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viewer.cpp
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viewer.cpp
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/*
* This file is a part of KNOSSOS.
*
* (C) Copyright 2007-2018
* Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
*
* KNOSSOS is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 of
* the License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*
* For further information, visit https://knossos.app
* or contact knossosteam@gmail.com
*/
#include "viewer.h"
#include "annotation/annotation.h"
#include "annotation/file_io.h"
#include "functions.h"
#include "loader.h"
#include "segmentation/segmentation.h"
#include "skeleton/skeletonizer.h"
#include "stateInfo.h"
#include "widgets/mainwindow.h"
#include "widgets/viewports/viewportbase.h"
#include "widgets/widgetcontainer.h"
#include <QApplication>
#include <QDebug>
#include <QDesktopWidget>
#include <QElapsedTimer>
#include <QFutureSynchronizer>
#include <QMetaObject>
#include <QtConcurrentRun>
#include <QVector3D>
#include <boost/container/static_vector.hpp>
#include <boost/range/combine.hpp>
#include <algorithm>
#include <cstddef>
#include <cmath>
#include <fstream>
ViewerState::ViewerState() {
state->viewerState = this;
}
Viewer::Viewer() : evilHack{[this](){ state->viewer = this; return true; }()} {
loadTreeLUT();
recalcTextureOffsets();
QObject::connect(&timer, &QTimer::timeout, this, &Viewer::run);// timer is started in main
QObject::connect(&Segmentation::singleton(), &Segmentation::appendedRow, this, &Viewer::segmentation_changed);
QObject::connect(&Segmentation::singleton(), &Segmentation::changedRow, this, &Viewer::segmentation_changed);
QObject::connect(&Segmentation::singleton(), &Segmentation::changedRowSelection, this, &Viewer::segmentation_changed);
QObject::connect(&Segmentation::singleton(), &Segmentation::removedRow, this, &Viewer::segmentation_changed);
QObject::connect(&Segmentation::singleton(), &Segmentation::resetData, this, &Viewer::segmentation_changed);
QObject::connect(&Segmentation::singleton(), &Segmentation::resetSelection, this, &Viewer::segmentation_changed);
QObject::connect(&Segmentation::singleton(), &Segmentation::renderOnlySelectedObjsChanged, this, &Viewer::segmentation_changed);
static auto regVBuff = [](){
state->viewerState->AllTreesBuffers.regenVertBuffer = true;
state->viewerState->selectedTreesBuffers.regenVertBuffer = true;
state->mainWindow->forEachVPDo([](ViewportBase & vp) {
vp.update();
});
};
QObject::connect(&Skeletonizer::singleton(), &Skeletonizer::guiModeLoaded, regVBuff);
QObject::connect(&Skeletonizer::singleton(), &Skeletonizer::nodeAddedSignal, regVBuff);
QObject::connect(&Skeletonizer::singleton(), &Skeletonizer::nodeChangedSignal, regVBuff);
QObject::connect(&Skeletonizer::singleton(), &Skeletonizer::nodeRemovedSignal, regVBuff);
QObject::connect(&Skeletonizer::singleton(), &Skeletonizer::propertiesChanged, regVBuff);
QObject::connect(&Skeletonizer::singleton(), &Skeletonizer::treeAddedSignal, regVBuff);
QObject::connect(&Skeletonizer::singleton(), &Skeletonizer::treeChangedSignal, regVBuff);
QObject::connect(&Skeletonizer::singleton(), &Skeletonizer::treeRemovedSignal, regVBuff);
QObject::connect(&Skeletonizer::singleton(), &Skeletonizer::treesMerged, regVBuff);
static auto updateSelectionColor = [this](GLBuffers & glBuffers) {
if (!glBuffers.regenVertBuffer) {
auto & svp = glBuffers.pointVertBuffer;
auto setColorAtOffset = [&svp](auto offset, auto color){
svp.colors[offset] = {{static_cast<std::uint8_t>(color.red()), static_cast<std::uint8_t>(color.green()), static_cast<std::uint8_t>(color.blue()), static_cast<std::uint8_t>(color.alpha())}};
svp.color_buffer.bind();
svp.color_buffer.write(static_cast<int>(offset * sizeof(svp.colors[offset])), &svp.colors[offset], sizeof(svp.colors[offset]));
svp.color_buffer.release();
};
if (svp.colorBufferOffset.count(svp.lastSelectedNode)) {// restore old node color
setColorAtOffset(svp.colorBufferOffset[svp.lastSelectedNode], getNodeColor(*state->skeletonState->nodesByNodeID[svp.lastSelectedNode]));
}
svp.lastSelectedNode = state->skeletonState->selectedNodes.front()->nodeID;
if (svp.colorBufferOffset.count(svp.lastSelectedNode)) {// colorize new active node
setColorAtOffset(svp.colorBufferOffset[svp.lastSelectedNode], QColor{Qt::green});
}
} else {
glBuffers.regenVertBuffer = true;
}
};
QObject::connect(&Skeletonizer::singleton(), &Skeletonizer::nodeSelectionChangedSignal, []() {
if (state->skeletonState->selectedNodes.size() == 1) {
updateSelectionColor(state->viewerState->AllTreesBuffers);
updateSelectionColor(state->viewerState->selectedTreesBuffers);
}
});
QObject::connect(&Skeletonizer::singleton(), &Skeletonizer::treeSelectionChangedSignal, regVBuff);
QObject::connect(&Skeletonizer::singleton(), &Skeletonizer::resetData, regVBuff);
QObject::connect(&Annotation::singleton(), &Annotation::movementAreaChanged, this, [this](){
updateCurrentPosition();
reslice_notify();
});
QObject::connect(this, &Viewer::movementAreaFactorChangedSignal, [this](){
for (std::size_t layerId{0}; layerId < Dataset::datasets.size(); ++layerId) {
if (!Dataset::datasets[layerId].isOverlay()) {
reslice_notify(layerId);
}
}
});
QObject::connect(&state->mainWindow->widgetContainer.datasetLoadWidget, &DatasetLoadWidget::datasetChanged, regVBuff);
keyRepeatTimer.start();
}
void Viewer::saveSettings() {
QSettings settings;
settings.beginGroup(VIEWER);
// viewport position and sizes
settings.setValue(VP_DEFAULT_POS_SIZE, state->viewerState->defaultVPSizeAndPos);
