jgrewe/mini_pylon
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support x and y offset settings

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This commit is contained in:
Jan Grewe 2025-07-08 15:30:16 +02:00
parent 108e9f10c9
commit 8da179cd6f
1 changed files with 44 additions and 14 deletions
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58
minimal_pylon.cpp
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@ -34,6 +34,18 @@ typedef high_resolution_clock Time;
typedef milliseconds ms;
typedef duration<float> fsec;
uint32_t sensorHeight(CInstantCamera &camera) {
CIntegerParameter maxheight( camera.GetNodeMap(), "SensorHeight" );
return maxheight.GetValue();
}
uint32_t sensorWidth(CInstantCamera &camera) {
CIntegerParameter maxwidth( camera.GetNodeMap(), "SensorWidth" );
return maxwidth.IsValid() && maxwidth.IsReadable() ? maxwidth.GetValue() : 0;
}
//void exposureTime(double exposure_time);
int main( int argc, char* argv[] ) {
uint32_t frameCount = 100;
size_t maxCameras = 1;
@ -44,6 +56,8 @@ int main( int argc, char* argv[] ) {
uint32_t quality = 50;
int cWidth = 2000; //2592;
int cHeight = 2000; //2048;
int xOffset = 0;
int yOffset = 0;
int camIndex = 0;
string errorMessage = "";
String_t filename = "_TestVideo.mp4";
@ -56,6 +70,8 @@ int main( int argc, char* argv[] ) {
<< "\t --help|? \t this help\n"
<< "\t --width|-w \t the image width in pixel, defaults to 2000\n"
<< "\t --height|-h \t the image height in pixel, defaults to 2000\n"
<< "\t --xoffs|-x \t image x offset in pixel, defaults to 0\n"
<< "\t --yoffs|-y \t image y-offset in pixel, defaults to 0\n"
<< "\t --cameras|-c \t the desired number of cameras to grab at the same time, defaults to 1\n"
<< "\t --framecount|-n \t the number of frames, defaults to 100\n"
<< "\t --quality|-q \t the qualtiy of the compression (0 < q <= 100), defaults to 50\n"
@ -78,6 +94,12 @@ int main( int argc, char* argv[] ) {
if ((arg == "--height" || arg == "-h") && i + 1 < argc) {
cHeight = std::atoi(argv[++i]);
}
if ((arg == "--xoffs" || arg == "-x") && i + 1 < argc) {
xOffset = std::atoi(argv[++i]);
}
if ((arg == "--yoffs" || arg == "-y") && i + 1 < argc) {
yOffset = std::atoi(argv[++i]);
}
if ((arg == "--index" || arg == "-i") && i + 1 < argc) {
camIndex = std::atoi(argv[++i]);
}
@ -91,18 +113,15 @@ int main( int argc, char* argv[] ) {
if ((arg == "--outfile" || arg == "-o") && i + 1 < argc) {
filename = Pylon::String_t(argv[++i]);
}
}
PylonInitialize();
try {
// Check if CVideoWriter is supported and all DLLs are available.
if (!CVideoWriter::IsSupported()) {
cout << "VideoWriter is not supported at the moment. Please install the pylon Supplementary Package for MPEG-4 which is available on the Basler website." << endl;
// Releases all pylon resources.
cout << "VideoWriter is not supported at the moment!"
<< " Please install the pylon Supplementary Package"
<< " for MPEG-4 which is available on the Basler website." << endl;
PylonTerminate();
// Return with error code 1.
return 1;
}
@ -123,16 +142,28 @@ int main( int argc, char* argv[] ) {
cameras[i].Open();
cout << "Using device " << cameras[i].GetDeviceInfo().GetModelName() << endl;
CIntegerParameter width( cameras[i].GetNodeMap(), "Width" );
CIntegerParameter height( cameras[i].GetNodeMap(), "Height" );
CEnumParameter pixelFormat( cameras[i].GetNodeMap(), "PixelFormat" );
CEnumParameter trigmode( cameras[i].GetNodeMap(), "TriggerMode");
uint32_t mw = sensorWidth(cameras[i]);
uint32_t mh = sensorHeight(cameras[i]);
uint32_t maxXOffs = mw - cWidth;
uint32_t maxYOffs = mh - cHeight;
xOffset = xOffset <= maxXOffs ? xOffset : maxXOffs;
yOffset = yOffset <= maxYOffs ? yOffset : maxYOffs;
INodeMap& nodemap = cameras[i].GetNodeMap();
CIntegerParameter width( nodemap, "Width" );
CIntegerParameter height( nodemap, "Height" );
CIntegerParameter offsetX( nodemap, "OffsetX" );
CIntegerParameter offsetY( nodemap, "OffsetY" );
CEnumParameter pixelFormat( nodemap, "PixelFormat" );
CEnumParameter trigmode( nodemap, "TriggerMode");
CEnumParameter trigsource( nodemap, "TriggerSource");
trigmode.TrySetValue( "On" );
CEnumParameter trigsource( cameras[i].GetNodeMap(), "TriggerSource");
trigsource.TrySetValue( "Software" );
width.TrySetValue( cWidth, IntegerValueCorrection_Nearest );
height.TrySetValue( cHeight, IntegerValueCorrection_Nearest );
offsetX.TrySetValue( xOffset, IntegerValueCorrection_Nearest );
offsetY.TrySetValue( yOffset, IntegerValueCorrection_Nearest );
}
CIntegerParameter width( cameras[0].GetNodeMap(), "Width" );
@ -140,7 +171,6 @@ int main( int argc, char* argv[] ) {
CEnumParameter pixelFormat( cameras[0].GetNodeMap(), "PixelFormat" );
CPixelTypeMapper pixelTypeMapper( &pixelFormat );
EPixelType pixelType = pixelTypeMapper.GetPylonPixelTypeFromNodeValue( pixelFormat.GetIntValue() );
CGrabResultPtr frames[camCount];
for (int i =0; i < camCount; i++) {
CGrabResultPtr ptrGrabResult;
@ -210,7 +240,7 @@ int main( int argc, char* argv[] ) {
if ( camCount > 1 ) {
leftImage.AttachGrabResultBuffer( frames[0] );
rightImage.AttachGrabResultBuffer( frames[1] );
StitchImage::StitchToRight(leftImage, rightImage, &stitchedImage, errorMessage);
StitchImage::StitchToRight( leftImage, rightImage, &stitchedImage, errorMessage );
videoWriter.Add( stitchedImage );
} else {
videoWriter.Add( frames[0] );