/* Some features are floating point features. This function illustrates how to set and get floating
* point parameters. */
private static void demonstrateFloatFeature(PYLON_DEVICE_HANDLE hDev)
{
string featureName = "Gamma"; /* The name of the feature used. */
bool isAvailable; /* Is the feature available? */
bool isWritable; /* Is the feature writable? */
double min, max, value; /* Value range and current value. */
isAvailable = Pylon.DeviceFeatureIsAvailable(hDev, featureName);
if (isAvailable)
{
/* Query the value range and the current value. */
min = Pylon.DeviceGetFloatFeatureMin(hDev, featureName);
max = Pylon.DeviceGetFloatFeatureMax(hDev, featureName);
value = Pylon.DeviceGetFloatFeature(hDev, featureName);
Console.WriteLine("{0}: min = {1}, max = {2}, value = {3}", featureName, min, max, value);
/* Set a new value. */
isWritable = Pylon.DeviceFeatureIsWritable(hDev, featureName);
if (isWritable)
{
value = 0.5 * (min + max);
Console.WriteLine("Setting {0} to {1}.", featureName, value);
Pylon.DeviceSetFloatFeature(hDev, featureName, value);
}
}
else
{
Console.WriteLine("The {0} feature isn't available.", featureName);
}
}
/* Some features are boolean features that can be switched on and off.
* This function illustrates how to access boolean features. */
private static void demonstrateBooleanFeature(PYLON_DEVICE_HANDLE hDev)
{
string featureName = "GammaEnable"; /* The name of the feature. */
bool isWritable; /* Is the feature writable? */
bool value; /* The value of the feature. */
/* Check to see if the feature is writable. */
isWritable = Pylon.DeviceFeatureIsWritable(hDev, featureName);
if (isWritable)
{
/* Retrieve the current state of the feature. */
value = Pylon.DeviceGetBooleanFeature(hDev, featureName);
Console.WriteLine("The {0} features is {1}.", featureName, value ? "on" : "off");
/* Set a new value. */
value = !value; /* New value. */
Console.WriteLine("Switching the {0} feature {1}.", featureName, value ? "on" : "off");
Pylon.DeviceSetBooleanFeature(hDev, featureName, value);
}
else
{
Console.WriteLine("The {0} feature isn't writable.", featureName);
}
}
private void setChunkModeFeatures()
{
/* Before enabling individual chunks, the chunk mode in general must be activated. */
bool isAvail = Pylon.DeviceFeatureIsWritable(_pylonDevHandle, "ChunkModeActive");
if (!isAvail)
{
throw new Exception("The device doesn't support the chunk mode.");
}
/* Activate the chunk mode. */
Pylon.DeviceSetBooleanFeature(_pylonDevHandle, "ChunkModeActive", true);
/* Enable some individual chunks... */
/* ... The frame counter chunk feature. */
/* Is the chunk feature available? */
isAvail = Pylon.DeviceFeatureIsAvailable(_pylonDevHandle, "EnumEntry_ChunkSelector_Framecounter");
if (isAvail)
{
/* Select the frame counter chunk feature. */
Pylon.DeviceFeatureFromString(_pylonDevHandle, "ChunkSelector", "Framecounter");
/* Can the chunk feature be activated? */
isAvail = Pylon.DeviceFeatureIsWritable(_pylonDevHandle, "ChunkEnable");
if (isAvail)
{
/* Activate the chunk feature. */
Pylon.DeviceSetBooleanFeature(_pylonDevHandle, "ChunkEnable", true);
}
}
/* ... The CRC checksum chunk feature. */
/* Note: Enabling the CRC checksum chunk feature is not a prerequisite for using
* chunks. Chunks can also be handled when the CRC checksum chunk feature is disabled. */
isAvail = Pylon.DeviceFeatureIsAvailable(_pylonDevHandle, "EnumEntry_ChunkSelector_PayloadCRC16");
if (isAvail)
{
/* Select the CRC checksum chunk feature. */
Pylon.DeviceFeatureFromString(_pylonDevHandle, "ChunkSelector", "PayloadCRC16");
/* Can the chunk feature be activated? */
isAvail = Pylon.DeviceFeatureIsWritable(_pylonDevHandle, "ChunkEnable");
if (isAvail)
{
/* Activate the chunk feature. */
Pylon.DeviceSetBooleanFeature(_pylonDevHandle, "ChunkEnable", true);
}
}
}
private bool setStreamModeFeature()
{
bool isAvail;
/* Set the pixel format to Mono8, where gray values will be output as 8 bit values for each pixel. */
/* ... Check first to see if the device supports the Mono8 format. */
isAvail = Pylon.DeviceFeatureIsAvailable(_pylonDevHandle, "EnumEntry_PixelFormat_Mono8");
if (!isAvail)
{
/* Feature is not available. */
throw new Exception("Device doesn't support the Mono8 pixel format.");
}
/* ... Set the pixel format to Mono8. */
Pylon.DeviceFeatureFromString(_pylonDevHandle, "PixelFormat", "Mono8");
/* Disable acquisition start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(_pylonDevHandle, "EnumEntry_TriggerSelector_AcquisitionStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(_pylonDevHandle, "TriggerSelector", "AcquisitionStart");
Pylon.DeviceFeatureFromString(_pylonDevHandle, "TriggerMode", "Off");
}
/* Disable frame start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(_pylonDevHandle, "EnumEntry_TriggerSelector_FrameStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(_pylonDevHandle, "TriggerSelector", "FrameStart");
Pylon.DeviceFeatureFromString(_pylonDevHandle, "TriggerMode", "Off");
}
/* We will use the Continuous frame mode, i.e., the camera delivers
* images continuously. */
Pylon.DeviceFeatureFromString(_pylonDevHandle, "AcquisitionMode", "Continuous");
/* For GigE cameras, we recommend increasing the packet size for better
* performance. When the network adapter supports jumbo frames, set the packet
* size to a value > 1500, e.g., to 8192. In this sample, we only set the packet size
* to 1500. */
/* ... Check first to see if the GigE camera packet size parameter is supported and if it is writable. */
isAvail = Pylon.DeviceFeatureIsWritable(_pylonDevHandle, "GevSCPSPacketSize");
if (isAvail)
{
/* ... The device supports the packet size feature. Set a value. */
Pylon.DeviceSetIntegerFeature(_pylonDevHandle, "GevSCPSPacketSize", 8192);
}
return(isAvail);
}
/// <summary>
/// 設定 Device Handle 功能
/// </summary>
/// <param name="hDev"></param>
/// <param name="features"></param>
/// <returns></returns>
public bool SetPylonDeviceHandleFeatures(List <PylonFeature> features)
{
var success = true;
bool isAvail, isWritable;
_latestMessage = "";
foreach (var feature in features)
{
isAvail = Pylon.DeviceFeatureIsAvailable(_pylonDevHandle, feature.Name);
isWritable = Pylon.DeviceFeatureIsWritable(_pylonDevHandle, feature.Key);
if (!isAvail)
{
_latestMessage += "Device doesn't support the " + feature.Name + ";";
success = false;
}
else if (!isWritable)
{
_latestMessage += "Writable doesn't support the " + feature.Name + ";";
success = false;
}
else
{
Type valueType = feature.Value.GetType();
switch (valueType.Name)
{
case "Boolean":
Pylon.DeviceSetBooleanFeature(_pylonDevHandle, feature.Key, (bool)feature.Value);
break;
case "String":
Pylon.DeviceFeatureFromString(_pylonDevHandle, feature.Key, (string)feature.Value);
break;
case "Int32":
Pylon.DeviceSetIntegerFeature(_pylonDevHandle, feature.Key, (int)feature.Value);
break;
case "Double":
Pylon.DeviceSetFloatFeature(_pylonDevHandle, feature.Key, (double)feature.Value);
break;
}
}
}
return(success);
}
/// <summary>
/// Set camera config.
/// </summary>
/// <param name="device">camera device</param>
/// <param name="featureName">name of config</param>
/// <param name="value">value of config</param>
private void SetConfig(PYLON_DEVICE_HANDLE device, string featureName, object value)
{
try
{
if (value == null)
{
return;
}
// Check to see if a feature is implemented, writable.
bool isAvailable;
bool isWritable;
// Check feature
isAvailable = Pylon.DeviceFeatureIsImplemented(device, featureName);
isWritable = Pylon.DeviceFeatureIsWritable(device, featureName);
// Set config feature
if (isAvailable && isWritable)
{
if (value.GetType() == typeof(int))
{
Pylon.DeviceSetIntegerFeature(device, featureName, (int)value);
}
if (value.GetType() == typeof(float))
{
Pylon.DeviceSetFloatFeature(device, featureName, (float)value);
}
if (value.GetType() == typeof(string))
{
Pylon.DeviceFeatureFromString(device, featureName, (string)value);
}
}
}
catch (Exception ex)
{
throw ex;
}
}
private void setGevSCPSPacketSize()
{
/* For GigE cameras, we recommend increasing the packet size for better
* performance. If the network adapter supports jumbo frames, set the packet
* size to a value > 1500, e.g., to 8192. In this sample, we only set the packet size
* to 1500. */
/* ... Check first to see if the GigE camera packet size parameter is supported
* and if it is writable.
*
* 開啟 pylonViewr, 找到裝置的 Transport Layer 節點, 可以設定 Packet Size,
* 在裝置的的 Stream Parameter 節點，觀察 Statistic 節點中的 Failed Buffer cout,
* 若無 Fail, 則可調高 packet size
*
*/
bool isAvail = Pylon.DeviceFeatureIsWritable(_pylonDevHandle, "GevSCPSPacketSize");
if (isAvail)
{
/* ... The device supports the packet size feature. Set a value. */
Pylon.DeviceSetIntegerFeature(_pylonDevHandle, "GevSCPSPacketSize", 1500);
}
}
/* This function demonstrates how to check the presence, readability, and writability
* of a feature. */
private static void demonstrateAccessibilityCheck(PYLON_DEVICE_HANDLE hDev)
{
bool val; /* Output of the check functions. */
/* Check to see if a feature is implemented at all. */
val = Pylon.DeviceFeatureIsImplemented(hDev, "Width");
Console.WriteLine("The 'Width' feature {0} implemented.", val ? "is" : "isn't");
val = Pylon.DeviceFeatureIsImplemented(hDev, "MyCustomFeature");
Console.WriteLine("The 'MyCustomFeature' feature {0} implemented.", val ? "is" : "isn't");
/* Although a feature is implemented by the device, it may not be available
* with the device in its current state. Check to see if the feature is currently
* available. The PylonDeviceFeatureIsAvailable sets val to 0 if either the feature
* is not implemented or if the feature is not currently available. */
val = Pylon.DeviceFeatureIsAvailable(hDev, "BinningVertical");
Console.WriteLine("The 'BinningVertical' feature {0} available.", val ? "is" : "isn't");
/* If a feature is available, it can be read-only, write-only, or both
* readable and writable. Use the PylonDeviceFeatureIsReadable() and the
* PylonDeviceFeatureIsWritable() functions(). It is safe to call these functions
* for features that are currently not available or not implemented by the device.
* A feature that is not available or not implemented is neither readable nor writable.
