--- Jim Parker <hopeye@xxxxxxxxxx> wrote: > So the solution is to create a table of parts. This table contains > information needed to uniquely identify the part, plus an anchor > point(s). > > So now all you have to do is change the anchor point and everthing > else > follows. For example, move the wall containing the anchor point, the > I dont understand, are you saying that upon every change of every single point (e.g. moving a door in a wall) you will then have to update the entire database? How about the CAD database of a building with 120 floors, does this scale? Am I missing something? > program will automagically move the anchor point to stay with the > wall, > and hence the end user sees the door following the wall as he moves > it. Of course you need error checking to make sure you don't break > the > laws of physics. And you need some sort of locking mechanism so you > can't edit the part. > Roland __________________________________ Do you Yahoo!? The New Yahoo! Search - Faster. Easier. Bingo. http://search.yahoo.com