IMAQ RGBToColor 2 VI
Owning Palette: Color UtilitiesInstalled With: NI Vision Development ModuleConverts an RGB color value into another format (HSL, HSV, HSI, CIE L*a*b*, or CIE XYZ).
Color Mode defines the image color format conversion to perform. Choose from the following values:
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Red value is the input red value. |
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Green value is the input green value. |
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Blue value is the input blue value. |
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error in (no error) describes the error status before this VI or function runs. The default is no error. If an error occurred before this VI or function runs, the VI or function passes the error in value to error out. This VI or function runs normally only if no error occurred before this VI or function runs. If an error occurs while this VI or function runs, it runs normally and sets its own error status in error out. Use the Simple Error Handler or General Error Handler VIs to display the description of the error code. Use error in and error out to check errors and to specify execution order by wiring error out from one node to error in of the next node.
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offset adds an offset to the calculated Hue value when Color Mode is set to HSL. The offset represents the angle by which the hue plane is rotated. Offset can range from 0 to 360. The default offset value of 0 results in a hue value of 0 for the color red (R=255, G=0, B=0). By changing the offset value, you can specify the RGB color that maps to a hue value of 0. When you want to analyze red or colors close to red in the HSL space, you can add an offset so that the hue values associated with these colors are not zero. |
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CIE Lab White Reference is the CIE X, Y, and Z values associated with white. The default values of this control work with RGB values of (255, 255, 255) as white. |
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Red or Hue or X or L* value is the output value for the first color plane, depending on the Color Mode chosen. |
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Green or Sat or Y or a* value is the output value for the second color plane, depending on the Color Mode chosen. |
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Blue or Luma or Val or Inten or Z or b*value is the output value for the third color plane, depending on the Color Mode chosen. |
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error out contains error information. If error in indicates that an error occurred before this VI or function ran, error out contains the same error information. Otherwise, it describes the error status that this VI or function produces. Right-click the error out indicator on the front panel and select Explain Error from the shortcut menu for more information about the error.
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