Re: [Boost-users] Near to giving up was Re: new problem - BGL

From: Noah Roberts (roberts.noah_at_[hidden])
Date: 2007-05-23 13:37:35

Noah Roberts wrote:

> I can't believe how difficult using this library has turned out to be. 
> I'm very near just giving up on it entirely.  After hours and hours of 
> excruciating pain and suffering I have managed to get everything working 
> that I need except for one thing.  Now that I have changed to using 
> subgraphs, as required for being able to retrieve a subgraph at all, I 
> have run into a brick wall.
> 
> I can't write graphviz output anymore.  The function that now gets 
> called when I attempt to requires a graph_name property that just plain 
> isn't there.  I can find how to retrieve it by looking in the code that 
> thinks it should be there...but there is nothing anywhere that helps me 
> figure out how to set the damn thing; not in the docs and not anywhere 
> in the code that I can see.  So I'm at an impasse unless someone can 
> tell me exactly where in the docs I'm supposed to be able to find this 
> information.
> 
> Not only that.  I know for a fact this thing has a memory leak.  The 
> subgraph setup creates a subgraph somewhere inside the parent that I 
> can't get to.  I can create subgraph after subgraph but there's no way 
> to destroy them!  Looking at the code that creates them it is quite 
> obvious that they are created on the heap and my repeated creation of 
> them is going to pose a problem rather quickly.  Quite frankly, I can't 
> understand how this API exists without a method to kill subgraphs.  This 
> is a major flaw.
> 
> Boost is great, but I tell you....some of these libraries could REALLY 
> use some work on the documentation side.  I'm going bald trying to 
> figure this damn thing out.

Ok, all my complaints still apply but I managed to get what I want done. 
  I gave up on subgraphs and instead used filtered graphs.  These don't 
have any of the above problems.