* The readability and writability of a feature can change depending on the current
* state of the device. For example, the Width parameter may not be writable when
* the camera is acquiring images. */
val = Pylon.DeviceFeatureIsReadable(hDev, "Width");
Console.WriteLine("The 'Width' feature {0} readable.", val ? "is" : "isn't");
val = Pylon.DeviceFeatureIsReadable(hDev, "MyCustomFeature");
Console.WriteLine("The 'MyCustomFeature' feature {0} readable.", val ? "is" : "isn't");
val = Pylon.DeviceFeatureIsWritable(hDev, "Width");
Console.WriteLine("The 'Width' feature {0} writable.", val ? "is" : "isn't");
Console.WriteLine("");
}
int i; /* Counter. */
public void PylonC_Open()
{
#if Local_Variables
PYLON_DEVICE_HANDLE hDev = new PYLON_DEVICE_HANDLE(); /* Handle for the pylon device. */
#endif
try
{
#if Local_Variables
uint numDevices; /* Number of available devices. */
PYLON_STREAMGRABBER_HANDLE hGrabber; /* Handle for the pylon stream grabber. */
PYLON_WAITOBJECT_HANDLE hWait; /* Handle used for waiting for a grab to be finished. */
uint payloadSize; /* Size of an image frame in bytes. */
Dictionary <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> > buffers; /* Holds handles and buffers used for grabbing. */
PylonGrabResult_t grabResult; /* Stores the result of a grab operation. */
int nGrabs; /* Counts the number of buffers grabbed. */
uint nStreams; /* The number of streams provides by the device. */
bool isAvail; /* Used for checking feature availability. */
bool isReady; /* Used as an output parameter. */
int i; /* Counter. */
#endif
#if DEBUG
/* This is a special debug setting needed only for GigE cameras.
* See 'Building Applications with pylon' in the programmer's guide. */
Environment.SetEnvironmentVariable("PYLON_GIGE_HEARTBEAT", "300000" /*ms*/);
#endif
/* Before using any pylon methods, the pylon runtime must be initialized. */
Pylon.Initialize();
/* Enumerate all camera devices. You must call
* PylonEnumerateDevices() before creating a device. */
numDevices = Pylon.EnumerateDevices();
if (0 == numDevices)
{
throw new Exception("No devices found.");
}
/* Get a handle for the first device found. */
hDev = Pylon.CreateDeviceByIndex(0);
/* Before using the device, it must be opened. Open it for configuring
* parameters and for grabbing images. */
Pylon.DeviceOpen(hDev, Pylon.cPylonAccessModeControl | Pylon.cPylonAccessModeStream);
/* Print out the name of the camera we are using. */
{
bool isReadable = Pylon.DeviceFeatureIsReadable(hDev, "DeviceModelName");
if (isReadable)
{
string name = Pylon.DeviceFeatureToString(hDev, "DeviceModelName");
Console.WriteLine("Using camera {0}.", name);
}
}
/* Set the pixel format to Mono8, where gray values will be output as 8 bit values for each pixel. */
/* ... Check first to see if the device supports the Mono8 format. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_PixelFormat_YUV422Packed");
if (!isAvail)
{
/* Feature is not available. */
throw new Exception("Device doesn't support the Mono8/YUV422Packed pixel format.");
}
/* ... Set the pixel format to Mono8. */
Pylon.DeviceFeatureFromString(hDev, "PixelFormat", "YUV422Packed");
/* Disable acquisition start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_AcquisitionStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "AcquisitionStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* Disable frame burst start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameBurstStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameBurstStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* Disable frame start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* We will use the Continuous frame mode, i.e., the camera delivers
* images continuously. */
Pylon.DeviceFeatureFromString(hDev, "AcquisitionMode", "Continuous");
/* For GigE cameras, we recommend increasing the packet size for better
* performance. When the network adapter supports jumbo frames, set the packet
* size to a value > 1500, e.g., to 8192. In this sample, we only set the packet size
* to 1500. */
/* ... Check first to see if the GigE camera packet size parameter is supported and if it is writable. */
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "GevSCPSPacketSize");
if (isAvail)
{
/* ... The device supports the packet size feature. Set a value. */
Pylon.DeviceSetIntegerFeature(hDev, "GevSCPSPacketSize", 1500);
}
/* Determine the required size of the grab buffer. */
payloadSize = checked ((uint)Pylon.DeviceGetIntegerFeature(hDev, "PayloadSize"));
/* Image grabbing is done using a stream grabber.
* A device may be able to provide different streams. A separate stream grabber must
* be used for each stream. In this sample, we create a stream grabber for the default
* stream, i.e., the first stream ( index == 0 ).
*/
/* Get the number of streams supported by the device and the transport layer. */
nStreams = Pylon.DeviceGetNumStreamGrabberChannels(hDev);
if (nStreams < 1)
{
throw new Exception("The transport layer doesn't support image streams.");
}
/* Create and open a stream grabber for the first channel. */
hGrabber = Pylon.DeviceGetStreamGrabber(hDev, 0);
Pylon.StreamGrabberOpen(hGrabber);
/* Get a handle for the stream grabber's wait object. The wait object
* allows waiting for buffers to be filled with grabbed data. */
hWait = Pylon.StreamGrabberGetWaitObject(hGrabber);
/* We must tell the stream grabber the number and size of the buffers
* we are using. */
/* .. We will not use more than NUM_BUFFERS for grabbing. */
Pylon.StreamGrabberSetMaxNumBuffer(hGrabber, NUM_BUFFERS);
/* .. We will not use buffers bigger than payloadSize bytes. */
Pylon.StreamGrabberSetMaxBufferSize(hGrabber, payloadSize);
/* Allocate the resources required for grabbing. After this, critical parameters
* that impact the payload size must not be changed until FinishGrab() is called. */
Pylon.StreamGrabberPrepareGrab(hGrabber);
/* Before using the buffers for grabbing, they must be registered at
* the stream grabber. For each registered buffer, a buffer handle
* is returned. After registering, these handles are used instead of the
* buffer objects pointers. The buffer objects are held in a dictionary,
* that provides access to the buffer using a handle as key.
*/
buffers = new Dictionary <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> >();
for (i = 0; i < NUM_BUFFERS; ++i)
{
PylonBuffer <Byte> buffer = new PylonBuffer <byte>(payloadSize, true);
PYLON_STREAMBUFFER_HANDLE handle = Pylon.StreamGrabberRegisterBuffer(hGrabber, ref buffer);
buffers.Add(handle, buffer);
}
/* Feed the buffers into the stream grabber's input queue. For each buffer, the API
* allows passing in an integer as additional context information. This integer
* will be returned unchanged when the grab is finished. In our example, we use the index of the
* buffer as context information. */
i = 0;
foreach (KeyValuePair <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> > pair in buffers)
{
Pylon.StreamGrabberQueueBuffer(hGrabber, pair.Key, i++);
}
/* The stream grabber is now prepared. As soon the camera starts acquiring images,
* the image data will be grabbed into the provided buffers. */
/* Let the camera acquire images. */
Pylon.DeviceExecuteCommandFeature(hDev, "AcquisitionStart");
/* Grab NUM_GRABS images */
nGrabs = 0; /* Counts the number of grabbed images. */
//while (nGrabs < NUM_GRABS)
while (nGrabs < NUM_GRABS)
{
int bufferIndex; /* Index of the buffer. */
Byte min, max;
/* Wait for the next buffer to be filled. Wait up to 1000 ms. */
isReady = Pylon.WaitObjectWait(hWait, 1000);
if (!isReady)
{
/* Timeout occurred. */
throw new Exception("Grab timeout occurred.");
}
/* Since the wait operation was successful, the result of at least one grab
* operation is available. Retrieve it. */
isReady = Pylon.StreamGrabberRetrieveResult(hGrabber, out grabResult);
if (!isReady)
{
/* Oops. No grab result available? We should never have reached this point.
* Since the wait operation above returned without a timeout, a grab result
* should be available. */
throw new Exception("Failed to retrieve a grab result");
}
nGrabs++;
/* Get the buffer index from the context information. */
bufferIndex = (int)grabResult.Context;
/* Check to see if the image was grabbed successfully. */
if (grabResult.Status == EPylonGrabStatus.Grabbed)
{
/* Success. Perform image processing. Since we passed more than one buffer
* to the stream grabber, the remaining buffers are filled in the background while
* we do the image processing. The processed buffer won't be touched by
* the stream grabber until we pass it back to the stream grabber. */
PylonBuffer <Byte> buffer; /* Reference to the buffer attached to the grab result. */
/* Get the buffer from the dictionary. Since we also got the buffer index,
* we could alternatively use an array, e.g. buffers[bufferIndex]. */
if (!buffers.TryGetValue(grabResult.hBuffer, out buffer))
{
/* Oops. No buffer available? We should never have reached this point. Since all buffers are
* in the dictionary. */
throw new Exception("Failed to find the buffer associated with the handle returned in grab result.");
}
/* Perform processing. */
getMinMax(buffer.Array, grabResult.SizeX, grabResult.SizeY, out min, out max);
Console.WriteLine("Grabbed frame {0} into buffer {1}. Min. gray value = {2}, Max. gray value = {3}",
nGrabs, bufferIndex, min, max);
/* Display image */ //////////////////////////////////////////////////////////////////////////////////////////////////////////////////
WpfApp5.MainWindow.Pylon_Buffer = buffer;
WpfApp5.MainWindow.GrabResult = grabResult;
Console.WriteLine("the contents of buffer: [{0, 10}] in OverlappedGrab Class.", buffer.Array[0]);
Console.WriteLine("the contents of buffer: [{0, 10}] in WpfApp3.MainWindow.Pylon_Buffer.", WpfApp5.MainWindow.Pylon_Buffer.Array[0]);
Pylon.ImageWindowDisplayImage <Byte>(0, buffer, grabResult);
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
}
else if (grabResult.Status == EPylonGrabStatus.Failed)
{
Console.Error.WriteLine("Frame {0} wasn't grabbed successfully. Error code = {1}",
nGrabs, grabResult.ErrorCode);
}
/* Once finished with the processing, requeue the buffer to be filled again. */
Pylon.StreamGrabberQueueBuffer(hGrabber, grabResult.hBuffer, bufferIndex);
}
/* Clean up. */
#if DONT_COMPILE_THESE_CODE
/* ... Stop the camera. */
Pylon.DeviceExecuteCommandFeature(hDev, "AcquisitionStop");
/* ... We must issue a cancel call to ensure that all pending buffers are put into the
* stream grabber's output queue. */
Pylon.StreamGrabberCancelGrab(hGrabber);
/* ... The buffers can now be retrieved from the stream grabber. */
do
{
isReady = Pylon.StreamGrabberRetrieveResult(hGrabber, out grabResult);
} while (isReady);
/* ... When all buffers are retrieved from the stream grabber, they can be deregistered.
