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Diffstat (limited to 'examples/datavisualization/customproxy/rainfallgraph.cpp')
| -rw-r--r-- | examples/datavisualization/customproxy/rainfallgraph.cpp | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/examples/datavisualization/customproxy/rainfallgraph.cpp b/examples/datavisualization/customproxy/rainfallgraph.cpp deleted file mode 100644 index 91733c0c..00000000 --- a/examples/datavisualization/customproxy/rainfallgraph.cpp +++ /dev/null @@ -1,167 +0,0 @@ -/**************************************************************************** -** -** 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 "rainfallgraph.h" -#include <QtDataVisualization/qcategory3daxis.h> -#include <QtDataVisualization/qvalue3daxis.h> -#include <QtDataVisualization/q3dscene.h> -#include <QtDataVisualization/q3dcamera.h> -#include <QtDataVisualization/qbar3dseries.h> -#include <QtDataVisualization/q3dtheme.h> -#include <QtGui/QGuiApplication> -#include <QtGui/QFont> -#include <QtCore/QDebug> -#include <QtCore/QTextStream> -#include <QtCore/QFile> - -RainfallGraph::RainfallGraph(Q3DBars *rainfall) - : m_graph(rainfall) -{ - // In data file the months are in numeric format, so create custom list - for (int i = 1; i <= 12; i++) - m_numericMonths << QString::number(i); - - m_columnCount = m_numericMonths.size(); - - m_proxy = new VariantBarDataProxy; - QBar3DSeries *series = new QBar3DSeries(m_proxy); - m_graph->addSeries(series); - - updateYearsList(2000, 2012); - - // Set up bar specifications; make the bars as wide as they are deep, - // and add a small space between the bars - m_graph->setBarThickness(1.0f); - m_graph->setBarSpacing(QSizeF(1.1, 1.1)); - - // Set axis labels and titles - QStringList months; - months << "January" << "February" << "March" << "April" << "May" << "June" << "July" << "August" << "September" << "October" << "November" << "December"; - m_graph->rowAxis()->setTitle("Year"); - m_graph->columnAxis()->setTitle("Month"); - m_graph->valueAxis()->setTitle("rainfall"); - m_graph->valueAxis()->setLabelFormat("%d mm"); - m_graph->valueAxis()->setSegmentCount(5); - m_graph->rowAxis()->setLabels(m_years); - m_graph->columnAxis()->setLabels(months); - - // Set bar type to cylinder - series->setMesh(QAbstract3DSeries::MeshCylinder); - - // Set shadows to medium - m_graph->setShadowQuality(QAbstract3DGraph::ShadowQualityMedium); - - // Set selection mode to bar and column - m_graph->setSelectionMode(QAbstract3DGraph::SelectionItemAndColumn | QAbstract3DGraph::SelectionSlice); - - // Set theme - m_graph->activeTheme()->setType(Q3DTheme::ThemeArmyBlue); - - // Override font in theme - m_graph->activeTheme()->setFont(QFont("Century Gothic", 30)); - - // Override label background for theme - m_graph->activeTheme()->setLabelBackgroundEnabled(false); - - // Set camera position and zoom - m_graph->scene()->activeCamera()->setCameraPreset(Q3DCamera::CameraPresetIsometricRightHigh); - - // Set window title - m_graph->setTitle(QStringLiteral("Monthly rainfall in Northern Finland")); - - // Set reflections on - m_graph->setReflection(true); -} - -RainfallGraph::~RainfallGraph() -{ - delete m_mapping; - delete m_dataSet; - delete m_graph; -} - -void RainfallGraph::start() -{ - addDataSet(); -} - -void RainfallGraph::updateYearsList(int start, int end) -{ - m_years.clear(); - for (int i = start; i <= end; i++) - m_years << QString::number(i); - - m_rowCount = m_years.size(); -} - -//! [0] -void RainfallGraph::addDataSet() -{ - // Create a new variant data set and data item list - m_dataSet = new VariantDataSet; - VariantDataItemList *itemList = new VariantDataItemList; - - // Read data from a data file into the data item list - QTextStream stream; - QFile dataFile(":/data/raindata.txt"); - if (dataFile.open(QIODevice::ReadOnly | QIODevice::Text)) { - stream.setDevice(&dataFile); - while (!stream.atEnd()) { - QString line = stream.readLine(); - if (line.startsWith("#")) // Ignore comments - continue; - QStringList strList = line.split(",", Qt::SkipEmptyParts); - // Each line has three data items: Year, month, and rainfall value - if (strList.size() < 3) { - qWarning() << "Invalid row read from data:" << line; - continue; - } - // Store year and month as strings, and rainfall value as double - // into a variant data item and add the item to the item list. - VariantDataItem *newItem = new VariantDataItem; - for (int i = 0; i < 2; i++) - newItem->append(strList.at(i).trimmed()); - newItem->append(strList.at(2).trimmed().toDouble()); - itemList->append(newItem); - } - } else { - qWarning() << "Unable to open data file:" << dataFile.fileName(); - } - - //! [1] - // Add items to the data set and set it to the proxy - m_dataSet->addItems(itemList); - m_proxy->setDataSet(m_dataSet); - - // Create new mapping for the data and set it to the proxy - m_mapping = new VariantBarDataMapping(0, 1, 2, m_years, m_numericMonths); - m_proxy->setMapping(m_mapping); - //! [1] -} -//! [0] |