count_channels

Herror ::count_channels ( Hobject MultiChannelImage, long *Channels ) Herror ::count_channels ( Hobject MultiChannelImage, HTuple *Channels ) long HImage::CountChannels ( void ) const HTuple HImageArray::CountChannels ( void ) const

Count channels of image.

The operator ::count_channels counts the number of channels of all input images.

Parameters

`MultiChannelImage` (input_object)	(multichannel-)image(-array) `->` Hobject: HImage(Array)
One- or multichannel image.

`Channels` (output_control)	integer(-array) `->` (HTuple.) long *
Number of channels.

Example

read_image(&Color,"patras");
count_channels(Color,&num_channels);
for (i=1; i<=num_channels; i++)
{
  access_channel(Color,&Channel,i);
  disp_image(Channel,WindowHandle);
  clear_obj(Channel);
}

Possible Successors

::access_channel, ::append_channel, ::disp_image

See also

::append_channel, ::access_channel

Module

Image / region / XLD management