qtgraphs/tests/manual/scattertest/scatterchart.cpp

1247 lines
41 KiB
C++

// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "scatterchart.h"
#include <QtGraphs/qscatterdataproxy.h>
#include <QtGraphs/qscatter3dseries.h>
#include <QtGraphs/qvalue3daxis.h>
#include <QtGraphs/q3dscene.h>
#include <QtGraphs/qgraphstheme.h>
#include <qmath.h>
#include <qrandom.h>
//#define RANDOM_SCATTER
const int numberOfItems = 10000;
ScatterDataModifier::ScatterDataModifier(Q3DScatterWidgetItem *scatter)
: m_chart(scatter),
m_fontSize(30.0f),
m_loopCounter(0),
m_selectedItem(-1),
m_targetSeries(0)
{
m_chart->activeTheme()->setTheme(QGraphsTheme::Theme::QtGreen);
QFont font = m_chart->activeTheme()->labelFont();
font.setPointSize(m_fontSize);
m_chart->activeTheme()->setLabelFont(font);
m_chart->setShadowQuality(QtGraphs3D::ShadowQuality::None);
m_chart->setCameraPreset(QtGraphs3D::CameraPreset::Front);
m_chart->setAxisX(new QValue3DAxis);
m_chart->setAxisY(new QValue3DAxis);
m_chart->setAxisZ(new QValue3DAxis);
m_chart->axisY()->setLabelFormat(QStringLiteral("%.7f"));
m_chart->setZoomAtTargetEnabled(true);
createAndAddSeries();
createAndAddSeries();
m_chart->setSelectionMode(QtGraphs3D::SelectionFlag::Item);
QObject::connect(&m_timer, &QTimer::timeout, this, &ScatterDataModifier::timeout);
QObject::connect(m_chart, &Q3DScatterWidgetItem::shadowQualityChanged, this,
&ScatterDataModifier::shadowQualityUpdatedByVisual);
QObject::connect(m_chart, &Q3DScatterWidgetItem::axisXChanged, this,
&ScatterDataModifier::handleAxisXChanged);
QObject::connect(m_chart, &Q3DScatterWidgetItem::axisYChanged, this,
&ScatterDataModifier::handleAxisYChanged);
QObject::connect(m_chart, &Q3DScatterWidgetItem::axisZChanged, this,
&ScatterDataModifier::handleAxisZChanged);
QObject::connect(m_chart,
&Q3DGraphsWidgetItem::currentFpsChanged,
this,
&ScatterDataModifier::handleFpsChange);
}
ScatterDataModifier::~ScatterDataModifier()
{
delete m_chart;
}
void ScatterDataModifier::start()
{
addData();
}
static const int itemsPerUnit = 100; // "unit" is one unit range along Z-axis
void ScatterDataModifier::massiveDataTest()
{
static int testPhase = 0;
static QTimer *massiveTestTimer = 0;
if (!massiveTestTimer)
massiveTestTimer = new QTimer;
int items = 1000000;
int visibleRange = 200;
int unitCount = items / itemsPerUnit;
int cacheSize = visibleRange * itemsPerUnit * 5;
switch (testPhase) {
case 0: {
float yRangeMin = 0.0f;
float yRangeMax = 1.0f;
float yRangeMargin = 0.05f;
float minY = yRangeMin + yRangeMargin;
float maxY = yRangeMax - yRangeMargin;
float unitBase = minY;
float direction = 1.0f;
if (!m_massiveTestCacheArray.size()) {
m_massiveTestCacheArray.resize(cacheSize);
int totalIndex = 0;
for (int i = 0; i < unitCount && totalIndex < cacheSize; i++) {
unitBase += direction * (QRandomGenerator::global()->bounded(3) / 100.0f);
if (unitBase > maxY) {
unitBase = maxY;
direction = -1.0f;
} else if (unitBase < minY) {
unitBase = minY;
direction = 1.0f;
}
for (int j = 0; j < itemsPerUnit && totalIndex < cacheSize; j++) {
float randFactor = float(QRandomGenerator::global()->bounded(100)) / (100 / yRangeMargin);
m_massiveTestCacheArray[totalIndex].setPosition(
QVector3D(float(QRandomGenerator::global()->bounded(itemsPerUnit)),
unitBase + randFactor, 0.0f));
// Z value is irrelevant, we replace it anyway when we take item to use
totalIndex++;
}
}
}
qDebug() << __FUNCTION__ << testPhase << ": Setting the graph up...";
QValue3DAxis *xAxis = new QValue3DAxis();
QValue3DAxis *yAxis = new QValue3DAxis();
QValue3DAxis *zAxis = new QValue3DAxis();
xAxis->setRange(0.0f, float(itemsPerUnit - 1));
yAxis->setRange(yRangeMin, yRangeMax);
zAxis->setRange(0.0f, float(visibleRange - 1));
xAxis->setSegmentCount(1);
yAxis->setSegmentCount(1);
zAxis->setSegmentCount(1);
m_chart->setAxisX(xAxis);
m_chart->setAxisY(yAxis);
m_chart->setAxisZ(zAxis);
m_chart->setCameraPreset(QtGraphs3D::CameraPreset::Right);
m_chart->setShadowQuality(QtGraphs3D::ShadowQuality::None);
const auto scatteriesList = m_chart->seriesList();
for (const auto &series : scatteriesList)
m_chart->removeSeries(static_cast<QScatter3DSeries *>(series));
qDebug() << __FUNCTION__ << testPhase << ": Creating massive array..." << items;
QScatterDataArray massiveArray;
massiveArray.resize(items);
int cacheIndex = 0;
for (int i = 0; i < items; i++) {
// Use qreals for precicion as the numbers can overflow int
float currentZ = float(qreal(i) * qreal(unitCount) / qreal(items));