* After deregistering the buffers, it is safe to free the memory. */
foreach (KeyValuePair <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> > pair in buffers)
{
Pylon.StreamGrabberDeregisterBuffer(hGrabber, pair.Key);
pair.Value.Dispose();
}
buffers = null;
/* ... Release grabbing related resources. */
Pylon.StreamGrabberFinishGrab(hGrabber);
/* After calling PylonStreamGrabberFinishGrab(), parameters that impact the payload size (e.g.,
* the AOI width and height parameters) are unlocked and can be modified again. */
/* ... Close the stream grabber. */
Pylon.StreamGrabberClose(hGrabber);
/* ... Close and release the pylon device. The stream grabber becomes invalid
* after closing the pylon device. Don't call stream grabber related methods after
* closing or releasing the device. */
Pylon.DeviceClose(hDev);
Pylon.DestroyDevice(hDev);
Console.Error.WriteLine("\nPress enter to exit.");
Console.ReadLine();
/* ... Shut down the pylon runtime system. Don't call any pylon method after
* calling Pylon.Terminate(). */
Pylon.Terminate();
#endif
}
catch (Exception e)
{
/* Retrieve the error message. */
string msg = GenApi.GetLastErrorMessage() + "\n" + GenApi.GetLastErrorDetail();
Console.Error.WriteLine("Exception caught:");
Console.Error.WriteLine(e.Message);
if (msg != "\n")
{
Console.Error.WriteLine("Last error message:");
Console.Error.WriteLine(msg);
}
try
{
if (hDev.IsValid)
{
/* ... Close and release the pylon device. */
if (Pylon.DeviceIsOpen(hDev))
{
Pylon.DeviceClose(hDev);
}
Pylon.DestroyDevice(hDev);
}
}
catch (Exception)
{
/*No further handling here.*/
}
Pylon.Terminate(); /* Releases all pylon resources. */
Console.Error.WriteLine("\nPress enter to exit.");
Console.ReadLine();
Environment.Exit(1);
}
}
const uint NUM_EVENT_BUFFERS = 20; /* Number of buffers used for grabbing. */
static void Main(string[] args)
{
PYLON_DEVICE_HANDLE hDev = new PYLON_DEVICE_HANDLE(); /* Handle for the pylon device. */
try
{
uint numDevices; /* Number of available devices. */
PYLON_STREAMGRABBER_HANDLE hStreamGrabber; /* Handle for the pylon stream grabber. */
PYLON_EVENTGRABBER_HANDLE hEventGrabber; /* Handle for the event grabber used for receiving events. */
PYLON_EVENTADAPTER_HANDLE hEventAdapter; /* Handle for the event adapter used for dispatching events. */
PYLON_WAITOBJECT_HANDLE hWaitStream; /* Handle used for waiting for a grab to be finished. */
PYLON_WAITOBJECT_HANDLE hWaitEvent; /* Handle used for waiting for an event message. */
PYLON_WAITOBJECTS_HANDLE hWaitObjects; /* Container allowing waiting for multiple wait objects. */
NODEMAP_HANDLE hNodeMap; /* Handle for the node map containing the
* camera parameters. */
NODE_CALLBACK_HANDLE hCallback; /* Used for deregistering a callback function. */
NODE_HANDLE hNode; /* Handle for a camera parameter. */
uint payloadSize; /* Size of an image frame in bytes. */
Dictionary <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> > buffers; /* Holds handles and buffers used for grabbing. */
PylonGrabResult_t grabResult; /* Stores the result of a grab operation. */
NodeCallbackHandler callbackHandler = new NodeCallbackHandler(); /* Handles incoming callbacks. */
int nGrabs; /* Counts the number of buffers grabbed. */
uint nStreams; /* The number of streams the device provides. */
bool isAvail; /* Used for checking feature availability. */
bool isReady; /* Used as an output parameter. */
int i; /* Counter. */
PylonEventResult_t eventMsg = new PylonEventResult_t(); /* Event data container. */
long sfncVersionMajor; /* The major number of the Standard Feature Naming Convention (SFNC)
* version used by the camera device. */
#if DEBUG
/* This is a special debug setting needed only for GigE cameras.
* See 'Building Applications with pylon' in the programmer's guide */
Environment.SetEnvironmentVariable("PYLON_GIGE_HEARTBEAT", "300000" /*ms*/);
#endif
/* Before using any pylon methods, the pylon runtime must be initialized. */
Pylon.Initialize();
/* Enumerate all camera devices. You must call
* PylonEnumerateDevices() before creating a device. */
numDevices = Pylon.EnumerateDevices();
if (0 == numDevices)
{
throw new Exception("No devices found.");
}
/* Get a handle for the first device found. */
hDev = Pylon.CreateDeviceByIndex(0);
/* Before using the device, it must be opened. Open it for configuring
* parameters, for grabbing images, and for grabbing events. */
Pylon.DeviceOpen(hDev, Pylon.cPylonAccessModeControl | Pylon.cPylonAccessModeStream | Pylon.cPylonAccessModeEvent);
/* Print out the name of the camera we are using. */
{
bool isReadable = Pylon.DeviceFeatureIsReadable(hDev, "DeviceModelName");
if (isReadable)
{
string name = Pylon.DeviceFeatureToString(hDev, "DeviceModelName");
Console.WriteLine("Using camera {0}", name);
}
}
/* Set the pixel format to Mono8, where gray values will be output as 8 bit values for each pixel. */
/* ... Check first to see if the device supports the Mono8 format. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_PixelFormat_Mono8");
if (!isAvail)
{
/* Feature is not available. */
throw new Exception("Device doesn't support the Mono8 pixel format.");
}
/* ... Set the pixel format to Mono8. */
Pylon.DeviceFeatureFromString(hDev, "PixelFormat", "Mono8");
/* Disable acquisition start trigger if available. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_AcquisitionStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "AcquisitionStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* Disable frame burst start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameBurstStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameBurstStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* Disable frame start trigger if available. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* We will use the Continuous frame mode, i.e., the camera delivers
* images continuously. */
Pylon.DeviceFeatureFromString(hDev, "AcquisitionMode", "Continuous");
/* For GigE cameras, we recommend increasing the packet size for better
* performance. If the network adapter supports jumbo frames, set the packet
* size to a value > 1500, e.g., to 8192. In this sample, we only set the packet size
* to 1500. */
/* ... Check first to see if the GigE camera packet size parameter is supported and if it is writable. */
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "GevSCPSPacketSize");
if (isAvail)
{
/* ... The device supports the packet size feature. Set a value. */
Pylon.DeviceSetIntegerFeature(hDev, "GevSCPSPacketSize", 1500);
}
/* Determine the required size of the grab buffer. */
payloadSize = checked ((uint)Pylon.DeviceGetIntegerFeature(hDev, "PayloadSize"));
/* Determine the major number of the SFNC version used by the camera device. */
if (Pylon.DeviceFeatureIsAvailable(hDev, "DeviceSFNCVersionMajor"))
{
sfncVersionMajor = Pylon.DeviceGetIntegerFeature(hDev, "DeviceSFNCVersionMajor");
}
else
{
/* No SFNC version information is provided by the camera device. */
sfncVersionMajor = 0;
}
/* Enable camera events. */
/* Select the end-of-exposure event.*/
Pylon.DeviceFeatureFromString(hDev, "EventSelector", "ExposureEnd");
/* Enable the event. Select the enumeration entry name depending on the SFNC version used by the camera device. */
if (sfncVersionMajor >= 2)
{
Pylon.DeviceFeatureFromString(hDev, "EventNotification", "On");
}
else
{
Pylon.DeviceFeatureFromString(hDev, "EventNotification", "GenICamEvent");
}
/* Image grabbing is done using a stream grabber.
* A device may be able to provide different streams. A separate stream grabber must
* be used for each stream. In this sample, we create a stream grabber for the default
* stream, i.e., the first stream ( index == 0 ).
*/
/* Get the number of streams supported by the device and the transport layer. */
nStreams = Pylon.DeviceGetNumStreamGrabberChannels(hDev);
if (nStreams < 1)
{
throw new Exception("The transport layer doesn't support image streams");
}
/* Create and open a stream grabber for the first channel. */
hStreamGrabber = Pylon.DeviceGetStreamGrabber(hDev, 0);
Pylon.StreamGrabberOpen(hStreamGrabber);
/* Get a handle for the stream grabber's wait object. The wait object
* allows waiting for buffers to be grabbed. */
hWaitStream = Pylon.StreamGrabberGetWaitObject(hStreamGrabber);
/* We must tell the stream grabber the number and size of the buffers
* we are using. */
/* .. We will not use more than NUM_BUFFERS for grabbing. */
Pylon.StreamGrabberSetMaxNumBuffer(hStreamGrabber, NUM_IMAGE_BUFFERS);
/* .. We will not use buffers bigger than payloadSize bytes. */
Pylon.StreamGrabberSetMaxBufferSize(hStreamGrabber, payloadSize);
/* Allocate the resources required for grabbing. After this, critical parameters
* that impact the payload size must not be changed until FinishGrab() is called. */
Pylon.StreamGrabberPrepareGrab(hStreamGrabber);
/* Before using the buffers for grabbing, they must be registered at
* the stream grabber. For each registered buffer, a buffer handle
* is returned. After registering, these handles are used instead of the
* buffer object pointers. The buffer objects are held in a dictionary,
* that provides access to the buffer using a handle as key.
*/
buffers = new Dictionary <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> >();
for (i = 0; i < NUM_IMAGE_BUFFERS; ++i)
{
PylonBuffer <Byte> buffer = new PylonBuffer <byte>(payloadSize, true);
PYLON_STREAMBUFFER_HANDLE handle = Pylon.StreamGrabberRegisterBuffer(hStreamGrabber, ref buffer);
buffers.Add(handle, buffer);
}
/* Feed the buffers into the stream grabber's input queue. For each buffer, the API
* allows passing in an integer as additional context information. This integer
* will be returned unchanged when the grab is finished. In our example, we use the index of the
* buffer as context information. */
i = 0;
foreach (KeyValuePair <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> > pair in buffers)
{
Pylon.StreamGrabberQueueBuffer(hStreamGrabber, pair.Key, i++);
}
/* The stream grabber is now prepared. As soon the camera starts to acquire images,
* the image data will be grabbed into the provided buffers. */
/* Create and prepare an event grabber. */
/* ... Get a handle for the event grabber. */
hEventGrabber = Pylon.DeviceGetEventGrabber(hDev);
if (!hEventGrabber.IsValid)
{
/* The transport layer doesn't support event grabbers. */
throw new Exception("No event grabber supported.");
}
/* ... Tell the grabber how many buffers to use. */
Pylon.EventGrabberSetNumBuffers(hEventGrabber, NUM_EVENT_BUFFERS);
/* ... Open the event grabber. */
Pylon.EventGrabberOpen(hEventGrabber); /* The event grabber is now ready
* for receiving events. */
/* Retrieve the wait object that is associated with the event grabber. The event
* will be signaled when an event message has been received. */
hWaitEvent = Pylon.EventGrabberGetWaitObject(hEventGrabber);
/* For extracting the event data from an event message, an event adapter is used. */
hEventAdapter = Pylon.DeviceCreateEventAdapter(hDev);
if (!hEventAdapter.IsValid)
{
/* The transport layer doesn't support event grabbers. */
throw new Exception("No event adapter supported.");
}
/* Register the callback function for the ExposureEndEventFrameID parameter. */
/*.Get the node map containing all parameters. */
hNodeMap = Pylon.DeviceGetNodeMap(hDev);
/* Get the ExposureEndEventFrameID parameter.
* Select the parameter name depending on the SFNC version used by the camera device.
*/
if (sfncVersionMajor >= 2)
{
hNode = GenApi.NodeMapGetNode(hNodeMap, "EventExposureEndFrameID");
}
else
{
hNode = GenApi.NodeMapGetNode(hNodeMap, "ExposureEndEventFrameID");
}
if (!hNode.IsValid)
{
/* There is no ExposureEndEventFrameID parameter. */
throw new Exception("There is no ExposureEndEventFrameID or EventExposureEndFrameID parameter!");
}
/* ... Register the callback function. */
callbackHandler.CallbackEvent += new NodeCallbackHandler.NodeCallback(endOfExposureCallback);
hCallback = GenApi.NodeRegisterCallback(hNode, callbackHandler);
/* Put the wait objects into a container. */
/* ... Create the container. */
hWaitObjects = Pylon.WaitObjectsCreate();
/* ... Add the wait objects' handles. */
Pylon.WaitObjectsAdd(hWaitObjects, hWaitEvent);
Pylon.WaitObjectsAdd(hWaitObjects, hWaitStream);
/* Let the camera acquire images. */
Pylon.DeviceExecuteCommandFeature(hDev, "AcquisitionStart");
/* Grab NUM_GRABS images. */
nGrabs = 0; /* Counts the number of images grabbed. */
while (nGrabs < NUM_GRABS)
{
int bufferIndex; /* Index of the buffer. */
uint waitObjectIndex; /* Index of the wait object that is signalled.*/
Byte min, max;
/* Wait for either an image buffer grabbed or an event received. Wait up to 1000 ms. */
isReady = Pylon.WaitObjectsWaitForAny(hWaitObjects, 1000, out waitObjectIndex);
if (!isReady)
{
/* Timeout occurred. */
throw new Exception("Timeout. Neither grabbed an image nor received an event.");
}
if (0 == waitObjectIndex)
{
/* hWaitEvent has been signalled. At least one event message is available. Retrieve it. */
isReady = Pylon.EventGrabberRetrieveEvent(hEventGrabber, ref eventMsg);
if (!isReady)
{
/* Oops. No event message available? We should never have reached this point.
