SO, ONLY WAY TO FIX A NON-CONVEX SECTOR IS......??


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Posted by PIG_DOG on February 22, 1998 at 11:38:54:

In Reply to: Ok, that picture didn't work posted by Osan`gar on February 22, 1998 at 00:56:25:

> > > > after using the consistancy checker, it said that a secotr of my lvl wasnt convex. how do i fix this, by not being convex, i cannot acces this sector and move around in it....

> > > > this is something i NEED to know...

> > > > so if u know how to fix it, tell me please!

> > > > Thanks
> > > > PIG DOG

> > > This has happened to me and the least painful way I have found is to delete it,
> > > insert a new sector and cleave to suit the sectors around it. Of course, if
> > > the sector has a lot of cleaves in it, this can be quite daunting.

> > Ok, don't start deleting sectors yet. I am going to explain exactly what a convex and a concave sector is. First off, there are two things (at least) that can cause a sector not convex error. 1) The sector is not convex or 2) A surface in the sector is not convex. Now, what is a convex sector? A convex sector is one in which the interior area of all the angles of the polygon are in the interior of the polygon (does anyone actually remember Geometry class). Thus, a cocave sector is a sector in which the interior of one or more angles is in the exterior of the polygon formed by the angles. Ok, I know that is more or less technical, so I am going to provide examples below.

> > Convex:

> > ******
> > * *
> > * * <----interior of angle is in the interior of the polygon
> > * *
> > ********

> >
> > Concave:

> > *********
> > * *
> > * * <----interior of the angle is in the exterior of the polygon
> > * *
> > *******

> > I hope this clears up the problem that some people have had determining what a convex and a concave sector/surface. I know the feeling. I just realized the other day what it meant by convex and concave. I was thinking about it and all of a sudden Geometry class came back to me and made a whole lot more sense. ;) All thanks to Jedi Knight. :) This problem can be corrected with some very simple cleaving or merging. You may have to get a little inventive, but now that you know what a convex sector/surface looks like, you'll know how to avoid creating the error. I hope this helped.

> I went to all that trouble of drawing that picture and it didn't even show up right! That pisses me off! Sorry guys. I hope you got the idea through my explanation. If you didn't, maybe someone else can draw the picture.


SO THE ONLY SOLUTION IS TO CLEAVE NEW ADJOINS OR REMAKE THE SECTOR??




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