massiveArray[i] = m_massiveTestCacheArray.at(cacheIndex++);
massiveArray[i].setZ(currentZ);
if (cacheIndex >= cacheSize)
cacheIndex = 0;
}
qDebug() << __FUNCTION__ << testPhase << ": Massive array creation finished!";
QScatter3DSeries *series = new QScatter3DSeries;
series->dataProxy()->resetArray(massiveArray);
series->setMesh(QAbstract3DSeries::Mesh::Point);
m_chart->addSeries(series);
break;
}
case 1: {
qDebug() << __FUNCTION__ << testPhase << ": Scroll";
QObject::disconnect(massiveTestTimer, 0, this, 0);
QObject::connect(massiveTestTimer, &QTimer::timeout, this,
&ScatterDataModifier::massiveTestScroll);
massiveTestTimer->start(16);
break;
}
case 2: {
qDebug() << __FUNCTION__ << testPhase << ": Append and scroll";
massiveTestTimer->stop();
QObject::disconnect(massiveTestTimer, 0, this, 0);
QObject::connect(massiveTestTimer, &QTimer::timeout, this,
&ScatterDataModifier::massiveTestAppendAndScroll);
m_chart->axisZ()->setRange(unitCount - visibleRange, unitCount);
massiveTestTimer->start(16);
break;
}
default:
QObject::disconnect(massiveTestTimer, 0, this, 0);
massiveTestTimer->stop();
qDebug() << __FUNCTION__ << testPhase << ": Resetting the test";
testPhase = -1;
}
testPhase++;
}
void ScatterDataModifier::massiveTestScroll()
{
const int scrollAmount = 20;
int itemCount = m_chart->seriesList().at(0)->dataProxy()->itemCount();
int min = m_chart->axisZ()->min() + scrollAmount;
int max = m_chart->axisZ()->max() + scrollAmount;
if (max >= itemCount / itemsPerUnit) {
max = max - min - 1;
min = 0;
}
m_chart->axisZ()->setRange(min, max);
}
void ScatterDataModifier::massiveTestAppendAndScroll()
{
const int addedUnits = 50;
const int addedItems = itemsPerUnit * addedUnits;
int cacheSize = m_massiveTestCacheArray.size();
int itemCount = m_chart->seriesList().at(0)->dataProxy()->itemCount();
static int cacheIndex = 0;
// Copy items from cache
QScatterDataArray appendArray;
appendArray.resize(addedItems);
float zOffset = m_chart->seriesList().at(0)->dataProxy()->itemAt(itemCount - 1).z();
for (int i = 0; i < addedItems; i++) {
float currentZ = zOffset + float(qreal(i) * qreal(addedUnits) / qreal(addedItems));
appendArray[i] = m_massiveTestCacheArray.at(cacheIndex++);
appendArray[i].setZ(currentZ);
if (cacheIndex >= cacheSize)
cacheIndex = 0;
}
m_chart->seriesList().at(0)->dataProxy()->addItems(appendArray);
int min = m_chart->axisZ()->min() + addedUnits;
int max = m_chart->axisZ()->max() + addedUnits;
m_chart->axisZ()->setRange(min, max);
}
void ScatterDataModifier::setFpsMeasurement(int enable)
{
m_chart->setMeasureFps(enable != 0);
}
void ScatterDataModifier::testItemChanges()
{
static int counter = 0;
const int rowCount = 12;
const int colCount = 10;
static QScatter3DSeries *series0 = 0;
static QScatter3DSeries *series1 = 0;
static QScatter3DSeries *series2 = 0;
switch (counter) {
case 0: {
qDebug() << __FUNCTION__ << counter << "Setup test";
const auto scatterSeriesList = m_chart->seriesList();
for (const auto &series : scatterSeriesList)
m_chart->removeSeries(series);
const auto &axes = m_chart->axes();
for (const auto &axis : axes)
deleteAxis(axis);
delete series0;
delete series1;
delete series2;
series0 = new QScatter3DSeries;
series1 = new QScatter3DSeries;
series2 = new QScatter3DSeries;
populateFlatSeries(series0, rowCount, colCount, 10.0f);
populateFlatSeries(series1, rowCount, colCount, 30.0f);
populateFlatSeries(series2, rowCount, colCount, 50.0f);
m_chart->axisX()->setRange(3.0f, 6.0f);
m_chart->axisY()->setRange(0.0f, 100.0f);
m_chart->axisZ()->setRange(4.0f, 8.0f);
m_chart->addSeries(series0);
m_chart->addSeries(series1);
m_chart->addSeries(series2);
}
break;
case 1: {
qDebug() << __FUNCTION__ << counter << "Change single item, unselected";
int itemIndex = 3 * colCount + 5;
QScatterDataItem item = series0->dataProxy()->itemAt(itemIndex);
item.setY(75.0f);
series0->dataProxy()->setItem(itemIndex, item);
}
break;
case 2: {
qDebug() << __FUNCTION__ << counter << "Change single item, selected";
int itemIndex = 4 * colCount + 4;
series1->setSelectedItem(itemIndex);
QScatterDataItem item = series1->dataProxy()->itemAt(itemIndex);
item.setY(75.0f);
series1->dataProxy()->setItem(itemIndex, item);
}
break;
case 3: {
qDebug() << __FUNCTION__ << counter << "Change item outside visible area";
int itemIndex = 2;
QScatterDataItem item = series1->dataProxy()->itemAt(itemIndex);
item.setY(75.0f);
series1->dataProxy()->setItem(itemIndex, item);
}
break;
case 4: {
qDebug() << __FUNCTION__ << counter << "Change single item from two series, unselected";
