cxGraphicalTorus3D.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 "cxGraphicalTorus3D.h"

#include <QColor>
#include "cxVtkHelperClasses.h"
#include "vtkSuperquadricSource.h"

#include <vtkPolyDataMapper.h>
#include <vtkProperty.h>
#include <vtkRenderer.h>
#include <vtkRenderWindow.h>
#include "cxTypeConversions.h"
#include "cxGraphicalPrimitives.h"
#include "vtkMatrix4x4.h"
#include <vtkActor.h>
#include <vtkProperty.h>

namespace cx
{

GraphicalTorus3D::GraphicalTorus3D(vtkRendererPtr renderer)
{
        mPoint = Vector3D(0,0,0);
        mDirection = Vector3D(0,1,0);

        source = vtkSuperquadricSourcePtr::New();
        source->SetToroidal(true);
        source->SetSize(10);
        source->SetThickness(0.5);
        source->SetThetaResolution(source->GetThetaResolution()*2);

        mapper = vtkPolyDataMapperPtr::New();
        mapper->SetInputConnection(source->GetOutputPort());

        actor = vtkActorPtr::New();
        actor->SetMapper(mapper);

        this->setRenderer(renderer);
}

GraphicalTorus3D::~GraphicalTorus3D()
{
        this->setRenderer(NULL);
}

void GraphicalTorus3D::setRenderer(vtkRendererPtr renderer)
{
        if (mRenderer)
                mRenderer->RemoveActor(actor);
        mRenderer = renderer;
        if (mRenderer)
                mRenderer->AddActor(actor);
}

void GraphicalTorus3D::setRadius(double value)
{
        source->SetSize(value);
}

void GraphicalTorus3D::setThickness(double value)
{
        source->SetThickness(value);
}

void GraphicalTorus3D::setColor(QColor color)
{
        setColorAndOpacity(actor->GetProperty(), color);
}

void GraphicalTorus3D::setPosition(Vector3D point)
{
        mPoint = point;
        this->updateOrientation();
}

void GraphicalTorus3D::setDirection(Vector3D direction)
{
        mDirection = direction;

        this->updateOrientation();
}

void GraphicalTorus3D::updateOrientation()
{
//      Transform3D M = createTransformRotationBetweenVectors(Vector3D::UnitY(), mDirection.normal());
        Transform3D M;
        bool directionAlongYAxis = similar(dot(Vector3D::UnitY(), mDirection.normal()), 1.0);

        if (directionAlongYAxis)
        {
                M = Transform3D::Identity();
        }
        else
        {
                Vector3D ivec = cross(Vector3D::UnitY(), mDirection).normal();
                Vector3D jvec = mDirection.normal();
                Vector3D center = Vector3D::Zero();
                M = createTransformIJC(ivec, jvec, center);
        }

        Transform3D T = createTransformTranslate(mPoint);
        M = T*M;

//      std::cout << "M end:\n" << M << std::endl;
        actor->SetUserMatrix(M.getVtkMatrix());
}

vtkActorPtr GraphicalTorus3D::getActor()
{
        return actor;
}

vtkPolyDataPtr GraphicalTorus3D::getPolyData()
{
        return source->GetOutput();
}


} // namespace cx