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关于Wavelength的设定：只要选择了RGB，即使当前只有一个波长，也会使用如下几个波长。
If “RGB” is selected, then 3 wavelengths will be defined, 0.606, 0.535. and 0.465
micrometers for red green, and blue, respectively; no matter what the current
wavelength definitions are. If “1+2+3” is selected, then wavelengths 1, 2, and 3 as
currently defined on the wavelength data box will be used. The red channel of the source
bitmap will be used for wavelength 3, green channel for wavelength 2, and the blue
channel for wavelength 1. The displayed image will be in RGB format no matter what
wavelengths are defined using this option. For selection of a specific single wavelength,
such as 6, the B channel image will be used for wavelengths 4, 7, 10, 13, etc. The G
channel image will be used for wavelengths 5, 8, 11, 14, etc. The R channel image will
be used for wavelengths 6, 9, 12, 15, etc.
Wavelength weighting is usually ignored. The color weighting that results in the final
image depends only upon the color amplitude in the source bitmap and the relative
transmission of the optical system. The exception is when using monochromatic IMA
files, the selected wavelength is "1+2+3", and 3 wavelengths are defined. In this case
only, the wavelength weighting is used to define the relative color weighting. |
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发表于 2020-6-18 10:59
