private void imageViewer1_RoiChanged(object sender, NationalInstruments.Vision.WindowsForms.ContoursChangedEventArgs e)
{
if (imageViewer1.Roi.Count > 0 && imageViewer1.Roi[0].Type == ContourType.Line)
{
// Fill in the edge options structure from the controls on the form.
EdgeOptions options = new EdgeOptions();
options.ColumnProcessingMode = (ColumnProcessingMode)Enum.Parse(typeof(ColumnProcessingMode), (string)smoothing.SelectedItem);
options.InterpolationType = (InterpolationMethod)Enum.Parse(typeof(InterpolationMethod), (string)interpolationMethod.SelectedItem);
options.KernelSize = (uint)kernelSize.Value;
options.MinimumThreshold = (uint)minimumThreshold.Value;
options.Polarity = (EdgePolaritySearchMode)Enum.Parse(typeof(EdgePolaritySearchMode), (string)polarity.SelectedItem);
options.Width = (uint)width.Value;
// Run the edge detection
EdgeReport report = Algorithms.EdgeTool(imageViewer1.Image, imageViewer1.Roi, (EdgeProcess)Enum.Parse(typeof(EdgeProcess), (string)process.SelectedItem),
options);
// Overlay the edge positions
imageViewer1.Image.Overlays.Default.Clear();
foreach (EdgeInfo edge in report.Edges)
{
imageViewer1.Image.Overlays.Default.AddOval(new OvalContour(edge.Position.X - 2, edge.Position.Y - 2, 5, 5), Rgb32Value.RedColor, DrawingMode.PaintValue);
}
// Graph the line profile and the gradient of the line.
LineProfileReport lineProfile = Algorithms.LineProfile(imageViewer1.Image, imageViewer1.Roi);
double[] profileData = new double[lineProfile.ProfileData.Count];
lineProfile.ProfileData.CopyTo(profileData, 0);
double[] gradientData = new double[report.GradientInfo.Count];
report.GradientInfo.CopyTo(gradientData, 0);
edgeDetectionGraph1.PlotData(profileData, gradientData);
}
}
private void LineProfile()
{
// Perform the line profile
LineProfileReport report = Algorithms.LineProfile(imageViewer1.Image, imageViewer1.Roi);
countBox.Text = report.ProfileData.Count.ToString();
// Graph the line profile.
double[] profileData = new double[report.ProfileData.Count];
report.ProfileData.CopyTo(profileData, 0);
simpleGraph1.PlotY(profileData);
// Display the results
minimumBox.Text = report.PixelRange.Minimum.ToString();
maximumBox.Text = report.PixelRange.Maximum.ToString();
meanBox.Text = report.Mean.ToString();
stdDevBox.Text = report.StandardDeviation.ToString();
}
