/// <summary> /// Initialize Packet Size (Bandwidth) controls /// </summary> private void InitializeBandwidthControls() { // Check whether Cameracontrol is run by Ladybuggui with a Ladybug camera // If not, bandwidth control is hidden on LadybugSettings page, because // it could cause confusion with Packet Size control on Custom Format page if (!LadybugChecker.IsLadybugDLLPresent() || !LadybugChecker.IsLadybug(m_camInfo)) { HideBandWidthControls(); return; } // Disable packet size controls if ladybug camera was not in F7 if (IsCurrentlyInFormat7()) { Format7Info fmt7Info = new Format7Info(); try { fmt7Info = QueryFormat7Info(); UpdatePacketSize(fmt7Info.packetSize, fmt7Info); InitializeBandwidthControlEvents(); SetBandWidthControlEnabledStatus(true); } catch (System.Exception ex) { ShowErrorMessageDialog("Unable to get Format7 Configuration.", ex); // Disable bandwidth control if there was an error querying F7 mode SetBandWidthControlEnabledStatus(false); } } else { SetBandWidthControlEnabledStatus(false); } }
static void PrintFormat7Capabilities(Format7Info fmt7Info) { StringBuilder newStr = new StringBuilder(); newStr.AppendFormat("Max image pixels: ({0}, {1})\n", fmt7Info.maxWidth, fmt7Info.maxHeight); newStr.AppendFormat("Image Unit size: ({0}, {1})\n", fmt7Info.imageHStepSize, fmt7Info.imageVStepSize); newStr.AppendFormat("Offset Unit size: ({0}, {1})", fmt7Info.offsetHStepSize, fmt7Info.offsetVStepSize); Console.WriteLine(newStr); }
/// <summary> /// Retrieve F7 info from camera /// </summary> /// <returns></returns> private Format7Info QueryFormat7Info() { ManagedCamera camera = (ManagedCamera)m_camera; Format7ImageSettings imageSettings = new Format7ImageSettings(); uint packetSize = 0; float speed = 0; camera.GetFormat7Configuration(imageSettings, ref packetSize, ref speed); Format7Info fmt7Info = new Format7Info(); bool supported = false; fmt7Info = camera.GetFormat7Info(imageSettings.mode, ref supported); return(fmt7Info); }
/// <summary> /// Apply new packet size to controls /// </summary> /// <param name="packetSize"></param> /// <param name="fmt7Info"></param> private void UpdatePacketSize(uint packetSize, Format7Info fmt7Info) { m_packetSizeMaxLabel.Text = fmt7Info.maxPacketSize.ToString(); m_packetSizeMinLabel.Text = fmt7Info.minPacketSize.ToString(); m_packetSizeSpinButton.Maximum = fmt7Info.maxPacketSize; m_packetSizeSpinButton.Minimum = fmt7Info.minPacketSize; m_packetSizeSpinButton.Increment = fmt7Info.minPacketSize; m_packetSizeTrackBar.Maximum = (int)fmt7Info.maxPacketSize; m_packetSizeTrackBar.Minimum = (int)fmt7Info.minPacketSize; m_packetSizeTrackBar.SmallChange = (int)fmt7Info.minPacketSize; m_packetSizeTrackBar.LargeChange = (m_packetSizeTrackBar.Maximum - m_packetSizeTrackBar.Minimum) / 10; m_packetSizeTrackBar.TickFrequency = m_packetSizeTrackBar.LargeChange; try { m_packetSizeSpinButton.Value = packetSize; m_packetSizeTrackBar.Value = (int)packetSize; } catch (ArgumentException ex) { m_packetSizeSpinButton.Value = m_packetSizeSpinButton.Maximum; Debug.WriteLine("Packet size spin value is out of range. {0}", ex.Message); } }
static void Main(string[] args) { PrintBuildInfo(); const Mode k_fmt7Mode = Mode.Mode0; const PixelFormat k_fmt7PixelFormat = PixelFormat.PixelFormatMono8; const int k_numImages = 10; // Since this application saves images in the current folder // we must ensure that we have permission to write to this folder. // If we do not have permission, fail right away. FileStream fileStream; try { fileStream = new FileStream(@"test.txt", FileMode.Create); fileStream.Close(); File.Delete("test.txt"); } catch { Console.WriteLine("Failed to create file in current folder. Please check permissions.