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-rw-r--r--examples/datavisualization/volumetric/main.cpp22
-rw-r--r--examples/datavisualization/volumetric/volumetric.cpp56
-rw-r--r--examples/datavisualization/volumetric/volumetric.h4
3 files changed, 72 insertions, 10 deletions
diff --git a/examples/datavisualization/volumetric/main.cpp b/examples/datavisualization/volumetric/main.cpp
index 66f62779..5a90070e 100644
--- a/examples/datavisualization/volumetric/main.cpp
+++ b/examples/datavisualization/volumetric/main.cpp
@@ -106,22 +106,42 @@ int main(int argc, char **argv)
colorTableCheckBox->setText(QStringLiteral("Alternate color table"));
colorTableCheckBox->setChecked(false);
+ QLabel *sliceImageXLabel = new QLabel(widget);
+ QLabel *sliceImageYLabel = new QLabel(widget);
+ QLabel *sliceImageZLabel = new QLabel(widget);
+ sliceImageXLabel->setMinimumSize(QSize(200, 100));
+ sliceImageYLabel->setMinimumSize(QSize(200, 200));
+ sliceImageZLabel->setMinimumSize(QSize(200, 100));
+ sliceImageXLabel->setMaximumSize(QSize(200, 100));
+ sliceImageYLabel->setMaximumSize(QSize(200, 200));
+ sliceImageZLabel->setMaximumSize(QSize(200, 100));
+ sliceImageXLabel->setFrameShape(QFrame::Box);
+ sliceImageYLabel->setFrameShape(QFrame::Box);
+ sliceImageZLabel->setFrameShape(QFrame::Box);
+ sliceImageXLabel->setScaledContents(true);
+ sliceImageYLabel->setScaledContents(true);
+ sliceImageZLabel->setScaledContents(true);
+
vLayout->addWidget(fpsCheckBox);
vLayout->addWidget(fpsLabel);
vLayout->addWidget(textureDetailGroupBox);
vLayout->addWidget(colorTableCheckBox);
vLayout->addWidget(sliceXCheckBox);
vLayout->addWidget(sliceXSlider);
+ vLayout->addWidget(sliceImageXLabel);
vLayout->addWidget(sliceYCheckBox);
vLayout->addWidget(sliceYSlider);
+ vLayout->addWidget(sliceImageYLabel);
vLayout->addWidget(sliceZCheckBox);
- vLayout->addWidget(sliceZSlider, 1, Qt::AlignTop);
+ vLayout->addWidget(sliceZSlider);
+ vLayout->addWidget(sliceImageZLabel, 1, Qt::AlignTop);
VolumetricModifier *modifier = new VolumetricModifier(graph);
modifier->setFpsLabel(fpsLabel);
modifier->setMediumDetailRB(mediumDetailRB);
modifier->setHighDetailRB(highDetailRB);
modifier->setSliceSliders(sliceXSlider, sliceYSlider, sliceZSlider);
+ modifier->setSliceLabels(sliceImageXLabel, sliceImageYLabel, sliceImageZLabel);
QObject::connect(fpsCheckBox, &QCheckBox::stateChanged, modifier,
&VolumetricModifier::setFpsMeasurement);
diff --git a/examples/datavisualization/volumetric/volumetric.cpp b/examples/datavisualization/volumetric/volumetric.cpp
index b4ea769c..a553ccf8 100644
--- a/examples/datavisualization/volumetric/volumetric.cpp
+++ b/examples/datavisualization/volumetric/volumetric.cpp
@@ -51,7 +51,10 @@ VolumetricModifier::VolumetricModifier(Q3DScatter *scatter)
m_highDetailIndex(0),
m_sliceSliderX(0),
m_sliceSliderY(0),
- m_sliceSliderZ(0)
+ m_sliceSliderZ(0),
+ m_sliceLabelX(0),
+ m_sliceLabelY(0),
+ m_sliceLabelZ(0)
{
m_graph->activeTheme()->setType(Q3DTheme::ThemeQt);
m_graph->setShadowQuality(QAbstract3DGraph::ShadowQualityNone);
@@ -95,12 +98,12 @@ VolumetricModifier::VolumetricModifier(Q3DScatter *scatter)
}
// The alternate color table.
- // The first visible layer is a thin yellow one, and rest of the volume uses a smooth gradient.
