Photon Focus MV1-D2048-3D06 series, Руководство пользователя

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5.2 3D Features
Calculation example (DataFormat3D=3): Suppose that the 3D data of image column n has the
following data: 14 / 140 / 10 / 128 (see also Fig. 5.10).
The position of the laser line is in this case 232.75: integer part is calculated from the 8 bits of
3D row 0 followed by the 4 MSB of 3D row 1: 0b000011101000 = 0x0e8 = dec 58. The fractional
part is calculated from the 4 LSB of 3D row 1: 0b1100 = 0xc. This value must be divided by 16:
0xc / 16 = 0.75.
The laser line width is 10 pixels (6 LSB of 3D row 2).
The LL_HEIGHT value is in this case 8 (=4 MSB of 3D row 3). These are the 4 MSB of the mean
value between the two pixels around the peak position. At 12 bit resolution, the mean value
lies between 0x800 (=2048) and 0x8ff (=2303).
P o s i t i o n i n t e g r a l p a r t
P o s i t i o n f r a c t i o n a l p a r t
L a s e r l i n e w i d t h
L L _ H E I G H T
3 D r o w
7 6 5 4 3 2 1 0
B i t s
0
1
2
3
0 0 0 0 1 1 1 0
1 0 0 0 1 1 0 0
0 0 0 0 1 0 1 0
1 0 0 0 0 0 0 0
Figure 5.10: 3D data calculation example (3D06 models)
5.2.7 Transmitted data in 2D&3D mode
The transmitted image in 2D&3D mode is shown in Fig. 5.11. The data is transmitted in the
following order:
• Raw image
• 3D data
Resulting height in 2D&3D mode is:
Hres = Pea 4 (if DataFormat3D=3 or 4), or
Hres = Pea 2 (if DataFormat3D=2)
0
0
W
P e a k 0 _ 3 D H
R a w i m a g e
S c a n a r e a f o r p e a k 1
3 D d a t a 3 D d a t a r o w s
3 D d a t a r o w s : 2 ( D a t a F o r m a t 3 D = 2 ) o r 4 ( D a t a F o r m a t 3 D = 0 o r 1 )
Figure 5.11: Transmitted image in 2D&3D mode
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