEngine/shaders/WGEPropertyUniform.h"
+#include "core/graphicsEngine/shaders/WGEShader.h"
+#include "core/graphicsEngine/shaders/WGEShaderPropertyDefineOptions.h"
+#include "core/graphicsEngine/WGEColormapping.h"
+#include "core/graphicsEngine/WGEGeodeUtils.h"
+#include "core/graphicsEngine/WGEManagedGroupNode.h"
+#include "core/graphicsEngine/WGEUtils.h"
+#include "core/graphicsEngine/WTriangleMesh.h"
+#include "core/kernel/WKernel.h"
+#include "WMSurfaceIllustrator.h"
+#include "WMSurfaceIllustrator.xpm"
+
+// This line is needed by the module loader to actually find your module.
+W_LOADABLE_MODULE( WMSurfaceIllustrator )
+
+WMSurfaceIllustrator::WMSurfaceIllustrator():
+    WModule()
+{
+}
+
+WMSurfaceIllustrator::~WMSurfaceIllustrator()
+{
+    // Cleanup!
+}
+
+boost::shared_ptr< WModule > WMSurfaceIllustrator::factory() const
+{
+    // See "src/modules/template/" for an extensively documented example.
+    return boost::shared_ptr< WModule >( new WMSurfaceIllustrator() );
+}
+
+const char** WMSurfaceIllustrator::getXPMIcon() const
+{
+    return WMSurfaceIllustrator_xpm;
+}
+
+const std::string WMSurfaceIllustrator::getName() const
+{
+    return "Surface Illustrator";
+}
+
+const std::string WMSurfaceIllustrator::getDescription() const
+{
+    return "Takes a (parameterized) triangle mesh as input and renders it as a shaded surface with serverall illustration options.";
+}
+
+void WMSurfaceIllustrator::updateMinMax( double& minX, double& maxX, // NOLINT
+                                           double& minY, double& maxY, // NOLINT
+                                           double& minZ, double& maxZ, const osg::Vec3d& vector ) const // NOLINT
+{
+    minX = std::min( minX, vector.x() );
+    minY = std::min( minY, vector.y() );
+    minZ = std::min( minZ, vector.z() );
+
+    maxX = std::max( maxX, vector.x() );
+    maxY = std::max( maxY, vector.y() );
+    maxZ = std::max( maxZ, vector.z() );
+}
+
+double WMSurfaceIllustrator::getMedian( double x, double y, double z ) const
+{
+    if( ( y < x && z > x ) || ( z < x && y > x) )
+    {
+        return x;
+    }
+
+    if( ( x < y && z > y ) || ( x < y && z > y) )
+    {
+        return y;
+    }
+
+    if( ( y < z && x > z ) || ( x < z && y > z) )
+    {
+        return z;
+    }
+
+    if( x == y )
+    {
+        return x;
+    }
+    if( x == z )
+    {
+        return x;
+    }
+    if( y == z )
+    {
+        return z;
+    }
+    if( x == y && y == z && x == z)
+    {
+        return x;
+    }
+
+    return 0;
+}
+
+void WMSurfaceIllustrator::connectors()
+{
+    // this input contains the triangle data
+    m_meshInput = WModuleInputData< WTriangleMesh >::createAndAdd( shared_from_this(), "mesh", "The mesh to display" );
+
+    // this input provides an additional map from vertex ID to color. This is especially useful for using the trimesh renderer in conjunction
+    // with  clustering mechanisms and so on
+    m_colorMapInput = WModuleInputData< WColoredVertices >::createAndAdd( shared_from_this(), "colorMap", "The special colors" );
+
+    // call WModule's initialization
+    WModule::connectors();
+}
+
+void WMSurfaceIllustrator::properties()
+{
+    m_nbTriangles = m_infoProperties->addProperty( "Triangles", "The number of triangles in the mesh.", 0 );
+    m_nbTriangles->setMax( std::numeric_limits< int >::max() );
+
+    m_nbVertices = m_infoProperties->addProperty( "Vertices", "The number of vertices in the mesh.", 0 );
+    m_nbVertices->setMax( std::numeric_limits< int >::max() );
+
+    // some properties need to trigger an update
+    m_propCondition = boost::shared_ptr< WCondition >( new WCondition() );
+
+    // setup all the properties. See header file for their meaning and purpose.
