深圳网站建设制作公司排名,wordpress 分类文章数,apache php 多个网站,全球速卖通买家app一、Data Visualization模块概述
Data Visualization的三维显示功能主要有三种三维图形来实现#xff0c;三各类的父类都是QAbstract3DGraph#xff0c;从QWindow继承而来。这三类分别是#xff1a;三维柱状图Q3DBar三维空间散点Q3DScatter三维曲面Q3DSurface
1、相关类的…一、Data Visualization模块概述
Data Visualization的三维显示功能主要有三种三维图形来实现三各类的父类都是QAbstract3DGraph从QWindow继承而来。这三类分别是三维柱状图Q3DBar三维空间散点Q3DScatter三维曲面Q3DSurface
1、相关类的继承关系
1图形类
QWindowQAbstract3DGraphQ3DBarQ3DScatterQ3DSurface2数据序列类
QAbstract3DSeriesQBar3DSeriesQScatter3DSeriesQSurface3DSeries3轴类
QAbstract3DAxisQCategory3DAxisQValue3DAxis4数据代理类
数据代理类与序列对应用于存储序列的数据的类。QAbstractDataProxyQBarDataProxyQItemModelBarDataProxyQScatterDataProxyQItemModelScatterDataProxyQSurfaceDataProxyQHeightMapSurfaceDataProxyQItemModelSurfaceDataProxy2、使用方法
1工程添加
QT datavisualization2代码中添加头文件与命名空间
#include QtDataVisualization
using namespace QtDataVisualization;二、三维柱状图
1、实现程序 1创建项目基于QMainWindow
2添加组件 3初始化
MainWindow::MainWindow(QWidget *parent) :QMainWindow(parent),ui(new Ui::MainWindow)
{ui-setupUi(this);QSplitter *splitter new QSplitter(Qt::Horizontal);splitter-addWidget(ui-groupBox);initGraph3D();splitter-addWidget(createWindowContainer(graph3D));setCentralWidget(splitter);
}MainWindow::~MainWindow()
{delete ui;
}void MainWindow::initGraph3D()
{graph3D new Q3DBars;// 创建坐标系统QStringList rowLabs, colLabs;rowLabs row1 row2 row3;colLabs col1 col2 col3 col4 col5;QValue3DAxis *axisV new QValue3DAxis;axisV-setTitle(Value);axisV-setTitleVisible(true);QCategory3DAxis * axisCol new QCategory3DAxis;axisCol-setTitle(Column);axisCol-setTitleVisible(true);axisCol-setLabels(colLabs);QCategory3DAxis * axisRow new QCategory3DAxis;axisRow-setTitle(Row);axisRow-setTitleVisible(true);axisRow-setLabels(rowLabs);graph3D-setValueAxis(axisV);graph3D-setColumnAxis(axisCol);graph3D-setRowAxis(axisRow);// 创建数据序列QBar3DSeries *series new QBar3DSeries;series-setMesh(QAbstract3DSeries::MeshCylinder); // 形状series-setItemLabelFormat((rowLabel,colLabel):%.1f);// 添加数据QBarDataArray *dataArray new QBarDataArray;dataArray-reserve(rowLabs.count()); // 三行数据qsrand(QTime::currentTime().second());for (int i 0; i rowLabs.count(); i){QBarDataRow *dataRow new QBarDataRow;for (int j 0; j 5; j){(*dataRow) (qrand() % 10);}dataArray-append(dataRow);}series-dataProxy()-resetArray(dataArray);graph3D-addSeries(series);
}4实现功能
void MainWindow::on_cboxCarmera_currentIndexChanged(int index)
{graph3D-scene()-activeCamera()-setCameraPreset(Q3DCamera::CameraPreset(index));
}void MainWindow::on_hSliderLevel_valueChanged(int value)
{Q_UNUSED(value);int xRot ui-hSliderLevel-value();int yRot ui-hSliderVertical-value();int zoom ui-hSliderScale-value();graph3D-scene()-activeCamera()-setCameraPosition(xRot, yRot, zoom);
}void MainWindow::on_hSliderVertical_valueChanged(int value)
{Q_UNUSED(value);int xRot ui-hSliderLevel-value();int yRot ui-hSliderVertical-value();int zoom ui-hSliderScale-value();graph3D-scene()-activeCamera()-setCameraPosition(xRot, yRot, zoom);
}void MainWindow::on_hSliderScale_valueChanged(int value)