* Since the wait operation above returned without a timeout, an event message
* should be available. */
throw new Exception("Failed to retrieve an event.");
}
/* Check to see if the event was successfully received. */
if (0 == eventMsg.ErrorCode)
{
/* Successfully received an event message. */
/* Pass the event message to the event adapter. The event adapter will
* update the parameters related to events and will fire the callbacks
* registered to event related parameters. */
Pylon.EventAdapterDeliverMessage(hEventAdapter, eventMsg);
}
else
{
Console.Error.WriteLine("Error when receiving an event: {1}", eventMsg.ErrorCode);
}
}
else if (1 == waitObjectIndex)
{
/* hWaitStream has been signalled. The result of at least one grab
* operation is available. Retrieve it. */
isReady = Pylon.StreamGrabberRetrieveResult(hStreamGrabber, out grabResult);
if (!isReady)
{
/* Oops. No grab result available? We should never have reached this point.
* Since the wait operation above returned without a timeout, a grab result
* should be available. */
throw new Exception("Failed to retrieve a grab result.");
}
nGrabs++;
/* Get the buffer index from the context information. */
bufferIndex = (int)grabResult.Context;
/* Check to see if the image was grabbed successfully. */
if (grabResult.Status == EPylonGrabStatus.Grabbed)
{
/* Success. Perform image processing. Since we passed more than one buffer
* to the stream grabber, the remaining buffers are filled while
* we do the image processing. The processed buffer won't be touched by
* the stream grabber until we pass it back to the stream grabber. */
PylonBuffer <Byte> buffer; /* Reference to the buffer attached to the grab result. */
/* Get the buffer from the dictionary. Since we also got the buffer index,
* we could alternatively use an array, e.g. buffers[bufferIndex]. */
if (!buffers.TryGetValue(grabResult.hBuffer, out buffer))
{
/* Oops. No buffer available? We should never have reached this point. Since all buffers are
* in the dictionary. */
throw new Exception("Failed to find the buffer associated with the handle returned in grab result.");
}
getMinMax(buffer.Array, out min, out max);
Console.WriteLine("Grabbed frame {0} into buffer {1}. Min. gray value = {2}, Max. gray value = {3}",
nGrabs, bufferIndex, min, max);
}
else if (grabResult.Status == EPylonGrabStatus.Failed)
{
Console.Error.WriteLine("Frame {0} wasn't grabbed successfully. Error code = {1}",
nGrabs, grabResult.ErrorCode);
}
/* Once finished with the processing, requeue the buffer to be filled again. */
Pylon.StreamGrabberQueueBuffer(hStreamGrabber, grabResult.hBuffer, bufferIndex);
}
}
/* Clean up. */
/* ... Stop the camera. */
Pylon.DeviceExecuteCommandFeature(hDev, "AcquisitionStop");
/* ... Switch off the events. */
Pylon.DeviceFeatureFromString(hDev, "EventSelector", "ExposureEnd");
Pylon.DeviceFeatureFromString(hDev, "EventNotification", "Off");
/* ... We must issue a cancel call to ensure that all pending buffers are put into the
* stream grabber's output queue. */
Pylon.StreamGrabberCancelGrab(hStreamGrabber);
/* ... The buffers can now be retrieved from the stream grabber. */
do
{
isReady = Pylon.StreamGrabberRetrieveResult(hStreamGrabber, out grabResult);
} while (isReady);
/* ... When all buffers are retrieved from the stream grabber, they can be deregistered.
* After deregistering the buffers, it is safe to free the memory. */
foreach (KeyValuePair <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> > pair in buffers)
{
Pylon.StreamGrabberDeregisterBuffer(hStreamGrabber, pair.Key);
pair.Value.Dispose();
}
buffers = null;
/* ... Release grabbing related resources. */
Pylon.StreamGrabberFinishGrab(hStreamGrabber);
/* After calling PylonStreamGrabberFinishGrab(), parameters that impact the payload size (e.g.,
* the AOI width and height parameters) are unlocked and can be modified again. */
/* ... Close the stream grabber. */
Pylon.StreamGrabberClose(hStreamGrabber);
/* ... Deregister the callback. */
GenApi.NodeDeregisterCallback(hNode, hCallback);
/* ... Close the event grabber.*/
Pylon.EventGrabberClose(hEventGrabber);
/* ... Release the event adapter. */
Pylon.DeviceDestroyEventAdapter(hDev, hEventAdapter);
/* ... Release the wait object container. */
Pylon.WaitObjectsDestroy(hWaitObjects);
/* ... Close and release the pylon device. The stream grabber becomes invalid
* after closing the pylon device. Don't call stream grabber related methods after
* closing or releasing the device. */
Pylon.DeviceClose(hDev);
Pylon.DestroyDevice(hDev);
/* ... Shut down the pylon runtime system. Don't call any pylon method after
* calling PylonTerminate(). */
Pylon.Terminate();
Console.Error.WriteLine("\nPress enter to exit.");
Console.ReadLine();
}
catch (Exception e)
{
/* Retrieve the error message. */
string msg = GenApi.GetLastErrorMessage() + "\n" + GenApi.GetLastErrorDetail();
Console.Error.WriteLine("Exception caught:");
Console.Error.WriteLine(e.Message);
if (msg != "\n")
{
Console.Error.WriteLine("Last error message:");
Console.Error.WriteLine(msg);
}
try
{
if (hDev.IsValid)
{
/* Disable the software trigger. */
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
/* ... Close and release the pylon device. */
if (Pylon.DeviceIsOpen(hDev))
{
Pylon.DeviceClose(hDev);
}
Pylon.DestroyDevice(hDev);
}
}
catch (Exception)
{
/*No further handling here.*/
}
Pylon.Terminate(); /* Releases all pylon resources. */
Console.Error.WriteLine("\nPress enter to exit.");
Console.ReadLine();
Environment.Exit(1);
}
}
//打开相机
public override void OpenCameraSoftTrigger(string DCF_Name)
{
bool isAvail;
Pylon.Initialize();
/* Enumerate all camera devices. You must call PylonEnumerateDevices() before creating a device. */
numDevices = Pylon.EnumerateDevices();
if (0 == numDevices)
{
MessageBox.Show("没有找到相机");
return;
}
else
{
/* Get a handle for the first device found. */
hDev = Pylon.CreateDeviceByIndex(0);
}
/* Before using the device, it must be opened. Open it for configuring parameters and for grabbing images. */
Pylon.DeviceOpen(hDev, Pylon.cPylonAccessModeControl | Pylon.cPylonAccessModeStream);
/* Set the pixel format to Mono8, where gray values will be output as 8 bit values for each pixel. */
/* ... Check first to see if the device supports the Mono8 format. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_PixelFormat_Mono8");
if (!isAvail)
{
/* Feature is not available. */
MessageBox.Show("设备不支持8位灰度图像");
}
/* ... Set the pixel format to Mono8. */
Pylon.DeviceFeatureFromString(hDev, "PixelFormat", "Mono8");
/* Disable acquisition start trigger if available. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_AcquisitionStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "AcquisitionStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* Disable frame burst start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameBurstStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameBurstStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* Disable frame start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* For GigE cameras, we recommend increasing the packet size for better
* performance. If the network adapter supports jumbo frames, set the packet
* size to a value > 1500, e.g., to 8192. In this sample, we only set the packet size
* to 1500. */
/* ... Check first to see if the GigE camera packet size parameter is supported and if it is writable. */
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "GevSCPSPacketSize");
if (isAvail)
{
/* ... The device supports the packet size feature. Set a value. */
Pylon.DeviceSetIntegerFeature(hDev, "GevSCPSPacketSize", 1500);
}
}
/* There are camera features that behave like enumerations. These features can take a value from a fixed
* set of possible values. One example is the pixel format feature. This function illustrates how to deal with
* enumeration features.
*
*/
private static void demonstrateEnumFeature(PYLON_DEVICE_HANDLE hDev)
{
string value; /* The current value of the feature. */
bool isWritable,
supportsMono8,
supportsYUV422Packed,
supportsMono16;
/* The allowed values for an enumeration feature are represented as strings. Use the
* PylonDeviceFeatureFromString() and PylonDeviceFeatureToString() methods for setting and getting
* the value of an enumeration feature. */
/* Get the current value of the enumeration feature. */
value = Pylon.DeviceFeatureToString(hDev, "PixelFormat");
Console.WriteLine("PixelFormat: {0}", value);
/*
* For an enumeration feature, the pylon Viewer's "Feature Documentation" window lists the
* names of the possible values. Some of the values might not be supported by the device.
* To check if a certain "SomeValue" value for a "SomeFeature" feature can be set, call the
* PylonDeviceFeatureIsAvailable() function with "EnumEntry_SomeFeature_SomeValue" as an argument.
*/
/* Check to see if the Mono8 pixel format can be set. */
supportsMono8 = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_PixelFormat_Mono8");
Console.WriteLine("Mono8 {0} a supported value for the PixelFormat feature.", supportsMono8 ? "is" : "isn't");
/* Check to see if the YUV422Packed pixel format can be set. */
supportsYUV422Packed = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_PixelFormat_YUV422Packed");
Console.WriteLine("YUV422Packed {0} a supported value for the PixelFormat feature.", supportsYUV422Packed ? "is" : "isn't");
/* Check to see if the Mono16 pixel format can be set. */
supportsMono16 = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_PixelFormat_Mono16");
Console.WriteLine("Mono16 {0} a supported value for the PixelFormat feature.", supportsMono16 ? "is" : "isn't");
/* Before writing a value, we recommend checking to see if the enumeration feature itself is
* currently writable. */
isWritable = Pylon.DeviceFeatureIsWritable(hDev, "PixelFormat");
if (isWritable)
{
/* The PixelFormat feature is writable. Set it to one of the supported values. */
if (supportsMono16)
{
Console.WriteLine("Setting PixelFormat to Mono16.");
Pylon.DeviceFeatureFromString(hDev, "PixelFormat", "Mono16");
}
else if (supportsYUV422Packed)
{
Console.WriteLine("Setting PixelFormat to YUV422Packed.");
Pylon.DeviceFeatureFromString(hDev, "PixelFormat", "YUV422Packed");
}
else if (supportsMono8)
{
Console.WriteLine("Setting PixelFormat to Mono8.");
Pylon.DeviceFeatureFromString(hDev, "PixelFormat", "Mono8");
}
/* Reset the PixelFormat feature to its previous value. */
Pylon.DeviceFeatureFromString(hDev, "PixelFormat", value);
}
}
const uint NUM_BUFFERS = 2; /* Number of buffers used for grabbing. */
static void Main(string[] args)
{
PYLON_DEVICE_HANDLE hDev = new PYLON_DEVICE_HANDLE(); /* Handle for the pylon device. */
try
{
uint numDevices; /* Number of available devices. */
PYLON_STREAMGRABBER_HANDLE hGrabber; /* Handle for the pylon stream grabber. */
PYLON_CHUNKPARSER_HANDLE hChunkParser; /* Handle for the parser extracting the chunk data. */
PYLON_WAITOBJECT_HANDLE hWait; /* Handle used for waiting for a grab to be finished. */
uint payloadSize; /* Size of an image frame in bytes. */
Dictionary <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> > buffers; /* Holds handles and buffers used for grabbing. */
PylonGrabResult_t grabResult; /* Stores the result of a grab operation. */
int nGrabs; /* Counts the number of buffers grabbed. */
uint nStreams; /* The number of streams the device provides. */
bool isAvail; /* Used for checking feature availability */
bool isReady; /* Used as an output parameter */
int i; /* Counter. */
string triggerSelectorValue = "FrameStart"; /* Preselect the trigger for image acquisition */
bool isAvailFrameStart; /* Used for checking feature availability */
bool isAvailAcquisitionStart; /* Used for checking feature availability */
#if DEBUG
/* This is a special debug setting needed only for GigE cameras.
