VisionPro学习记录11-2多目标检测（区别针得分标注）

本文链接：https://blog.youkuaiyun.com/qq_46035581/article/details/131816875

该代码段展示了如何在CognexVisionPro环境中使用高级脚本来处理PMAlign工具。主要任务是运行工具，检查匹配结果，通过调整阈值避免错误匹配，并在图像上添加图形标签显示匹配的XY坐标和得分。

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流程图连接图效果图

细节部分

注意事项

PMA匹配时，可能因为设置的阈值较低，导致错误匹配，需要修改阈值

注意修改查找概述

代码部分

#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.PMAlign;
//！！
using System.Collections.Generic;
#endregion

public class CogToolBlockAdvancedScript : CogToolBlockAdvancedScriptBase
{
  #region Private Member Variables
  private Cognex.VisionPro.ToolBlock.CogToolBlock mToolBlock;
  //代码1
  List<CogGraphicLabel> myLabel = new List<CogGraphicLabel>();
  #endregion

  /// <summary>
  /// Called when the parent tool is run.
  /// Add code here to customize or replace the normal run behavior.
  /// </summary>
  /// <param name="message">Sets the Message in the tool's RunStatus.</param>
  /// <param name="result">Sets the Result in the tool's RunStatus</param>
  /// <returns>True if the tool should run normally,
  ///          False if GroupRun customizes run behavior</returns>
  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.
    // #if DEBUG
    // if (System.Diagnostics.Debugger.IsAttached) System.Diagnostics.Debugger.Break();
    // #endif


    // Run each tool using the RunTool function
    foreach(ICogTool tool in mToolBlock.Tools)
      mToolBlock.RunTool(tool, ref message, ref result);

    //代码2
    
    CogPMAlignTool pmaTool = mToolBlock.Tools["CogPMAlignTool1"]as CogPMAlignTool;
    myLabel.Clear();
    foreach (CogPMAlignResult item in pmaTool.Results)
    {
      CogGraphicLabel x = new CogGraphicLabel();
      x.SetXYText(item.GetPose().TranslationX, item.GetPose().TranslationY, item.Score.ToString("F2"));
      x.Color = CogColorConstants.Red;
      //x.Font = new Font("楷体", 15);
      myLabel.Add(x);
    }
    return false;
  }

  #region When the Current Run Record is Created
  /// <summary>
  /// Called when the current record may have changed and is being reconstructed
  /// </summary>
  /// <param name="currentRecord">
  /// The new currentRecord is available to be initialized or customized.</param>
  public override void ModifyCurrentRunRecord(Cognex.VisionPro.ICogRecord currentRecord)
  {
  }
  #endregion

  #region When the Last Run Record is Created
  /// <summary>
  /// Called when the last run record may have changed and is being reconstructed
  /// </summary>
  /// <param name="lastRecord">
  /// The new last run record is available to be initialized or customized.</param>
  public override void ModifyLastRunRecord(Cognex.VisionPro.ICogRecord lastRecord)
  {
    foreach(CogGraphicLabel x in myLabel)
    { mToolBlock.AddGraphicToRunRecord(x, lastRecord, "CogPMAlignTool1.InputImage", "");}

  }
  #endregion

  #region When the Script is Initialized
  /// <summary>
  /// Perform any initialization required by your script here
  /// </summary>
  /// <param name="host">The host tool</param>
  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

}