+    m_showOutline = m_properties->addProperty( "Outline", "Show all edges of the trinagulation as lines.", false, m_propCondition );
+
+    m_coloringGroup = m_properties->addPropertyGroup( "Coloring", "Coloring options and colormap options." );
+
+    m_opacity = m_coloringGroup->addProperty( "Opacity %", "Opaqueness of surface.", 100.0 );
+    m_opacity->setMin( 0.0 );
+    m_opacity->setMax( 100.0 );
+
+    // Allow the user to select different colormodes
+    boost::shared_ptr< WItemSelection > colorModes( boost::shared_ptr< WItemSelection >( new WItemSelection() ) );
+    colorModes->addItem( "Single Color", "The whole surface is colored using the default color." );
+    colorModes->addItem( "From Mesh", "The surface is colored according to the mesh." );
+    colorModes->addItem( "From colormap connector", "The surface is colored using the colormap on colorMap connector." );
+    m_colorMode = m_coloringGroup->addProperty( "Color mode", "Choose one of the available colorings.", colorModes->getSelectorFirst(),
+                                             m_propCondition );
+    WPropertyHelper::PC_SELECTONLYONE::addTo( m_colorMode );
+
+    // this is the color used if single color is selected
+    m_color = m_coloringGroup->addProperty( "Default color", "The color of of the surface.",
+                                         WColor( .9f, .9f, 0.9f, 1.0f ), m_propCondition );
+
+    m_colormap = m_coloringGroup->addProperty( "Enable colormapping", "Turn colormapping on", false );
+    m_parameterCenter = m_coloringGroup->addProperty( "Parameter center", "Parameter center selection", 0.5 );
+    m_parameterCenter->setMin( -1.0 );
+    m_parameterCenter->setMax( 1.0 );
+    m_parameterWidth = m_coloringGroup->addProperty( "Parameter width", "Parameter width selection", 0.1 );
+    m_parameterWidth->setMin( 0.0 );
+    m_parameterWidth->setMax( 2.0 );
+
+    // call WModule's initialization
+    WModule::properties();
+}
+
+void WMSurfaceIllustrator::moduleMain()
+{
+    // let the main loop awake if the data changes.
+    m_moduleState.setResetable( true, true );
+    m_moduleState.add( m_meshInput->getDataChangedCondition() );
+    m_moduleState.add( m_colorMapInput->getDataChangedCondition() );
+    m_moduleState.add( m_propCondition );
+
+    // signal ready state. The module is now ready to be used.
+    ready();
+
+    ////////////////////////////////////////////////////////////////////////////////////////////////////
+    // setup the main graphics-node:
+    ////////////////////////////////////////////////////////////////////////////////////////////////////
+
+    // create a OSG node, which will contain the triangle data and allows easy transformations:
+    m_moduleNode = new WGEManagedGroupNode( m_active );
+
+    osg::ref_ptr<osg::LightModel> lightModel( new osg::LightModel() );
+    osg::ref_ptr<osg::StateSet> moduleNodeState = m_moduleNode->getOrCreateStateSet();
+    lightModel->setTwoSided( true );
+    moduleNodeState->setAttributeAndModes( lightModel.get(), osg::StateAttribute::ON );
+
+    WKernel::getRunningKernel()->getGraphicsEngine()->getScene()->insert( m_moduleNode );
+
+    // load the GLSL shader:
+    m_shader = new WGEShader( "WMSurfaceIllustrator", m_localPath );
+    m_colorMapTransformation = new osg::Uniform( "u_colorMapTransformation", osg::Matrixd::identity() );
+    m_shader->addPreprocessor( WGEShaderPreprocessor::SPtr(
+        new WGEShaderPropertyDefineOptions< WPropBool >( m_colormap, "COLORMAPPING_DISABLED", "COLORMAPPING_ENABLED" ) )
+    );
+
+
+    // set the opacity and material color property as GLSL uniforms:
+    moduleNodeState->addUniform( new WGEPropertyUniform< WPropDouble >( "u_opacity", m_opacity ) );
+
+    // loop until the module container requests the module to quit
+    while( !m_shutdownFlag() )
+    {
+        // Now, the moduleState variable comes into play. The module can wait for the condition, which gets fired whenever the input receives data
+        // or an property changes. The main loop now waits until something happens.
+        debugLog() << "Waiting ...";
+        m_moduleState.wait();
+
+        // woke up since the module is requested to finish
+        if( m_shutdownFlag() )
+        {
+            break;
+        }
+
+        // Get data and check for invalid data.