* See 'Building Applications with pylon' in the programmers guide */
Environment.SetEnvironmentVariable("PYLON_GIGE_HEARTBEAT", "300000" /*ms*/);
#endif
/* Before using any pylon methods, the pylon runtime must be initialized. */
Pylon.Initialize();
/* Enumerate all camera devices. You must call
* PylonEnumerateDevices() before creating a device. */
numDevices = Pylon.EnumerateDevices();
if (0 == numDevices)
{
throw new Exception("No devices found!");
}
/* Get a handle for the first device found. */
hDev = Pylon.CreateDeviceByIndex(0);
/* Before using the device, it must be opened. Open it for configuring
* parameters and for grabbing images. */
Pylon.DeviceOpen(hDev, Pylon.cPylonAccessModeControl | Pylon.cPylonAccessModeStream);
/* Set the pixel format to Mono8, where gray values will be output as 8 bit values for each pixel. */
/* ... Check first to see if the device supports the Mono8 format. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_PixelFormat_Mono8");
if (!isAvail)
{
/* Feature is not available. */
throw new Exception("Device doesn't support the Mono8 pixel format.");
}
/* ... Set the pixel format to Mono8. */
Pylon.DeviceFeatureFromString(hDev, "PixelFormat", "Mono8");
/* Check the available camera trigger mode(s) to select the appropriate one: acquisition start trigger mode (used by previous cameras;
* do not confuse with acquisition start command) or frame start trigger mode (equivalent to previous acquisition start trigger mode). */
isAvailAcquisitionStart = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_AcquisitionStart");
isAvailFrameStart = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameStart");
/* Check to see if the camera implements the acquisition start trigger mode only. */
if (isAvailAcquisitionStart && !isAvailFrameStart)
{
/* Camera uses the acquisition start trigger as the only trigger mode. */
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "AcquisitionStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "On");
triggerSelectorValue = "AcquisitionStart";
}
else
{
/* Camera may have the acquisition start trigger mode and the frame start trigger mode implemented.
* In this case, the acquisition trigger mode must be switched off. */
if (isAvailAcquisitionStart)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "AcquisitionStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* Disable frame burst start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameBurstStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameBurstStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* To trigger each single frame by software or external hardware trigger: Enable the frame start trigger mode. */
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "On");
}
/* Note: the trigger selector must be set to the appropriate trigger mode
* before setting the trigger source or issuing software triggers.
* Frame start trigger mode for newer cameras, acquisition start trigger mode for previous cameras. */
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", triggerSelectorValue);
/* Enable software triggering. */
/* ... Select the software trigger as the trigger source. */
Pylon.DeviceFeatureFromString(hDev, "TriggerSource", "Software");
/* When using software triggering, the Continuous frame mode should be used. Once
* acquisition is started, the camera sends one image each time a software trigger is
* issued. */
Pylon.DeviceFeatureFromString(hDev, "AcquisitionMode", "Continuous");
/* For GigE cameras, we recommend increasing the packet size for better
* performance. If the network adapter supports jumbo frames, set the packet
* size to a value > 1500, e.g., to 8192. In this sample, we only set the packet size
* to 1500. */
/* ... Check first to see if the GigE camera packet size parameter is supported and if it is writable. */
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "GevSCPSPacketSize");
if (isAvail)
{
/* ... The device supports the packet size feature. Set a value. */
Pylon.DeviceSetIntegerFeature(hDev, "GevSCPSPacketSize", 1500);
}
/* Before enabling individual chunks, the chunk mode in general must be activated. */
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "ChunkModeActive");
if (!isAvail)
{
throw new Exception("The device doesn't support the chunk mode.");
}
/* Activate the chunk mode. */
Pylon.DeviceSetBooleanFeature(hDev, "ChunkModeActive", true);
/* Enable some individual chunks... */
/* ... The frame counter chunk feature. */
/* Is the chunk feature available? */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_ChunkSelector_Framecounter");
if (isAvail)
{
/* Select the frame counter chunk feature. */
Pylon.DeviceFeatureFromString(hDev, "ChunkSelector", "Framecounter");
/* Can the chunk feature be activated? */
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "ChunkEnable");
if (isAvail)
{
/* Activate the chunk feature. */
Pylon.DeviceSetBooleanFeature(hDev, "ChunkEnable", true);
}
}
/* ... The CRC checksum chunk feature. */
/* Note: Enabling the CRC checksum chunk feature is not a prerequisite for using
* chunks. Chunks can also be handled when the CRC checksum chunk feature is disabled. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_ChunkSelector_PayloadCRC16");
if (isAvail)
{
/* Select the CRC checksum chunk feature. */
Pylon.DeviceFeatureFromString(hDev, "ChunkSelector", "PayloadCRC16");
/* Can the chunk feature be activated? */
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "ChunkEnable");
if (isAvail)
{
/* Activate the chunk feature. */
Pylon.DeviceSetBooleanFeature(hDev, "ChunkEnable", true);
}
}
/* The data block containing the image chunk and the other chunks has a self-descriptive layout.
* A chunk parser is used to extract the appended chunk data from the grabbed image frame.
* Create a chunk parser. */
hChunkParser = Pylon.DeviceCreateChunkParser(hDev);
if (!hChunkParser.IsValid)
{
/* The transport layer doesn't provide a chunk parser. */
throw new Exception("No chunk parser available.");
}
/* Image grabbing is done using a stream grabber.
* A device may be able to provide different streams. A separate stream grabber must
* be used for each stream. In this sample, we create a stream grabber for the default
* stream, i.e., the first stream ( index == 0 ).
*/
/* Get the number of streams supported by the device and the transport layer. */
nStreams = Pylon.DeviceGetNumStreamGrabberChannels(hDev);
if (nStreams < 1)
{
throw new Exception("The transport layer doesn't support image streams.");
}
/* Create and open a stream grabber for the first channel. */
hGrabber = Pylon.DeviceGetStreamGrabber(hDev, 0);
Pylon.StreamGrabberOpen(hGrabber);
/* Get a handle for the stream grabber's wait object. The wait object
* allows waiting for buffers to be filled with grabbed data. */
hWait = Pylon.StreamGrabberGetWaitObject(hGrabber);
/* Determine the required size of the grab buffer. Since activating chunks will increase the
* payload size and thus the required buffer size, do this after enabling the chunks. */
payloadSize = checked ((uint)Pylon.DeviceGetIntegerFeature(hDev, "PayloadSize"));
/* We must tell the stream grabber the number and size of the buffers
* we are using. */
/* .. We will not use more than NUM_BUFFERS for grabbing. */
Pylon.StreamGrabberSetMaxNumBuffer(hGrabber, NUM_BUFFERS);
/* .. We will not use buffers bigger than payloadSize bytes. */
Pylon.StreamGrabberSetMaxBufferSize(hGrabber, payloadSize);
/* Allocate the resources required for grabbing. After this, critical parameters
* that impact the payload size must not be changed until FinishGrab() is called. */
Pylon.StreamGrabberPrepareGrab(hGrabber);
/* Before using the buffers for grabbing, they must be registered at
* the stream grabber. For each registered buffer, a buffer handle
* is returned. After registering, these handles are used instead of the
* buffer objects pointers. The buffer objects are held in a dictionary,
* that provides access to the buffer using a handle as key.
*/
buffers = new Dictionary <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> >();
for (i = 0; i < NUM_BUFFERS; ++i)
{
PylonBuffer <Byte> buffer = new PylonBuffer <byte>(payloadSize, true);
PYLON_STREAMBUFFER_HANDLE handle = Pylon.StreamGrabberRegisterBuffer(hGrabber, ref buffer);
buffers.Add(handle, buffer);
}
/* Feed the buffers into the stream grabber's input queue. For each buffer, the API
* allows passing in an integer as additional context information. This integer
* will be returned unchanged when the grab is finished. In our example, we use the index of the
* buffer as context information. */
i = 0;
foreach (KeyValuePair <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> > pair in buffers)
{
Pylon.StreamGrabberQueueBuffer(hGrabber, pair.Key, i++);
}
/* Issue an acquisition start command. Because the trigger mode is enabled, issuing the start command
* itself will not trigger any image acquisitions. Issuing the start command simply prepares the camera.
* Once the camera is prepared it will acquire one image for every trigger it receives. */
Pylon.DeviceExecuteCommandFeature(hDev, "AcquisitionStart");
/* Trigger the first image. */
Pylon.DeviceExecuteCommandFeature(hDev, "TriggerSoftware");
/* Grab NUM_GRABS images. */
nGrabs = 0; /* Counts the number of images grabbed. */
while (nGrabs < NUM_GRABS)
{
int bufferIndex; /* Index of the buffer. */
Byte min = 255, max = 0;
long chunkWidth = 0; /* data retrieved from the chunk parser */
long chunkHeight = 0; /* data retrieved from the chunk parser */
/* Wait for the next buffer to be filled. Wait up to 1000 ms. */
isReady = Pylon.WaitObjectWait(hWait, 1000);
if (!isReady)
{
/* Timeout occurred. */
throw new Exception("Grab timeout occurred.\n");
}
/* Since the wait operation was successful, the result of at least one grab
* operation is available. Retrieve it. */
isReady = Pylon.StreamGrabberRetrieveResult(hGrabber, out grabResult);
if (!isReady)
{
/* Oops. No grab result available? We should never have reached this point.
* Since the wait operation above returned without a timeout, a grab result
* should be available. */
throw new Exception("Failed to retrieve a grab result.\n");
}
nGrabs++;
/* Trigger the next image. Since we passed more than one buffer to the stream grabber,
* the triggered image will be grabbed while the image processing is performed. */
Pylon.DeviceExecuteCommandFeature(hDev, "TriggerSoftware");
/* Get the buffer index from the context information. */
bufferIndex = (int)grabResult.Context;
/* Check to see if the image was grabbed successfully. */
if (grabResult.Status == EPylonGrabStatus.Grabbed)
{
/* The grab is successful. */
PylonBuffer <Byte> buffer; /* Reference to the buffer attached to the grab result. */
/* Get the buffer from the dictionary. Since we also got the buffer index,
* we could alternatively use an array, e.g. buffers[bufferIndex]. */
if (!buffers.TryGetValue(grabResult.hBuffer, out buffer))
{
/* Oops. No buffer available? We should never have reached this point. Since all buffers are
* in the dictionary. */
throw new Exception("Failed to find the buffer associated with the handle returned in grab result.");
}
Console.WriteLine("Grabbed frame {0} into buffer {1}.", nGrabs, bufferIndex);
/* Check to see if we really got image data plus chunk data. */
if (grabResult.PayloadType != EPylonPayloadType.PayloadType_ChunkData)
{
Console.WriteLine("Received a buffer not containing chunk data?");
}
else
{
/* Process the chunk data. This is done by passing the grabbed image buffer
* to the chunk parser. When the chunk parser has processed the buffer, the chunk
* data can be accessed in the same manner as "normal" camera parameters.