int itemIndex = 4 * colCount + 6;
QScatterDataItem item0 = series0->dataProxy()->itemAt(itemIndex);
QScatterDataItem item1 = series1->dataProxy()->itemAt(itemIndex);
item0.setY(65.0f);
item1.setY(85.0f);
series0->dataProxy()->setItem(itemIndex, item0);
series1->dataProxy()->setItem(itemIndex, item1);
}
break;
case 5: {
qDebug() << __FUNCTION__ << counter << "Change single item from two series, one selected";
int itemIndex0 = 5 * colCount + 5;
int itemIndex1 = 4 * colCount + 4;
QScatterDataItem item0 = series0->dataProxy()->itemAt(itemIndex0);
QScatterDataItem item1 = series1->dataProxy()->itemAt(itemIndex1);
item0.setY(65.0f);
item1.setY(85.0f);
series0->dataProxy()->setItem(itemIndex0, item0);
series1->dataProxy()->setItem(itemIndex1, item1);
}
break;
case 6: {
qDebug() << __FUNCTION__ << counter << "Change single item from two series, one outside range";
int itemIndex0 = 6 * colCount + 6;
int itemIndex1 = 9 * colCount + 2;
QScatterDataItem item0 = series0->dataProxy()->itemAt(itemIndex0);
QScatterDataItem item1 = series1->dataProxy()->itemAt(itemIndex1);
item0.setY(65.0f);
item1.setY(85.0f);
series0->dataProxy()->setItem(itemIndex0, item0);
series1->dataProxy()->setItem(itemIndex1, item1);
}
break;
case 7: {
qDebug() << __FUNCTION__ << counter << "Change single item from two series, both outside range";
int itemIndex0 = 1 * colCount + 3;
int itemIndex1 = 9 * colCount + 2;
QScatterDataItem item0 = series0->dataProxy()->itemAt(itemIndex0);
QScatterDataItem item1 = series1->dataProxy()->itemAt(itemIndex1);
item0.setY(65.0f);
item1.setY(85.0f);
series0->dataProxy()->setItem(itemIndex0, item0);
series1->dataProxy()->setItem(itemIndex1, item1);
}
break;
case 8: {
qDebug() << __FUNCTION__ << counter << "Change item to same value as previously";
int itemIndex0 = 5 * colCount + 7;
int itemIndex1 = 4 * colCount + 7;
QScatterDataItem item0 = series0->dataProxy()->itemAt(itemIndex0);
QScatterDataItem item1 = series1->dataProxy()->itemAt(itemIndex1);
series0->dataProxy()->setItem(itemIndex0, item0);
series1->dataProxy()->setItem(itemIndex1, item1);
}
break;
case 9: {
qDebug() << __FUNCTION__ << counter << "Change 3 items on each series";
int itemIndex0 = 5 * colCount + 6;
int itemIndex1 = 4 * colCount + 6;
QScatterDataItem item00 = series0->dataProxy()->itemAt(itemIndex0);
QScatterDataItem item01 = series0->dataProxy()->itemAt(itemIndex0 + 1);
QScatterDataItem item02 = series0->dataProxy()->itemAt(itemIndex0 + 2);
QScatterDataItem item10 = series1->dataProxy()->itemAt(itemIndex1);
QScatterDataItem item11 = series1->dataProxy()->itemAt(itemIndex1 + 1);
QScatterDataItem item12 = series1->dataProxy()->itemAt(itemIndex1 + 2);
item00.setY(65.0f);
item01.setY(70.0f);
item02.setY(75.0f);
item10.setY(80.0f);
item11.setY(85.0f);
item12.setY(90.0f);
series0->dataProxy()->setItem(itemIndex0, item00);
series0->dataProxy()->setItem(itemIndex0 + 1, item01);
series0->dataProxy()->setItem(itemIndex0 + 2, item02);
series1->dataProxy()->setItem(itemIndex1, item10);
series1->dataProxy()->setItem(itemIndex1 + 1, item11);
series1->dataProxy()->setItem(itemIndex1 + 2, item12);
}
break;
case 10: {
qDebug() << __FUNCTION__ << counter << "Level the field single item at a time";
for (int i = 0; i < rowCount; i++) {
for (int j = 0; j < colCount; j++) {
int itemIndex = i * colCount + j;
QScatterDataItem item0 = series0->dataProxy()->itemAt(itemIndex);
QScatterDataItem item1 = series1->dataProxy()->itemAt(itemIndex);
QScatterDataItem item2 = series2->dataProxy()->itemAt(itemIndex);
item0.setY(10.0f);
item1.setY(15.0f);
item2.setY(20.0f);
series0->dataProxy()->setItem(itemIndex, item0);
series1->dataProxy()->setItem(itemIndex, item1);
series2->dataProxy()->setItem(itemIndex, item2);
}
}
}
break;
case 11: {
qDebug() << __FUNCTION__ << counter << "Change same items multiple times";
int itemIndex0 = 6 * colCount + 6;
QScatterDataItem item0 = series0->dataProxy()->itemAt(itemIndex0);
item0.setY(90.0f);
series0->dataProxy()->setItem(itemIndex0, item0);
series0->dataProxy()->setItem(itemIndex0, item0);
series0->dataProxy()->setItem(itemIndex0, item0);
series0->dataProxy()->setItem(itemIndex0, item0);
}
break;
default:
qDebug() << __FUNCTION__ << "Resetting test";
counter = -1;
}
counter++;
}
void ScatterDataModifier::testAxisReverse()
{
static int counter = 0;
const int rowCount = 16;
const int colCount = 16;
static QScatter3DSeries *series0 = 0;
static QScatter3DSeries *series1 = 0;
switch (counter) {
case 0: {
