private void stream()
{
image = new VisionImage();
try
{
imaqdxSession.ConfigureGrab();
}
catch (ObjectDisposedException e)
{
MessageBox.Show(e.Message);
return;
}
for (; ;)
{
lock (streamStopLock)
{
try
{
imaqdxSession.Grab(image, true);
if (analyse)
{
PixelValue2D pval = image.ImageToArray();
byte[,] u8array = Getthearray.convertToU8(pval.Rgb32);
max = Getthearray.Findthemaximum(u8array);
imageWindow.WriteToConsole(max.ToString("F6"));
}
}
catch (InvalidOperationException e)
{
MessageBox.Show("Something bad happened. Stopping the image stream.\n" + e.Message);
state = CameraState.FREE;
return;
}
try
{
if (windowShowing)
{
imageWindow.AttachToViewer(image);
}
}
catch (InvalidOperationException e)
{
MessageBox.Show("I have a leftover image without anywhere to display it. Dumping...\n\n" + e.Message);
imaqdxSession.Acquisition.Stop();
state = CameraState.FREE;
return;
}
if (state != CameraState.STREAMING)
{
imaqdxSession.Acquisition.Stop();
state = CameraState.FREE;
return;
}
}
}
}
private void stream()
{
image = new VisionImage();
try
{
imaqdxSession.ConfigureGrab();
}
catch (ObjectDisposedException e)
{
MessageBox.Show(e.Message);
return;
}
for (; ;)
{
lock (streamStopLock)
{
try
{
imaqdxSession.Grab(image, true);
}
catch (InvalidOperationException e)
{
MessageBox.Show("Something bad happened. Stopping the image stream.\n" + e.Message);
state = CameraState.FREE;
return;
}
try
{
if (windowShowing)
{
imageWindow.AttachToViewer(image);
}
}
catch (InvalidOperationException e)
{
MessageBox.Show("I have a leftover image without anywhere to display it. Dumping...\n\n" + e.Message);
imaqdxSession.Acquisition.Stop();
state = CameraState.FREE;
return;
}
if (state != CameraState.STREAMING)
{
imaqdxSession.Acquisition.Stop();
state = CameraState.FREE;
return;
}
}
}
}
/// <summary>
/// 开始飞拍
/// </summary>
public void StartFly()
{
bFly = true;
try
{
// 设置外触发
_session.Acquisition.Unconfigure();
_session.Attributes["CameraAttributes::AcquisitionControl::TriggerMode"].SetValue(1);
_session.Attributes["CameraAttributes::AcquisitionControl::TriggerSource"].SetValue(1);
_session.ConfigureGrab();
Thread thd = new Thread(GrabThread);
thd.Start();
}
catch { }
}
private void startButton_Click(object sender, EventArgs e)
{
try
{
// Open a new session and configure a grab
_session = new ImaqdxSession(cameraComboBox.Text);
_session.ConfigureGrab();
// Update UI state
startButton.Enabled = false;
stopButton.Enabled = true;
// Start up background worker to acquire images
acquisitionWorker.RunWorkerAsync();
}
catch (ImaqdxException ex)
{
MessageBox.Show(ex.Message, "NI-IMAQdx Error");
}
}
private void stream()
{
ushort[,] latestdata;
double summedPixels = 0;
SummedPixels = 0;
image = new VisionImage();
try
{
imaqdxSession.ConfigureGrab();
}
catch (ObjectDisposedException e)
{
MessageBox.Show(e.Message);
return;
}
for (; ;)
{
lock (streamStopLock)
{
try
{
imaqdxSession.Grab(image, true);
}
catch (InvalidOperationException e)
{
MessageBox.Show("Something bad happened. Stopping the image stream.\n" + e.Message);
state = CameraState.FREE;
return;
}
try
{
if (windowShowing)
{
imageWindow.AttachToViewer(image);
if (imageWindow.imageViewer.Roi != null)
{
RectangleContour contour = imageWindow.imageViewer.Roi.GetBoundingRectangle();
int height = (int)contour.Height;
int width = (int)contour.Width;
PixelValue2D pval = image.ImageToArray(contour);
if (image.Type == ImageType.U8)
{
ushort[,] ushortData = new ushort[pval.U8.GetLength(0), pval.U8.GetLength(1)];
for (int j = 0; j < pval.U8.GetLength(0); j++)
{
for (int i = 0; i < pval.U8.GetLength(1); i++)
{
ushortData[j, i] = (pval.U8)[j, i];
}
}
latestdata = ushortData;
}
else
{
latestdata = pval.U16;
}
summedPixels = 0;
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
summedPixels = summedPixels + latestdata[j, i];
}
}
SummedPixels = summedPixels;
}
}
}
catch (InvalidOperationException e)
{
MessageBox.Show("I have a leftover image without anywhere to display it. Dumping...\n\n" + e.Message);
imaqdxSession.Acquisition.Stop();
state = CameraState.FREE;
return;
}
if (state != CameraState.STREAMING)
{
imaqdxSession.Acquisition.Stop();
state = CameraState.FREE;
return;
}
}
}
}