* The only exception is the CRC checksum feature. There are dedicated functions for
* checking the CRC checksum. */
bool hasCRC;
/* Let the parser extract the data. */
Pylon.ChunkParserAttachBuffer(hChunkParser, buffer);
/* Check the CRC checksum. */
hasCRC = Pylon.ChunkParserHasCRC(hChunkParser);
if (hasCRC)
{
bool isOk = Pylon.ChunkParserCheckCRC(hChunkParser);
Console.WriteLine("Frame {0} contains a CRC checksum. The checksum {1} ok.", nGrabs, isOk ? "is" : "is not");
}
/* Retrieve the frame counter value. */
/* ... Check the availability. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "ChunkFramecounter");
Console.WriteLine("Frame {0} {1} a frame counter chunk.", nGrabs, isAvail ? "contains" : "doesn't contain");
if (isAvail)
{
/* ... Get the value. */
long counter;
counter = Pylon.DeviceGetIntegerFeature(hDev, "ChunkFramecounter");
Console.WriteLine("Frame counter of frame {0}: {1}.", nGrabs, counter);
}
/* Retrieve the chunk width value. */
/* ... Check the availability. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "ChunkWidth");
Console.WriteLine("Frame {0} {1} a frame width chunk.", nGrabs, isAvail ? "contains" : "doesn't contain");
if (isAvail)
{
/* ... Get the value. */
chunkWidth = Pylon.DeviceGetIntegerFeature(hDev, "ChunkWidth");
Console.WriteLine("Width of frame {0}: {1}.", nGrabs, chunkWidth);
}
/* Retrieve the chunk height value. */
/* ... Check the availability. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "ChunkHeight");
Console.WriteLine("Frame {0} {1} a frame height chunk.", nGrabs, isAvail ? "contains" : "doesn't contain");
if (isAvail)
{
/* ... Get the value. */
chunkHeight = Pylon.DeviceGetIntegerFeature(hDev, "ChunkHeight");
Console.WriteLine("Height of frame {0}: {1}.", nGrabs, chunkHeight);
}
}
/* Perform the image processing. */
getMinMax(buffer.Array, chunkWidth, chunkHeight, out min, out max);
Console.WriteLine("Min. gray value = {0}, Max. gray value = {1}", min, max);
/* Before requeueing the buffer, you should detach it from the chunk parser. */
Pylon.ChunkParserDetachBuffer(hChunkParser); /* Now the chunk data in the buffer is no longer accessible. */
}
else if (grabResult.Status == EPylonGrabStatus.Failed)
{
Console.Error.WriteLine("Frame {0} wasn't grabbed successfully. Error code = {1}", nGrabs, grabResult.ErrorCode);
}
/* Once finished with the processing, requeue the buffer to be filled again. */
Pylon.StreamGrabberQueueBuffer(hGrabber, grabResult.hBuffer, bufferIndex);
}
/* Clean up. */
/* ... Stop the camera. */
Pylon.DeviceExecuteCommandFeature(hDev, "AcquisitionStop");
/* ... We must issue a cancel call to ensure that all pending buffers are put into the
* stream grabber's output queue. */
Pylon.StreamGrabberCancelGrab(hGrabber);
/* ... The buffers can now be retrieved from the stream grabber. */
do
{
isReady = Pylon.StreamGrabberRetrieveResult(hGrabber, out grabResult);
} while (isReady);
/* ... When all buffers are retrieved from the stream grabber, they can be deregistered.
* After deregistering the buffers, it is safe to free the memory */
foreach (KeyValuePair <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> > pair in buffers)
{
Pylon.StreamGrabberDeregisterBuffer(hGrabber, pair.Key);
pair.Value.Dispose();
}
buffers = null;
/* ... Release grabbing related resources. */
Pylon.StreamGrabberFinishGrab(hGrabber);
/* After calling PylonStreamGrabberFinishGrab(), parameters that impact the payload size (e.g.,
* the AOI width and height parameters) are unlocked and can be modified again. */
/* ... Close the stream grabber. */
Pylon.StreamGrabberClose(hGrabber);
/* ... Release the chunk parser. */
Pylon.DeviceDestroyChunkParser(hDev, hChunkParser);
/* Disable the software trigger and chunk mode. */
if (hDev.IsValid)
{
Pylon.DeviceSetBooleanFeature(hDev, "ChunkModeActive", false);
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* ... Close and release the pylon device. The stream grabber becomes invalid
* after closing the pylon device. Don't call stream grabber related methods after
* closing or releasing the device. */
Pylon.DeviceClose(hDev);
Pylon.DestroyDevice(hDev);
/* ... Shut down the pylon runtime system. Don't call any pylon method after
* calling PylonTerminate(). */
Pylon.Terminate();
Console.Error.WriteLine("\nPress enter to exit.");
Console.ReadLine();
}
catch (Exception e)
{
/* Retrieve more details about the error.
* /* Retrieve the error message. */
string msg = GenApi.GetLastErrorMessage() + "\n" + GenApi.GetLastErrorDetail();
Console.Error.WriteLine("Exception caught:");
Console.Error.WriteLine(e.Message);
if (msg != "\n")
{
Console.Error.WriteLine("Last error message:");
Console.Error.WriteLine(msg);
}
try
{
if (hDev.IsValid)
{
/* Disable the software trigger. */
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
/* ... Close and release the pylon device. */
if (Pylon.DeviceIsOpen(hDev))
{
Pylon.DeviceClose(hDev);
}
Pylon.DestroyDevice(hDev);
}
}
catch (Exception)
{
/*No further handling here.*/
}
Pylon.Terminate(); /* Releases all pylon resources. */
Console.Error.WriteLine("\nPress enter to exit.");
Console.ReadLine();
Environment.Exit(1);
}
}
private void initStreamMode()
{
_width = (int)Pylon.DeviceGetIntegerFeature(hDev, "Width");
_height = (int)Pylon.DeviceGetIntegerFeature(hDev, "Height");
/* Print out the name of the camera we are using. */
bool isReadable = Pylon.DeviceFeatureIsReadable(hDev, "DeviceModelName");
if (isReadable)
{
string name = Pylon.DeviceFeatureToString(hDev, "DeviceModelName");
Console.WriteLine("Using camera {0}.", name);
}
/* Set the pixel format to Mono8, where gray values will be output as 8 bit values for each pixel. */
/* ... Check first to see if the device supports the Mono8 format. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_PixelFormat_Mono8");
if (!isAvail)
{
/* Feature is not available. */
throw new Exception("Device doesn't support the Mono8 pixel format.");
}
/* ... Set the pixel format to Mono8. */
bool isWritable = Pylon.DeviceFeatureIsWritable(hDev, "PixelFormat");
if (isWritable)
{
Pylon.DeviceFeatureFromString(hDev, "PixelFormat", "Mono8");
}
/* Disable acquisition start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_AcquisitionStart");
if (isAvail)
{
isWritable = Pylon.DeviceFeatureIsWritable(hDev, "TriggerSelector");
if (isWritable)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "AcquisitionStart");
}
isWritable = Pylon.DeviceFeatureIsWritable(hDev, "TriggerMode");
if (isWritable)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
}
/* Disable frame start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameStart");
if (isAvail)
{
isWritable = Pylon.DeviceFeatureIsWritable(hDev, "TriggerSelector");
if (isWritable)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameStart");
}
isWritable = Pylon.DeviceFeatureIsWritable(hDev, "TriggerMode");
if (isWritable)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
}
/* We will use the Continuous frame mode, i.e., the camera delivers
* images continuously. */
isWritable = Pylon.DeviceFeatureIsWritable(hDev, "AcquisitionMode");
if (isWritable)
{
Pylon.DeviceFeatureFromString(hDev, "AcquisitionMode", "Continuous");
}
/* For GigE cameras, we recommend increasing the packet size for better
* performance. When the network adapter supports jumbo frames, set the packet
* size to a value > 1500, e.g., to 8192. In this sample, we only set the packet size
* to 1500. */
/* ... Check first to see if the GigE camera packet size parameter is supported and if it is writable. */
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "GevSCPSPacketSize");
if (isAvail)
{
/* ... The device supports the packet size feature. Set a value. */
isWritable = Pylon.DeviceFeatureIsWritable(hDev, "GevSCPSPacketSize");
if (isWritable)
{
Pylon.DeviceSetIntegerFeature(hDev, "GevSCPSPacketSize", GevSCPSPacketSize);
}
}
_isModelValid = isAvail;
/* Determine the required size of the grab buffer. */
payloadSize = checked ((uint)Pylon.DeviceGetIntegerFeature(hDev, "PayloadSize"));
/* Image grabbing is done using a stream grabber.
* A device may be able to provide different streams. A separate stream grabber must
* be used for each stream. In this sample, we create a stream grabber for the default
* stream, i.e., the first stream ( index == 0 ).
*/
/* Get the number of streams supported by the device and the transport layer. */
nStreams = Pylon.DeviceGetNumStreamGrabberChannels(hDev);
if (nStreams < 1)
{
throw new Exception("The transport layer doesn't support image streams.");
}
/* Create and open a stream grabber for the first channel. */
hGrabber = Pylon.DeviceGetStreamGrabber(hDev, 0);
Pylon.StreamGrabberOpen(hGrabber);
/* Get a handle for the stream grabber's wait object. The wait object
* allows waiting for buffers to be filled with grabbed data. */
hWait = Pylon.StreamGrabberGetWaitObject(hGrabber);
/* We must tell the stream grabber the number and size of the buffers
* we are using. */
/* .. We will not use more than NUM_BUFFERS for grabbing. */
Pylon.StreamGrabberSetMaxNumBuffer(hGrabber, NUM_BUFFERS);
/* .. We will not use buffers bigger than payloadSize bytes. */
Pylon.StreamGrabberSetMaxBufferSize(hGrabber, payloadSize);
/* Allocate the resources required for grabbing. After this, critical parameters
* that impact the payload size must not be changed until FinishGrab() is called. */
Pylon.StreamGrabberPrepareGrab(hGrabber);
/* Before using the buffers for grabbing, they must be registered at
* the stream grabber. For each registered buffer, a buffer handle
* is returned. After registering, these handles are used instead of the
* buffer objects pointers. The buffer objects are held in a dictionary,
* that provides access to the buffer using a handle as key.
*/
buffers = new Dictionary <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> >();
int i;
for (i = 0; i < NUM_BUFFERS; ++i)
{
PylonBuffer <Byte> buffer = new PylonBuffer <byte>(payloadSize, true);
PYLON_STREAMBUFFER_HANDLE handle = Pylon.StreamGrabberRegisterBuffer(hGrabber, ref buffer);
buffers.Add(handle, buffer);
}
/* Feed the buffers into the stream grabber's input queue. For each buffer, the API
* allows passing in an integer as additional context information. This integer
* will be returned unchanged when the grab is finished. In our example, we use the index of the
* buffer as context information. */
i = 0;
foreach (KeyValuePair <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> > pair in buffers)
{
Pylon.StreamGrabberQueueBuffer(hGrabber, pair.Key, i++);
}
}
static void Main(string[] args)
{
PYLON_DEVICE_HANDLE hDev = new PYLON_DEVICE_HANDLE(); /* Handle for the pylon device. */
try
{
uint numDevices; /* Number of available devices. */
const int numGrabs = 10; /* Number of images to grab. */
PylonBuffer <Byte> imgBuf = null; /* Buffer used for grabbing. */
bool isAvail;
int i;
#if DEBUG
/* This is a special debug setting needed only for GigE cameras.
