Greetings, fellow intrepid cave cartographers! I have been using CC2/CC2 Pro/CC* (whatever) and I was asked to update an old cave system map. Opening the old file, there are problems/solutions that I may not recognize. I have managed to get the cave system to print on a bitmap and jpeg so far. The problem comes in when I try to add contrast to the background and make the caves more visible to the eye. This is not working. I have been led to believe that Multipolies (If I try to use them) leak in this structure, so 'merely' changing the background color is probably out. The Multipolies have been leaking where one cave joins another. I am glad to paste a jpeg up here so you can see the problem. Everything is meant to be connected. Please be free with your suggestions/criticisms!

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Thanks for your thoughts!