mainWindow.forEachVPDo([&settings, this] (ViewportBase & vp) {
settings.setValue(VP_I_DOCKED.arg(vp.viewportType), vp.isDocked);
settings.setValue(VP_I_DOCKED_POS.arg(vp.viewportType), vp.dockPos);
settings.setValue(VP_I_DOCKED_SIZE.arg(vp.viewportType), vp.dockSize);
settings.setValue(VP_I_FLOAT_POS.arg(vp.viewportType), vp.floatParent.nonMaximizedPos ? vp.floatParent.nonMaximizedPos.get() : QVariant());
settings.setValue(VP_I_FLOAT_SIZE.arg(vp.viewportType), vp.floatParent.nonMaximizedSize ? vp.floatParent.nonMaximizedSize.get() : QVariant());
settings.setValue(VP_I_FLOAT_FULLSCREEN.arg(vp.viewportType), vp.floatParent.fullscreen);
settings.setValue(VP_I_FLOAT_FULL_ORIG_DOCKED.arg(vp.viewportType), vp.isFullOrigDocked);
settings.setValue(VP_I_VISIBLE.arg(vp.viewportType), vp.isVisibleTo(mainWindow.centralWidget())); // vps are visible only after mainwindow shows, but can already be marked for becoming visible
});
QList<QVariant> order;
for (const auto & w : mainWindow.centralWidget()->children()) {
mainWindow.forEachVPDo([&w, &order](ViewportBase & vp) {
if (w == &vp) {
order.append(vp.viewportType);
}
});
}
settings.setValue(VP_ORDER, order);
settings.endGroup();
}
void Viewer::loadSettings() {
QSettings settings;
settings.beginGroup(VIEWER);
state->viewerState->defaultVPSizeAndPos = settings.value(VP_DEFAULT_POS_SIZE, true).toBool();
mainWindow.adjustViewports();
if (!state->viewerState->defaultVPSizeAndPos) {
mainWindow.forEachVPDo([&settings](ViewportBase & vp) {
const auto docked = settings.value(VP_I_DOCKED.arg(vp.viewportType), true).toBool();
vp.isDocked = docked;
vp.dockPos = settings.value(VP_I_DOCKED_POS.arg(vp.viewportType)).toPoint();
vp.dockSize = settings.value(VP_I_DOCKED_SIZE.arg(vp.viewportType)).toSize();
const auto posVariant = settings.value(VP_I_FLOAT_POS.arg(vp.viewportType));
vp.floatParent.nonMaximizedPos = posVariant.isValid() ? boost::optional<QPoint>{posVariant.toPoint()} : boost::none;
const auto sizeVariant = settings.value(VP_I_FLOAT_SIZE.arg(vp.viewportType));
vp.floatParent.nonMaximizedSize = sizeVariant.isValid() ? boost::optional<QSize>{sizeVariant.toSize()} : boost::none;
vp.floatParent.fullscreen = settings.value(VP_I_FLOAT_FULLSCREEN.arg(vp.viewportType), false).toBool();
vp.isFullOrigDocked = settings.value(VP_I_FLOAT_FULL_ORIG_DOCKED.arg(vp.viewportType), false).toBool();
if (docked) {
vp.resize(vp.dockSize);
vp.move(vp.dockPos);
vp.setVisible(settings.value(VP_I_VISIBLE.arg(vp.viewportType), true).toBool());
}
});
}
emit changedDefaultVPSizeAndPos();
for (const auto & i : settings.value(VP_ORDER).toList()) {
mainWindow.viewport(static_cast<ViewportType>(i.toInt()))->raise();
}
settings.endGroup();
}
void Viewer::setMovementAreaFactor(float alpha) {
state->viewerState->outsideMovementAreaFactor = alpha;
emit movementAreaFactorChangedSignal();
}
int Viewer::highestMag() {
return viewerState.datasetMagLock ? Dataset::current().magnification : Dataset::current().highestAvailableMag;
}
int Viewer::lowestMag() {
return viewerState.datasetMagLock ? Dataset::current().magnification : Dataset::current().lowestAvailableMag;
}
float Viewer::highestScreenPxXPerDataPx(const bool ofCurrentMag) {
const float texUnitsPerDataPx = 1. / viewerState.texEdgeLength / (ofCurrentMag ? lowestMag() : Dataset::current().lowestAvailableMag);
auto * vp = viewportXY;
float FOVinDCs = static_cast<float>(state->M) - 1.f;
float displayedEdgeLen = (FOVinDCs * VPZOOMMAX * Dataset::current().cubeShape.x) / vp->texture.size;
displayedEdgeLen = (std::ceil(displayedEdgeLen / 2. / texUnitsPerDataPx) * texUnitsPerDataPx) * 2.;
return vp->edgeLength / (displayedEdgeLen / texUnitsPerDataPx);
}
float Viewer::lowestScreenPxXPerDataPx(const bool ofCurrentMag) {
const float texUnitsPerDataPx = 1. / viewerState.texEdgeLength / (ofCurrentMag ? highestMag() : Dataset::current().highestAvailableMag);
auto * vp = viewportXY;
float FOVinDCs = static_cast<float>(state->M) - 1.f;
float displayedEdgeLen = (FOVinDCs * Dataset::current().cubeShape.x) / vp->texture.size;
displayedEdgeLen = (std::ceil(displayedEdgeLen / 2. / texUnitsPerDataPx) * texUnitsPerDataPx) * 2.;
return vp->edgeLength / (displayedEdgeLen / texUnitsPerDataPx);
}
int Viewer::calcMag(const float screenPxXPerDataPx) {
const float exactMag = Dataset::current().highestAvailableMag * lowestScreenPxXPerDataPx() / screenPxXPerDataPx;
const auto roundedPower = std::ceil(std::log2(exactMag));
return std::min(Dataset::current().highestAvailableMag, std::max(static_cast<int>(std::pow(2, roundedPower)), Dataset::current().lowestAvailableMag));
}
void Viewer::setMagnificationLock(const bool locked) {
viewerState.datasetMagLock = locked;
if (!locked && viewportXY->screenPxXPerDataPx > 0) {// screenPxXPerDataPx ⋜ 0 results in -nan in calcMag (ubsan+debug)
const auto newMag = calcMag(viewportXY->screenPxXPerDataPx);
if (newMag != Dataset::current().magnification) {
updateDatasetMag(newMag);
float newFOV = viewportXY->screenPxXPerDataPxForZoomFactor(1.f) / viewportXY->screenPxXPerDataPx;
window->forEachOrthoVPDo([&newFOV](ViewportOrtho & orthoVP) {
orthoVP.texture.FOV = newFOV;
});
}
}
recalcTextureOffsets();
emit magnificationLockChanged(locked);
}
const auto datasetAdjustment = [](auto layerId, auto index){
if (state->viewerState->datasetColortableOn) {
return state->viewerState->datasetColortable[index];
} else {
const auto MAX_COLORVAL{std::numeric_limits<uint8_t>::max()};
auto bias = Dataset::datasets[layerId].renderSettings.bias;
const auto range = Dataset::datasets[layerId].renderSettings.rangeDelta;
const bool invert = range < 0;
