Chapter 18: Metrology

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This chapter explains how to use the MIL Metrology module to measure features and validate geometric tolerances in a target image.

• MIL Metrology module
• Steps to measure and validate expected features
• Basic concepts for the MIL Metrology module
• Features
• • Reference frame
  • • Global frame
    • Local frame
    • Set position
  • (Physically) measured features
  • • Metrology regions
    • Best fit, inner fit, and outer fit operations
    • (Physically measured) edgel features
  • Constructed features
  • • Using metrology regions with constructed features
    • Basic construction (using points)
    • Cloning and copying
    • Fit
    • Operations for building point features
    • Operations for building line features
    • Parametrically constructed features
  • Multiple features
• Geometric tolerances
• • Adding a geometric tolerance
  • • Angularity
    • Area and perimeter
    • Concentricity
    • Distance
    • Length
    • Parallelism
    • Perpendicularity
    • Position
    • Radius
    • Roundness
    • Straightness
  • Using multiple geometric tolerances
• Degrees of freedom
• • Active edgels and fitted edgels
  • • Gradient angle
    • Edgel selection rank
    • Minimum and maximum fit settings
  • Copy feature edgels
• Calculating and retrieving results
• • Retrieving the results
  • • Status of features and geometric tolerances
    • Output frame
  • Annotating the results
  • • Template reference
• Using external edgels and points with constructed features
• • Adding edge chains (chained edgels)
  • Adding chained pixels (points)
• Metrology example