public override VisionResult Detected(VisionImage image, Dictionary <string, VisionResult> Result = null, VisionFlow parent = null, Shape newRoi = null)
{
VisionResult rtn = new VisionResult();
rtn.State = VisionResultState.WaitCal;
try
{
lock (locked)
{
using (VisionImage temp = new VisionImage())
{
var roi = this.ROI;
if (newRoi != null)
{
roi = newRoi;
}
using (HImage hImage = VisionHelper.Image(image))
{
RectangleContour rect = roi as RectangleContour;
using (HImage reduceImage = hImage.ReduceDomain(
new HRegion(rect.Top, rect.Left,
rect.Top + rect.Height,
rect.Left + rect.Width)))
{
HTuple numLevels = new HTuple();
numLevels.TupleAdd(this.MaxNumLevels);
numLevels.TupleAdd(this.MinNumLevels);
HTuple row, col, scaleX, scaleY, score, angle;
reduceImage.FindAnisoShapeModel(this.ShapeModel,
this.StartAngle, this.EndAngle - this.StartAngle,
this.YMinScale, this.YMaxScale,
this.XMinScale, this.XMaxScale,
this.MinScore, 1, this.MaxOverlap,
this.Pixel.ToString(),
0,
this.Greediness,
out row, out col, out angle, out scaleY, out scaleX, out score);
if (score.Length > 0)
{
rtn.State = VisionResultState.OK;
image.Overlays.Default.AddLine
(new LineContour(new PointContour(col.D - 50, row.D), new PointContour(col.D + 50, row.D)), Rgb32Value.RedColor);
image.Overlays.Default.AddLine
(new LineContour(new PointContour(col.D, row.D - 50), new PointContour(col.D, row.D + 50)), Rgb32Value.RedColor);
rtn.Point = new PointContour(col.D, row.D);
rtn.Angle = angle.TupleDeg().D;
this.AddVisionResc(rtn, $"轮廓匹配成功 角度:{rtn.Angle:N3} 分数:{score[0].D:N3}");
}
else
{
rtn.State = VisionResultState.NG;
this.AddVisionResc(rtn, $"没有找到匹配模板");
}
}
}
}
}
}
catch (HalconException ex)
{
this.AddVisionResc(rtn, $"轮廓匹配失败 {ex.GetErrorMessage()}");
}
return(rtn);
}