int dynIndex = (index - bias * 255) / std::abs(range);
dynIndex = invert ? 255 - dynIndex : dynIndex;
std::uint8_t val = std::min(static_cast<int>(MAX_COLORVAL), std::max(0, dynIndex));
return std::tuple(val, val, val);
}
};
void Viewer::dcSliceExtract(std::uint8_t * datacube, Coordinate cubePosInAbsPx, std::uint8_t * slice, ViewportOrtho & vp, const std::size_t layerId, const boost::optional<decltype(Dataset::LayerRenderSettings::combineSlicesType)> combineType) {
const auto cubeCoord = Dataset::current().global2cube(cubePosInAbsPx);
const auto cubeMaxGlobalCoord = Dataset::current().cube2global(cubeCoord + CoordOfCube{1,1,1}) - Coordinate{1,1,1};
const auto cubeShape = Dataset::current().cubeShape;
const auto partlyOutsideMovementArea = Annotation::singleton().outsideMovementArea(Dataset::current().cube2global(cubeCoord))
|| Annotation::singleton().outsideMovementArea(cubeMaxGlobalCoord);
// we traverse ZY column first because of better locailty of reference
const std::size_t voxelIncrement = vp.viewportType == VIEWPORT_ZY ? cubeShape.x : 1;
const std::size_t sliceIncrement = vp.viewportType == VIEWPORT_XY ? cubeShape.x : cubeShape.x * cubeShape.y;
const std::size_t lineIncrement = vp.viewportType == VIEWPORT_ZY ? 0 : sliceIncrement - cubeShape.x;
const std::size_t texNext = vp.viewportType == VIEWPORT_ZY ? cubeShape.x * 4 : 4;// RGBA per pixel
const std::ptrdiff_t texNextLine = vp.viewportType == VIEWPORT_ZY ? 4 - 4 * cubeShape.y * cubeShape.x : 0;// don’t rely on unsigned overflow
const bool isDatasetAdjustment = state->viewerState->datasetColortableOn || Dataset::datasets[layerId].renderSettings.bias > 0.0 || Dataset::datasets[layerId].renderSettings.rangeDelta < 1.0;
for (int yzz = 0; yzz < (vp.viewportType == VIEWPORT_XY ? cubeShape.y : cubeShape.z); ++yzz) {
for (int xxy = 0; xxy < (vp.viewportType == VIEWPORT_ZY ? cubeShape.y : cubeShape.x); ++xxy) {
uint8_t r, g, b;
if (isDatasetAdjustment) {
std::tie(r, g, b) = datasetAdjustment(layerId, datacube[0]);
} else {
r = g = b = datacube[0];
}
if (partlyOutsideMovementArea) {
const auto offsetx = Dataset::current().scaleFactor.componentMul(Coordinate(vp.viewportType == VIEWPORT_XY || vp.viewportType == VIEWPORT_XZ, vp.viewportType == VIEWPORT_ZY, 0) * xxy);
const auto offsety = Dataset::current().scaleFactor.componentMul(Coordinate(0, vp.viewportType == VIEWPORT_XY, vp.viewportType == VIEWPORT_XZ || vp.viewportType == VIEWPORT_ZY) * yzz);
if (Annotation::singleton().outsideMovementArea(cubePosInAbsPx + offsetx + offsety)) {
const double d = state->viewerState->outsideMovementAreaFactor / 100.0 + (1 - state->viewerState->outsideMovementAreaFactor / 100.0) * state->viewerState->showOnlyRawData;
r *= d; g *= d; b *= d;
}
}
if (combineType) {
if (combineType.get() == decltype(Dataset::LayerRenderSettings::combineSlicesType)::min) {
slice[0] = std::min(slice[0], r);
slice[1] = std::min(slice[1], g);
slice[2] = std::min(slice[2], b);
} else if (combineType.get() == decltype(Dataset::LayerRenderSettings::combineSlicesType)::max) {
slice[0] = std::max(slice[0], r);
slice[1] = std::max(slice[1], g);
slice[2] = std::max(slice[2], b);
}
} else {
slice[0] = r;
slice[1] = g;
slice[2] = b;
slice[3] = 255;
}
datacube += voxelIncrement;
slice += texNext;
}
datacube += lineIncrement;
slice += texNextLine;
}
}
void Viewer::dcSliceExtract(std::uint8_t * datacube, floatCoordinate *currentPxInDc_float, std::uint8_t * slice, int s, int *t, const floatCoordinate & v2, const std::size_t layerId, float usedSizeInCubePixels) {
Coordinate currentPxInDc = {roundFloat(currentPxInDc_float->x), roundFloat(currentPxInDc_float->y), roundFloat(currentPxInDc_float->z)};
const auto cubeShape = Dataset::current().cubeShape;
if((currentPxInDc.x < 0) || (currentPxInDc.y < 0) || (currentPxInDc.z < 0) ||
(currentPxInDc.x >= cubeShape.x) || (currentPxInDc.y >= cubeShape.y) || (currentPxInDc.z >= cubeShape.z)) {
const int sliceIndex = 3 * ( s + *t * std::ceil(usedSizeInCubePixels));
slice[sliceIndex] = slice[sliceIndex + 1] = slice[sliceIndex + 2] = 0;
slice[sliceIndex + 3] = 255;
(*t)++;
if(*t < usedSizeInCubePixels) {
// Actually, although currentPxInDc_float is passed by reference and updated here,
// it is totally ignored (i.e. not read, then overwritten) by the calling function.
// But to keep the functionality here compatible after this bugfix, we also replicate
// this update here - from the originial below
*currentPxInDc_float -= v2;
}
return;
}
while((0 <= currentPxInDc.x && currentPxInDc.x < cubeShape.x)
&& (0 <= currentPxInDc.y && currentPxInDc.y < cubeShape.y)
&& (0 <= currentPxInDc.z && currentPxInDc.z < cubeShape.z)) {
const int sliceIndex = 4 * ( s + *t * std::ceil(usedSizeInCubePixels));
const int dcIndex = currentPxInDc.x + currentPxInDc.y * cubeShape.x + currentPxInDc.z * cubeShape.x * cubeShape.y;
if(datacube == nullptr) {
slice[sliceIndex] = slice[sliceIndex + 1] = slice[sliceIndex + 2] = 0;
} else {
if (layerId) {
std::tie(slice[sliceIndex + 0], slice[sliceIndex + 1], slice[sliceIndex + 2]) = datasetAdjustment(layerId, datacube[dcIndex]);
}
else {
slice[sliceIndex] = slice[sliceIndex + 1] = slice[sliceIndex + 2] = datacube[dcIndex];
}
}
slice[sliceIndex + 3] = 255;
(*t)++;
if(*t >= usedSizeInCubePixels) {
break;
}
*currentPxInDc_float -= v2;
currentPxInDc = {roundFloat(currentPxInDc_float->x), roundFloat(currentPxInDc_float->y), roundFloat(currentPxInDc_float->z)};
}
}
/**
* @brief Viewer::ocSliceExtract extracts subObject IDs from datacube
* and paints slice at the corresponding position with a color depending on the ID.