qDebug() << __FUNCTION__ << counter << "Setup test";
const auto scatterSeriesList = m_chart->seriesList();
for (const auto &series : scatterSeriesList)
m_chart->removeSeries(series);
const auto &axes = m_chart->axes();
for (const auto &axis : axes)
deleteAxis(axis);
delete series0;
delete series1;
series0 = new QScatter3DSeries;
series1 = new QScatter3DSeries;
populateRisingSeries(series0, rowCount, colCount, 0.0f, 50.0f);
populateRisingSeries(series1, rowCount, colCount, -20.0f, 30.0f);
m_chart->axisX()->setRange(0.0f, 10.0f);
m_chart->axisY()->setRange(-20.0f, 50.0f);
m_chart->axisZ()->setRange(5.0f, 15.0f);
m_chart->axisX()->setTitle("Axis X");
m_chart->axisZ()->setTitle("Axis Z");
m_chart->axisX()->setTitleVisible(true);
m_chart->axisZ()->setTitleVisible(true);
m_chart->addSeries(series0);
m_chart->addSeries(series1);
}
break;
case 1: {
qDebug() << __FUNCTION__ << counter << "Reverse X axis";
m_chart->axisX()->setReversed(true);
}
break;
case 2: {
qDebug() << __FUNCTION__ << counter << "Reverse Y axis";
m_chart->axisY()->setReversed(true);
}
break;
case 3: {
qDebug() << __FUNCTION__ << counter << "Reverse Z axis";
m_chart->axisZ()->setReversed(true);
}
break;
case 4: {
qDebug() << __FUNCTION__ << counter << "Return all axes to normal";
m_chart->axisX()->setReversed(false);
m_chart->axisY()->setReversed(false);
m_chart->axisZ()->setReversed(false);
}
break;
case 5: {
qDebug() << __FUNCTION__ << counter << "Reverse all axes";
m_chart->axisX()->setReversed(true);
m_chart->axisY()->setReversed(true);
m_chart->axisZ()->setReversed(true);
}
break;
default:
qDebug() << __FUNCTION__ << "Resetting test";
counter = -1;
}
counter++;
}
void ScatterDataModifier::testNanSeries()
{
static bool initialized = false;
const int rowCount = 16;
const int colCount = 16;
static QScatter3DSeries *series = 0;
if (!initialized) {
series = new QScatter3DSeries;
populateNanSeries(series, rowCount, colCount, 10.0f);
m_chart->addSeries(series);
initialized = true;
} else {
m_chart->removeSeries(series);
delete series;
initialized = false;
}
}
void ScatterDataModifier::addData()
{
// Add labels
m_chart->axisX()->setTitle("X - Axis");
m_chart->axisY()->setTitle("Y - Axis");
m_chart->axisZ()->setTitle("Z - Axis");
m_chart->axisX()->setRange(-50.0f, 50.0f);
m_chart->axisY()->setRange(-1.0f, 1.2f);
m_chart->axisZ()->setRange(-50.0f, 50.0f);
m_chart->axisX()->setSegmentCount(5);
m_chart->axisY()->setSegmentCount(4);
m_chart->axisZ()->setSegmentCount(10);
m_chart->axisX()->setSubSegmentCount(2);
m_chart->axisY()->setSubSegmentCount(3);
m_chart->axisZ()->setSubSegmentCount(1);
QScatterDataArray dataArray;
dataArray.resize(numberOfItems);
QScatterDataItem *ptrToDataArray = &dataArray.first();
QScatterDataArray dataArray2;
dataArray2.resize(numberOfItems);
QScatterDataItem *ptrToDataArray2 = &dataArray2.first();
#ifdef RANDOM_SCATTER
for (int i = 0; i < numberOfItems; i++) {
ptrToDataArray->setPosition(randVector());
ptrToDataArray++;
ptrToDataArray2->setPosition(randVector());
ptrToDataArray2++;
}
#else
float limit = qSqrt(numberOfItems) / 2.0f;
for (float i = -limit; i < limit; i++) {
for (float j = -limit; j < limit; j++) {
ptrToDataArray->setPosition(QVector3D(i, qCos(qDegreesToRadians((i * j) / 7.5)), j));
ptrToDataArray++;
ptrToDataArray2->setPosition(QVector3D(i, qCos(qDegreesToRadians((i * j) / 7.5)) + 0.2, j));
ptrToDataArray2++;
}
}
#endif
m_chart->seriesList().at(0)->dataProxy()->resetArray(dataArray);
m_chart->seriesList().at(1)->dataProxy()->resetArray(dataArray2);
m_chart->seriesList().at(0)->setItemSize(0.0f);
m_chart->seriesList().at(1)->setItemSize(0.0f);
}
void ScatterDataModifier::changeStyle()
{
if (!m_targetSeries)
createAndAddSeries();
if (m_targetSeries->isMeshSmooth()) {
m_targetSeries->setMeshSmooth(false);
switch (m_targetSeries->mesh()) {
case QAbstract3DSeries::Mesh::Cube:
m_targetSeries->setMesh(QAbstract3DSeries::Mesh::Pyramid);
break;
case QAbstract3DSeries::Mesh::Pyramid:
m_targetSeries->setMesh(QAbstract3DSeries::Mesh::Cone);
break;
case QAbstract3DSeries::Mesh::Cone:
m_targetSeries->setMesh(QAbstract3DSeries::Mesh::Cylinder);
break;
case QAbstract3DSeries::Mesh::Cylinder:
m_targetSeries->setMesh(QAbstract3DSeries::Mesh::BevelCube);
break;
case QAbstract3DSeries::Mesh::BevelCube:
m_targetSeries->setMesh(QAbstract3DSeries::Mesh::Sphere);
break;
case QAbstract3DSeries::Mesh::Sphere:
m_targetSeries->setMesh(QAbstract3DSeries::Mesh::Minimal);
break;
case QAbstract3DSeries::Mesh::Minimal:
