Map and Table Calculation

CLRMAGENTA( ) function

Returns the Magenta component of an (R,G,B) color.

Syntax

CLRMAGENTA(Color)

Input

Color is a map or a column with the Color domain or a picture domain, or an expression which results in a color
Domain type: system domain Color or a Picture domain

Output

CLRMAGENTA returns: a value
Domain: system domain Image

Notes:

Tips:

Usable in

MapCalc, TabCalc, Simple calculators

Examples

Pocket line calculator example:

? CLRMAGENTA(RPRCOLOR(Landuse,"Shrubs"))

returns the magenta component of class "Shrubs" from representation Landuse, e.g. 255.

TabCalc example:

Magenta = CLRMAGENTA(Color)

 

Landuse.rpr

Landunit

Colorname

Color

Magenta

Agriculture

Yellow

(255, 255, 0)

0

Airport

Red

(255, 0, 0)

255

Bare soils

Brown

(164, 40, 40)

215

Forest

Forest Green

(48, 128, 76)

127

Grass

Yellow Green

(98, 98, 98)

157

Lake

Blue

(0, 0, 255)

255

Riverbed

Cyan

(0, 255, 255)

0

Rocks

Gray

(128, 128, 128)

127

Shrubs

Magenta

(255, 0, 255)

255

MapCalc example:

LandColor = MAPCOLOR(Landuse)

Magenta = CLRMAGENTA(LandColor)

 

Landuse

LandColor

Magenta

Forest Forest Rocks
Shrubs Lake Grass
? Grass Airport
(48,128,76) (48,128,76) (128,128,128)
(255,0,255) (0,0,255) (98,98,98)
(0,0,0) (98,98,98) (255,0,0)
127 127 127
255 255 157
255 157 255

See also:

COLOR CLRRED CLRYELLOW CLRHUE
MAPCOLOR CLRGREEN CLRCYAN CLRSAT
RPRCOLOR CLRBLUE CLRGREY CLRINTENS
    COLORHSI