count_channelscount_channelsCountChannelsCountChannelscount_channels (Operator)

Name

count_channelscount_channelsCountChannelsCountChannelscount_channels — Count channels of image.

Signature

count_channels(MultiChannelImage : : : Channels)

Description

The operator count_channelscount_channelsCountChannelsCountChannelsCountChannelscount_channels counts the number of channels of all input images.

Execution Information

Supports objects on compute devices.
Multithreading type: reentrant (runs in parallel with non-exclusive operators).
Multithreading scope: global (may be called from any thread).
Processed without parallelization.

Parameters

MultiChannelImageMultiChannelImageMultiChannelImageMultiChannelImagemultiChannelImagemulti_channel_image (input_object) (multichannel-)image(-array) → object (byte / direction / cyclic / int1 / int2 / uint2 / int4 / int8 / real / complex / vector_field)

One- or multi-channel image.

ChannelsChannelsChannelsChannelschannelschannels (output_control) integer(-array) → (integer)

Number of channels.

Example (C)

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_channelaccess_channelAccessChannelAccessChannelAccessChannelaccess_channel, append_channelappend_channelAppendChannelAppendChannelAppendChannelappend_channel, disp_imagedisp_imageDispImageDispImageDispImagedisp_image

Module

Foundation

Operators