MicroLinks VT300 - user manual User Manual

Page 59

Microscope Application Program http://www.ViTiny.com

Fig 5-65 2 Points Circle Measurement

(3) 3 Points Circle: See an arc or a circle shows on the observation only and need

measure the circle, it can use

. Firstly choose Fig.5-63 Scale information

setting dialog. To point any point on the edge of an arc, draw a line to second

point, then drag the line to the third point on the same arc, to automatically

calculate a correct circle. The said 3 points on the arc to be necessary a triangle.

See Fig 5-66, the figure can be measure as 2 Point Circle. 1

circle:

Circumferences C=2.409mm, 2

circle Area A=0.450 mm

, 3

circle:

R=0.727mm, 4

circle: D=1.480mm.

Fig 5-66 3 Points Circle

(4) Oval: Measure an oval circle and use

. Firstly choose Fig.5-67 Scale

information setting dialog. To point any dot on an oval, pressing the left mouse

button, and drag to fit the oval on an observation object. Same methods as

Circle to be measured for 2 Points Circle and 3 Points Circle, 1

oval C=6.703m,

oval A=2.947mm

, 3

oval: lR=1.328mm, sR=0.714mm, 4

oval

lD=2.826mm, sD=1.428mm.