* See 'Building Applications with pylon' in the Programmer's Guide. */
Environment.SetEnvironmentVariable("PYLON_GIGE_HEARTBEAT", "300000" /*ms*/);
#endif
/* Before using any pylon methods, the pylon runtime must be initialized. */
Pylon.Initialize();
/* Enumerate all camera devices. You must call
* PylonEnumerateDevices() before creating a device. */
numDevices = Pylon.EnumerateDevices();
if (0 == numDevices)
{
throw new Exception("No devices found.");
}
/* Get a handle for the first device found. */
hDev = Pylon.CreateDeviceByIndex(0);
/* Before using the device, it must be opened. Open it for configuring
* parameters and for grabbing images. */
Pylon.DeviceOpen(hDev, Pylon.cPylonAccessModeControl | Pylon.cPylonAccessModeStream);
/* Set the pixel format to Mono8, where gray values will be output as 8 bit values for each pixel. */
/* ... Check first to see if the device supports the Mono8 format. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_PixelFormat_Mono8");
if (!isAvail)
{
/* Feature is not available. */
throw new Exception("Device doesn't support the Mono8 pixel format.");
}
/* ... Set the pixel format to Mono8. */
Pylon.DeviceFeatureFromString(hDev, "PixelFormat", "Mono8");
/* Disable acquisition start trigger if available. */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_AcquisitionStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "AcquisitionStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* Disable frame burst start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameBurstStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameBurstStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* Disable frame start trigger if available */
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
/* For GigE cameras, we recommend increasing the packet size for better
* performance. If the network adapter supports jumbo frames, set the packet
* size to a value > 1500, e.g., to 8192. In this sample, we only set the packet size
* to 1500. */
/* ... Check first to see if the GigE camera packet size parameter is supported
* and if it is writable. */
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "GevSCPSPacketSize");
if (isAvail)
{
/* ... The device supports the packet size feature. Set a value. */
Pylon.DeviceSetIntegerFeature(hDev, "GevSCPSPacketSize", 1500);
}
/* Grab some images in a loop. */
for (i = 0; i < numGrabs; ++i)
{
Byte min, max;
PylonGrabResult_t grabResult;
/* Grab one single frame from stream channel 0. The
* camera is set to "single frame" acquisition mode.
* Wait up to 500 ms for the image to be grabbed.
* If imgBuf is null a buffer is automatically created with the right size.*/
if (!Pylon.DeviceGrabSingleFrame(hDev, 0, ref imgBuf, out grabResult, 500))
{
/* Timeout occurred. */
Console.WriteLine("Frame {0}: timeout.", i + 1);
}
/* Check to see if the image was grabbed successfully. */
if (grabResult.Status == EPylonGrabStatus.Grabbed)
{
/* Success. Perform image processing. */
getMinMax(imgBuf.Array, grabResult.SizeX, grabResult.SizeY, out min, out max);
Console.WriteLine("Grabbed frame {0}. Min. gray value = {1}, Max. gray value = {2}", i + 1, min, max);
/* Display image */
Pylon.ImageWindowDisplayImage <Byte>(0, imgBuf, grabResult);
}
else if (grabResult.Status == EPylonGrabStatus.Failed)
{
Console.Error.WriteLine("Frame {0} wasn't grabbed successfully. Error code = {1}", i + 1, grabResult.ErrorCode);
}
}
/* Release the buffer. */
imgBuf.Dispose();
/* Clean up. Close and release the pylon device. */
Pylon.DeviceClose(hDev);
Pylon.DestroyDevice(hDev);
/* Free memory for grabbing. */
imgBuf = null;
Console.Error.WriteLine("\nPress enter to exit.");
Console.ReadLine();
/* Shut down the pylon runtime system. Don't call any pylon method after
* calling Pylon.Terminate(). */
Pylon.Terminate();
}
catch (Exception e)
{
/* Retrieve the error message. */
string msg = GenApi.GetLastErrorMessage() + "\n" + GenApi.GetLastErrorDetail();
Console.Error.WriteLine("Exception caught:");
Console.Error.WriteLine(e.Message);
if (msg != "\n")
{
Console.Error.WriteLine("Last error message:");
Console.Error.WriteLine(msg);
}
try
{
if (hDev.IsValid)
{
/* ... Close and release the pylon device. */
if (Pylon.DeviceIsOpen(hDev))
{
Pylon.DeviceClose(hDev);
}
Pylon.DestroyDevice(hDev);
}
}
catch (Exception)
{
/*No further handling here.*/
}
Pylon.Terminate(); /* Releases all pylon resources. */
Console.Error.WriteLine("\nPress enter to exit.");
Console.ReadLine();
Environment.Exit(1);
}
}
static void Main(string[] args)
{
for (uint i = 0; i < args.Length; i++)
{
switch (args[i])
{
case par_cameraSerialNumber:
arg_cameraSerialNumber = args[i + 1];
i++;
break;
case par_pathToFile:
arg_pathToFile = args[i + 1];
i++;
break;
case par_imageFormat:
arg_imageFormat = args[i + 1];
i++;
break;
case par_packageSize:
arg_packageSize = args[i + 1];
i++;
break;
case par_interPackageDelay:
arg_interPackageDelay = args[i + 1];
i++;
break;
case par_attemptsToGrab:
arg_attemptsToGrab = args[i + 1];
i++;
break;
case par_exposureTime:
arg_exposureTime = args[i + 1];
i++;
break;
default:
break;
}
}
//arg_exposureTime = "35000";
bool error = false;
if (arg_pathToFile.Length == 0)
{
Console.WriteLine("Path to file is empty");
error = true;
}
if (!(arg_imageFormat.Equals("BMP") || !arg_imageFormat.Equals("PNG") || !arg_imageFormat.Equals("JPG") || !arg_imageFormat.Equals("RAW") || !arg_imageFormat.Equals("TIFF")))
{
Console.WriteLine("File format should be [BMP|PNG|JPG|RAW|TIFF]");
error = true;
}
if (arg_cameraSerialNumber.Length == 0)
{
Console.WriteLine("Camera serial number is empty");
error = true;
}
int exposureTime = 0;
try
{
exposureTime = Int32.Parse(arg_exposureTime);
}
catch (Exception e)
{
Console.WriteLine("Wrong exposure time value");
error = true;
}
int interPackageDelay = 0;
try
{
interPackageDelay = Int32.Parse(arg_interPackageDelay);
}
catch (Exception e)
{
Console.WriteLine("Wrong interPackageDelay value");
error = true;
}
int attemptsToGrap = 0;
try
{
attemptsToGrap = Int16.Parse(arg_attemptsToGrab);
}catch (Exception e) {
Console.WriteLine("Wrong attempts to grab value");
error = true;
}
//sodapef
if (error)
{
Console.WriteLine("Parameters usage:");
Console.WriteLine("-s Camera serial number");
Console.WriteLine("-o Path to file");
Console.WriteLine("-d Inter package delay in ticks (default 1000)");
Console.WriteLine("-a Attempts tp grab image (default 1)");
Console.WriteLine("-p Package size (default 1500)");
Console.WriteLine("-e Exposure time (default 35000)");
Console.WriteLine("-f Image format [BMP|PNG|JPG|RAW|TIFF]");
return;
}
PYLON_DEVICE_HANDLE hDev = new PYLON_DEVICE_HANDLE(); /* Handle for the pylon device. */
try
{
uint numDevices; /* Number of available devices. */
const int numGrabs = 1; /* Number of images to grab. */
PylonBuffer <Byte> imgBuf = null; /* Buffer used for grabbing. */
bool isAvail;
Pylon.Initialize();
numDevices = Pylon.EnumerateDevices();
if (0 == numDevices)
{
Console.WriteLine("Error: No devices found");
return;
}
bool deviceFound = false;
uint deviceNum = 0;
for (uint di = 0; di < numDevices; di++)
{
PYLON_DEVICE_INFO_HANDLE hDi = Pylon.GetDeviceInfoHandle((uint)di);
string serial = Pylon.DeviceInfoGetPropertyValueByName(hDi, Pylon.cPylonDeviceInfoSerialNumberKey);
deviceNum = di;
if (serial.Equals(arg_cameraSerialNumber))
{
deviceFound = true;
break;
}
}
if (!deviceFound)
{
Console.WriteLine("Error: No devices found by serial number");
return;
}
hDev = Pylon.CreateDeviceByIndex(deviceNum);
Pylon.DeviceOpen(hDev, Pylon.cPylonAccessModeControl | Pylon.cPylonAccessModeStream | Pylon.cPylonAccessModeExclusive);
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_PixelFormat_Mono8");
if (!isAvail)
{
Console.WriteLine("Error: Device doesn't support the Mono8 pixel format");
return;
}
Pylon.DeviceFeatureFromString(hDev, "PixelFormat", "Mono8");
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_AcquisitionStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "AcquisitionStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameBurstStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameBurstStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_TriggerSelector_FrameStart");
if (isAvail)
{
Pylon.DeviceFeatureFromString(hDev, "TriggerSelector", "FrameStart");
Pylon.DeviceFeatureFromString(hDev, "TriggerMode", "Off");
}
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "GevSCPSPacketSize");
if (isAvail)
{
int packageSize = 1500;
try{
packageSize = Int32.Parse(arg_packageSize);
}
catch (Exception e) { }
Pylon.DeviceSetIntegerFeature(hDev, "GevSCPSPacketSize", packageSize);
}
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "GevSCPD");
if (isAvail)
{
Pylon.DeviceSetIntegerFeature(hDev, "GevSCPD", interPackageDelay);
}
Pylon.DeviceFeatureFromString(hDev, "ExposureAuto", "Off");
/*
* isAvail = Pylon.DeviceFeatureIsWritable(hDev, "ExposureTimeRaw");
* if (isAvail)
* {
* try
* {
* Pylon.DeviceSetFloatFeature(hDev, "ExposureTimeRaw", exposureTime);
* }
* catch (Exception e)
* {
* Console.WriteLine("Some error 1");
* }
* }*/
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "ExposureTimeAbs");
if (isAvail)
{
Pylon.DeviceSetFloatFeature(hDev, "ExposureTimeAbs", (long)exposureTime);
/*
* try{
* Pylon.DeviceSetFloatFeature(hDev, "ExposureTimeAbs", (long)exposureTime);
* }catch (Exception e) {
* //Console.WriteLine("Some error 2");
* }
*/
}
Byte min, max;
PylonGrabResult_t grabResult;
for (int attempt = 0; attempt < attemptsToGrap; attempt++)
{
if (!Pylon.DeviceGrabSingleFrame(hDev, 0, ref imgBuf, out grabResult, 5000))
{
/* Timeout occurred. */
//Console.WriteLine("Frame {0}: timeout.", i + 1);
Console.WriteLine("Error: timeout");
}
/* Check to see if the image was grabbed successfully. */
if (grabResult.Status == EPylonGrabStatus.Grabbed)
{
/* Success. Perform image processing. */
getMinMax(imgBuf.Array, grabResult.SizeX, grabResult.SizeY, out min, out max);
//Console.WriteLine("Grabbed frame {0}. Min. gray value = {1}, Max. gray value = {2}", i + 1, min, max);
Console.WriteLine("Frame grabbed success");
/* Display image */
//Pylon.ImagePersistenceSave<Byte>(EPylonImageFileFormat.ImageFileFormat_Png, "C:\\Users\\v.yakubov\\grabber\\test.png", imgBuf, grabResult.PixelType, (uint)grabResult.SizeX, (uint)grabResult.SizeY, 0, EPylonImageOrientation.ImageOrientation_TopDown);
if (arg_imageFormat.Equals("PNG"))
{
Pylon.ImagePersistenceSave <Byte>(EPylonImageFileFormat.ImageFileFormat_Png, arg_pathToFile, imgBuf, grabResult.PixelType, (uint)grabResult.SizeX, (uint)grabResult.SizeY, 0, EPylonImageOrientation.ImageOrientation_TopDown);
}
else if (arg_imageFormat.Equals("JPG"))
{
Pylon.ImagePersistenceSave <Byte>(EPylonImageFileFormat.ImageFileFormat_Jpeg, arg_pathToFile, imgBuf, grabResult.PixelType, (uint)grabResult.SizeX, (uint)grabResult.SizeY, 0, EPylonImageOrientation.ImageOrientation_TopDown);
}
else if (arg_imageFormat.Equals("RAW"))
{
Pylon.ImagePersistenceSave <Byte>(EPylonImageFileFormat.ImageFileFormat_Raw, arg_pathToFile, imgBuf, grabResult.PixelType, (uint)grabResult.SizeX, (uint)grabResult.SizeY, 0, EPylonImageOrientation.ImageOrientation_TopDown);
}
else if (arg_imageFormat.Equals("TIFF"))
{
Pylon.ImagePersistenceSave <Byte>(EPylonImageFileFormat.ImageFileFormat_Tiff, arg_pathToFile, imgBuf, grabResult.PixelType, (uint)grabResult.SizeX, (uint)grabResult.SizeY, 0, EPylonImageOrientation.ImageOrientation_TopDown);
}
else if (arg_imageFormat.Equals("BMP"))
{
Pylon.ImagePersistenceSave <Byte>(EPylonImageFileFormat.ImageFileFormat_Bmp, arg_pathToFile, imgBuf, grabResult.PixelType, (uint)grabResult.SizeX, (uint)grabResult.SizeY, 0, EPylonImageOrientation.ImageOrientation_TopDown);
}
else
{
Pylon.ImagePersistenceSave <Byte>(EPylonImageFileFormat.ImageFileFormat_Bmp, arg_pathToFile, imgBuf, grabResult.PixelType, (uint)grabResult.SizeX, (uint)grabResult.SizeY, 0, EPylonImageOrientation.ImageOrientation_TopDown);
}
break;
}
else if (grabResult.Status == EPylonGrabStatus.Failed)
{
//Console.Error.WriteLine("Frame {0} wasn't grabbed successfully. Error code = {1}", i + 1, grabResult.ErrorCode);
Console.WriteLine("Error: failed");
}
}
imgBuf.Dispose();
Pylon.DeviceClose(hDev);
Pylon.DestroyDevice(hDev);
imgBuf = null;
Pylon.Terminate();
}
catch (Exception e)
{
try
{
if (hDev.IsValid)
{
if (Pylon.DeviceIsOpen(hDev))
{
Pylon.DeviceClose(hDev);
}
Pylon.DestroyDevice(hDev);
}
}
catch (Exception) {}
Pylon.Terminate(); /* Releases all pylon resources. */
Environment.Exit(1);
}
}
public void cameraInit(string cameraType)
{
//Initiates camera to run in 12 bit mode with continuous acquisition.
