National Instruments IMAQ Vision for LabWindows TM /CVI - Manual (Page 51)

Chapter 4 Performing Particle Analysis
© National Instruments Corporation 4-9 IMAQ Vision for LabWindows/CVI User Manual
IMAQ_MT_NORM_MOMENT_OF_INERTIA_XXX Normalized moment of inertia in the
x direction three times
IMAQ_MT_NORM_MOMENT_OF_INERTIA_XXY Normalized moment of inertia in the
x direction twice and the y direction
once
IMAQ_MT_NORM_MOMENT_OF_INERTIA_XYY Normalized moment of inertia in the
x direction once and the y direction
twice
IMAQ_MT_NORM_MOMENT_OF_INERTIA_YYY Normalized moment of inertia in the
y direction three times
IMAQ_MT_NUMBER_OF_HOLES Number of holes in the particle
IMAQ_MT_NUMBER_OF_HORIZ_SEGMENTS Number of horizontal segments in the
particle
IMAQ_MT_NUMBER_OF_VERT_SEGMENTS Number of vertical segments in the
particle
IMAQ_MT_ORIENTATION Angle of the line that passes through
the particle center of mass about
which the particle has the lowest
moment of inertia
IMAQ_MT_PERIMETER Length of the outer boundary of the
particle
IMAQ_MT_PARTICLE_AND_HOLES_AREA Area of a particle that completely
covers the image
IMAQ_MT_RATIO_OF_EQUIVALENT_ELLIPSE_AXES Equivalent ellipse major axis divided
by equivalent ellipse minor axis
IMAQ_MT_RATIO_OF_EQUIVALENT_RECT_SIDES Equivalent rectangle long side
divided by equivalent rectangle
short side
IMAQ_MT_SUM_X Sum of all x-coordinates in the
particle
IMAQ_MT_SUM_Y Sum of all y-coordinates in the
particle
Table 4-1. Particle Measurements (Continued)
Measurement Description