* @param datacube pointer to the datacube for data extraction
* @param cubePosInAbsPx smallest coordinates inside the datacube in dataset pixels
* @param slice pointer to a slice in which to draw the overlay
*
* In the first pass all pixels are filled with the color corresponding the subObject-ID.
* In the second pass the datacube is traversed again to find edge voxels, i.e. all voxels
* where at least one of their neighbors (left, right, top, bot) have a different ID than their own.
* The opacity of these voxels is slightly increased to highlight the edges.
*
* Before extraction we determine if the cube is partly outside of the movement area in which case
* each pixel is tested for its position and is omitted if outside of the area.
*
*/
void Viewer::ocSliceExtract(std::uint64_t * datacube, Coordinate cubePosInAbsPx, std::uint8_t * slice, ViewportOrtho & vp, const std::size_t layerId) {
const auto cubeShape = Dataset::datasets[layerId].cubeShape;
// we traverse ZY column first because of better locailty of reference
const std::size_t voxelIncrement = vp.viewportType == VIEWPORT_ZY ? cubeShape.x : 1;
const std::size_t sliceIncrement = vp.viewportType == VIEWPORT_XY ? cubeShape.x : cubeShape.x * cubeShape.y;
const std::size_t lineIncrement = vp.viewportType == VIEWPORT_ZY ? 0 : sliceIncrement - cubeShape.x;
const std::size_t texNext = vp.viewportType == VIEWPORT_ZY ? cubeShape.x * 4 : 4;// RGBA per pixel
const std::ptrdiff_t texNextLine = vp.viewportType == VIEWPORT_ZY ? 4 - 4 * cubeShape.y * cubeShape.x : 0;// don’t rely on unsigned overflow
const auto & seg = Segmentation::singleton();
const auto bgid = layerId == seg.layerId ? seg.getBackgroundId() : 0;
//cache
std::uint64_t subobjectIdCache{bgid};
bool selectedCache{false};
Segmentation::color_t colorCache;
const auto pxOffsetInCube = (Annotation::singleton().movementAreaMin - cubePosInAbsPx) / Dataset::datasets[layerId].scaleFactor;
const auto pxEndInCubeFloat = floatCoordinate(Annotation::singleton().movementAreaMax - cubePosInAbsPx) / Dataset::datasets[layerId].scaleFactor;
int v1size = std::abs(cubeShape.dot(vp.v1));
int v2size = std::abs(cubeShape.dot(vp.v2));
int v1start = std::clamp( vp.v1.dot(pxOffsetInCube), .0f, v1size*1.f);
int v2start = std::clamp(-vp.v2.dot(pxOffsetInCube), .0f, v2size*1.f);
int v1end = std::clamp(std::ceil( vp.v1.dot(pxEndInCubeFloat)), 1.f, v1size*1.f);
int v2end = std::clamp(std::ceil(-vp.v2.dot(pxEndInCubeFloat)), 1.f, v2size*1.f);
// first and last row boundariess
const std::size_t min = v1size;
const std::size_t max = v1size * (v2size - 1);
std::fill(slice, slice + 4*v2start*v1size, 0);
for (std::uint8_t * ptr = slice + 4*v2start*v1size; ptr < slice + 4*v2end*v1size; ptr+=4*v1size) {
std::fill(ptr , ptr + 4*v1start, 0);
std::fill(ptr + 4*v1end, ptr + 4*v1size , 0);
}
std::fill(slice + 4*v2end*v1size, slice + 4*v2size*v1size, 0);
if (vp.viewportType == VIEWPORT_ZY) {// iteration through the cube defines the direction
std::swap(v1size , v2size);
std::swap(v1start, v2start);
std::swap(v1end , v2end);
}
std::size_t counter = v2start * v1size;// slice position
datacube += v2start * (voxelIncrement * v1size + lineIncrement);
slice += v2start * (texNext * v1size + texNextLine);
for (int yzz = v2start; yzz < v2end; ++yzz) {
counter += v1start;
datacube += voxelIncrement * v1start;
slice += texNext * v1start;
for (int xxy = v1start; xxy < v1end; ++xxy) {
const uint64_t subobjectId = datacube[0];
if (subobjectId == bgid) {// blank background
std::fill(slice, slice + 4, 0);
++counter;
datacube += voxelIncrement;
slice += texNext;
continue;
}
const auto queryColor = [&](){
if ((layerId == seg.layerId) && Segmentation::singleton().segmentationColor != SegmentationColor::SubObject) {// apply mergelist
return seg.colorObjectFromSubobjectId(subobjectId);
} else {
return seg.subobjectColor(subobjectId);
}
};
const auto color = (subobjectIdCache == subobjectId) ? colorCache : queryColor();
slice[0] = std::get<0>(color);
slice[1] = std::get<1>(color);
slice[2] = std::get<2>(color);
slice[3] = std::get<3>(color);
const bool selected = layerId == seg.layerId && ((subobjectIdCache == subobjectId) ? selectedCache : seg.isSubObjectIdSelected(subobjectId));
const bool isPastFirstRow = counter >= min;
const bool isBeforeLastRow = counter < max;
const bool isNotFirstColumn = std::fmod(counter, v1size) != 0;
const bool isNotLastColumn = std::fmod((counter + 1), v1size) != 0;
// highlight edges where needed
if(seg.highlightBorder) {
if(seg.hoverVersion) {
uint64_t objectId = seg.tryLargestObjectContainingSubobject(subobjectId);
if (selected && seg.mouseFocusedObjectId == objectId) {
if(isPastFirstRow && isBeforeLastRow && isNotFirstColumn && isNotLastColumn) {
const uint64_t left = seg.tryLargestObjectContainingSubobject(*reinterpret_cast<uint64_t*>(datacube - voxelIncrement));
const uint64_t right = seg.tryLargestObjectContainingSubobject(*reinterpret_cast<uint64_t*>(datacube + voxelIncrement));
const uint64_t top = seg.tryLargestObjectContainingSubobject(*reinterpret_cast<uint64_t*>(datacube - sliceIncrement));
const uint64_t bottom = seg.tryLargestObjectContainingSubobject(*reinterpret_cast<uint64_t*>(datacube + sliceIncrement));
//enhance alpha of this voxel if any of the surrounding voxels belong to another object
if (objectId != left || objectId != right || objectId != top || objectId != bottom) {
slice[3] = std::min(255, slice[3]*4);
}
}
}
}
else if (selected && isPastFirstRow && isBeforeLastRow && isNotFirstColumn && isNotLastColumn) {
const uint64_t left = datacube[-voxelIncrement];
const uint64_t right = datacube[+voxelIncrement];
const uint64_t top = datacube[-sliceIncrement];
const uint64_t bottom = datacube[+sliceIncrement];
//enhance alpha of this voxel if any of the surrounding voxels belong to another subobject
if (subobjectId != left || subobjectId != right || subobjectId != top || subobjectId != bottom) {
slice[3] = std::min(255, slice[3]*4);
}
}
}
//fill cache
subobjectIdCache = subobjectId;
colorCache = color;
selectedCache = selected;
++counter;
datacube += voxelIncrement;
slice += texNext;
}
counter += (v1size - v1end);
datacube += voxelIncrement * (v1size - v1end);
slice += texNext * (v1size - v1end);
datacube += lineIncrement;
slice += texNextLine;
}
}
void Viewer::vpGenerateTexture(ViewportOrtho & vp, const std::size_t layerId) {
// Load the texture for a viewport by going through all relevant datacubes and copying slices
// from those cubes into the texture.
