Map How to make a bird view sign/logo

Hello,

can anybody tell me how to make a logo on a land spot that can be seen on the map?

I know it works with a full SIM placing a huge prim 256x256x1 with black background but it doesnt work when I want to make this with a land spot in size of 4096sqm.

The resaon. I want sell a SIM border spot and want this be seen as a yellow spot on the Map without making it "sell to anyone"

How can I make this spot shown as a yellow spot?

Place the prim or prims at 300 metres up and wait for the map to up date, may take a few days. Textures don't normally show up so just colour the prims yellow in your case.

Thats how I did my sign on Cassidy if you look at it on the map.