\n"); return; } ManagedBusManager busMgr = new ManagedBusManager(); uint numCameras = busMgr.GetNumOfCameras(); Console.WriteLine("Number of cameras detected: {0}", numCameras); ManagedPGRGuid guid = busMgr.GetCameraFromIndex(0); ManagedCamera cam = new ManagedCamera(); cam.Connect(guid); // Get the camera information CameraInfo camInfo = cam.GetCameraInfo(); PrintCameraInfo(camInfo); // Query for available Format 7 modes bool supported = false; Format7Info fmt7Info = cam.GetFormat7Info(k_fmt7Mode, ref supported); PrintFormat7Capabilities(fmt7Info); if ((k_fmt7PixelFormat & (PixelFormat)fmt7Info.pixelFormatBitField) == 0) { // Pixel format not supported! return; } Format7ImageSettings fmt7ImageSettings = new Format7ImageSettings(); fmt7ImageSettings.mode = k_fmt7Mode; fmt7ImageSettings.offsetX = 0; fmt7ImageSettings.offsetY = 0; fmt7ImageSettings.width = fmt7Info.maxWidth; fmt7ImageSettings.height = fmt7Info.maxHeight; fmt7ImageSettings.pixelFormat = k_fmt7PixelFormat; // Validate the settings to make sure that they are valid bool settingsValid = false; Format7PacketInfo fmt7PacketInfo = cam.ValidateFormat7Settings( fmt7ImageSettings, ref settingsValid); if (settingsValid != true) { // Settings are not valid return; } // Set the settings to the camera cam.SetFormat7Configuration( fmt7ImageSettings, fmt7PacketInfo.recommendedBytesPerPacket); // Get embedded image info from camera EmbeddedImageInfo embeddedInfo = cam.GetEmbeddedImageInfo(); // Enable timestamp collection if (embeddedInfo.timestamp.available == true) { embeddedInfo.timestamp.onOff = true; } // Set embedded image info to camera cam.SetEmbeddedImageInfo(embeddedInfo); // Start capturing images cam.StartCapture(); // Retrieve frame rate property CameraProperty frmRate = cam.GetProperty(PropertyType.FrameRate); Console.WriteLine("Frame rate is {0:F2} fps", frmRate.absValue); Console.WriteLine("Grabbing {0} images", k_numImages); ManagedImage rawImage = new ManagedImage(); for (int imageCnt = 0; imageCnt < k_numImages; imageCnt++) { // Retrieve an image cam.RetrieveBuffer(rawImage); // Get the timestamp TimeStamp timeStamp = rawImage.timeStamp; Console.WriteLine( "Grabbed image {0} - {1} {2} {3}", imageCnt, timeStamp.cycleSeconds, timeStamp.cycleCount, timeStamp.cycleOffset); // Create a converted image ManagedImage convertedImage = new ManagedImage(); // Convert the raw image rawImage.Convert(PixelFormat.PixelFormatBgr, convertedImage); // Create a unique filename string filename = String.Format( "CustomImageEx_CSharp-{0}-{1}.bmp", camInfo.serialNumber, imageCnt); // Get the Bitmap object. Bitmaps are only valid if the // pixel format of the ManagedImage is RGB or RGBU. System.Drawing.Bitmap bitmap = convertedImage.bitmap; // Save the image bitmap.Save(filename); } // Stop capturing images cam.StopCapture(); // Disconnect the camera cam.Disconnect(); Console.WriteLine("Done! Press any key to exit..."); Console.ReadKey(); }
private void CaptureCameraCallback() { //initialise camera here #region camsetup const Mode k_fmt7Mode = Mode.Mode0; const PixelFormat k_fmt7PixelFormat = PixelFormat.PixelFormatMono8; ManagedBusManager busMgr = new ManagedBusManager(); uint numCameras = busMgr.GetNumOfCameras(); Console.WriteLine("Number of cameras detected: {0}", numCameras); ManagedPGRGuid guid = busMgr.GetCameraFromIndex(0); ManagedCamera cam = new ManagedCamera(); cam.Connect(guid); // Get the camera information CameraInfo camInfo = cam.GetCameraInfo(); PrintCameraInfo(camInfo); // Query for available Format 7 modes bool supported = false; Format7Info fmt7Info = cam.GetFormat7Info(k_fmt7Mode, ref supported); PrintFormat7Capabilities(fmt7Info); if ((k_fmt7PixelFormat & (PixelFormat)fmt7Info.pixelFormatBitField) == 0) { // Pixel format not supported! Console.WriteLine("Pixel format is not supported"); return; } Format7ImageSettings fmt7ImageSettings = new Format7ImageSettings(); fmt7ImageSettings.mode = k_fmt7Mode; fmt7ImageSettings.offsetX = 1124; fmt7ImageSettings.offsetY = 924; fmt7ImageSettings.width = 