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1、采图 UI 显示
2、硬件连贯和 IP 配置
2.1 外触发硬件接线
依据相机接线图，连贯相机的电源的触发信号输出；
2.2 IP 配置
Gige 网口相机须要电脑网卡和相机在同一 ip 段内，反对动静、动态等形式配置 IP，关上 Pylon IP Configurator 来匹配 IP，如下
3、代码实现
根本采图性能 Balser 都有对应的 Demo 进行参考，这里只截取相机采图和局部参数设置性能演示。
balser_gigeCamera.h
#ifndef BALSER_GIGECAMERA_H
#define BALSER_GIGECAMERA_H
/***************************
* @projectName camera_test
* @brief Basler 相机图像采集及参数设置性能；* @author Alaric
* @date 2018-11-04
**************************/
#include <QImage>
#include "balser_gigecamera_global.h"
#include <QObject>
#include <pylon/PylonIncludes.h>
#include <pylon/BaslerUniversalInstantCamera.h>
#include <pylon/_BaslerUniversalCameraParams.h>
#include <QMutex>
using namespace std;
using namespace Pylon;
using namespace GenApi;
using namespace Basler_UniversalCameraParams;
class BALSER_GIGECAMERASHARED_EXPORT Balser_GigeCamera : public QObject, public CImageEventHandler
{
Q_OBJECT
public:
Balser_GigeCamera(QObject *parent = nullptr);
~Balser_GigeCamera();
enum BaslerCamera_Type{
Type_Basler_Freerun, // 设置相机的内触发
Type_Basler_Line1, // 设置相机的外触发
Type_Basler_ExposureTimeAbs, // 设置相机的曝光工夫
Type_Basler_GainRaw, // 设置相机的增益
Type_Basler_AcquisitionFrameRateAbs, // 设置相机的频率
Type_Basler_Width, // 图片的宽度
Type_Basler_Height, // 图片的高度
Type_Basler_LineSource, // 灯的触发信号
};
void initCamera(); // 初始化相机
void OpenCamera(); // 关上相机
void CloseCamera(); // 敞开相机
void deleteAll(); // 删除相机
int getExposureTime(); // 取得曝光工夫
void setExposureTime(int time); // 设置曝光工夫
int getGain(); // 取得增益
void setGain(int value); // 设置增益
void setFrameRate(int value); // 设置帧率
int getFrameRate(); // 取得帧率
void OneKeyAutoExTime(); // 一键主动曝光
void SetCamera(Balser_GigeCamera::BaslerCamera_Type index, int tmpValue = 0); // 设置各种参数
int GetCamera(Balser_GigeCamera::BaslerCamera_Type index); // 获取各种参数
void AutoExposureOnce(CBaslerUniversalInstantCamera& camera); // 主动曝光
void StartAcquire(); // 开始采集
void StopAcquire(); // 完结采集
void StartSnap(); // 抓图
bool GrabOnLine_Signal; // 实时采图信号
signals:
void canShowImg(QImage img); // 发送图像数据
public slots:
void WorkTypeSignal(int work_type); // 接管图像处理信号，0 为 Once,1 为 Online;
private:
CBaslerUniversalInstantCamera m_basler;
CGrabResultPtr m_ptrGrabResult;
CImageFormatConverter m_formatConverter;//Basler 图片格式转换类
CPylonImage pylonImage; //Basler 图像格式
QMutex m_mutexLock;
int TestImg_WorkType = -1; // 图像处理形式，默认 - 1 为不解决，0 为 Once，1 为 Online；QImage CopyImgToQImage(CGrabResultPtr ptrGrabResult);
protected:
virtual void OnImageGrabbed(CInstantCamera &camera, const CGrabResultPtr &grabResult);
};
#endif // BALSER_GIGECAMERA_H这里 balser 采集到的 BYTE 格局的图像数据依照通道数转换成 QImage 格局，最初发送给 UI 线程进行显示。
balser_gigecamera.cpp
#include "balser_gigecamera.h"
#include <QDebug>
Balser_GigeCamera::Balser_GigeCamera(QObject *parent) : QObject(parent)
{ }
Balser_GigeCamera::~Balser_GigeCamera()
{ }
void Balser_GigeCamera::initCamera()
{PylonInitialize();
m_basler.RegisterImageEventHandler(this, RegistrationMode_Append, Cleanup_Delete);
m_basler.Attach(CTlFactory::GetInstance().CreateFirstDevice(),Cleanup_Delete);
qDebug()<<"Using device" << m_basler.GetDeviceInfo().GetModelName()<<endl;
m_basler.Open();
if (!m_basler.IsOpen() || m_basler.IsGrabbing())
{qDebug()<<"camera open failed"<<endl;
return;
}
}
void Balser_GigeCamera::CloseCamera()
