To add Cesium Previewer

Unzip cesiumpreview.zip and either place the cesieumpreview folder in the CKAN location below or make a virtual link in CKAN to the cesiumviewer.

  ln -s ~/ausglobe/cesiumpreview ~/ckan/lib/default/src/ckanext-cesiumpreview

In the CKAN development.ini under storage settings add the plugin as first in the list

  edit /etc/ckan/default/development.ini
  ckan.plugins = cesium_viewer ...
  
In the ckanext-cesiumpreview folder
  
  python setup.py develop