200; fmt7ImageSettings.height = 200; fmt7ImageSettings.pixelFormat = k_fmt7PixelFormat; // Validate the settings to make sure that they are valid bool settingsValid = false; Format7PacketInfo fmt7PacketInfo = cam.ValidateFormat7Settings( fmt7ImageSettings, ref settingsValid); if (settingsValid != true) { // Settings are not valid return; } // Set the settings to the camera cam.SetFormat7Configuration( fmt7ImageSettings, fmt7PacketInfo.recommendedBytesPerPacket); // Get embedded image info from camera EmbeddedImageInfo embeddedInfo = cam.GetEmbeddedImageInfo(); // Enable timestamp collection if (embeddedInfo.timestamp.available == true) { embeddedInfo.timestamp.onOff = true; } // Set embedded image info to camera cam.SetEmbeddedImageInfo(embeddedInfo); // Start capturing images cam.StartCapture(); // Retrieve frame rate property CameraProperty frmRate = cam.GetProperty(PropertyType.FrameRate); Console.WriteLine("Frame rate is {0:F2} fps", frmRate.absValue); #endregion Mat image; Mat grey = new Mat(); int differencex = 0; int differencey = 0; double diffenceeucl = 0; OpenCvSharp.Point centre_im = new OpenCvSharp.Point(); int centrex = Convert.ToInt16(fmt7ImageSettings.width) / 2; int centrey = Convert.ToInt16(fmt7ImageSettings.width) / 2; double dp_ = 1; //inverse ratio of array accumulator to image resolution double minDist_ = 100; // minimum distance between centre of detected circles double param1_ = 100; // Higher threshold of Canny edge detection double param2_ = 20; // Accumulator threshold, smaller value leads to higher false detection rates int minRad_ = 45; // minimum radius int maxRad_ = 60; // maximum radius centre_im.X = centrex; centre_im.Y = centrey; int windowsize = 20; int[] centresx = new int[windowsize]; int[] centresy = new int[windowsize]; int[] radi = new int[windowsize]; OpenCvSharp.Point centre = new OpenCvSharp.Point(); int radius = 1; int buffpos = 0; int flag = 0; ManagedImage rawImage = new ManagedImage(); ManagedImage convertedImage = new ManagedImage(); //do repeated actions here while (true) { //Thread.Sleep(1000); cam.RetrieveBuffer(rawImage); rawImage.Convert(PixelFormat.PixelFormatBgr, convertedImage); System.Drawing.Bitmap bitmap = convertedImage.bitmap; image = OpenCvSharp.Extensions.BitmapConverter.ToMat(bitmap); Cv2.CvtColor(image, grey, ColorConversionCodes.BGR2GRAY); // Inner circle CircleSegment[] circles = Cv2.HoughCircles(grey, HoughMethods.Gradient, dp_, minDist_, param1_, param2_, minRad_, maxRad_); for (int i = 0; i < circles.Length; i++) { flag = 1; centre.X = Convert.ToInt16(Math.Round(circles[0].Center.X)); centre.Y = Convert.ToInt16(Math.Round(circles[0].Center.Y)); radius = Convert.ToInt16(Math.Round(circles[0].Radius)); buffpos = (buffpos + 1) % windowsize; centresx[buffpos] = centre.X; centresy[buffpos] = centre.Y; radi[buffpos] = radius; centre.X = Convert.ToInt16(centresx.Average()); centre.Y = Convert.ToInt16(centresy.Average()); radius = Convert.ToInt16(radi.Average()); differencex = centre.X - centrex; differencey = centre.Y - centrey; diffenceeucl = Math.Round((Math.Sqrt(Math.Pow(differencex, 2) + Math.Pow(differencey, 2))), 2); } if (flag == 1) { Cv2.Circle(image, centre, 3, Scalar.Red); Cv2.Circle(image, centre, radius, Scalar.Red, 3); } Cv2.Circle(image, centre_im, 3, Scalar.DeepSkyBlue); Cv2.Circle(image, centre_im, 50, Scalar.DeepSkyBlue, 3); string xdiff = differencex.ToString(); string textxparse = "X Offset: " + xdiff + " [pixels]"; string ydiff = differencey.ToString(); string textyparse = "Y Offset: " + ydiff + " [pixels]"; string eucl = diffenceeucl.ToString(); string texteucle = "Eucl. Dist: " + eucl + " [pixels]"; AppendTextBoxX(textxparse); AppendTextBoxE(texteucle); AppendTextBoxY(textyparse); Bitmap bm = OpenCvSharp.Extensions.BitmapConverter.ToBitmap(image); bm.SetResolution(flydisp.Width, flydisp.Height); flydisp.Image = bm; } }