{if(m_basler.IsOpen()) {m_basler.DetachDevice();
m_basler.Close();
m_basler.DestroyDevice();
m_ptrGrabResult.Release();}
}
void Balser_GigeCamera::deleteAll()
{
// 进行采集
if(GrabOnLine_Signal) {StopAcquire();
}
// 敞开摄像头
try
{CloseCamera();
m_basler.DeregisterImageEventHandler(this);
// 敞开库
qDebug() << "SBaslerCameraControl deleteAll: PylonTerminate" ;
PylonTerminate();}
catch (const Pylon::GenericException& e)
{qDebug() << e.what();}
}
int Balser_GigeCamera::getExposureTime()
{return GetCamera(Type_Basler_ExposureTimeAbs);
}
void Balser_GigeCamera::setExposureTime(int time)
{SetCamera(Type_Basler_ExposureTimeAbs, time);
}
void Balser_GigeCamera::setGain(int value)
{SetCamera(Type_Basler_GainRaw, value);
}
int Balser_GigeCamera::getGain()
{return GetCamera(Type_Basler_GainRaw);
}
int Balser_GigeCamera::getFrameRate()
{return GetCamera(Type_Basler_AcquisitionFrameRateAbs);
}
void Balser_GigeCamera::setFrameRate(int value)
{SetCamera(Type_Basler_AcquisitionFrameRateAbs, value);
}
void Balser_GigeCamera::OneKeyAutoExTime()
{AutoExposureOnce(m_basler);
}
void Balser_GigeCamera::SetCamera(Balser_GigeCamera::BaslerCamera_Type index, int tmpValue)
{INodeMap &cameraNodeMap = m_basler.GetNodeMap();
switch (index) {
case Type_Basler_Freerun: {CEnumerationPtr ptrTriggerSel = cameraNodeMap.GetNode ("TriggerSelector");
ptrTriggerSel->FromString("FrameStart");
CEnumerationPtr ptrTrigger = cameraNodeMap.GetNode ("TriggerMode");
#ifdef Real_Freerun
ptrTrigger->SetIntValue(0);
#else //Software
ptrTrigger->SetIntValue(1);
CEnumerationPtr ptrTriggerSource = cameraNodeMap.GetNode ("TriggerSource");
ptrTriggerSource->FromString("Software");
#endif
} break;
case Type_Basler_Line1: {CEnumerationPtr ptrTriggerSel = cameraNodeMap.GetNode ("TriggerSelector");
ptrTriggerSel->FromString("FrameStart");
CEnumerationPtr ptrTrigger = cameraNodeMap.GetNode ("TriggerMode");
ptrTrigger->SetIntValue(1);
CEnumerationPtr ptrTriggerSource = cameraNodeMap.GetNode ("TriggerSource");
ptrTriggerSource->FromString("Line1");
} break;
case Type_Basler_ExposureTimeAbs: {const CFloatPtr exposureTime = cameraNodeMap.GetNode("ExposureTimeAbs");
exposureTime->SetValue(tmpValue);
} break;
case Type_Basler_GainRaw: {const CIntegerPtr cameraGen = cameraNodeMap.GetNode("GainRaw");
cameraGen->SetValue(tmpValue);
} break;
case Type_Basler_AcquisitionFrameRateAbs: {const CBooleanPtr frameRate = cameraNodeMap.GetNode("AcquisitionFrameRateEnable");
frameRate->SetValue(TRUE);
const CFloatPtr frameRateABS = cameraNodeMap.GetNode("AcquisitionFrameRateAbs");
frameRateABS->SetValue(tmpValue);
} break;
case Type_Basler_Width: {const CIntegerPtr widthPic = cameraNodeMap.GetNode("Width");
widthPic->SetValue(tmpValue);
} break;
case Type_Basler_Height: {const CIntegerPtr heightPic = cameraNodeMap.GetNode("Height");
heightPic->SetValue(tmpValue);
} break;
case Type_Basler_LineSource: {CEnumerationPtr ptrLineSource = cameraNodeMap.GetNode ("LineSource");
ptrLineSource->SetIntValue(2);
} break;
default:
break;
}
}
int Balser_GigeCamera::GetCamera(Balser_GigeCamera::BaslerCamera_Type index)
{INodeMap &cameraNodeMap = m_basler.GetNodeMap();
switch (index) {
case Type_Basler_ExposureTimeAbs: {const CFloatPtr exposureTime = cameraNodeMap.GetNode("ExposureTimeAbs");
return exposureTime->GetValue();} break;
