ParticleReport

NI Vision for LabWindows/CVI Function

ParticleReport

Information about a particle in an image.

Elements

Name

Type

Description

area int The number of pixels in the particle.
calibratedArea float The size of the particle, calibrated to the calibration information of the image.
perimeter float The length of the perimeter, calibrated to the calibration information of the image.
numHoles int The number of holes in the particle.
areaOfHoles int The total surface area, in pixels, of all the holes in a particle.
perimeterOfHoles float The length of the perimeter of all the holes in the particle calibrated to the calibration information of the image.
boundingBox Rect The smallest rectangle that encloses the particle.
sigmaX float The sum of the particle pixels on the x-axis.
sigmaY float The sum of the particle pixels on the y-axis.
sigmaXX float The sum of the particle pixels on the x-axis, squared.
sigmaYY float The sum of the particle pixels on the y-axis, squared.
sigmaXY float The sum of the particle pixels on the x-axis and y-axis.
longestLength int The length of the longest horizontal line segment.
longestPoint Point The location of the leftmost pixel of the longest segment in the particle.
projectionX int The length of the particle when projected onto the x-axis.
projectionY int The length of the particle when projected onto the y-axis.
connect8 int This element is TRUE if the function used connectivity-8 to determine if particles are touching. This element is FALSE if the function used connectivity-4 to determine if particles are touching.