With this Plugin, you can set a zoom range to make hotspots appear or disappear in a scene.

Zoom in/out with the mouse wheel to see the effect

To work, all plugins must be used with Panotour Pro version 2.5.14 and when specified with updated versions of Krpano.

This plugin is offered as a commercial plugin. It is provided “As Is” without warranty of any kind, either express or implied, including any warranty of quality, merchantability, or fitness for a particular purpose. In no event will the author of the plugin be liable for loss of data, costs of procurement of substitute goods or services or any special, consequential or incidental damages, under any cause of action and regardless of whether or not the plugin author have been advised of the possibility of such damage. This limitation will apply notwithstanding any failure of essential purpose of any limited remedy provided herein. In any event the plugin author will have no liability arising out of this agreement.

The refound of the plugins is not possible, only in case of ascertained non-functioning, and after a request for assistance to understand the reason for this malfunction.
On this website and on the documentation website there are all the tools to understand how a plugin works.