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Visionpro 齿轮测量

article 2025/2/25 16:25:41

  效果展示

一、题目要求 

求出最大值，最小值，平均值

二、分析

1.首先要进行模板匹配

2.划清匹配范围

3.匹配小三角的模板匹配

4.卡尺

5.用找圆工具 

工具

1.CogPMAlignTool

2.CogCaliperTool

3.CogFindCircleTool

4.CogFixtureTool

三、模板匹配工具

1.搜索区域

2.齿轮匹配

3.设置参数

 4.卡尺设置

 

5.找圆工具

 

四、代码分析

1.声明集合，文字显示工具，线段

 CogGraphicCollection dt = new CogGraphicCollection();
  CogGraphicLabel label;
  CogLineSegment line;

2.将工具进行实例化

 dt.Clear();
    CogPMAlignTool pma = mToolBlock.Tools["CogPMAlignTool2"]as CogPMAlignTool;
    CogCaliperTool caliper = mToolBlock.Tools["CogCaliperTool1"]as CogCaliperTool;
    CogFindCircleTool find = mToolBlock.Tools["CogFindCircleTool1"]as CogFindCircleTool;

3.解决实例化问题

4.声明List  弧度转角度（角度转弧度）遍历卡尺数量

公式：  弧度=角度/180*Math.PI

             角度=弧度*180/MathPI

 List<double> distance = new List<double>();


 for(int i = 0;i < pma.Results.Count;i++)
    {
      double angle = pma.Results[i].GetPose().Rotation * 180 / Math.PI;
      double rad = (angle - 90) / 180 * Math.PI;
      
      caliper.Region.CenterX = pma.Results[i].GetPose().TranslationX;
      caliper.Region.CenterY = pma.Results[i].GetPose().TranslationY;
      caliper.Region.Rotation = rad;
      caliper.Run();

 5.卡尺找到的地方声明线段

 line = new CogLineSegment();
      line.SetStartEnd(find.Results.GetCircle().CenterX, find.Results.GetCircle().CenterY, caliper.Results[0].Edge0.PositionX, caliper.Results[0].Edge0.PositionY);
      line.LineWidthInScreenPixels = 1;
      line.Color = CogColorConstants.Red;
      dt.Add(line);

6.实例化点到点的距离工具 链接

  CogDistancePointPointTool dis = new CogDistancePointPointTool();
      dis.InputImage = mToolBlock.Inputs["OutputImage"].Value as CogImage8Grey;
      dis.StartX = find.Results.GetCircle().CenterX;
      dis.StartY = find.Results.GetCircle().CenterY;
      dis.EndX = caliper.Results[0].Edge0.PositionX;
      dis.EndY = caliper.Results[0].Edge0.PositionY;
      dis.Run();
      distance.Add(dis.Distance);

7.放置每个角的长度位置

 
      label = new CogGraphicLabel();
      label.Font = new Font("楷体", 8);
      label.Color = CogColorConstants.Purple;
      label.SetXYText(caliper.Results[0].Edge0.PositionX, caliper.Results[0].Edge0.PositionY, dis.Distance.ToString("F2"));
      dt.Add(label);

五、找出最大，最小，平均值

double Max = 0;
    double Small = distance[0];
    double total = 0;
    double average;
    for(int i = 0;i < distance.Count;i++)
    {
      if(distance[i] > Max)
      {
        Max = distance[i];
      }
      if(distance[i] < Small)
      {
        Small = distance[i];
      }
      total += distance[i];
    }
    average = total / distance.Count;
    CogGraphicLabel label1 = new CogGraphicLabel();
    CogGraphicLabel label2 = new CogGraphicLabel();
    CogGraphicLabel label3 = new CogGraphicLabel();
    label1.SetXYText(100, 100, "最大值是:" + Max.ToString("F2"));
    label2.SetXYText(100, 130, "最小值是:" + Small.ToString("F2"));
    label3.SetXYText(100, 160, "平均值是:" + average.ToString("F2"));
    label1.Color = CogColorConstants.Red;
    label1.Font = new Font("楷体", 20);
    label2.Color = CogColorConstants.Red;
    label2.Font = new Font("楷体", 20);
    label3.Color = CogColorConstants.Red;
    label3.Font = new Font("楷体", 20);
    dt.Add(label1);
    dt.Add(label2);
    dt.Add(label3);