{Q_UNUSED(value);int xRot ui-hSliderLevel-value();int yRot ui-hSliderVertical-value();int zoom ui-hSliderScale-value();graph3D-scene()-activeCamera()-setCameraPosition(xRot, yRot, zoom);
}void MainWindow::on_cboxTheme_currentIndexChanged(int index)
{graph3D-activeTheme()-setType(Q3DTheme::Theme(index));
}void MainWindow::on_cboxStyle_currentIndexChanged(int index)
{QBar3DSeries *series graph3D-seriesList().at(0);series-setMesh(QAbstract3DSeries::Mesh(index));
}void MainWindow::on_cboxMode_currentIndexChanged(int index)
{graph3D-setSelectionMode(QAbstract3DGraph::SelectionFlags(index));
}void MainWindow::on_spinBoxFontSize_valueChanged(int arg1)
{QFont font graph3D-activeTheme()-font();font.setPointSize(arg1);graph3D-activeTheme()-setFont(font);
}#include QColorDialog
void MainWindow::on_btnItemColor_clicked()
{QBar3DSeries *series graph3D-seriesList().at(0);QColor color series-baseColor();color QColorDialog::getColor(color);if(color.isValid()){series-setBaseColor(color);}
}void MainWindow::on_checkBoxBack_clicked(bool checked)
{graph3D-activeTheme()-setBackgroundEnabled(checked);
}void MainWindow::on_checkBoxBackNetwork_clicked(bool checked)
{graph3D-activeTheme()-setGridEnabled(checked);
}void MainWindow::on_checkBoxSmooth_clicked(bool checked)
{QBar3DSeries *series graph3D-seriesList().at(0);series-setMeshSmooth(checked);
}void MainWindow::on_checkBoxReflection_clicked(bool checked)
{graph3D-setReflection(checked);
}void MainWindow::on_checkBoxValueAxis_clicked(bool checked)
{graph3D-valueAxis()-setReversed(checked);
}void MainWindow::on_checkBoxItemLabel_clicked(bool checked)
{QBar3DSeries *series graph3D-seriesList().at(0);series-setItemLabelVisible(checked);
}void MainWindow::on_checkBoxAxisBack_clicked(bool checked)
{graph3D-valueAxis()-setTitleVisible(checked);graph3D-rowAxis()-setTitleVisible(checked);graph3D-columnAxis()-setTitleVisible(checked);
}void MainWindow::on_checkBoxAxisLabelBack_clicked(bool checked)
{graph3D-activeTheme()-setLabelBackgroundEnabled(checked);
}
三、三维散点图
1、实现程序 1创建项目基于QMainWindow
2实现功能
#include mainwindow.h
#include ui_mainwindow.h#include QSplitterMainWindow::MainWindow(QWidget *parent) :QMainWindow(parent),ui(new Ui::MainWindow)
{ui-setupUi(this);QSplitter *splitter new QSplitter(Qt::Horizontal);splitter-addWidget(ui-groupBox);initGraph3D();splitter-addWidget(createWindowContainer(graph3D));setCentralWidget(splitter);
}MainWindow::~MainWindow()
{delete ui;
}void MainWindow::initGraph3D()
{graph3D new Q3DScatter;// 创建坐标系统graph3D-axisX()-setTitle(X轴);graph3D-axisX()-setTitleVisible(true);graph3D-axisY()-setTitle(Y轴);graph3D-axisY()-setTitleVisible(true);graph3D-axisZ()-setTitle(Z轴);graph3D-axisZ()-setTitleVisible(true);// 创建数据序列QScatterDataProxy *porxy new QScatterDataProxy;QScatter3DSeries *series new QScatter3DSeries(porxy);// series-setMesh(QAbstract3DSeries::MeshCylinder); // 形状series-setItemLabelFormat((rowLabel,colLabel):%.1f);series-setItemSize(0.2);graph3D-addSeries(series);// 添加数据int N 41;QScatterDataArray *dataArray new QScatterDataArray;dataArray-resize(N * N);QScatterDataItem *item dataArray-first();// 摩西跟草帽算法float x, y, z;x -10;for (int i 0; i N; i){y -10;for (int j 1; j N; j){z qSqrt(x * x y * y);if(z ! 0){z 10 * qSin(z) / z;}else{z 10;}// 图形库的坐标系item-setPosition(QVector3D(x, z, y));item;y 0.5;}x 0.5;}series-dataProxy()-resetArray(dataArray);