+        boost::shared_ptr< WTriangleMesh > mesh = m_meshInput->getData();
+        if( !mesh )
+        {
+            debugLog() << "Invalid Data. Disabling.";
+            continue;
+        }
+
+        renderMesh( mesh );
+    }
+
+    // it is important to always remove the modules again
+    WKernel::getRunningKernel()->getGraphicsEngine()->getScene()->remove( m_moduleNode );
+}
+
+
+
+void WMSurfaceIllustrator::renderMesh( boost::shared_ptr< WTriangleMesh > mesh )
+{
+    boost::shared_ptr< WColoredVertices > colorMap = m_colorMapInput->getData();
+
+    m_nbTriangles->set( mesh->triangleSize() );
+    m_nbVertices->set( mesh->vertSize() );
+
+    // prepare the geometry node
+    debugLog() << "Start rendering Mesh";
+    osg::ref_ptr< osg::Geometry > geometry;
+    osg::ref_ptr< osg::Geode > geode( new osg::Geode );
+    geode->getOrCreateStateSet()->addUniform( m_colorMapTransformation );
+    geode->getOrCreateStateSet()->addUniform( new WGEPropertyUniform< WPropDouble >( "u_parameterCenter", m_parameterCenter ) );
+    geode->getOrCreateStateSet()->addUniform( new WGEPropertyUniform< WPropDouble >( "u_parameterWidth", m_parameterWidth ) );
+
+    // apply shader only to mesh
+    m_shader->apply( geode );
+
+    // get the middle point of the mesh
+    std::vector< size_t >triangles = mesh->getTriangles();
+    std::vector< size_t >::const_iterator trianglesIterator;
+    double minX = wlimits::MAX_DOUBLE;
+    double minY = wlimits::MAX_DOUBLE;
+    double minZ = wlimits::MAX_DOUBLE;
+
+
+    double maxX = wlimits::MIN_DOUBLE;
+    double maxY = wlimits::MIN_DOUBLE;
+    double maxZ = wlimits::MIN_DOUBLE;
+
+    for( trianglesIterator = triangles.begin();
+         trianglesIterator != triangles.end();
+         trianglesIterator++ )
+    {
+        osg::Vec3d vectorX = mesh->getVertex( *trianglesIterator );
+        updateMinMax( minX, maxX, minY, maxY, minZ, maxZ, vectorX );
+    }
+
+    // start rendering
+    boost::shared_ptr< WProgress > progress = boost::shared_ptr< WProgress >( new WProgress( "Rendering", 3 ) );
+    m_progress->addSubProgress( progress );
+
+    ++*progress;
+
+    // now create the mesh but handle the color mode properly
+    if( m_showOutline->get( true ) )
+    {
+        geometry = wge::convertToOsgGeometryLines( mesh, m_color->get(), false );
+    }
+    else
+    {
+        WItemSelector colorModeSelector = m_colorMode->get( true );
+        if( colorModeSelector.getItemIndexOfSelected( 0 ) == 0 )
+        {
+            // use single color
+            geometry = wge::convertToOsgGeometry( mesh, m_color->get(), true, true, false );
+        }
+        else if( colorModeSelector.getItemIndexOfSelected( 0 ) == 1 )
+        {
+            // take color from mesh
+            geometry = wge::convertToOsgGeometry( mesh,  m_color->get(), true, true, true );
+        }
+        else
+        {
+            // take color from map
+            if( colorMap )
+            {
+                geometry = wge::convertToOsgGeometry( mesh, *colorMap, m_color->get(), true, true );
+            }
+            else
+            {
+                warnLog() << "External colormap not connected. Using default color.";
+                geometry = wge::convertToOsgGeometry( mesh, m_color->get(), true, true, false );
+            }
+        }
+    }
+
+    WGEColormapping::apply( geode, m_shader );
+
+    // done. Set the new drawable
+    geode->addDrawable( geometry );
+    m_moduleNode->clear();
+    m_moduleNode->insert( geode );
+    debugLog() << "Rendering Mesh done";
+    progress->finish();
+}

src/modules/surfaceIllustrator/WMSurfaceIllustrator.h

+//---------------------------------------------------------------------------
+//
+// 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/>.
+//
+//---------------------------------------------------------------------------
+
+#ifndef WMSURFACEILLUSTRATOR_H
+#define WMSURFACEILLUSTRATOR_H
+
+#include <string>
+
+#include <osg/Uniform>
+
+#include "core/common/datastructures/WColoredVertices.h"
+#include "core/common/math/linearAlgebra/WVectorFixed.h"
+#include "core/kernel/WModule.h"
+#include "core/kernel/WModuleInputData.h"
+#include "core/kernel/WModuleOutputData.h"
+
+
+class WTriangleMesh;
+class WGEShader;
+class WGEManagedGroupNode;
+
+/**
+ * This module renders the triangle mesh given at its input connector
+ * as a surface.
+ *
+ * \ingroup modules
+ */
+class WMSurfaceIllustrator: public WModule
+{
+public:
+    /**
+     * Constructor. Creates the module skeleton.
+     */
+    WMSurfaceIllustrator();
+
+    /**
+     * Destructor.
+     */
+    virtual ~WMSurfaceIllustrator();
+
+    /**
+     * 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.
+     * \return The icon.
+     */
+    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();
+
+private:
+    /**
+     * Calculates the bounding box of a vector and increases the specified one if needed.