vp.texture.texData[layerId].resize(4 * std::pow(vp.texture.size, 2));
if (vp.viewportType == VIEWPORT_ARBITRARY) {
vpGenerateTexture(static_cast<ViewportArb&>(vp), layerId);
return;
}
const int multiSliceiMax = Dataset::datasets[layerId].renderSettings.combineSlicesEnabled
* Dataset::datasets[layerId].renderSettings.combineSlices
* ((vp.viewportType == VIEWPORT_XY) || !Dataset::datasets[layerId].renderSettings.combineSlicesXyOnly);
bool first{true};
const auto cubeShape = Dataset::datasets[layerId].cubeShape;
auto for_each_resliced_cube_do = [this, layerId, cubeShape, &vp](const CoordOfCube upperLeftDc, auto func){
for (int x_dc = 0; x_dc < state->M; ++x_dc) {
for (int y_dc = 0; y_dc < state->M; ++y_dc) {
const auto v1dc = vp.v1 * x_dc, v2dc = vp.v2 * -y_dc;// v2 is negative
CoordOfCube currentDc{upperLeftDc + CoordOfCube(v1dc.x, v1dc.y, v1dc.z) + CoordOfCube(v2dc.x, v2dc.y, v2dc.z)};
if (!vp.resliceNecessary[layerId] && vp.resliceNecessaryCubes[layerId].find(currentDc) == std::end(vp.resliceNecessaryCubes[layerId])) {
continue;
}
const int index = 4 * (y_dc * viewerState.texEdgeLength * cubeShape.x + x_dc * cubeShape.y * cubeShape.x);
func(x_dc, y_dc, currentDc, index);
}
}
};
for (int multiSlicei{-multiSliceiMax}; multiSlicei <= multiSliceiMax; ++multiSlicei) {
const auto offset = vp.n.componentMul(Dataset::datasets[layerId].scaleFactor) * multiSlicei;
const auto cpos = state->viewerState->currentPosition;
const auto offsetCube = Dataset::datasets[layerId].global2cube(cpos + offset) - Dataset::datasets[layerId].global2cube(cpos);
const auto & [min, max] = state->viewerState->showOnlyRawData ? std::pair(Coordinate(0, 0, 0), Dataset::datasets[layerId].boundary)
: std::pair(Annotation::singleton().movementAreaMin, Annotation::singleton().movementAreaMax);
const CoordInCube currentPosition_inside_dc = (cpos + offset)
.capped(min, max)
.insideCube(cubeShape, Dataset::datasets[layerId].scaleFactor);
if (Annotation::singleton().outsideMovementArea(state->viewerState->currentPosition + offset) && !state->viewerState->showOnlyRawData) {
continue;
}
// We iterate over the texture with x and y being in a temporary coordinate
// system local to this texture.
if (!vp.resliceNecessary[layerId] && vp.resliceNecessaryCubes[layerId].empty()) {
return;
}
const CoordOfCube upperLeftDc = Dataset::datasets[layerId].global2cube(vp.texture.leftUpperPxInAbsPx) + offsetCube;
QFutureSynchronizer<void> sync;
for_each_resliced_cube_do(upperLeftDc, [this, cubeShape, layerId, &vp, &sync, currentPosition_inside_dc, first](auto, auto, auto currentDc, auto index){
int slicePositionWithinCube = vp.n.componentMul(currentPosition_inside_dc.componentMul(Coordinate{1, cubeShape.x, cubeShape.y * cubeShape.x})).length();
Coordinate offsetCubeGlobal = vp.n.componentMul(vp.n.componentMul(currentPosition_inside_dc));// ensure n is positive by multiplying with itself
state->protectCube2Pointer.lock();
void * const cube = cubeQuery(state->cube2Pointer, layerId, Dataset::datasets[layerId].magIndex, currentDc);
state->protectCube2Pointer.unlock();
// Take care of the data textures.
Coordinate slicePosInAbsPx = Dataset::datasets[layerId].cube2global(currentDc) + Dataset::datasets[layerId].scaleFactor.componentMul(offsetCubeGlobal);
// This is used to index into the texture. overlayData[index] is the first
// byte of the datacube slice at position (x_dc, y_dc) in the texture.
sync.addFuture(QtConcurrent::run([this, &vp, cube, first, slicePositionWithinCube, slicePosInAbsPx, index, layerId, cubeShape]() {
if (cube != nullptr) {
if (Dataset::datasets[layerId].isOverlay()) {
ocSliceExtract(reinterpret_cast<std::uint64_t *>(cube) + slicePositionWithinCube, slicePosInAbsPx, vp.texture.texData[layerId].data() + index, vp, layerId);
} else {
const auto combine = boost::make_optional(!first, Dataset::datasets[layerId].renderSettings.combineSlicesType);
dcSliceExtract(reinterpret_cast<std::uint8_t *>(cube) + slicePositionWithinCube, slicePosInAbsPx, vp.texture.texData[layerId].data() + index, vp, layerId, combine);
}
} else {
std::fill(vp.texture.texData[layerId].data() + index, vp.texture.texData[layerId].data() + index + 4 * cubeShape.y * cubeShape.x, 0);
}
}));
});
sync.waitForFinished();
first = false;
}
vp.texture.texHandle[layerId].bind();
const CoordOfCube upperLeftDc = Dataset::datasets[layerId].global2cube(vp.texture.leftUpperPxInAbsPx);
for_each_resliced_cube_do(upperLeftDc, [cubeShape, layerId, &vp](auto x_dc, auto y_dc, auto, auto index){
glTexSubImage2D(GL_TEXTURE_2D, 0, x_dc * cubeShape.componentMul(vp.v1).length(), y_dc * cubeShape.componentMul(vp.v2).length(), cubeShape.x, cubeShape.y, GL_RGBA, GL_UNSIGNED_BYTE, vp.texture.texData[layerId].data() + index);
});
vp.texture.texHandle[layerId].release();
glBindTexture(GL_TEXTURE_2D, 0);
vp.resliceNecessary[layerId] = false;
vp.resliceNecessaryCubes[layerId].clear();
}
void Viewer::arbCubes(ViewportArb & vp) {
if (Dataset::datasets.size() == layers.size()) {
for (auto && [dataset, texturelayer] : boost::combine(Dataset::datasets, layers)) {
arbCubes(vp, dataset, texturelayer);
}
}
}
void Viewer::arbCubes(ViewportArb & vp, const Dataset & dset, TextureLayer & textureLayer) {
