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ImageTools

  

CombineLayers

  

combine layers into a color image

 

Calling Sequence

Parameters

Options

Description

Examples

Calling Sequence

CombineLayers( img1, img2, img3, img4, opts )

Parameters

img1

-

GrayImage; first image layer

img2

-

GrayImage; second image layer

img3

-

GrayImage; third image layer

img4

-

(optional) GrayImage; fourth image layer

opts

-

(optional) equation(s) of the form option = value; specify options for the CombineLayers command

Options

• 

output = Image

  

Specifies a data structure into which the output is written. This can be used to avoid allocating memory. The size and number of layers must match that of the input. The dimensions of the output image are adjusted so that the row and column indices match the input. The default is NULL.

Description

• 

The CombineLayers command combines monochromatic images to create a colored image.

• 

The img1, img2, img3, and img4 parameters specify the input image layers. They must have the same dimensions and be of type GrayImage.

• 

If the optional parameter img4 is not given, the result is an image of type ColorImage. If img4 is given, it corresponds to the alpha layer and the result is an image of type ColorAImage.

Examples

withImageTools:

Create monochromatic images for the red, green, and blue layers.

img_rCreate100,200,r,c→0.251+sin0.005+0.003cc1+sin0.15r:

img_gCreate100,200,r,c→0.51+ⅇr50.sinc20.:

img_bCreate100,200,r,c→r100.:

Combine them to create a color image.

img_rgbCombineLayersimg_r,img_g,img_b:

Embedimg_rgb

See Also

ImageTools

ImageTools[GetLayer]

ImageTools[Layers]

ImageTools[SetLayer]

 


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