when i use idl, how can i install idl with high resolution map, i install idl in linux operation. in order to use a software named seadas, i can use embeded idl or i can install idl myself,but i can't get high resolution map,nasa's specialist tell me thap i must install idl with high resolution map, but i have'n't found any hint in my install process,could you help me,if so ,thank you very much!