+ // The first visible layer is a thin single color, and rest of the volume uses a smooth gradient.
for (int i = 1; i < colorTableSize; i++) {
if (i < cutOffColorIndex)
m_colorTable2[i] = qRgba(0, 0, 0, 0);
else if (i < cutOffColorIndex + 4)
- m_colorTable2[i] = qRgba(255, 255, 0, 255);
+ m_colorTable2[i] = qRgba(75, 150, 0, 255);
else
m_colorTable2[i] = qRgba(i, 0, 255 - i, 255);
}
@@ -108,6 +111,7 @@ VolumetricModifier::VolumetricModifier(Q3DScatter *scatter)
m_volumeItem->setColorTable(m_colorTable1);
m_graph->addCustomItem(m_volumeItem);
+
m_timer.start(0);
#else
// OpenGL ES2 doesn't support 3D textures, so show a warning label instead
@@ -152,6 +156,17 @@ void VolumetricModifier::setHighDetailRB(QRadioButton *button)
m_highDetailRB = button;
}
+void VolumetricModifier::setSliceLabels(QLabel *xLabel, QLabel *yLabel, QLabel *zLabel)
+{
+ m_sliceLabelX = xLabel;
+ m_sliceLabelY = yLabel;
+ m_sliceLabelZ = zLabel;
+
+ adjustSliceX(m_sliceSliderX->value());
+ adjustSliceY(m_sliceSliderY->value());
+ adjustSliceZ(m_sliceSliderZ->value());
+}
+
void VolumetricModifier::sliceX(int enabled)
{
if (m_volumeItem)
@@ -173,22 +188,40 @@ void VolumetricModifier::sliceZ(int enabled)
void VolumetricModifier::adjustSliceX(int value)
{
m_sliceIndexX = value / (1024 / m_volumeItem->textureWidth());
- if (m_volumeItem && m_volumeItem->sliceIndexX() != -1)
- m_volumeItem->setSliceIndexX(m_sliceIndexX);
+ if (m_sliceIndexX == m_volumeItem->textureWidth())
+ m_sliceIndexX--;
+ if (m_volumeItem) {
+ if (m_volumeItem->sliceIndexX() != -1)
+ m_volumeItem->setSliceIndexX(m_sliceIndexX);
+ m_sliceLabelX->setPixmap(QPixmap::fromImage(
+ m_volumeItem->renderSlice(Qt::XAxis, m_sliceIndexX)));
+ }
}
void VolumetricModifier::adjustSliceY(int value)
{
m_sliceIndexY = value / (1024 / m_volumeItem->textureHeight());
- if (m_volumeItem && m_volumeItem->sliceIndexY() != -1)
- m_volumeItem->setSliceIndexY(m_sliceIndexY);
+ if (m_sliceIndexY == m_volumeItem->textureHeight())
+ m_sliceIndexY--;
+ if (m_volumeItem) {
+ if (m_volumeItem->sliceIndexY() != -1)
+ m_volumeItem->setSliceIndexY(m_sliceIndexY);
+ m_sliceLabelY->setPixmap(QPixmap::fromImage(
+ m_volumeItem->renderSlice(Qt::YAxis, m_sliceIndexY)));
+ }
}
void VolumetricModifier::adjustSliceZ(int value)
{
m_sliceIndexZ = value / (1024 / m_volumeItem->textureDepth());
- if (m_volumeItem && m_volumeItem->sliceIndexZ() != -1)
- m_volumeItem->setSliceIndexZ(m_sliceIndexZ);
+ if (m_sliceIndexZ == m_volumeItem->textureDepth())
+ m_sliceIndexZ--;
+ if (m_volumeItem) {
+ if (m_volumeItem->sliceIndexZ() != -1)
+ m_volumeItem->setSliceIndexZ(m_sliceIndexZ);
+ m_sliceLabelZ->setPixmap(QPixmap::fromImage(
+ m_volumeItem->renderSlice(Qt::ZAxis, m_sliceIndexZ)));
+ }
}
void VolumetricModifier::handleZoomLevelChange()
@@ -282,6 +315,11 @@ void VolumetricModifier::changeColorTable(int enabled)
m_volumeItem->setColorTable(m_colorTable2);
else
m_volumeItem->setColorTable(m_colorTable1);
+
+ // Rerender image labels
+ adjustSliceX(m_sliceSliderX->value());
+ adjustSliceY(m_sliceSliderY->value());
+ adjustSliceZ(m_sliceSliderZ->value());
}
int VolumetricModifier::createVolume(int textureSize, int startIndex, int count,
diff --git a/examples/datavisualization/volumetric/volumetric.h b/examples/datavisualization/volumetric/volumetric.h
index bb7fb3fe..eb8a4172 100644
--- a/examples/datavisualization/volumetric/volumetric.h
+++ b/examples/datavisualization/volumetric/volumetric.h
@@ -40,6 +40,7 @@ public:
void setFpsLabel(QLabel *fpsLabel);
void setMediumDetailRB(QRadioButton *button);
void setHighDetailRB(QRadioButton *button);
+ void setSliceLabels(QLabel *xLabel, QLabel *yLabel, QLabel *zLabel);
public slots:
void sliceX(int enabled);
@@ -82,6 +83,9 @@ private:
QSlider *m_sliceSliderZ;
QVector<QRgb> m_colorTable1;
QVector<QRgb> m_colorTable2;
+ QLabel *m_sliceLabelX;
+ QLabel *m_sliceLabelY;
+ QLabel *m_sliceLabelZ;
};
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 11:28:44 +0000