m_targetSeries->setMesh(QAbstract3DSeries::Mesh::Point);
break;
default:
m_targetSeries->setMesh(QAbstract3DSeries::Mesh::Cube);
break;
}
} else {
m_targetSeries->setMeshSmooth(true);
}
qDebug() << __FUNCTION__ << m_targetSeries->mesh() << m_targetSeries->isMeshSmooth();
}
void ScatterDataModifier::changePresetCamera()
{
static int preset = int(QtGraphs3D::CameraPreset::FrontLow);
m_chart->setCameraPreset((QtGraphs3D::CameraPreset) preset);
if (++preset > int(QtGraphs3D::CameraPreset::DirectlyAboveCCW45))
preset = int(QtGraphs3D::CameraPreset::FrontLow);
}
void ScatterDataModifier::changeTheme()
{
static int theme = int(QGraphsTheme::Theme::QtGreen);
m_chart->activeTheme()->setTheme(QGraphsTheme::Theme(theme));
if (++theme > int(QGraphsTheme::Theme::UserDefined))
theme = int(QGraphsTheme::Theme::QtGreen);
}
void ScatterDataModifier::changeLabelStyle()
{
m_chart->activeTheme()->setLabelBackgroundVisible(
!m_chart->activeTheme()->isLabelBackgroundVisible());
}
void ScatterDataModifier::changeFont(const QFont &font)
{
QFont newFont = font;
newFont.setPointSizeF(m_fontSize);
m_chart->activeTheme()->setLabelFont(newFont);
}
void ScatterDataModifier::changeFontSize(int fontSize)
{
m_fontSize = fontSize;
QFont font = m_chart->activeTheme()->labelFont();
font.setPointSize(m_fontSize);
m_chart->activeTheme()->setLabelFont(font);
}
void ScatterDataModifier::changeLabelSize(int labelSize)
{
m_chart->axisX()->setLabelSize(float(labelSize) * 0.1);
m_chart->axisY()->setLabelSize(float(labelSize) * 0.1);
m_chart->axisZ()->setLabelSize(float(labelSize) * 0.1);
}
void ScatterDataModifier::changePointSize(int pointSize)
{
m_targetSeries->setItemSize(0.01f * float(pointSize));
}
void ScatterDataModifier::shadowQualityUpdatedByVisual(QtGraphs3D::ShadowQuality sq)
{
int quality = int(sq);
// Updates the UI component to show correct shadow quality
emit shadowQualityChanged(quality);
}
void ScatterDataModifier::changeLightingMode(int mode)
{
m_targetSeries->setLightingMode(static_cast<QAbstract3DSeries::LightingMode>(mode));
}
void ScatterDataModifier::clear()
{
const auto scatterSeriesList = m_chart->seriesList();
for (const auto &series : scatterSeriesList) {
m_chart->removeSeries(series);
delete series;
}
m_targetSeries = 0;
qDebug() << m_loopCounter << "Cleared array";
}
void ScatterDataModifier::deleteAxis(QValue3DAxis *axis)
{
m_chart->releaseAxis(axis);
delete axis;
}
void ScatterDataModifier::resetAxes()
{
deleteAxis(m_chart->axisX());
deleteAxis(m_chart->axisY());
deleteAxis(m_chart->axisZ());
m_chart->setAxisX(new QValue3DAxis);
m_chart->setAxisY(new QValue3DAxis);
m_chart->setAxisZ(new QValue3DAxis);
m_chart->axisX()->setSegmentCount(6);
m_chart->axisY()->setSegmentCount(4);
m_chart->axisZ()->setSegmentCount(9);
m_chart->axisX()->setSubSegmentCount(2);
m_chart->axisY()->setSubSegmentCount(3);
m_chart->axisZ()->setSubSegmentCount(1);
m_chart->axisX()->setTitle("X");
m_chart->axisY()->setTitle("Y");
m_chart->axisZ()->setTitle("Z");
}
void ScatterDataModifier::addOne()
{
if (!m_targetSeries)
createAndAddSeries();
QScatterDataItem item(randVector());
int addIndex = m_targetSeries->dataProxy()->addItem(item);
qDebug() << m_loopCounter << "added one to index:" << addIndex
<< "array size:" << m_targetSeries->dataArray().size();
}
void ScatterDataModifier::addBunch()
{
if (!m_targetSeries)
createAndAddSeries();
QScatterDataArray items(100);
for (int i = 0; i < items.size(); i++)
items[i].setPosition(randVector());
int addIndex = m_targetSeries->dataProxy()->addItems(items);
qDebug() << m_loopCounter << "added bunch to index:" << addIndex
<< "array size:" << m_targetSeries->dataArray().size();
}
void ScatterDataModifier::insertOne()
{
if (!m_targetSeries)
createAndAddSeries();
QScatterDataItem item(randVector());
m_targetSeries->dataProxy()->insertItem(0, item);
qDebug() << m_loopCounter << "Inserted one, array size:" << m_targetSeries->dataArray().size();
}
void ScatterDataModifier::insertBunch()
{
if (!m_targetSeries)
createAndAddSeries();
QScatterDataArray items(100);
for (int i = 0; i < items.size(); i++)
items[i].setPosition(randVector());
m_targetSeries->dataProxy()->insertItems(0, items);
qDebug() << m_loopCounter
<< "Inserted bunch, array size:" << m_targetSeries->dataArray().size();
}
void ScatterDataModifier::changeOne()
{
if (!m_targetSeries)
createAndAddSeries();
if (m_selectedItem >= 0 && m_selectedItem < m_targetSeries->dataProxy()->itemCount()) {
QScatterDataItem item(randVector());
m_targetSeries->dataProxy()->setItem(m_selectedItem, item);
