Details:
| png file | /svs/share/houdini/cbars/images/png/GISS_isccp_rainbow_20.png |
| tex file | /svs/share/houdini/cbars/images/tex/GISS_isccp_rainbow_20.tex |
| definition | /svs/share/houdini/cbars/definitions/GISS_panopoly/GISS_isccp_rainbow_20.act |
| credit | reference | https://www.giss.nasa.gov/tools/panoply/colorbars/ |