VisionPro实现测量工件内圆尺寸

步骤：

1.打开VisionPro并加载采集的离线工件图片；

2.拖入找圆工具；

3.使用找圆工具找到工件内圆，并计算测量距离；

附代码如下：

#region namespace imports
using System;
using System.Collections;
using System.Drawing;
using System.IO;
using System.Windows.Forms;
using Cognex.VisionPro;
using Cognex.VisionPro.ToolBlock;
using Cognex.VisionPro3D;
using Cognex.VisionPro.ImageProcessing;
using Cognex.VisionPro.Caliper;

#endregion

public class CogToolBlockAdvancedScript : CogToolBlockAdvancedScriptBase
{
  #region Private Member Variables
  private Cognex.VisionPro.ToolBlock.CogToolBlock mToolBlock;
  private double              Radius = 0;
  private CogFindCircleTool   CogFindCircleToolObject;
  private CogCircle           myCircle;
  #endregion

  public override bool GroupRun(ref string message, ref CogToolResultConstants result)
  {
    // To let the execution stop in this script when a debugger is attached, uncomment the following lines.
    // Run each tool using the RunTool function
    foreach(ICogTool tool in mToolBlock.Tools)
      mToolBlock.RunTool(tool, ref message, ref result);
    CogFindCircleToolObject = (CogFindCircleTool) mToolBlock.Tools["CogFindCircleTool1"];
    myCircle = CogFindCircleToolObject.Results.GetCircle();
    Radius = double.Parse(myCircle.Radius.ToString("0.00"));
    return false;
  }

  #region When the Current Run Record is Created

  public override void ModifyCurrentRunRecord(Cognex.VisionPro.ICogRecord currentRecord)
  {
  }
  #endregion

  #region When the Last Run Record is Created
  public override void ModifyLastRunRecord(Cognex.VisionPro.ICogRecord lastRecord)
  {
    CogGraphicLabel ResultLabel = new CogGraphicLabel();
    string labelStr = string.Format("Radius={0:F2}pixel", Radius);
    ResultLabel.SetXYText(myCircle.CenterX, myCircle.CenterY, labelStr);
    ResultLabel.Color = Cognex.VisionPro.CogColorConstants.Blue;
    mToolBlock.AddGraphicToRunRecord(ResultLabel, lastRecord, "CogImageConvertTool1.OutputImage", "script");
  }
  #endregion

  #region When the Script is Initialized

  public override void Initialize(Cognex.VisionPro.ToolGroup.CogToolGroup host)
  {
    // DO NOT REMOVE - Call the base class implementation first - DO NOT REMOVE
    base.Initialize(host);

    // Store a local copy of the script host
    this.mToolBlock = ((Cognex.VisionPro.ToolBlock.CogToolBlock)(host));
  }
  #endregion

}