qDebug() << m_loopCounter
<< "Changed one, array size:" << m_targetSeries->dataArray().size();
}
}
void ScatterDataModifier::changeBunch()
{
if (!m_targetSeries)
createAndAddSeries();
if (m_targetSeries->dataArray().size()) {
int amount = qMin(m_targetSeries->dataArray().size(), 100);
QScatterDataArray items(amount);
for (int i = 0; i < items.size(); i++) {
items[i].setPosition(randVector());
// Change the Y-values of first few items to exact gradient boundaries
if (i == 0)
items[i].setY(0.65f);
else if (i == 1)
items[i].setY(0.1f);
else if (i == 2)
items[i].setY(-0.45f);
else if (i == 3)
items[i].setY(-1.0f);
else if (i == 4)
items[i].setY(1.2f);
// else
// items[i].setY(0.1001f - (0.00001f * float(i)));
}
m_targetSeries->dataProxy()->setItems(0, items);
qDebug() << m_loopCounter
<< "Changed bunch, array size:" << m_targetSeries->dataArray().size();
}
}
void ScatterDataModifier::removeOne()
{
if (!m_targetSeries)
createAndAddSeries();
if (m_selectedItem >= 0) {
m_targetSeries->dataProxy()->removeItems(m_selectedItem, 1);
qDebug() << m_loopCounter
<< "Removed one, array size:" << m_targetSeries->dataArray().size();
}
}
void ScatterDataModifier::removeBunch()
{
if (!m_targetSeries)
createAndAddSeries();
m_targetSeries->dataProxy()->removeItems(0, 100);
qDebug() << m_loopCounter << "Removed bunch, array size:" << m_targetSeries->dataArray().size();
}
void ScatterDataModifier::timeout()
{
int doWhat = QRandomGenerator::global()->bounded(10);
if (!(QRandomGenerator::global()->bounded(100)))
doWhat = -1;
switch (doWhat) {
case 0:
addOne();
break;
case 1:
addBunch();
break;
case 2:
insertOne();
break;
case 3:
insertBunch();
break;
case 4:
changeOne();
break;
case 5:
changeBunch();
break;
case 6:
removeOne();
break;
case 7:
removeBunch();
break;
case 8:
addSeries();
break;
case 9:
if (m_chart->seriesList().size())
m_targetSeries = m_chart->seriesList().at(QRandomGenerator::global()->bounded(m_chart->seriesList().size()));
else
addSeries();
break;
default:
clear();
break;
}
m_loopCounter++;
}
void ScatterDataModifier::startStopTimer()
{
if (m_timer.isActive()) {
m_timer.stop();
} else {
clear();
m_loopCounter = 0;
m_timer.start(0);
}
}
void ScatterDataModifier::selectItem()
{
if (!m_targetSeries)
createAndAddSeries();
int targetItem(3);
int noSelection(-1);
if (m_selectedItem != targetItem || m_targetSeries != m_chart->seriesList().at(0))
m_chart->seriesList().at(0)->setSelectedItem(targetItem);
else
m_chart->seriesList().at(0)->setSelectedItem(noSelection);
}
void ScatterDataModifier::handleSelectionChange(qsizetype index)
{
m_selectedItem = index;
m_targetSeries = static_cast<QScatter3DSeries *>(sender());
int seriesIndex = 0;
const auto scatterSeriesList = m_chart->seriesList();
for (const auto &series : scatterSeriesList) {
if (series == sender())
break;
seriesIndex++;
}
qDebug() << "Selected item index:" << index << "series:" << seriesIndex;
}
void ScatterDataModifier::setGradient()
{
QLinearGradient baseGradient(0, 0, 1, 100);
baseGradient.setColorAt(1.0, Qt::lightGray);
baseGradient.setColorAt(0.75001, Qt::lightGray);
baseGradient.setColorAt(0.75, Qt::blue);
baseGradient.setColorAt(0.50001, Qt::blue);
baseGradient.setColorAt(0.50, Qt::red);
baseGradient.setColorAt(0.25001, Qt::red);
baseGradient.setColorAt(0.25, Qt::yellow);
baseGradient.setColorAt(0.0, Qt::yellow);
QLinearGradient singleHighlightGradient(0, 0, 1, 100);
singleHighlightGradient.setColorAt(1.0, Qt::lightGray);
singleHighlightGradient.setColorAt(0.75, Qt::blue);
singleHighlightGradient.setColorAt(0.50, Qt::red);
singleHighlightGradient.setColorAt(0.25, Qt::yellow);
singleHighlightGradient.setColorAt(0.0, Qt::white);
if (m_targetSeries) {
m_targetSeries->setBaseColor(Qt::green);
m_targetSeries->setSingleHighlightColor(Qt::white);
m_targetSeries->setBaseGradient(baseGradient);
m_targetSeries->setSingleHighlightGradient(singleHighlightGradient);
QGraphsTheme::ColorStyle oldStyle = m_targetSeries->colorStyle();
if (oldStyle == QGraphsTheme::ColorStyle::Uniform)
m_targetSeries->setColorStyle(QGraphsTheme::ColorStyle::ObjectGradient);
else if (oldStyle == QGraphsTheme::ColorStyle::ObjectGradient)
m_targetSeries->setColorStyle(QGraphsTheme::ColorStyle::RangeGradient);
if (oldStyle == QGraphsTheme::ColorStyle::RangeGradient)
m_targetSeries->setColorStyle(QGraphsTheme::ColorStyle::Uniform);
}
}
void ScatterDataModifier::clearSeriesData()
{
if (m_targetSeries)
m_targetSeries->dataProxy()->resetArray();
}
