runTimePostProcessing.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2015 OpenFOAM Foundation
     \\/     M anipulation  | Copyright (C) 2015 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM 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 General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
\*---------------------------------------------------------------------------*/
 
// OpenFOAM includes
#include "runTimePostProcessing.H"
#include "dictionary.H"
#include "pointData.H"
#include "pathline.H"
#include "surface.H"
#include "text.H"
#include "Time.H"
#include "sigFpe.H"
 
// VTK includes
#include "vtkPolyDataMapper.h"
#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkSmartPointer.h"
 
#include "vtkLight.h"
 
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
namespace Foam
{
    defineTypeNameAndDebug(runTimePostProcessing, 0);
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::runTimePostProcessing::runTimePostProcessing
(
    const word& name,
    const objectRegistry& obr,
    const dictionary& dict,
    const bool loadFromFiles
)
:
    functionObjectState(obr, name),
    scene_(obr, name),
    points_(),
    lines_(),
    surfaces_(),
    text_(),
    obr_(obr),
    active_(true)
{
    read(dict);
}
 
 
// * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
 
Foam::runTimePostProcessing::~runTimePostProcessing()
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
void Foam::runTimePostProcessing::read(const dictionary& dict)
{
    Info<< type() << " " << name_ << ": reading post-processing data" << endl;
 
    scene_.read(dict);
 
    const dictionary& outputDict = dict.subDict("output");
    outputDict.lookup("name") >> output_.name_;
    outputDict.lookup("width") >> output_.width_;
    outputDict.lookup("height") >> output_.height_;
 
 
    readObjects(dict.subOrEmptyDict("points"), points_);
    readObjects(dict.subOrEmptyDict("lines"), lines_);
    readObjects(dict.subOrEmptyDict("surfaces"), surfaces_);
 
 
    const dictionary& textDict = dict.subDict("text");
    forAllConstIter(dictionary, textDict, iter)
    {
        if (!iter().isDict())
        {
            FatalIOErrorInFunction(textDict)
                << "text must be specified in dictionary format"
                << exit(FatalIOError);
        }
 
        text_.append(new text(*this, iter().dict(), scene_.colours()));
    }
}
 
 
void Foam::runTimePostProcessing::execute()
{
    // Do nothing
}
 
 
void Foam::runTimePostProcessing::end()
{
    // Do nothing
}
 
 
void Foam::runTimePostProcessing::timeSet()
{
    // Do nothing
}
 
 
void Foam::runTimePostProcessing::write()
{
    if (!Pstream::master())
    {
        return;
    }
 
    Info<< type() << " " << name_ <<  " output:" << nl
        << "    Constructing scene" << endl;
 
    // Unset any floating point trapping (some low-level rendering functionality
    // does not like it)
    sigFpe::unset(false);
 
    // Initialise render window
    vtkSmartPointer<vtkRenderWindow> renderWindow =
        vtkSmartPointer<vtkRenderWindow>::New();
    renderWindow->OffScreenRenderingOn();
    renderWindow->SetSize(output_.width_, output_.height_);
    renderWindow->SetAAFrames(10);
    renderWindow->SetAlphaBitPlanes(true);
    renderWindow->SetMultiSamples(0);
//    renderWindow->PolygonSmoothingOn();
 
    vtkSmartPointer<vtkRenderer> renderer = vtkSmartPointer<vtkRenderer>::New();
    scene_.initialise(renderer, output_.name_);
 
    renderWindow->AddRenderer(renderer);
 
    // Add the points
    forAll(points_, i)
    {
        points_[i].addGeometryToScene(0, renderer);
    }
 
    // Add the lines
    forAll(lines_, i)
    {
        lines_[i].addGeometryToScene(0, renderer);
    }
 
    // Add the surfaces
    forAll(surfaces_, i)
    {
        surfaces_[i].addGeometryToScene(0, renderer);
    }
 
    while (scene_.loop(renderer))
    {
        scalar position = scene_.position();
 
        // Add the text
        forAll(text_, i)
        {
            text_[i].addGeometryToScene(position, renderer);
        }
 
        // Update the points
        forAll(points_, i)
        {
            points_[i].updateActors(position);
        }
 
        // Update the lines
        forAll(lines_, i)
        {
            lines_[i].updateActors(position);
        }
 
        // Update the surfaces
        forAll(surfaces_, i)
        {
            surfaces_[i].updateActors(position);
        }
    }
 
    // Reset any floating point trapping
    sigFpe::set(false);
}
 
 
// ************************************************************************* //