const auto pointInCube = [&shape = dset.gpuCubeShape](const Coordinate currentDC, const floatCoordinate point) {
return currentDC.x * shape.x <= point.x && point.x <= currentDC.x * shape.x + shape.x &&
currentDC.y * shape.y <= point.y && point.y <= currentDC.y * shape.y + shape.y &&
currentDC.z * shape.z <= point.z && point.z <= currentDC.z * shape.z + shape.z;
};
const floatCoordinate xAxis = {1, 0, 0}; const floatCoordinate yAxis = {0, 1, 0}; const floatCoordinate zAxis = {0, 0, 1};
const auto normal = vp.n;// the normal vector direction is not important here because it doesn’t change the plane
textureLayer.pendingArbCubes.clear();
for (auto & pair : textureLayer.textures) {
pair.second->vertices.clear();
}
const auto gpusupercube = (state->M - 1) * dset.cubeShape / dset.gpuCubeShape + 1;//remove cpu overlap and add gpu overlap
const auto scroot = (state->viewerState->currentPosition / dset.gpuCubeShape) - gpusupercube / 2;
floatCoordinate root = vp.texture.leftUpperPxInAbsPx / dset.scaleFactor;
for (int z = 0; z < gpusupercube.z; ++z)
for (int y = 0; y < gpusupercube.y; ++y)
for (int x = 0; x < gpusupercube.x; ++x) {
Coordinate currentGPUDc = scroot + Coordinate{x, y, z};
if (currentGPUDc.x < 0 || currentGPUDc.y < 0 || currentGPUDc.z < 0) {
continue;
}
floatCoordinate topPlaneUpVec = currentGPUDc.componentMul(dset.gpuCubeShape);
floatCoordinate bottomPlaneUpVec = currentGPUDc.componentMul(dset.gpuCubeShape) + dset.gpuCubeShape.componentMul(floatCoordinate(1,1,0));
floatCoordinate leftPlaneUpVec = currentGPUDc.componentMul(dset.gpuCubeShape) + dset.gpuCubeShape.componentMul(floatCoordinate(0,1,1));
floatCoordinate rightPlaneUpVec = currentGPUDc.componentMul(dset.gpuCubeShape) + dset.gpuCubeShape.componentMul(floatCoordinate(1,0,1));
std::vector<floatCoordinate> points;
auto addPoints = [&](const floatCoordinate & plane, const floatCoordinate & axis){
floatCoordinate point;
if (intersectLineAndPlane(normal, root, plane, axis, point)) {
if (pointInCube(currentGPUDc, point)) {
points.emplace_back(point);
}
}
};
addPoints(topPlaneUpVec, xAxis);
addPoints(topPlaneUpVec, yAxis);
addPoints(topPlaneUpVec, zAxis);
addPoints(bottomPlaneUpVec, xAxis * -1);
addPoints(bottomPlaneUpVec, yAxis * -1);
addPoints(bottomPlaneUpVec, zAxis);
addPoints(leftPlaneUpVec, xAxis);
addPoints(leftPlaneUpVec, yAxis * -1);
addPoints(leftPlaneUpVec, zAxis * -1);
addPoints(rightPlaneUpVec, xAxis * -1);
addPoints(rightPlaneUpVec, yAxis);
addPoints(rightPlaneUpVec, zAxis * -1);
if (!points.empty()) {
const auto center = std::accumulate(std::begin(points), std::end(points), floatCoordinate{}) / points.size();
const auto first = points.front() - center;
std::sort(std::begin(points), std::end(points), [=](const floatCoordinate & lhs, const floatCoordinate & rhs){
// http://stackoverflow.com/questions/14066933/direct-way-of-computing-clockwise-angle-between-2-vectors#16544330
const auto line0 = lhs - center;
const auto line1 = rhs - center;
// move radiant angle range from [-ⲡ, ⲡ] into positive (4 > ⲡ) for < to work correctly
const auto radiant0 = std::atan2(normal.dot(first.cross(line0)), first.dot(line0)) + 4;
const auto radiant1 = std::atan2(normal.dot(first.cross(line1)), first.dot(line1)) + 4;
return radiant0 < radiant1;
});
const auto prevSize = points.size();
points.erase(std::unique(std::begin(points), std::end(points)), std::end(points));
if (prevSize != points.size()) {
qDebug() << prevSize << points.size();
}
// if the arb plane is parallel to one of the coordinate axis
// the intersection test will be true for adjacent cubes on cube boundaries
// because the edge coordinates at the end of a cube are inclusive to render across the last pixel
bool moreThanXEndBorder{false}, moreThanYEndBorder{false}, moreThanZEndBorder{false};
for (auto & point : points) {
if (point.x != rightPlaneUpVec.x) {
moreThanXEndBorder = true;
}
if (point.y != bottomPlaneUpVec.y) {
moreThanYEndBorder = true;
}
if (point.z != leftPlaneUpVec.z) {
moreThanZEndBorder = true;
}
}
if (moreThanXEndBorder && moreThanYEndBorder && moreThanZEndBorder) {
const CoordOfGPUCube gpuCoord{currentGPUDc.x, currentGPUDc.y, currentGPUDc.z};
const auto globalCoord = gpuCoord.cube2Global(dset.gpuCubeShape, dset.scaleFactor);
auto cubeIt = textureLayer.textures.find(gpuCoord);
if (cubeIt != std::end(textureLayer.textures)) {
cubeIt->second->vertices = /*std::move*/(points);
} else {
const auto cubeCoord = Dataset::current().global2cube(globalCoord);
const auto offset = globalCoord - Dataset::current().cube2global(cubeCoord);
textureLayer.pendingArbCubes.emplace_back(gpuCoord, offset);
}
}
}
}
}
void Viewer::setEnableArbVP(const bool on) {
viewerState.enableArbVP = on;
emit enabledArbVP(on);
}
void Viewer::setDefaultVPSizeAndPos(const bool on) {
state->viewerState->defaultVPSizeAndPos = on;
emit changedDefaultVPSizeAndPos();
}
void Viewer::vpGenerateTexture(ViewportArb &vp, const std::size_t layerId) {
if (Dataset::datasets[layerId].isOverlay() || !vp.resliceNecessary[layerId]) {
return;
}
vp.resliceNecessary[layerId] = false;
// Load the texture for a viewport by going through all relevant datacubes and copying slices
// from those cubes into the texture.