void ScatterDataModifier::addSeries()
{
QScatter3DSeries *series = createAndAddSeries();
QScatter3DSeries *oldTargetSeries = m_targetSeries;
m_targetSeries = series; // adding always adds to target series, so fake it for a bit
addOne(); // add one random item to start the new series off
m_targetSeries = oldTargetSeries;
}
void ScatterDataModifier::removeSeries()
{
if (m_targetSeries) {
m_chart->removeSeries(m_targetSeries);
delete m_targetSeries;
if (m_chart->seriesList().size())
m_targetSeries = m_chart->seriesList().at(0);
else
m_targetSeries = 0;
}
}
void ScatterDataModifier::toggleSeriesVisibility()
{
if (m_targetSeries)
m_targetSeries->setVisible(!m_targetSeries->isVisible());
}
void ScatterDataModifier::changeSeriesName()
{
if (m_targetSeries)
m_targetSeries->setName(m_targetSeries->name().append("-").append(QString::number(QRandomGenerator::global()->bounded(10))));
}
void ScatterDataModifier::handleAxisXChanged(QValue3DAxis *axis)
{
qDebug() << __FUNCTION__ << axis << axis->orientation() << (axis == m_chart->axisX());
}
void ScatterDataModifier::handleAxisYChanged(QValue3DAxis *axis)
{
qDebug() << __FUNCTION__ << axis << axis->orientation() << (axis == m_chart->axisY());
}
void ScatterDataModifier::handleAxisZChanged(QValue3DAxis *axis)
{
qDebug() << __FUNCTION__ << axis << axis->orientation() << (axis == m_chart->axisZ());
}
void ScatterDataModifier::handleFpsChange(int fps)
{
static const QString fpsPrefix(QStringLiteral("FPS: "));
m_fpsLabel->setText(fpsPrefix + QString::number(fps));
}
void ScatterDataModifier::changeLabelRotation(int rotation)
{
m_chart->axisX()->setLabelAutoAngle(float(rotation));
m_chart->axisY()->setLabelAutoAngle(float(rotation));
m_chart->axisZ()->setLabelAutoAngle(float(rotation));
}
void ScatterDataModifier::changeTitleOffset(int offset)
{
m_chart->axisX()->setTitleOffset(float(offset) / 100);
m_chart->axisY()->setTitleOffset(float(offset) / 100);
m_chart->axisZ()->setTitleOffset(float(offset) / 100);
}
void ScatterDataModifier::changeRadialLabelOffset(int offset)
{
m_chart->setRadialLabelOffset(float(offset) / 100.0f);
}
void ScatterDataModifier::toggleAxisTitleVisibility(int enabled)
{
m_chart->axisX()->setTitleVisible(enabled);
m_chart->axisY()->setTitleVisible(enabled);
m_chart->axisZ()->setTitleVisible(enabled);
}
void ScatterDataModifier::toggleAxisTitleFixed(int enabled)
{
m_chart->axisX()->setTitleFixed(enabled);
m_chart->axisY()->setTitleFixed(enabled);
m_chart->axisZ()->setTitleFixed(enabled);
}
void ScatterDataModifier::toggleLabelAdjustment(int enabled)
{
m_chart->axisX()->setScaleLabelsByCount(enabled);
m_chart->axisY()->setScaleLabelsByCount(enabled);
m_chart->axisZ()->setScaleLabelsByCount(enabled);
}
void ScatterDataModifier::renderToImage()
{
QSharedPointer<QQuickItemGrabResult> grabResult = m_chart->renderToImage(QSize());
QObject::connect(grabResult.data(), &QQuickItemGrabResult::ready, this, [grabResult]() {
grabResult.data()->image().save("./renderedImage.png");
});
QSharedPointer<QQuickItemGrabResult> grabResult2 = m_chart->renderToImage(QSize(100, 100));
QObject::connect(grabResult2.data(), &QQuickItemGrabResult::ready, this, [grabResult2]() {
grabResult2.data()->image().save("./renderedImageSmall.png");
});
}
void ScatterDataModifier::togglePolar(int enable)
{
m_chart->setPolar(enable);
}
void ScatterDataModifier::toggleLegacy(int enable)
{
if (!enable)
m_chart->setOptimizationHint(QtGraphs3D::OptimizationHint::Default);
else
m_chart->setOptimizationHint(QtGraphs3D::OptimizationHint::Legacy);
}
void ScatterDataModifier::toggleOrtho(int enable)
{
m_chart->setOrthoProjection(enable);
}
void ScatterDataModifier::setCameraTargetX(int value)
{
// Value is (-100, 100), normalize
m_cameraTarget.setX(float(value) / 100.0f);
m_chart->setCameraTargetPosition(m_cameraTarget);
qDebug() << "m_cameraTarget:" << m_cameraTarget;
}
void ScatterDataModifier::setCameraTargetY(int value)
{
// Value is (-100, 100), normalize
m_cameraTarget.setY(float(value) / 100.0f);
m_chart->setCameraTargetPosition(m_cameraTarget);
qDebug() << "m_cameraTarget:" << m_cameraTarget;
}
void ScatterDataModifier::setCameraTargetZ(int value)
{
// Value is (-100, 100), normalize
m_cameraTarget.setZ(float(value) / 100.0f);
m_chart->setCameraTargetPosition(m_cameraTarget);
qDebug() << "m_cameraTarget:" << m_cameraTarget;
}
void ScatterDataModifier::setGraphMargin(int value)
{
m_chart->setMargin(qreal(value) / 100.0);
qDebug() << "Setting margin:" << m_chart->margin() << value;
}
