// HSB_Histogram.txt
// G.Landini 11/May/2004
// Calculates the HSB histogram of an RGB image
// The RGB histograms correspond to the H, S and B components respectively
// Requires Color_Histogram plugin by Dimiter Prodanov at
// http://rsb.info.nih.gov/ij/plugins/color-histogram.html

   a=getTitle();
   if (bitDepth()!=24)
      exit(""+a+" is not an RGB image.");
   run("HSB Stack");
   run("Convert Stack to RGB");
   run("Color Histogram");
   selectWindow(a+" (RGB)");
   run("Close");
   selectWindow(a);
   run("RGB Color");
   b="title='HSB Histogram of "+a+"'";
   selectWindow("Histogram of "+a);
   run("Rename...", b);