DTED Line-of-sight display

Hi,

I downloaded Steve Judd's submission, the DTED LOS display.
Yet I'm not sure how to use it. I tried to add it as an extra package...
While building I encountered the problem that in the DTEDFrameCache
class there is incompatible type found (2 times). In the method
resizeCache(int max_size, int num_x_subframes, int num_y_subframes)
a hashtable oldObjs is declared and assigned with objs which
comes from the class CacheHandler. Yet in CacheHandler objs
is defined as an array of CacheObject and not as a Hashtable.

Does anybody know more about this? Am I using the wrong
version of the OpenMap library?

Thanks again for any help.

Kind regards,
Oscar Abbenhuis

PS.:
I'm using OpenMap version 4.4.2

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