well I have a question that I hope it will be resolved. One day I was using DFhack's reveal command to find if there were any useful ores underground but I didn't find any. So I carried on with building my fortress but I forgot to turn off the reveal command and so saved and exited with the reveal command still ON. The next time I went into that world I saw that everything was still revealed and so I went into the DFhack console and typed unreveal but it said 'nothing to revert to!' so then I tried revealing again then unrevealing but nothing happened. So now that world seems to be permanently revealed and its really annoying so can anybody help me on how to fix this problem?
I am using Windows 7
dfhack remembers the squares that were already visible before revealing, when you use reveal. then when you use unreveal, it looks at the squares it memorized, and hides them all. when you exited df, dfhack was closed, and the data that memorized which squares were revealed was lost. as a result, dfhack no longer has any idea which squares were and were not revealed, so if you try to unreveal it has no data to refer to and nothing will happen. lesson: do not leave the map revealed for prolonged periods of time
as robertheinrich mentioned, revflood will probably fix the problem. it hides the entire map, and then floods from the cursor outwards and reveals every square it can access.