+     *
+     * \param minX old maximum X and gets overwritten by new one
+     * \param maxX old maximum Y and gets overwritten by new one
+     * \param minY old minimum Z and gets overwritten by new one
+     * \param maxY old maximum X and gets overwritten by new one
+     * \param minZ old maximum Y and gets overwritten by new one
+     * \param maxZ old maximum Z and gets overwritten by new one
+     * \param vector the new vector to include in bbox calculation.
+     */
+    void updateMinMax( double& minX, double& maxX, double& minY, double& maxY, double& minZ, double& maxZ, const osg::Vec3d& vector ) const;
+
+    /**
+     * Gets the median of three values.
+     *
+     * \param x first value
+     * \param y second value
+     * \param z third value
+     *
+     * \return the median of x,y,z
+     */
+    double getMedian( double x, double y, double z ) const;
+
+    /**
+     * Center of the mesh. Needed  for applying transformation with the mesh in (0,0,0).
+     */
+    WVector3d m_meshCenter;
+
+    /**
+     * Group for all color and colormapping options.
+     */
+    WPropGroup m_coloringGroup;
+
+    /**
+     * Turn Colormapping on/off
+     */
+    WPropBool m_colormap;
+
+    /**
+     * Set center of selected surface parameter
+     */
+    WPropDouble m_parameterCenter;
+
+    /**
+     * Set width of selected surface parameter interval
+     */
+    WPropDouble m_parameterWidth;
+
+    /**
+     * A condition used to notify about changes in several properties.
+     */
+    boost::shared_ptr< WCondition > m_propCondition;
+
+    /**
+     * An input connector used to get meshes from other modules. The connection management between connectors must not be handled by the module.
+     */
+    boost::shared_ptr< WModuleInputData< WTriangleMesh > > m_meshInput;
+
+    /**
+     * A map for mapping each vertex to a color.
+     */
+    boost::shared_ptr< WModuleInputData< WColoredVertices > > m_colorMapInput;
+
+    /**
+     * A group wich contains all transformation tools.
+     */
+    WPropGroup m_groupTransformation;
+
+    /**
+     * Set the transformation tool to default
+     */
+    WPropTrigger  m_setDefault;
+
+    /**
+     * Render the mesh
+     *
+     * \param mesh The mesh to be rendered.
+     */
+    void renderMesh( boost::shared_ptr< WTriangleMesh > mesh );
+    /**
+     * OSG Uniform for the transformation matrix which transforms the mesh. Needed for the colormapper
+    */
+    osg::ref_ptr< osg::Uniform > m_colorMapTransformation;
+
+    /**
+     * The mesh's opacity value.
+     */
+    WPropDouble m_opacity;
+
+    /**
+     * Toggle showing outline instead fo surface.
+     */
+    WPropBool m_showOutline;
+
+    /**
+     * The color of the mesh to be rendered.
+     */
+    WPropColor m_color;
+
+    /**
+     * Which colormode should be used?
+     */
+    WPropSelection m_colorMode;
+
+    WPropInt m_nbTriangles; //!< Info-property showing the number of triangles in the mesh.
+    WPropInt m_nbVertices; //!< Info-property showing the number of vertices in the mesh.
+
+    /**
+     * The node containing all geometry nodes.
+     */
+    WGEManagedGroupNode::SPtr m_moduleNode;
+
+    /**
+     * The shader for the mesh
+     */
+    osg::ref_ptr< WGEShader > m_shader;
+};
+
+#endif  // WMSURFACEILLUSTRATOR_H

src/modules/surfaceIllustrator/WMSurfaceIllustrator.xpm

+/* XPM */
+static const char * WMSurfaceIllustrator_xpm[] = {
+"32 32 3 1",
+" 	c None",
+".	c #000000",
+"+	c #FFFF00",
+"                                ",
+"  ..                            ",
+"  ......                .....   ",
+"  ..........        ......+..   ",
+"  .....+++.............++++..   ",
+"  ..+...++++++.....++++++++..   ",
+"   .+++..+++++++...++++++++..   ",
+"   .++++..++++++....+++++++..   ",
+"   ..++++...++++..+...+++++..   ",
+"   ..+++++...+++..++...++++..   ",
+"   ..+++++++..++..+++...+++..   ",
+"    .++++++++..++.+++++..++..   ",
+"    .+++++++++....++++++..+..   ",
+"    ..+++++++++...+++++++....   ",
+"    .........................   ",
+"    ........+++...++++.......   ",
+"    ..+++++++++...+++++++....   ",
+"    ..++++++++....++++++..+..   ",
+"    .+++++++...++.+++++..++..   ",
+"   ..++++++...+++.++++..+++..   ",