void ScatterDataModifier::setXAxisSegemntCount(int count)
{
m_chart->axisX()->setSegmentCount(count);
}
void ScatterDataModifier::setYAxisSegemntCount(int count)
{
m_chart->axisY()->setSegmentCount(count);
}
void ScatterDataModifier::setZAxisSegemntCount(int count)
{
m_chart->axisZ()->setSegmentCount(count);
}
void ScatterDataModifier::setXAxisSubsegemntCount(int count)
{
m_chart->axisX()->setSubSegmentCount(count);
}
void ScatterDataModifier::setYAxisSubsegemntCount(int count)
{
m_chart->axisY()->setSubSegmentCount(count);
}
void ScatterDataModifier::setZAxisSubsegemntCount(int count)
{
m_chart->axisZ()->setSubSegmentCount(count);
}
void ScatterDataModifier::changeShadowQuality(int quality)
{
QtGraphs3D::ShadowQuality sq = QtGraphs3D::ShadowQuality(quality);
m_chart->setShadowQuality(sq);
emit shadowQualityChanged(quality);
}
void ScatterDataModifier::setBackgroundVisible(int visible)
{
m_chart->activeTheme()->setBackgroundVisible((bool)visible);
}
void ScatterDataModifier::setGridVisible(int visible)
{
m_chart->activeTheme()->setGridVisible((bool)visible);
}
void ScatterDataModifier::setMinX(int min)
{
m_chart->axisX()->setMin(min);
}
void ScatterDataModifier::setMinY(int min)
{
m_chart->axisY()->setMin(float(min) / 100.0f);
}
void ScatterDataModifier::setMinZ(int min)
{
m_chart->axisZ()->setMin(min);
}
void ScatterDataModifier::setMaxX(int max)
{
m_chart->axisX()->setMax(max);
}
void ScatterDataModifier::setMaxY(int max)
{
m_chart->axisY()->setMax(float(max) / 100.0f);
}
void ScatterDataModifier::setMaxZ(int max)
{
m_chart->axisZ()->setMax(max);
}
void ScatterDataModifier::setAspectRatio(int ratio)
{
qreal aspectRatio = qreal(ratio) / 10.0;
m_chart->setAspectRatio(aspectRatio);
}
void ScatterDataModifier::setHorizontalAspectRatio(int ratio)
{
qreal aspectRatio = qreal(ratio) / 100.0;
m_chart->setHorizontalAspectRatio(aspectRatio);
}
QVector3D ScatterDataModifier::randVector()
{
QVector3D retvec = QVector3D(
(float)(QRandomGenerator::global()->bounded(100)) / 2.0f - (float)(QRandomGenerator::global()->bounded(100)) / 2.0f,
(float)(QRandomGenerator::global()->bounded(100)) / 100.0f - (float)(QRandomGenerator::global()->bounded(100)) / 100.0f,
(float)(QRandomGenerator::global()->bounded(100)) / 2.0f - (float)(QRandomGenerator::global()->bounded(100)) / 2.0f);
qDebug() << __FUNCTION__ << retvec;
return retvec;
}
QScatter3DSeries *ScatterDataModifier::createAndAddSeries()
{
static int counter = 0;
QScatter3DSeries *series = new QScatter3DSeries;
if (!m_targetSeries)
m_targetSeries = series;
m_chart->addSeries(series);
series->setName(QString("Series %1").arg(counter++));
series->setItemLabelFormat(QStringLiteral("@seriesName: (X:@xLabel / Z:@zLabel) Y:@yLabel"));
series->setMesh(QAbstract3DSeries::Mesh::Sphere);
series->setMeshSmooth(true);
series->setBaseColor(QColor(QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256), QRandomGenerator::global()->bounded(256)));
series->setItemSize(float(QRandomGenerator::global()->bounded(90) + 10) / 100.0f);
QObject::connect(series, &QScatter3DSeries::selectedItemChanged, this,
&ScatterDataModifier::handleSelectionChange);
return series;
}
void ScatterDataModifier::populateFlatSeries(QScatter3DSeries *series, int rows, int columns,
float value)
{
QScatterDataArray dataArray;
dataArray.resize(rows * columns);
for (int i = 0; i < rows; i++) {
for (int j = 0; j < columns; j++)
dataArray[i * columns + j].setPosition(QVector3D(float(i), value, float(j)));
}
series->dataProxy()->resetArray(dataArray);
}
void ScatterDataModifier::populateRisingSeries(QScatter3DSeries *series, int rows, int columns,
float minValue, float maxValue)
{
QScatterDataArray dataArray;
int arraySize = rows * columns;
dataArray.resize(arraySize);
float range = maxValue - minValue;
for (int i = 0; i < rows; i++) {
for (int j = 0; j < columns; j++) {
float yValue = minValue + (range * i * j / arraySize);
dataArray[i * columns + j].setPosition(QVector3D(float(i), yValue, float(j)));
}
}
series->dataProxy()->resetArray(dataArray);
}
void ScatterDataModifier::populateNanSeries(QScatter3DSeries *series,
int rows,
int columns,
float value)
{
QScatterDataArray dataArray;
int arraySize = rows * columns;
dataArray.resize(arraySize);
for (int i = 0; i < rows; i++) {
for (int j = 0; j < columns; j++) {
float yValue = i % 2 == 0 ? value : std::numeric_limits<float>::quiet_NaN();
dataArray[i * columns + j].setPosition(QVector3D(float(i), yValue, float(j)));
}
}
series->dataProxy()->resetArray(dataArray);
}