case Type_Basler_GainRaw: {const CIntegerPtr cameraGen = cameraNodeMap.GetNode("GainRaw");
return cameraGen->GetValue();} break;
case Type_Basler_AcquisitionFrameRateAbs: {const CBooleanPtr frameRate = cameraNodeMap.GetNode("AcquisitionFrameRateEnable");
frameRate->SetValue(TRUE);
const CFloatPtr frameRateABS = cameraNodeMap.GetNode("AcquisitionFrameRateAbs");
return frameRateABS->GetValue();} break;
case Type_Basler_Width: {const CIntegerPtr widthPic = cameraNodeMap.GetNode("Width");
return widthPic->GetValue();} break;
case Type_Basler_Height: {const CIntegerPtr heightPic = cameraNodeMap.GetNode("Height");
return heightPic->GetValue();} break;
default:
return -1;
break;
}
}
void Balser_GigeCamera::OnImageGrabbed(CInstantCamera &camera, const CGrabResultPtr &grabResult)
{m_mutexLock.lock();
qDebug() <<"Capturest"<<endl;
if (grabResult->GrabSucceeded())
{
m_ptrGrabResult = grabResult;// 将捕捉到的图像传递进来
qDebug() <<"Captureok"<<endl;
QImage CurrentImg;
CurrentImg = CopyImgToQImage(m_ptrGrabResult);
if(TestImg_WorkType == 1)
{emit canShowImg(CurrentImg);
// startImgProcess(CurrentImg);
qDebug() <<"Captureok"<<endl;}
else{emit canShowImg(CurrentImg);
}
}
m_mutexLock.unlock();}
void Balser_GigeCamera::StartAcquire()
{if ( !m_basler.IsGrabbing() ){qDebug()<<"grabstart"<<endl;
GrabOnLine_Signal = true;
m_basler.StartGrabbing(GrabStrategy_LatestImageOnly,GrabLoop_ProvidedByInstantCamera);
}
else {qDebug()<<"error"<<endl;
}
}
void Balser_GigeCamera::StartSnap()
{m_basler.StartGrabbing(1);
CBaslerUniversalGrabResultPtr ptrGrabResult;
m_basler.RetrieveResult(5000, ptrGrabResult, TimeoutHandling_ThrowException);
if (ptrGrabResult->GrabSucceeded())
{qDebug()<<"snapok"<<endl;
QImage CurrentImg = CopyImgToQImage(ptrGrabResult);
emit canShowImg(CurrentImg);
if(TestImg_WorkType == 0){// startImgProcess(CurrentImg);
TestImg_WorkType = -1;
}
}
}
void Balser_GigeCamera::StopAcquire()
{if ( m_basler.IsGrabbing()){
GrabOnLine_Signal = false;
m_basler.StopGrabbing(); // 进行抓取图像}
}
void Balser_GigeCamera::AutoExposureOnce(CBaslerUniversalInstantCamera& camera)
{if ( !camera.ExposureAuto.IsWritable())
{
cout << "The camera does not support Exposure Auto." << endl << endl;
return;
}
camera.ExposureAuto.SetValue(ExposureAuto_Once);
int n = 0;
while (camera.ExposureAuto.GetValue() != ExposureAuto_Off)
{
++n;
//For demonstration purposes only. Wait until the image is shown.
WaitObject::Sleep(100);
//Make sure the loop is exited.
if (n > 100)
{throw TIMEOUT_EXCEPTION( "The adjustment of auto exposure did not finish.");
}
}
}
void Balser_GigeCamera::WorkTypeSignal(int work_type)
{TestImg_WorkType = work_type;}
QImage Balser_GigeCamera::CopyImgToQImage(CGrabResultPtr ptrGrabResult)
{
QImage Qimg;
// 格局转换
m_formatConverter.Convert(pylonImage, ptrGrabResult);
uchar * din = (uchar *)(pylonImage.GetBuffer()); // 数据指针
// 单通道 Momo
if(IsMono(pylonImage.GetPixelType()))
{qDebug()<<"黑白图像";
Qimg = QImage(din, ptrGrabResult->GetWidth(), ptrGrabResult->GetHeight(), QImage::Format_Indexed8);
}
else
{
// 此处能够依据相机的格局获取特定格局的彩色图像
if(IsRGB(pylonImage.GetPixelType()))
{Qimg = QImage(din, ptrGrabResult->GetWidth(), ptrGrabResult->GetHeight(), QImage::Format_RGB888);
}
}
return Qimg;
}4、源码下载
相机采图及相机设置局部封装成动静库，能够在 UI 线程调用相机类来实现相机的加载，采图及参数设置操作。
源码下载：https://download.csdn.net/dow…
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