: The standard suggests using a point grid (often a matrix of vertical and horizontal lines) where the intersections act as the test points. Units : All standard values are provided in SI units .
It serves as a referee method when automated systems yield ambiguous results or when high-contrast etching is difficult to achieve for software-based recognition. Challenges and the Digital Shift astm e562-19e1
Understanding ASTM E562-19e1: The Standard for Manual Point Counting in Micrography : The standard suggests using a point grid
: A transparent grid (usually square or hexagonal) is placed over a micrograph or projected onto a screen. Point Identification astm e562-19e1