jOpenSim HowTo MapLink Google
In your Joomla administration, go to the menu manager. In your desired menu click on Add New Menu Item
In this new menu, give the link an explanatory name in Menu Title and click below beside the Menue Item Type on Select.
A new popup window will apear, where you can see jOpenSim. A click on it will expand and you can select GridMap:
Custom Map Center
In the second tab, you can set a different map center than in your Global Configuration:
This makes sometimes sense, if you have a bunch of other regions located far from the regular center and want to provide a 2nd link to display them in a frontend map as well.