floatCoordinate currentPxInDc_float, rowPx_float, currentPx_float;
rowPx_float = vp.texture.leftUpperPxInAbsPx / Dataset::datasets[layerId].scaleFactor;
currentPx_float = rowPx_float;
static std::vector<std::uint8_t> texData;// reallocation for every run would be a waste
texData.resize(4 * std::pow(std::ceil(vp.texture.usedSizeInCubePixels), 2), 0);
int s = 0, t = 0, t_old = 0;
while(s < vp.texture.usedSizeInCubePixels) {
t = 0;
while(t < vp.texture.usedSizeInCubePixels) {
Coordinate currentPx = {roundFloat(currentPx_float.x), roundFloat(currentPx_float.y), roundFloat(currentPx_float.z)};
Coordinate currentDc = currentPx / Dataset::datasets[layerId].cubeShape;
if(currentPx.x < 0) { currentDc.x -= 1; }
if(currentPx.y < 0) { currentDc.y -= 1; }
if(currentPx.z < 0) { currentDc.z -= 1; }
state->protectCube2Pointer.lock();
void * const datacube = cubeQuery(state->cube2Pointer, layerId, Dataset::datasets[layerId].magIndex, {currentDc.x, currentDc.y, currentDc.z});
state->protectCube2Pointer.unlock();
currentPxInDc_float = currentPx_float - currentDc * Dataset::datasets[layerId].cubeShape.componentMul(vp.v1).length();
t_old = t;
dcSliceExtract(reinterpret_cast<std::uint8_t *>(datacube), ¤tPxInDc_float, texData.data(), s, &t, vp.v2, layerId, vp.texture.usedSizeInCubePixels);
currentPx_float = currentPx_float - vp.v2 * (t - t_old);
}
s++;
rowPx_float += vp.v1;
currentPx_float = rowPx_float;
}
vp.texture.texHandle[layerId].bind();
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, std::ceil(vp.texture.usedSizeInCubePixels), std::ceil(vp.texture.usedSizeInCubePixels), GL_RGBA, GL_UNSIGNED_BYTE, texData.data());
vp.texture.texHandle[layerId].release();
glBindTexture(GL_TEXTURE_2D, 0);
}
void Viewer::calcLeftUpperTexAbsPx() {
window->forEachOrthoVPDo([this](ViewportOrtho & orthoVP) {
const auto fov = orthoVP.texture.usedSizeInCubePixels;
const auto xy = orthoVP.viewportType == VIEWPORT_XY;
const auto xz = orthoVP.viewportType == VIEWPORT_XZ;
const auto zy = orthoVP.viewportType == VIEWPORT_ZY;
const auto offset = Dataset::current().scaleFactor.componentMul(Coordinate{xy || xz, xy || zy, xz || zy}) * fov / 2;
const auto leftUpperDc = Dataset::current().global2cube(viewerState.currentPosition - offset);
orthoVP.texture.leftUpperPxInAbsPx = Dataset::current().cube2global(leftUpperDc);
if (orthoVP.viewportType == VIEWPORT_ARBITRARY) {
auto & arbVP = static_cast<ViewportArb&>(orthoVP);
arbVP.leftUpperPxInAbsPx_float = floatCoordinate{viewerState.currentPosition} - Dataset::current().scaleFactor.componentMul((orthoVP.v1 - orthoVP.v2) * 0.5 * fov);// broken arb slicing depends on this
arbVP.texture.leftUpperPxInAbsPx = arbVP.leftUpperPxInAbsPx_float;
}
});
}
void Viewer::calcDisplayedEdgeLength() {
window->forEachOrthoVPDo([](ViewportOrtho & vpOrtho){
const auto & layer = Dataset::current();
auto & texture = vpOrtho.texture;
const auto voxelV1X = layer.scale.componentMul(vpOrtho.v1).length() / layer.scale.x;
const auto voxelV2X = std::abs(layer.scale.componentMul(vpOrtho.v2).length()) / layer.scale.x;
const auto voxelV1Xmag1 = layer.scales[0].componentMul(vpOrtho.v1).length() / layer.scales[0].x;
const auto voxelV2Xmag1 = std::abs(layer.scales[0].componentMul(vpOrtho.v2).length()) / layer.scales[0].x;
texture.texUsedX = texture.usedSizeInCubePixels / texture.size * texture.FOV / voxelV1X;
texture.texUsedY = texture.usedSizeInCubePixels / texture.size * texture.FOV / voxelV2X;
vpOrtho.displayedIsoPx = layer.scales[0].x * 0.5 * texture.usedSizeInCubePixels * texture.FOV * layer.magnification;// FOV is within current mag
const auto dataPx = texture.usedSizeInCubePixels * texture.FOV * layer.magnification;
vpOrtho.screenPxXPerDataPx = vpOrtho.edgeLength / dataPx * voxelV1X;
vpOrtho.screenPxXPerMag1Px = vpOrtho.edgeLength / dataPx * voxelV1Xmag1;
vpOrtho.screenPxYPerMag1Px = vpOrtho.edgeLength / dataPx * voxelV2Xmag1;
vpOrtho.displayedlengthInNmX = layer.scales[0].componentMul(vpOrtho.v1).length() * (texture.texUsedX / texture.texUnitsPerDataPx);
});
}
void Viewer::zoom(const float factor) {
const auto & texture = viewportXY->texture;
const bool reachedHighestMag = Dataset::current().magnification == Dataset::current().highestAvailableMag;
const bool reachedLowestMag = Dataset::current().magnification == Dataset::current().lowestAvailableMag;
const bool reachedMinZoom = texture.FOV * factor > VPZOOMMIN && reachedHighestMag;
const bool reachedMaxZoom = texture.FOV * factor < VPZOOMMAX && reachedLowestMag;
const bool magUp = texture.FOV == VPZOOMMIN && factor > 1 && !reachedHighestMag;
const bool magDown = texture.FOV == 0.5 && factor < 1 && !reachedLowestMag;
const auto updateFOV = [this](const float newFOV) {
window->forEachOrthoVPDo([&newFOV](ViewportOrtho & orthoVP) {
orthoVP.texture.FOV = newFOV;
});
};
auto newMag = Dataset::current().magnification;
if (reachedMinZoom) {
updateFOV(VPZOOMMIN);
} else if (reachedMaxZoom) {
updateFOV(VPZOOMMAX);
} else if (state->viewerState->datasetMagLock) {
updateFOV(texture.FOV * factor > VPZOOMMIN ? VPZOOMMIN :
texture.FOV * factor < VPZOOMMAX ? VPZOOMMAX :
texture.FOV * factor);
} else if (magUp) {
newMag *= 2;
updateFOV(0.5);
} else if (magDown) {
newMag /= 2;
updateFOV(VPZOOMMIN);
} else {
const float zoomMax = Dataset::current().magnification == Dataset::current().lowestAvailableMag ? VPZOOMMAX : 0.5;
updateFOV(std::max(std::min(texture.FOV * factor, static_cast<float>(VPZOOMMIN)), zoomMax));
}
if (newMag != Dataset::current().magnification) {
updateDatasetMag(newMag);
}
recalcTextureOffsets();
emit zoomChanged();
}
void Viewer::zoomReset() {
state->viewer->window->forEachOrthoVPDo([](ViewportOrtho & orthoVP){
orthoVP.texture.FOV = 1;
});
recalcTextureOffsets();
emit zoomChanged();
}
bool Viewer::updateDatasetMag(const int mag) {
Loader::Controller::singleton().unloadCurrentMagnification(); //unload all the cubes
if (mag != 0) {// change global mag after unloading
