LBM fluid D2Q9 D3Q19

/***********************************************************************************/
/* LBMSim is a Lattice Boltzmann solver including a demo application.              */
/* Copyright （C） 2006 Frank Deserno                                                */
/*                                                                                 */
/* This program 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 2                  */
/* of the License or （at your option） any later version.                          */
/*                                                                                 */
/* This program 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 this program; if not write to the Free Software                     */
/* Foundation Inc. 51 Franklin Street Fifth Floor Boston MA  02110-1301 USA. */
/*                                                                                 */
/* Author‘s e-Mail: frank.deserno@informatik.uni-erlangen.de                       */
/***********************************************************************************/


#include “controlwidget.h“
#include “renderwidget.h“
#include “paintarea.h“



ControlWidget::ControlWidget（ RenderWidget& renderWidget ） 
{
  fileLogger << “creating control widget\n“;

  Q_ASSERT（ &renderWidget != 0 ）;
  _renderWidget = &renderWidget;

  _fineLayout = new QGridLayout（）;

  _startPushButton = new QPushButton（ QIcon（“:/startlba-img.png“）  Qobject::trUtf8（“Start“） ）;
  _startPushButton->setStatusTip（ Qobject::trUtf8（“Start simulation“） ）;
  _startPushButton->setWhatsThis（ Qobject::trUtf8（“Pressing this button starts the simulation.“） ）;

  _stopPushButton  = new QPushButton（ QIcon（“:/stoplba-img.png“）   Qobject::trUtf8（“Stop“）  ）;
  _stopPushButton->setStatusTip（ Qobject::trUtf8（“Stop simulation“） ）;
  _stopPushButton->setWhatsThis（ Qobject::trUtf8（“Pressing this button stops the simulation.“） ）;

  _resetPushButton = new QPushButton（ QIcon（“:/resetlba-img.png“）  Qobject::trUtf8（“Reset“） ）;
  _resetPushButton->setStatusTip（ Qobject::trUtf8（“Reset simulation“） ）;
  _resetPushButton->setWhatsThis（ Qobject::trUtf8（“Pressing this button resets the simulation.“） ）;

  _fineLayout->addWidget（ _startPushButton  0  0 ）;
  _fineLayout->addWidget（ _stopPushButton   0  1 ）;
  _fineLayout->addWidget（ _resetPushButton  0  2 ）;

  _widget = new QW