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126 lines
3.8 KiB
C++
126 lines
3.8 KiB
C++
/*=========================================================================
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Program: ParaView
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Module: vtkVRSpaceNavigatorGrabWorldStyle.cxx
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Copyright (c) 2005,2006 Sandia Corporation, Kitware Inc.
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All rights reserved.
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ParaView is a free software; you can redistribute it and/or modify it
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under the terms of the ParaView license version 1.2.
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See License_v1.2.txt for the full ParaView license.
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A copy of this license can be obtained by contacting
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Kitware Inc.
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28 Corporate Drive
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Clifton Park, NY 12065
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USA
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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========================================================================*/
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#include "vtkVRSpaceNavigatorGrabWorldStyle.h"
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#include "vtkObjectFactory.h"
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#include "vtkPVXMLElement.h"
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#include "vtkRenderer.h"
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#include "vtkRenderWindow.h"
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#include "vtkSMPropertyHelper.h"
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#include "vtkSMProxy.h"
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#include "vtkSMProxyLocator.h"
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#include "vtkSMRenderViewProxy.h"
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#include "vtkVRQueue.h"
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#include "vtkCamera.h"
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#include "vtkMath.h"
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#include <sstream>
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#include <algorithm>
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// ----------------------------------------------------------------------------
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vtkStandardNewMacro(vtkVRSpaceNavigatorGrabWorldStyle)
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// ----------------------------------------------------------------------------
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vtkVRSpaceNavigatorGrabWorldStyle::vtkVRSpaceNavigatorGrabWorldStyle() :
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Superclass()
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{
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this->AddAnalogRole( "Move" );
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}
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// ----------------------------------------------------------------------------
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vtkVRSpaceNavigatorGrabWorldStyle::~vtkVRSpaceNavigatorGrabWorldStyle()
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{
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}
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// ----------------------------------------------------------------------------
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void vtkVRSpaceNavigatorGrabWorldStyle::HandleAnalog ( const vtkVREventData& data )
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{
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vtkStdString role = this->GetAnalogRole(data.name);
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if (role == "Move")
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{
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// Values for Space Navigator
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if ( data.data.analog.num_channel != 6 )
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{
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return;
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}
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vtkSMRenderViewProxy * viewProxy = vtkSMRenderViewProxy::SafeDownCast( this->ControlledProxy );
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if ( viewProxy )
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{
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vtkCamera* camera;
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double pos[3], fp[3], up[3], dir[3];
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double orient[3];
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const double *channel = data.data.analog.channel;
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camera = viewProxy->GetActiveCamera();
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camera->GetPosition( pos );
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camera->GetFocalPoint( fp );
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camera->GetDirectionOfProjection( dir );
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camera->OrthogonalizeViewUp();
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camera->GetViewUp( up );
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// Apply up-down motion
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for (int i = 0; i < 3; i++)
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{
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double dx = 0.05*channel[2]*up[i];
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pos[i] += dx;
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fp[i] += dx;
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}
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// Apply right-left motion
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double r[3];
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vtkMath::Cross(dir, up, r);
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for (int i = 0; i < 3; i++)
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{
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double dx = -0.05*channel[0]*r[i];
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pos[i] += dx;
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fp[i] += dx;
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}
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camera->SetPosition(pos);
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camera->SetFocalPoint(fp);
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camera->Dolly(pow(1.01, channel[1]));
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camera->Elevation( 1.0*channel[3]);
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camera->Azimuth( 1.0*channel[5]);
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camera->Roll( 1.0*channel[4]);
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}
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}
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}
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void vtkVRSpaceNavigatorGrabWorldStyle::PrintSelf(ostream &os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os, indent);
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}
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