Overview of 850 μm (353 GHz) intensity profiles of extracted clumps, divided according to view direction (columns) and distance (rows). Clumps with the central intensity above (red curves) and below (blue curves) the median intensity are plotted separately. The values are total intensities without background subtraction, normalised to the sample median value at the centre. The shaded regions correspond to the inter-quartile range. The median profiles are shown as dotted lines with the parameters R and α (see text) quoted in the frames. The Gaussians corresponding to the FWHM =5.0′ beam and the median major axis FWHM of the extracted clumps (cold component) are plotted with solid and dashed grey lines, respectively.