[mikenet2005]

I'm not exactly sure what your attempting but keep these things in mind while building. A wall can not be eliminated to reveal a void, void meaning invalid player space. What you can do is drag two points together to rid of a wall like terminex said. This will reshape the sector in the process but this is how you will be going about deleting a wall in build. The exception to this would be if you want to mask or unmask a wall. Take a look at this.


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- ............................: m ........................:
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-.............................: b..........................:
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Make a hallway with a line down the center to divide the right from the left.
After you do this when you go into 3d mode It doesn't look like its been divided at all, given both sides have Identical properties. To see the wall point at the floor near the center where you made the line and press m. this will bring a wall into appearance. If you press b it will make the wall blockable.

However the best way to expand existing sectors is to insert points and drag them out. After you do that if you want to make it an independent sector just draw a line to separate this new area from the old area. Pressing J on one side of a wall in 2d mode and then on the other side of the wall will delete that wall as well but you are really joining two sectors together when you do this. So when you join two sectors keep in mind that the one you pressed J in first will transfer its properties to the second. This means if the first sector you pressed J in is higher than the second, has a tilt, and a paralexed sky, your new sector will now look like that. One of the sectors has to be the one to become the backbone for you newly created sector so this isn't a bad thing.

For example if you had a square sector in the middle of a room that has a parallexed sky to look like a ceiling window and you decide you no longer want it there, it would be a good idea to press J in the sector that has a ceiling first and then in the sector with the window above. This way when you go into 3d mode the entire room will now have a ceiling. If you did it the other way around the entire room would now be outside because by pressing j in the sector with the window first you have set that as your sector to keep its properties after the two are joined.

You will get the hang of it. Everything you create in build can be uncreated.