don't use /tmp because it doesn't exist on windows.  Just assume that default.idx is in the cwd for now.
don't use /tmp because it doesn't exist on windows.  Just assume that default.idx is in the cwd for now.

parasmehta/tprtree,Toblerity/rtree,mwtoews/rtree,mwtoews/rtree,Toblerity/rtree