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[dualcomwrapper] enable software triggering

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This commit is contained in:
Jan Grewe 2025-03-12 11:01:50 +01:00
parent 12c2f6292f
commit 4f2d45df6b
4 changed files with 77 additions and 43 deletions
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87
dualcamgrabber.cpp
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@ -13,46 +13,55 @@ void DualcamGrabber::run() {
stop_request = false;
size_t counter = 0;
if (wrapper->isOpen()) {
Pylon::CInstantCameraArray &cameras = wrapper->getCameraArray();
wrapper->frameRate(static_cast<uint>(framerate), -1);
wrapper->exposureTime(exposure);
wrapper->gain(gain);
if (!wrapper->isOpen()) {
return;
}
cameras.StartGrabbing();
Pylon::CGrabResultPtr frame0, frame1;
Pylon::CPylonImage leftImage;
Pylon::CPylonImage rightImage;
Pylon::CPylonImage stitchedImage;
std::string errorMessage = "";
Pylon::CInstantCameraArray &cameras = wrapper->getCameraArray();
wrapper->frameRate(static_cast<uint>(framerate), -1);
wrapper->exposureTime(exposure);
wrapper->gain(gain);
while (cameras.IsGrabbing() && !stop_request) {
auto before = high_resolution_clock::now();
try {
cameras[0].RetrieveResult( 5000, frame0, Pylon::TimeoutHandling_ThrowException );
cameras[1].RetrieveResult( 5000, frame1, Pylon::TimeoutHandling_ThrowException );
leftImage.AttachGrabResultBuffer( frame0 );
rightImage.AttachGrabResultBuffer( frame1 );
} catch(const std::exception& e) {
qDebug() << "Grabbing frame failed! " << e.what();
}
auto after = high_resolution_clock::now();
if (leftImage.IsValid() && rightImage.IsValid()) {
try {
StitchImage::StitchToRight(leftImage, rightImage, &stitchedImage, errorMessage);
MyImage *img = new MyImage(stitchedImage.GetWidth(), stitchedImage.GetHeight());
img->setFrame(stitchedImage);
buffer->push(img);
} catch(const std::exception& e) {
std::cerr << e.what() << '\n';
}
}
auto stitch = high_resolution_clock::now();
auto grab_duration = duration_cast<microseconds>(after - before);
auto stitch_duration = duration_cast<microseconds>(stitch - after);
std::cerr << "framecount: " << counter << " grab_duration (us): " << grab_duration.count() << "\t" << " stitching (us): " << stitch_duration.count() << std::endl;
counter += 1;
cameras.StartGrabbing();
Pylon::CGrabResultPtr frame0, frame1;
Pylon::CPylonImage leftImage;
Pylon::CPylonImage rightImage;
Pylon::CPylonImage stitchedImage;
std::string errorMessage = "";
while (cameras.IsGrabbing() && !stop_request) {
auto before = high_resolution_clock::now();
auto after1 = high_resolution_clock::now();
try {
cameras[0].RetrieveResult( 5000, frame0, Pylon::TimeoutHandling_ThrowException );
after1 = high_resolution_clock::now();
cameras[1].RetrieveResult( 5000, frame1, Pylon::TimeoutHandling_ThrowException );
leftImage.AttachGrabResultBuffer( frame0 );
rightImage.AttachGrabResultBuffer( frame1 );
} catch(const std::exception& e) {
qDebug() << "Grabbing frame failed! " << e.what();
}
auto after = high_resolution_clock::now();
if (leftImage.IsValid() && rightImage.IsValid()) {
try {
StitchImage::StitchToRight(leftImage, rightImage, &stitchedImage, errorMessage);
MyImage *img = new MyImage(stitchedImage.GetWidth(), stitchedImage.GetHeight());
img->setFrame(stitchedImage);
buffer->push(img);
} catch(const std::exception& e) {
std::cerr << e.what() << '\n';
}
}
cameras.StopGrabbing();
}
auto stitch = high_resolution_clock::now();
auto grab_duration = duration_cast<microseconds>(after - before);
auto grab1_duration = duration_cast<microseconds>(after1 - before);
auto stitch_duration = duration_cast<microseconds>(stitch - after);
std::cerr << "framecount: " << counter << " grab_duration (us): " << grab_duration.count() << "\t" << " stitching (us): " << stitch_duration.count() << " grab1_duration (us): " << grab1_duration.count() << std::endl;
counter += 1;
auto done = high_resolution_clock::now();
auto total_duration = duration_cast<microseconds>(done - before);
double rate = (1./((double)total_duration.count()/1000000));
std::cerr << "total_duration (us): " << total_duration.count() << " rate: " << rate << std::endl;
}
cameras.StopGrabbing();
}

28
dualcamwrapper.cpp
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@ -284,7 +284,7 @@ void DualcamWrapper::closeCameras() {
}
Pylon::CInstantCameraArray &DualcamWrapper::getCameraArray() {
return cameras;
return cameras;
}
// Pylon::CInstantCamera DualcamWrapper::getCamera(int camindex) {
@ -293,6 +293,28 @@ Pylon::CInstantCameraArray &DualcamWrapper::getCameraArray() {
GenApi::INodeMap& DualcamWrapper::getNodemap(int camindex){
GenApi::INodeMap &nodemap = cameras[camindex].GetNodeMap();
return nodemap;
GenApi::INodeMap &nodemap = cameras[camindex].GetNodeMap();
return nodemap;
}
void DualcamWrapper::enableSoftwareTrigger(int camindex){
GenApi::INodeMap &nodemap = getNodemap( camindex );
// Enable triggered image acquisition for the Frame Start trigger
Pylon::CEnumParameter(nodemap, "TriggerMode").SetValue("On");
// Set the trigger source to Line 1
Pylon::CEnumParameter(nodemap, "TriggerSource").SetValue("Line1");
// Set the trigger activation mode to level high
Pylon::CEnumParameter(nodemap, "TriggerActivation").SetValue("LevelHigh");
}
void DualcamWrapper::disableSoftwareTrigger(int camindex){
GenApi::INodeMap& nodemap = getNodemap(camindex);
// Disable triggered image acquisition for the Frame Start trigger
Pylon::CEnumParameter(nodemap, "TriggerMode").SetValue("Off");
}
bool DualcamWrapper::softwareTriggerEnabeled(int camindex){
GenApi::INodeMap& nodemap = getNodemap(camindex);
// Get the current state.
return Pylon::CEnumParameter(nodemap, "TriggerMode").GetValue() == "On";
}

3
dualcamwrapper.h
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@ -30,6 +30,9 @@ public:
bool exposureTime(double exposure_time, int camindex=-1);
double gain(int camindex);
bool gain(double gain_db, int camindex=-1);
void enableSoftwareTrigger(int camindex);
void disableSoftwareTrigger(int camindex);
bool softwareTriggerEnabeled(int camindex);
Pylon::CInstantCameraArray &getCameraArray();
private:

2
pylonrecorder.cpp
View File

@ -684,7 +684,7 @@ void PylonRecorder::connectCamera() {
dualcam = new DualcamWrapper(layout);
bool success = dualcam->openCameras(message);
if (success) {
qDebug()::cerr << "dual camera connected\n";
qDebug() << "Dual cameras connected";
cameraConnectedLabel->setText("connected");
cameraConnectedLabel->setStyleSheet("QLabel { font-size: 10px;font-family: Arial;color: green;}");
cameraOpened = true;