六、实现在图片工具图上

foreach(ICogGraphic s in dt)
    {
      mToolBlock.AddGraphicToRunRecord(s, lastRecord, "CogPMAlignTool1.InputImage", "");
    }

七、愚公搬代码

#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 Cognex.VisionPro.CalibFix;
using Cognex.VisionPro.Caliper;
using System.Collections.Generic;
using Cognex.VisionPro.Dimensioning;
#endregion

public class CogToolBlockAdvancedScript : CogToolBlockAdvancedScriptBase
{
  #region Private Member Variables
  private Cognex.VisionPro.ToolBlock.CogToolBlock mToolBlock;
  #endregion
  CogGraphicCollection dt = new CogGraphicCollection();
  CogGraphicLabel label;
  CogLineSegment line;

  /// <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'
    dt.Clear();
    CogPMAlignTool pma = mToolBlock.Tools["CogPMAlignTool2"]as CogPMAlignTool;
    CogCaliperTool caliper = mToolBlock.Tools["CogCaliperTool1"]as CogCaliperTool;
    CogFindCircleTool find = mToolBlock.Tools["CogFindCircleTool1"]as CogFindCircleTool;

    List<double> distance = new List<double>();
    // Run each tool using the RunTool function
    foreach(ICogTool tool in mToolBlock.Tools)
      mToolBlock.RunTool(tool, ref message, ref result);
    for(int i = 0;i < pma.Results.Count;i++)
    {
      double angle = pma.Results[i].GetPose().Rotation * 180 / Math.PI;
      double rad = (angle - 90) / 180 * Math.PI;
      
      caliper.Region.CenterX = pma.Results[i].GetPose().TranslationX;
      caliper.Region.CenterY = pma.Results[i].GetPose().TranslationY;
      caliper.Region.Rotation = rad;
      caliper.Run();
      
      line = new CogLineSegment();
      line.SetStartEnd(find.Results.GetCircle().CenterX, find.Results.GetCircle().CenterY, caliper.Results[0].Edge0.PositionX, caliper.Results[0].Edge0.PositionY);
      line.LineWidthInScreenPixels = 1;
      line.Color = CogColorConstants.Red;
      dt.Add(line);
      
      CogDistancePointPointTool dis = new CogDistancePointPointTool();
      dis.InputImage = mToolBlock.Inputs["OutputImage"].Value as CogImage8Grey;
      dis.StartX = find.Results.GetCircle().CenterX;
      dis.StartY = find.Results.GetCircle().CenterY;
      dis.EndX = caliper.Results[0].Edge0.PositionX;
      dis.EndY = caliper.Results[0].Edge0.PositionY;
      dis.Run();
      distance.Add(dis.Distance);
      
      label = new CogGraphicLabel();
      label.Font = new Font("楷体", 8);
      label.Color = CogColorConstants.Purple;
      label.SetXYText(caliper.Results[0].Edge0.PositionX, caliper.Results[0].Edge0.PositionY, dis.Distance.ToString("F2"));
      dt.Add(label);
    }
    double Max = 0;
    double Small = distance[0];
    double total = 0;
    double average;
    for(int i = 0;i < distance.Count;i++)
    {
      if(distance[i] > Max)
      {
        Max = distance[i];
      }
      if(distance[i] < Small)
      {
        Small = distance[i];
      }
      total += distance[i];
    }
    average = total / distance.Count;
    CogGraphicLabel label1 = new CogGraphicLabel();
    CogGraphicLabel label2 = new CogGraphicLabel();
    CogGraphicLabel label3 = new CogGraphicLabel();
    label1.SetXYText(100, 100, "最大值是:" + Max.ToString("F2"));
    label2.SetXYText(100, 130, "最小值是:" + Small.ToString("F2"));
    label3.SetXYText(100, 160, "平均值是:" + average.ToString("F2"));
    label1.Color = CogColorConstants.Red;
    label1.Font = new Font("楷体", 20);
    label2.Color = CogColorConstants.Red;
    label2.Font = new Font("楷体", 20);
    label3.Color = CogColorConstants.Red;
    label3.Font = new Font("楷体", 20);
    dt.Add(label1);
    dt.Add(label2);
    dt.Add(label3);

      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(ICogGraphic s in dt)
    {
      mToolBlock.AddGraphicToRunRecord(s, 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

}


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