基于QtDataVisualization模块下的Q3DSurface进行3d绘制

#include "DialogTest.h" #include "ui_DialogTest.h" DialogTest::DialogTest(QWidget *parent) : QDialog(parent) , ui(new Ui::DialogTest) { ui->setupUi(this); setWindowFlags(windowFlags() | Qt::WindowMinMaxButtonsHint); surface = new Q3DSurface(); QWidget *container = QWidget::createWindowContainer(surface); ui->gridLayout_2->addWidget(container); surface->axisY()->setTitle(""); surface->axisY()->setLabelFormat("深度 %.1fm"); surface->axisY()->setTitleVisible(true); surface->axisX()->setTitle("纬度"); surface->axisX()->setLabelFormat("纬度 %.1f°"); surface->axisX()->setTitleVisible(true); surface->axisZ()->setTitle("经度"); surface->axisZ()->setLabelFormat("经度 %.1f°"); surface->axisZ()->setTitleVisible(true); // surface->scene()->activeCamera()->setYRotation(0); // surface->scene()->activeCamera()->setXRotation(-45); surface->setShadowQuality(QAbstract3DGraph::ShadowQualityNone); QSurfaceDataProxy *DataProxy = new QSurfaceDataProxy(); series = new QSurface3DSeries(DataProxy); series->setColorStyle(Q3DTheme::ColorStyleRangeGradient); surface->addSeries(series); DataArray = new QSurfaceDataArray(); // QLinearGradient gr; // gr.setColorAt(0.0, QColor(247, 41, 0)); // gr.setColorAt(0.25, QColor(212, 168, 0)); // gr.setColorAt(0.50, QColor(12, 235, 13)); // gr.setColorAt(0.75, QColor(0, 134, 212)); // gr.setColorAt(1.0, QColor(174, 15, 245)); // surface->seriesList().at(0)->setBaseGradient(gr); // surface->seriesList().at(0)->setColorStyle(Q3DTheme::ColorStyleRangeGradient); // series->setDrawMode(QSurface3DSeries::DrawFlags(2)); } DialogTest::~DialogTest() { delete ui; } #include <QtMath> void DialogTest::on_pushButton_clicked() { while (DataArray->empty() == false) { QSurfaceDataRow *DataRow = DataArray->first(); DataArray->removeFirst(); delete DataRow; DataRow = nullptr; } int N = 41; DataArray->reserve(N); float x=-10,y,z; int i,j; for(i = 1;i <= N;i++) { QSurfaceDataRow *newRow = new QSurfaceDataRow(N); y = -10; int index = 0; for(j=1;j<=N;j++) { z=qSqrt(x*x+y*y); if(z!=0) z=10*qSin(z)/z; else z=10; (*newRow)[index++].setPosition(QVector3D(x,z,y)); y=y+0.5; } x=x+0.5; DataArray->append(newRow); } series->dataProxy()->resetArray(DataArray); } void DialogTest::on_pushButton_2_clicked() { surface->scene()->activeCamera()->setCameraPreset((Q3DCamera::CameraPreset)ui->spinBox->value()); }