Method: RTKIT::PixelData#indices_general_to_specific

Defined in:
lib/rtkit/pixel_data.rb

#indices_general_to_specific(indices, n_cols) ⇒ Object

Converts general image indices to specific column and row indices based on the provided image indices and the number of columns in the image.



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# File 'lib/rtkit/pixel_data.rb', line 119

def indices_general_to_specific(indices, n_cols)
  if indices.is_a?(Array)
    row_indices = indices.collect{|i| i/n_cols}
    column_indices = [indices, row_indices].transpose.collect{|i| i[0] - i[1] * n_cols}
  else
    # Assume Fixnum or NArray:

    row_indices = indices/n_cols # Values are automatically rounded down.

    column_indices = indices-row_indices*n_cols
  end
  return column_indices, row_indices
end