cxGeometricRep.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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modification, are permitted provided that the following conditions are met:

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   this list of conditions and the following disclaimer.

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   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

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   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 
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=========================================================================*/


#include "cxGeometricRep.h"

#include <vtkPolyData.h>
#include <vtkPointData.h>
#include <vtkProperty.h>
#include <vtkActor.h>
#include <vtkRenderer.h>
#include <vtkMatrix4x4.h>
#include <vtkArrowSource.h>
#include <vtkPlane.h>

#include "cxMesh.h"
#include "cxView.h"

#include "cxTypeConversions.h"
#include "cxVtkHelperClasses.h"

namespace cx
{

GraphicalGeometric::GraphicalGeometric()
{
        m_rMrr = Transform3D::Identity();
        mGraphicalPolyDataPtr.reset(new GraphicalPolyData3D());
        mGraphicalGlyph3DDataPtr.reset(new GraphicalGlyph3DData());
}
GraphicalGeometric::~GraphicalGeometric()
{
}

void GraphicalGeometric::setMesh(MeshPtr mesh)
{
        if (mesh == mMesh)
                return;
        if (mMesh)
        {
                disconnect(mMesh.get(), &Mesh::meshChanged, this, &GraphicalGeometric::meshChangedSlot);
                disconnect(mMesh.get(), &Data::transformChanged, this, &GraphicalGeometric::transformChangedSlot);
                disconnect(mMesh.get(), &Data::clipPlanesChanged, this, &GraphicalGeometric::clipPlanesChangedSlot);
        }
        mMesh = mesh;
        if (mMesh)
        {
                connect(mMesh.get(), &Mesh::meshChanged, this, &GraphicalGeometric::meshChangedSlot);
                connect(mMesh.get(), &Data::transformChanged, this, &GraphicalGeometric::transformChangedSlot);
                connect(mMesh.get(), &Data::clipPlanesChanged, this, &GraphicalGeometric::clipPlanesChangedSlot);
                this->meshChangedSlot();
                this->transformChangedSlot();
                this->clipPlanesChangedSlot();
        }
}

//Copied from ImageMapperMonitor (used by VolumetricRep)
void GraphicalGeometric::clipPlanesChangedSlot()
{
        this->clearClipping();

        if (!mMesh)
                return;

        std::vector<vtkPlanePtr> mPlanes;
        mPlanes = mMesh->getAllClipPlanes();
        for (unsigned i=0; i<mPlanes.size(); ++i)
        {
                mGraphicalPolyDataPtr->getMapper()->AddClippingPlane(mPlanes[i]);
        }
}

void GraphicalGeometric::clearClipping()
{
        if (!mMesh)
                return;

        mGraphicalPolyDataPtr->getMapper()->RemoveAllClippingPlanes();
}

MeshPtr GraphicalGeometric::getMesh()
{
        return mMesh;
}

void GraphicalGeometric::setRenderer(vtkRendererPtr renderer)
{
        mGraphicalPolyDataPtr->setRenderer(renderer);
        mGraphicalGlyph3DDataPtr->setRenderer(renderer);
}

void GraphicalGeometric::setTransformOffset(Transform3D rMrr)
{
        m_rMrr = rMrr;
        this->transformChangedSlot();
}

void GraphicalGeometric::meshChangedSlot()
{
        mGraphicalGlyph3DDataPtr->setVisibility(mMesh->showGlyph());
        if(mMesh->showGlyph())
        {
                mGraphicalGlyph3DDataPtr->setData(mMesh->getVtkPolyData());
                mGraphicalGlyph3DDataPtr->setOrientationArray(mMesh->getOrientationArray());
                mGraphicalGlyph3DDataPtr->setColorArray(mMesh->getColorArray());
                mGraphicalGlyph3DDataPtr->setColor(mMesh->getColor().redF(), mMesh->getColor().greenF(), mMesh->getColor().blueF());
                mGraphicalGlyph3DDataPtr->setLUT(mMesh->getGlyphLUT());
                mGraphicalGlyph3DDataPtr->setScaleFactor(mMesh->getVisSize());
        }

        mMesh->updateVtkPolyDataWithTexture();
        mGraphicalPolyDataPtr->setData(mMesh->getVtkPolyData());
        mGraphicalPolyDataPtr->setTexture(mMesh->getVtkTexture());

        mGraphicalPolyDataPtr->setOpacity(1.0);
        mGraphicalPolyDataPtr->setScalarVisibility(mMesh->getUseColorFromPolydataScalars());
        if(!mMesh->getUseColorFromPolydataScalars())
        {
            mGraphicalPolyDataPtr->setColor(mMesh->getColor().redF(), mMesh->getColor().greenF(), mMesh->getColor().blueF());
            mGraphicalPolyDataPtr->setOpacity(mMesh->getColor().alphaF());
        }

        //Set other properties
        vtkPropertyPtr dest = mGraphicalPolyDataPtr->getProperty();
        const MeshPropertyData& src = mMesh->getProperties();

        dest->SetPointSize(src.mVisSize->getValue());
        dest->SetBackfaceCulling(src.mBackfaceCulling->getValue());
        dest->SetFrontfaceCulling(src.mFrontfaceCulling->getValue());
        dest->SetRepresentation(src.mRepresentation->getValue().toInt());
        dest->SetEdgeVisibility(src.mEdgeVisibility->getValue());
        dest->SetEdgeColor(cx::getColorAsVector3D(src.mEdgeColor->getValue()).begin());
        dest->SetAmbient(src.mAmbient->getValue());
        dest->SetDiffuse(src.mDiffuse->getValue());
        dest->SetSpecular(src.mSpecular->getValue());
        dest->SetSpecularPower(src.mSpecularPower->getValue());
}

void GraphicalGeometric::transformChangedSlot()
{
        if (!mMesh)
        {
                return;
        }

        Transform3D rrMd = mMesh->get_rMd();
        Transform3D rMd = m_rMrr * rrMd;

        mGraphicalPolyDataPtr->setUserMatrix(rMd.getVtkMatrix());
        mGraphicalGlyph3DDataPtr->setUserMatrix(rMd.getVtkMatrix());
}


//---------------------------------------------------------
//---------------------------------------------------------
//---------------------------------------------------------


GeometricRep::GeometricRep() :
        RepImpl()
{
        mGraphics.reset(new GraphicalGeometric());
}
GeometricRep::~GeometricRep()
{
}
GeometricRepPtr GeometricRep::New(const QString& uid)
{
        return wrap_new(new GeometricRep(), uid);
}

void GeometricRep::addRepActorsToViewRenderer(ViewPtr view)
{
        mGraphics->setRenderer(view->getRenderer());
}

void GeometricRep::removeRepActorsFromViewRenderer(ViewPtr view)
{
        mGraphics->setRenderer(NULL);
}

void GeometricRep::setMesh(MeshPtr mesh)
{
        mGraphics->setMesh(mesh);
}

MeshPtr GeometricRep::getMesh()
{
        return mGraphics->getMesh();
}
bool GeometricRep::hasMesh(MeshPtr mesh) const
{
        return mGraphics->getMesh() == mesh;
}

//---------------------------------------------------------
}
// namespace cx
//---------------------------------------------------------