int i = 0;
uint NUM_BUFFERS = 10;
if (cameraType == "basler")
{
Pylon.Initialize();
numDevices = Pylon.EnumerateDevices();
if (ConfigurationManager.AppSettings.Get("ipAddress").Length > 0)
{
while (ip != ConfigurationManager.AppSettings.Get("ipAddress"))
{
hDev = Pylon.CreateDeviceByIndex(j);
prop = Pylon.DeviceGetDeviceInfoHandle(hDev);
ip = Pylon.DeviceInfoGetPropertyValueByIndex(prop, 8);
j++;
if (j > numDevices)
{
break;
}
}
}
else
{
numDevices = Pylon.EnumerateDevices();
hDev = Pylon.CreateDeviceByIndex(0);
}
try
{
Pylon.DeviceOpen(hDev, Pylon.cPylonAccessModeControl | Pylon.cPylonAccessModeStream);
}
catch (System.Threading.ThreadAbortException) { }
catch (Exception ex)
{
EmailError.emailAlert(ex);
throw (ex);
}
isAvail = Pylon.DeviceFeatureIsAvailable(hDev, "EnumEntry_PixelFormat_Mono12");
Pylon.DeviceFeatureFromString(hDev, "PixelFormat", "Mono12");
Pylon.DeviceFeatureFromString(hDev, "AcquisitionMode", "Continuous");
Pylon.DeviceSetIntegerFeature(hDev, "Height", 1);
Pylon.DeviceSetFloatFeature(hDev, "ExposureTimeAbs", exp); //Exposure time is in microseconds and rounded to the closest 100 ns.
isAvail = Pylon.DeviceFeatureIsWritable(hDev, "GevSCPSPacketSize");
if (isAvail)
{
Pylon.DeviceSetIntegerFeature(hDev, "GevSCPSPacketSize", 1500);
}
payloadSize = checked ((uint)Pylon.DeviceGetIntegerFeature(hDev, "PayloadSize"));
nStreams = Pylon.DeviceGetNumStreamGrabberChannels(hDev);
hGrabber = Pylon.DeviceGetStreamGrabber(hDev, 0);
Pylon.StreamGrabberOpen(hGrabber);
hWait = Pylon.StreamGrabberGetWaitObject(hGrabber);
Pylon.StreamGrabberSetMaxNumBuffer(hGrabber, NUM_BUFFERS);
Pylon.StreamGrabberSetMaxBufferSize(hGrabber, payloadSize);
Pylon.StreamGrabberPrepareGrab(hGrabber);
buffers = new Dictionary <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> >();
for (i = 0; i < NUM_BUFFERS; ++i)
{
PylonBuffer <Byte> buffer = new PylonBuffer <byte>(payloadSize, true);
PYLON_STREAMBUFFER_HANDLE handle = Pylon.StreamGrabberRegisterBuffer(hGrabber, ref buffer);
buffers.Add(handle, buffer);
}
i = 0;
foreach (KeyValuePair <PYLON_STREAMBUFFER_HANDLE, PylonBuffer <Byte> > pair in buffers)
{
Pylon.StreamGrabberQueueBuffer(hGrabber, pair.Key, i++);
}
Pylon.DeviceExecuteCommandFeature(hDev, "AcquisitionStart");
}
}
/* Open using device.*/
public void Open(PYLON_DEVICE_HANDLE device)
{
try
{
/* Use provided device. */
m_hDevice = device;
/* Before using the device, it must be opened. Open it for configuring
* parameters and for grabbing images. */
Pylon.DeviceOpen(m_hDevice, Pylon.cPylonAccessModeControl | Pylon.cPylonAccessModeStream);
/* Register the callback function. */
m_hRemovalCallback = Pylon.DeviceRegisterRemovalCallback(m_hDevice, m_callbackHandler);
/* For GigE cameras, we recommend increasing the packet size for better
* performance. When the network adapter supports jumbo frames, set the packet
* size to a value > 1500, e.g., to 8192. In this sample, we only set the packet size
* to 1500. */
/* ... Check first to see if the GigE camera packet size parameter is supported and if it is writable. */
if (Pylon.DeviceFeatureIsWritable(m_hDevice, "GevSCPSPacketSize"))
{
/* ... The device supports the packet size feature. Set a value. */
Pylon.DeviceSetIntegerFeature(m_hDevice, "GevSCPSPacketSize", 1500);
}
/* The sample does not work in chunk mode. It must be disabled. */
if (Pylon.DeviceFeatureIsWritable(m_hDevice, "ChunkModeActive"))
{
/* Disable the chunk mode. */
Pylon.DeviceSetBooleanFeature(m_hDevice, "ChunkModeActive", false);
}
/* Disable acquisition start trigger if available. */
if (Pylon.DeviceFeatureIsAvailable(m_hDevice, "EnumEntry_TriggerSelector_AcquisitionStart"))
{
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerSelector", "AcquisitionStart");
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerMode", "Off");
}
/* Disable frame burst start trigger if available */
if (Pylon.DeviceFeatureIsAvailable(m_hDevice, "EnumEntry_TriggerSelector_FrameBurstStart"))
{
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerSelector", "FrameBurstStart");
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerMode", "Off");
}
/* Disable frame start trigger if available. */
if (Pylon.DeviceFeatureIsAvailable(m_hDevice, "EnumEntry_TriggerSelector_FrameStart"))
{
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerSelector", "FrameStart");
Pylon.DeviceFeatureFromString(m_hDevice, "TriggerMode", "Off");
}
/* Image grabbing is done using a stream grabber.
* A device may be able to provide different streams. A separate stream grabber must
* be used for each stream. In this sample, we create a stream grabber for the default
* stream, i.e., the first stream ( index == 0 ).
*/
/* Get the number of streams supported by the device and the transport layer. */
if (Pylon.DeviceGetNumStreamGrabberChannels(m_hDevice) < 1)
{
throw new Exception("The transport layer doesn't support image streams.");
}
/* Create and open a stream grabber for the first channel. */
m_hGrabber = Pylon.DeviceGetStreamGrabber(m_hDevice, 0);
Pylon.StreamGrabberOpen(m_hGrabber);
/* Get a handle for the stream grabber's wait object. The wait object
* allows waiting for m_buffers to be filled with grabbed data. */
m_hWait = Pylon.StreamGrabberGetWaitObject(m_hGrabber);
}
catch
{
/* Get the last error message here, because it could be overwritten by cleaning up. */
UpdateLastError();
try
{
Close(); /* Try to close any open handles. */
}
catch
{
/* Another exception cannot be handled. */
}
throw;
}
/* Notify that the ImageProvider is open and ready for grabbing and configuration. */
OnDeviceOpenedEvent();
}
private void initialize()
{
_initSuccess = true;
/* Before using any pylon methods, the pylon runtime must be initialized. */
Pylon.Initialize();
/* Enumerate all camera devices. You must call
* PylonEnumerateDevices() before creating a device. */
_numDevices = Pylon.EnumerateDevices();
if (0 == _numDevices)
{
_initSuccess = false;
notifyError("No devices found!");
}
/* Get a handle for the first device found. */
_hDev = Pylon.CreateDeviceByIndex(0);
/* Before using the device, it must be opened. Open it for configuring
* parameters and for grabbing images. */
Pylon.DeviceOpen(_hDev, Pylon.cPylonAccessModeControl | Pylon.cPylonAccessModeStream);
/* Set the pixel format to Mono8, where gray values will be output as 8 bit values for each pixel. */
/* ... Check first to see if the device supports the Mono8 format. */
isAvail = Pylon.DeviceFeatureIsAvailable(_hDev, "EnumEntry_PixelFormat_Mono8");
if (!isAvail)
{
/* Feature is not available. */
_initSuccess = false;
notifyError("Device doesn't support the Mono8 pixel format.");
}
else
{
/* ... Set the pixel format to Mono8. */
Pylon.DeviceFeatureFromString(_hDev, "PixelFormat", "Mono8");
}
/* For GigE cameras, we recommend increasing the packet size for better
* performance. If the network adapter supports jumbo frames, set the packet
* size to a value > 1500, e.g., to 8192. In this sample, we only set the packet size
* to 1500. */
/* ... Check first to see if the GigE camera packet size parameter is supported and if it is writable. */
isAvail = Pylon.DeviceFeatureIsWritable(_hDev, "GevSCPSPacketSize");
if (isAvail)
{
/* ... The device supports the packet size feature. Set a value. */
Pylon.DeviceSetIntegerFeature(_hDev, "GevSCPSPacketSize", 1500);
}
setStreamGrabber();
//Free Run Settings
//setFreeRunParams();
setPEGParams(_PEGX, _PEGY);
prepareDevice();
setStatus(GrabInstruction.Initialize, GrabStage.Connected, GrabState.Idle);
notifyStateChange(_bgworker, new GrabImageStatusChangedEventArgs()
{
Status = this.Status
});
}