Source: dataset/xflare/xflare_dataset__get_histograms.pro
xflare_dataset::get_histograms Return the histogram settings for an activity plot. Usage: bin=dsref -> get_histograms(<key>) Keywords: longitude Return the binsize of a longitude histogram. time Return the binsize of a time histogram. Notes: A binsize of 0.0 means the histogram is turned off. History: Original: 18/8/00; SJT