}void MainWindow::on_cboxCarmera_currentIndexChanged(int index)
{graph3D-scene()-activeCamera()-setCameraPreset(Q3DCamera::CameraPreset(index));
}void MainWindow::on_hSliderLevel_valueChanged(int value)
{Q_UNUSED(value);int xRot ui-hSliderLevel-value();int yRot ui-hSliderVertical-value();int zoom ui-hSliderScale-value();graph3D-scene()-activeCamera()-setCameraPosition(xRot, yRot, zoom);
}void MainWindow::on_hSliderVertical_valueChanged(int value)
{Q_UNUSED(value);int xRot ui-hSliderLevel-value();int yRot ui-hSliderVertical-value();int zoom ui-hSliderScale-value();graph3D-scene()-activeCamera()-setCameraPosition(xRot, yRot, zoom);
}void MainWindow::on_hSliderScale_valueChanged(int value)
{Q_UNUSED(value);int xRot ui-hSliderLevel-value();int yRot ui-hSliderVertical-value();int zoom ui-hSliderScale-value();graph3D-scene()-activeCamera()-setCameraPosition(xRot, yRot, zoom);
}void MainWindow::on_cboxTheme_currentIndexChanged(int index)
{graph3D-activeTheme()-setType(Q3DTheme::Theme(index));
}void MainWindow::on_cboxStyle_currentIndexChanged(int index)
{QScatter3DSeries *series graph3D-seriesList().at(0);series-setMesh(QAbstract3DSeries::Mesh(index));
}void MainWindow::on_cboxMode_currentIndexChanged(int index)
{graph3D-setSelectionMode(QAbstract3DGraph::SelectionFlags(index));
}void MainWindow::on_spinBoxFontSize_valueChanged(int arg1)
{QFont font graph3D-activeTheme()-font();font.setPointSize(arg1);graph3D-activeTheme()-setFont(font);
}#include QColorDialog
void MainWindow::on_btnItemColor_clicked()
{QScatter3DSeries *series graph3D-seriesList().at(0);QColor color series-baseColor();color QColorDialog::getColor(color);if(color.isValid()){series-setBaseColor(color);}
}void MainWindow::on_checkBoxBack_clicked(bool checked)
{graph3D-activeTheme()-setBackgroundEnabled(checked);
}void MainWindow::on_checkBoxBackNetwork_clicked(bool checked)
{graph3D-activeTheme()-setGridEnabled(checked);
}void MainWindow::on_checkBoxSmooth_clicked(bool checked)
{QScatter3DSeries *series graph3D-seriesList().at(0);series-setMeshSmooth(checked);
}void MainWindow::on_checkBoxReflection_clicked(bool checked)
{graph3D-setReflection(checked);
}void MainWindow::on_checkBoxValueAxis_clicked(bool checked)
{graph3D-axisY()-setReversed(checked);
}void MainWindow::on_checkBoxItemLabel_clicked(bool checked)
{QScatter3DSeries *series graph3D-seriesList().at(0);series-setItemLabelVisible(checked);
}void MainWindow::on_checkBoxAxisBack_clicked(bool checked)
{graph3D-axisY()-setTitleVisible(checked);graph3D-axisX()-setTitleVisible(checked);graph3D-axisZ()-setTitleVisible(checked);
