| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Data Visualization module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "datagenerator.h" |
| #include <QDebug> |
| #include <QRandomGenerator> |
| |
| using namespace QtDataVisualization; |
| |
| Q_DECLARE_METATYPE(QScatter3DSeries *) |
| |
| DataGenerator::DataGenerator(QObject *parent) : |
| QObject(parent) |
| { |
| qRegisterMetaType<QScatter3DSeries *>(); |
| |
| m_file = new QFile("results.txt"); |
| if (!m_file->open(QIODevice::WriteOnly | QIODevice::Text)) { |
| delete m_file; |
| m_file = 0; |
| } |
| } |
| |
| DataGenerator::~DataGenerator() |
| { |
| m_file->close(); |
| delete m_file; |
| } |
| |
| void DataGenerator::generateData(QScatter3DSeries *series, uint count) |
| { |
| QScatterDataArray *dataArray = new QScatterDataArray; |
| dataArray->resize(count); |
| QScatterDataItem *ptrToDataArray = &dataArray->first(); |
| |
| for (uint i = 0; i < count; i++) { |
| ptrToDataArray->setPosition(QVector3D(QRandomGenerator::global()->generateDouble(), |
| QRandomGenerator::global()->generateDouble(), |
| QRandomGenerator::global()->generateDouble())); |
| ptrToDataArray++; |
| } |
| |
| series->dataProxy()->resetArray(dataArray); |
| } |
| |
| void DataGenerator::add(QScatter3DSeries *series, uint count) |
| { |
| QScatterDataArray appendArray; |
| appendArray.resize(count); |
| |
| for (uint i = 0; i < count; i++) { |
| appendArray[i].setPosition(QVector3D(QRandomGenerator::global()->generateDouble(), |
| QRandomGenerator::global()->generateDouble(), |
| QRandomGenerator::global()->generateDouble())); |
| } |
| |
| series->dataProxy()->addItems(appendArray); |
| } |
| |
| void DataGenerator::writeLine(int itemCount, float fps) |
| { |
| if (m_file) { |
| QTextStream out(m_file); |
| |
| QString fpsFormatString(QStringLiteral("%1 %2\n")); |
| QString fpsString = fpsFormatString.arg(itemCount).arg(fps); |
| |
| out << fpsString; |
| } |
| } |