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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.io
**
** This file is part of the Qt Data Visualization module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
** agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
#include "datagenerator.h"
#include <QDebug>
using namespace QtDataVisualization;
Q_DECLARE_METATYPE(QScatter3DSeries *)
DataGenerator::DataGenerator(QObject *parent) :
QObject(parent)
{
qRegisterMetaType<QScatter3DSeries *>();
}
DataGenerator::~DataGenerator()
{
qDebug() << __FUNCTION__;
}
void DataGenerator::generateData(QScatter3DSeries *series, uint count)
{
QScatterDataArray *dataArray = new QScatterDataArray;
dataArray->resize(count);
QScatterDataItem *ptrToDataArray = &dataArray->first();
float rand_max = float(RAND_MAX);
for (uint i = 0; i < count; i++) {
ptrToDataArray->setPosition(QVector3D(float(qrand()) / rand_max,
float(qrand()) / rand_max,
float(qrand()) / rand_max));
ptrToDataArray++;
}
series->dataProxy()->resetArray(dataArray);
}
void DataGenerator::add(QScatter3DSeries *series, uint count)
{
QScatterDataArray appendArray;
appendArray.resize(count);
float rand_max = float(RAND_MAX);
for (uint i = 0; i < count; i++) {
appendArray[i].setPosition(QVector3D(float(qrand()) / rand_max,
float(qrand()) / rand_max,
float(qrand()) / rand_max));
}
series->dataProxy()->addItems(appendArray);
}
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