}void MainWindow::on_checkBoxAxisLabelBack_clicked(bool checked)
{graph3D-activeTheme()-setLabelBackgroundEnabled(checked);
}四、三维曲面图
1、实现程序 1创建项目基于QMainWindow
2添加组件 3初始化
MainWindow::MainWindow(QWidget *parent) :QMainWindow(parent),ui(new Ui::MainWindow)
{ui-setupUi(this);QSplitter *splitter new QSplitter;splitter-addWidget(ui-groupBox);init3DGraph();splitter-addWidget(createWindowContainer(graph3D));setCentralWidget(splitter);// 设置按钮的渐变色QLinearGradient lgColor1(0, 0, 100, 0);lgColor1.setColorAt(1.0, Qt::black);lgColor1.setColorAt(0.67, Qt::blue);lgColor1.setColorAt(0.33, Qt::red);lgColor1.setColorAt(0, Qt::yellow);QPixmap mp(160, 20);QPainter painter(mp);painter.setBrush(lgColor1);painter.drawRect(0, 0, 160, 20);ui-btnColors1-setIcon(QIcon(mp));ui-btnColors1-setIconSize(QSize(160, 20));lgColor1.setColorAt(1.0, Qt::darkBlue);lgColor1.setColorAt(0.5, Qt::yellow);lgColor1.setColorAt(0.2, Qt::red);lgColor1.setColorAt(0, Qt::darkRed);painter.setBrush(lgColor1);painter.drawRect(0, 0, 160, 20);ui-btnColors2-setIcon(QIcon(mp));ui-btnColors2-setIconSize(QSize(160, 20));
}MainWindow::~MainWindow()
{delete ui;
}void MainWindow::init3DGraph()
{graph3D new Q3DSurface;graph3D-axisX()-setTitle(X轴);graph3D-axisX()-setTitleVisible(true);graph3D-axisX()-setRange(-11, 11);graph3D-axisY()-setTitle(Y轴);graph3D-axisY()-setTitleVisible(true);graph3D-axisZ()-setTitle(Z轴);graph3D-axisZ()-setTitleVisible(true);graph3D-axisZ()-setRange(-11, 11);QSurfaceDataProxy *proxy new QSurfaceDataProxy;series new QSurface3DSeries(proxy);series-setDrawMode(QSurface3DSeries::DrawSurface);series-setMeshSmooth(true); // 光滑曲面graph3D-addSeries(series);QSurfaceDataArray *dataArray new QSurfaceDataArray;// 摩西跟草帽算法int N 41;dataArray-reserve(N);float x, y, z;x -10;for (int i 0; i N; i){QSurfaceDataRow *newRow new QSurfaceDataRow(N);y -10;int index 0;for (int j 1; j N; j){z qSqrt(x * x y * y);if(z ! 0){z 10 * qSin(z) / z;}else{z 10;}// 图形库的坐标系(*newRow)[index].setPosition(QVector3D(x, z, y));y 0.5;}x 0.5;*dataArray newRow;}series-dataProxy()-resetArray(dataArray);}4设置颜色
#include QColorDialog
void MainWindow::on_btnOneColor_clicked()
{QColor color series-baseColor();color QColorDialog::getColor(color);if(color.isValid()){series-setBaseColor(color);series-setColorStyle(Q3DTheme::ColorStyleUniform);}
}void MainWindow::on_btnColors1_clicked()
{QLinearGradient lgColor1(0, 0, 100, 0);lgColor1.setColorAt(1.0, Qt::black);lgColor1.setColorAt(0.67, Qt::blue);lgColor1.setColorAt(0.33, Qt::red);lgColor1.setColorAt(0, Qt::yellow);series-setBaseGradient(lgColor1);series-setColorStyle(Q3DTheme::ColorStyleRangeGradient); //设置渐变色
}void MainWindow::on_btnColors2_clicked()
{QLinearGradient lgColor1(0, 0, 100, 0);lgColor1.setColorAt(1.0, Qt::darkBlue);lgColor1.setColorAt(0.5, Qt::yellow);lgColor1.setColorAt(0.2, Qt::red);lgColor1.setColorAt(0, Qt::darkRed);series-setBaseGradient(lgColor1);series-setColorStyle(Q3DTheme::ColorStyleRangeGradient);
}五、三维地形图
1、实现程序 1拷贝上一个项目
2添加图片资源文件
3实现功能
#include mainwindow.h
