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ifm
System Manual
ecomat
mobile
PDM360NG (CR1080, CR1081, CR9042) Target V01
2011-07-28
Visualisations in the device
Basic information about colours and bitmap graphics
122
7.2.2
Colour for bitmap graphics
3121
A second important factor is the colour information (the RGB value) which is stored for every pixel.
RGB stands for red, green and blue. For each of these three primary colours 255 intensity levels are
available. By mixing these three primary colours in different intensities approx. 16.6 million colours can
be created via the
additive colour mixing
(
→
). To represent this quantity suitable monitors and
powerful processors are needed.
7.2.3
What colours are shown?
7381
The display can represent a colour depth of 6 bits per primary colour, i.e. 64 colour grades.
Consequently, from the total spectrum of 256 addressable colour grades only every fourth can be
used:
Colour
Allowed colour values
Red
R = 0, 4, 8, 12, 16, ..., 236, 240, 244, 248, 252
Green
G = 0, 4, 8, 12, 16, ..., 236, 240, 244, 248, 252
Blue
B = 0, 4, 8, 12, 16, ..., 236, 240, 244, 248, 252
Values which do not fit into this pattern are not shown.