This function sets the color interpretation type for a specified band of a raster object.
Syntax
raster ST_SetColorInterp(raster rast, integer band_sn, ColorInterp interp)
Parameters
Parameter | Description |
---|---|
rast | The raster object. |
band_sn | The sequence number of the band, which starts from 0. |
interp | The color interpretation type. |
Description
The following table describes the values of the interp parameter.
Value | Description |
---|---|
Undefined | The color interpretation type is not defined. |
GrayIndex | The index of the associated gray color table. |
RGBIndex | The index of the associated RGB color table. |
RGBAIndex | The index of the associated RGBA color table. |
CMYKIndex | The index of the associated CMYK color table. |
HSLIndex | The index of the associated HSL color table. |
RedBand | The red band in the RGB color model. |
GreenBand | The green band in the RGB color model. |
BlueBand | The blue band in the RGB color model. |
AlphaBand | The alpha band in the RGBA color model. |
HueBand | The hue band in the HSL color model. |
SaturationBand | The saturation band in the HSL color model. |
LightnessBand | The lightness band in the HSL color model. |
CyanBand | The cyan band in the CMYK color model. |
MagentaBand | The magenta band in the CMYK color model. |
YellowBand | The yellow band in the CMYK color model. |
BlackBand | The black band in the CMYK color model. |
YBand | The Y band in the YCbCr color model. |
CbBand | The Cb band in the YCbCr color model. |
CrBand | The Cr band in the YCbCr color model. |
Examples
update rast set rast=ST_SetColorInterp(rast,0, 'CI_Cyan');
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(1 row)