#include ui_mainwindow.h#include QSplitterMainWindow::MainWindow(QWidget *parent) :QMainWindow(parent),ui(new Ui::MainWindow)
{ui-setupUi(this);QSplitter *splitter new QSplitter;splitter-addWidget(ui-groupBox);init3DGraph();splitter-addWidget(createWindowContainer(graph3D));setCentralWidget(splitter);// 设置按钮的渐变色QLinearGradient lgColor1(0, 0, 100, 0);lgColor1.setColorAt(1.0, Qt::black);lgColor1.setColorAt(0.67, Qt::blue);lgColor1.setColorAt(0.33, Qt::red);lgColor1.setColorAt(0, Qt::yellow);QPixmap mp(160, 20);QPainter painter(mp);painter.setBrush(lgColor1);painter.drawRect(0, 0, 160, 20);ui-btnColors1-setIcon(QIcon(mp));ui-btnColors1-setIconSize(QSize(160, 20));lgColor1.setColorAt(1.0, Qt::darkBlue);lgColor1.setColorAt(0.5, Qt::yellow);lgColor1.setColorAt(0.2, Qt::red);lgColor1.setColorAt(0, Qt::darkRed);painter.setBrush(lgColor1);painter.drawRect(0, 0, 160, 20);ui-btnColors2-setIcon(QIcon(mp));ui-btnColors2-setIconSize(QSize(160, 20));
}MainWindow::~MainWindow()
{delete ui;
}void MainWindow::init3DGraph()
{graph3D new Q3DSurface;graph3D-axisX()-setTitle(东--西);graph3D-axisX()-setTitleVisible(true);graph3D-axisX()-setLabelFormat(%.2f米);graph3D-axisZ()-setTitle(南--北);graph3D-axisZ()-setTitleVisible(true);graph3D-axisY()-setTitle(海拔);graph3D-axisY()-setTitleVisible(true);QImage mapImage(:/images/images/map.png);QHeightMapSurfaceDataProxy *proxy new QHeightMapSurfaceDataProxy(mapImage);proxy-setValueRanges(-5000, 5000, -5000, 5000);series new QSurface3DSeries(proxy);series-setDrawMode(QSurface3DSeries::DrawSurface);graph3D-addSeries(series);
}void MainWindow::on_cboxSurfaceStyle_currentIndexChanged(int index)
{series-setDrawMode(QSurface3DSeries::DrawFlags(index 1));
}#include QColorDialog
void MainWindow::on_btnOneColor_clicked()
{QColor color series-baseColor();color QColorDialog::getColor(color);if(color.isValid()){series-setBaseColor(color);series-setColorStyle(Q3DTheme::ColorStyleUniform);}
}void MainWindow::on_btnColors1_clicked()
{QLinearGradient lgColor1(0, 0, 100, 0);lgColor1.setColorAt(1.0, Qt::black);lgColor1.setColorAt(0.67, Qt::blue);lgColor1.setColorAt(0.33, Qt::red);lgColor1.setColorAt(0, Qt::yellow);series-setBaseGradient(lgColor1);series-setColorStyle(Q3DTheme::ColorStyleRangeGradient); //设置渐变色
}void MainWindow::on_btnColors2_clicked()
{QLinearGradient lgColor1(0, 0, 100, 0);lgColor1.setColorAt(1.0, Qt::darkBlue);lgColor1.setColorAt(0.5, Qt::yellow);lgColor1.setColorAt(0.2, Qt::red);lgColor1.setColorAt(0, Qt::darkRed);series-setBaseGradient(lgColor1);series-setColorStyle(Q3DTheme::ColorStyleRangeGradient);
}void MainWindow::on_cboxMode_currentIndexChanged(int index)
{switch (index){case 0:graph3D-setSelectionMode(QAbstract3DGraph::SelectionNone);break;case 1:graph3D-setSelectionMode(QAbstract3DGraph::SelectionItem);break;case 2:graph3D-setSelectionMode(QAbstract3DGraph::SelectionRow |QAbstract3DGraph::SelectionSlice);break;case 3:graph3D-setSelectionMode(QAbstract3DGraph::SelectionColumn |QAbstract3DGraph::SelectionSlice);break;default:break;}
}
