private void imageViewer1_RoiChanged(object sender, NationalInstruments.Vision.WindowsForms.ContoursChangedEventArgs e)
{
if (imageViewer1.Roi.Count > 0)
{
DoImageToArray();
}
}
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);
}
}
// When a region is available, the Learn button is enabled.
private void imageViewer1_RoiChanged(object sender, NationalInstruments.Vision.WindowsForms.ContoursChangedEventArgs e)
{
if (imageViewer1.Roi.Count > 0)
{
learnPatternButton.Enabled = true;
}
else
{
learnPatternButton.Enabled = false;
}
}
private void imageViewer1_RoiChanged(object sender, NationalInstruments.Vision.WindowsForms.ContoursChangedEventArgs e)
{
simpleGraph1.ClearData();
// Compute the histogram of the regions selected
if (imageViewer1.Roi.Count > 0)
{
using (VisionImage mask = new VisionImage())
{
// Find the histogram of a portal of the image in imageViewer1
// defined by the Roi of imageViewer1.
Algorithms.RoiToMask(mask, imageViewer1.Roi);
HistogramReport report = Algorithms.Histogram(imageViewer1.Image, 256, new Range(0, 255), mask);
// Plot the histogram on the graph
int[] histogram = new int[256];
report.Histogram.CopyTo(histogram, 0);
// Convert the int[] to a double[], which the graph requires.
double[] histogramDouble = Array.ConvertAll <int, double>(histogram, delegate(int i) { return(i); });
simpleGraph1.PlotY(histogramDouble);
}
}
}
private void imageViewer_RoiChanged(object sender, NationalInstruments.Vision.WindowsForms.ContoursChangedEventArgs e)
{
}
private void imageViewer1_RoiChanged(object sender, NationalInstruments.Vision.WindowsForms.ContoursChangedEventArgs e)
{
DisplayColorDistance();
}
void Roi_ContoursChanged(object sender, NationalInstruments.Vision.WindowsForms.ContoursChangedEventArgs e)
{
learnPatternButton.Enabled = imageViewerMain.Roi.Count > 0;
}