const bool powerOf2 = mag > 0 && (mag & (mag - 1)) == 0;
if (!powerOf2 || mag < Dataset::current().lowestAvailableMag || mag > Dataset::current().highestAvailableMag) {
return false;
}
for (auto && layer : Dataset::datasets) {
layer.magnification = mag;
layer.magIndex = static_cast<std::size_t>(std::log2(mag));
if (layer.scales.size() > layer.magIndex) {
layer.scale = layer.scales[layer.magIndex];
layer.scaleFactor = layer.scale / layer.scales[0];
}
window->forEachOrthoVPDo([mag](ViewportOrtho & orthoVP) {
orthoVP.texture.texUnitsPerDataPx = 1.f / state->viewerState->texEdgeLength / mag;
});
}
}
recalcTextureOffsets();
//clear the viewports
reslice_notify();
loader_notify();//start loading
emit zoomChanged();
return true;
}
/**
* @brief This method is used for the Viewer-Thread declared in main(knossos.cpp)
* This is the old viewer() function from KNOSSOS 3.2
* It works as follows:
* - The viewer get initialized
* - The rendering loop starts:
* - lists of pending texture parts are iterated and loaded if they are available
* - TODO: The Eventhandling in QT works asnyc, new concept are currently in progress
* - the loadSignal occurs in three different locations:
* - initViewer
* - userMove
*
*/
//Entry point for viewer thread, general viewer coordination, "main loop"
void Viewer::run() {
if (state->quitSignal) {//don’t do anything, when the rest is already going to sleep
timer.stop();
qDebug() << "viewer returned";
return;
}
// start the timer before the rendering, else render interval and actual rendering time would accumulate
if (timer.isActive()) {
timer.stop();
timer.start(500);// rerun occasionally in case an explicit update is missing somewhere
}
if (viewerState.keyRepeat) {
const double interval = 1000.0 / viewerState.movementSpeed;
if (keyRepeatTimer.elapsed() >= interval) {
const auto multiplier = viewerState.notFirstKeyRepeat * keyRepeatTimer.elapsed() / interval;
viewerState.notFirstKeyRepeat = true;// first repeat should only move 1 slice
keyRepeatTimer.restart();
userMove(viewerState.repeatDirection * multiplier, USERMOVE_DRILL);
}
}
// Event and rendering loop.
// What happens is that we go through lists of pending texture parts and load
// them if they are available.
// While we are loading the textures, we check for events. Some events
// might cancel the current loading process. When all textures
// have been processed, we go into an idle state, in which we wait for events.
if (state->gpuSlicer && gpuRendering) {
const auto & loadPendingCubes = [&](const Dataset & dset, TextureLayer & layer, auto layerId, std::vector<std::pair<CoordOfGPUCube, Coordinate>> & pendingCubes, QElapsedTimer & timer) {
while (!pendingCubes.empty() && !timer.hasExpired(30)) {
const auto pair = pendingCubes.back();
pendingCubes.pop_back();
if (layer.textures.find(pair.first) == std::end(layer.textures)) {
const auto globalCoord = pair.first.cube2Global(dset.gpuCubeShape, dset.scaleFactor);
const auto cubeCoord = dset.global2cube(globalCoord);
state->protectCube2Pointer.lock();
const auto * ptr = cubeQuery(state->cube2Pointer, layerId, dset.magIndex, cubeCoord);
state->protectCube2Pointer.unlock();
if (ptr != nullptr) {
layer.cubeSubArray(ptr, dset.cubeShape, dset.gpuCubeShape, pair.first, pair.second);
}
}
}
};
QElapsedTimer timer;
timer.start();
qDebug() << "loadPendingCubes";
std::size_t id{};
for (auto && [dset, textures] : boost::combine(Dataset::datasets, layers)) {
calculateMissingOrthoGPUCubes(dset, textures);
qDebug() << textures.pendingOrthoCubes.size() << textures.pendingArbCubes.size() << textures.textures.size();
loadPendingCubes(dset, textures, id, textures.pendingOrthoCubes, timer);
loadPendingCubes(dset, textures, id, textures.pendingArbCubes, timer);
++id;
}
qDebug() << "loadPendingCubes" << timer.nsecsElapsed()/1e6;
}
window->forEachOrthoVPDo([](ViewportOrtho & vp) {
vp.update();
});
window->viewport3D->update();
}
void Viewer::applyTextureFilterSetting(const QOpenGLTexture::Filter texFiltering) {
viewerState.textureFilter = texFiltering;
for (std::size_t layerId{0}; layerId < Dataset::datasets.size(); ++layerId) {
if (!Dataset::datasets[layerId].isOverlay()) {
Dataset::datasets[layerId].renderSettings.textureFilter = texFiltering;
} else {// overlay should have sharp edges by default
Dataset::datasets[layerId].renderSettings.textureFilter = QOpenGLTexture::Nearest;
}
}
window->forEachOrthoVPDo([](ViewportOrtho & orthoVP) {
orthoVP.applyTextureFilter();
});
emit layerRenderSettingsChanged();
}
void Viewer::updateCurrentPosition() {
auto & annotation = Annotation::singleton();
if (annotation.outsideMovementArea(state->viewerState->currentPosition)) {
const Coordinate currPos = state->viewerState->currentPosition;
const auto & [min, max] = state->viewerState->showOnlyRawData ? std::pair(Coordinate(0, 0, 0), Dataset::current().boundary)
: std::pair(Annotation::singleton().movementAreaMin, Annotation::singleton().movementAreaMax);
const Coordinate newPos = state->viewerState->currentPosition.capped(min, max);
userMove(newPos - currPos, USERMOVE_NEUTRAL);
}
}
void Viewer::setPosition(const floatCoordinate & pos, UserMoveType userMoveType, const Coordinate & viewportNormal) {
const auto deltaPos = pos - state->viewerState->currentPosition;
userMove(deltaPos, userMoveType, viewportNormal);
userMoveRound(userMoveType, viewportNormal);
}
void Viewer::setPositionWithRecentering(const Coordinate &pos) {
remote.process(pos);
}
void Viewer::setPositionWithRecenteringAndRotation(const Coordinate &pos) {
remote.process(pos, true);
}
void Viewer::userMoveVoxels(const Coordinate & step, UserMoveType userMoveType, const floatCoordinate & viewportNormal) {
auto & viewerState = *state->viewerState;
boost::container::static_vector<ViewportOrtho*, 4> resliceVPs;
if (step.z != 0) {
resliceVPs.emplace_back(viewportXY);
}
if (step.x != 0) {
resliceVPs.emplace_back(viewportZY);
}
if (step.y != 0) {
resliceVPs.emplace_back(viewportXZ);
}