I'm creating a destroyed house using displacements. The idea was to create something similar to the way valve made the flash, destroyed house prop. I've tried this absolutly every way. I've sewed, displaced one surface at a time and tried smoothgroups to no avail. I continually have these gaps in the texture, but they seem to show up in someplaces sometimes and in other places sometimes if i mess around with the house. On a testmap i have, the house looks perfect in game, and it also looks fine on the map in hammer but in game it does this. Does anyone know why this is and how valve was able to create that house.

Check in hammer to see if all the displacement lines line up. you may have cut a piece and the displacement lines no longer line up

Destroy the displacement and do a check for errors, make sure that it's not an invalid solid.

I would like you to Zombie's gridsnapper but it seems to not be hosted anymore...
Re-align every single vertice on every displacement brush. It may look fine on the grid, but this trick works wonders.

The destroyed wall sections in flash are models, you could make something in hammer, but I'd avise only using 1-2 blocks for one wall except where there are windows :)

If there are invalid brushes creating a displacement hammer will ask you if you want to destroy them

Destroy the displacements, realign the brushes in the roto view, make sure they are all flush then create a displacement, make sure that there are only displacements on the visable faves and not where the faces meet or they wont sew

You'll also find that moving between units (2,4,8,16, etc) can cause your displacements to mis-align. I've been playing with a large displacement map recently and it ticks me off to go in and find these hairline gaps. I then go into hammer and zoom down as far as I can go and sure enough all the connection points of the displacment grid are off by a percentage 20 times smaller than a one unit grid. I end up having to re-vertex them back into line and recompile.

Your gaps are probably caused by having one wall at displacement factor 3 and another at 1 or 4...they will misalign if you try and shape them w/displacement tool.

Interesting. This is the thing that has made me pause on my map for so long - using a series of displacements to create some rounded arches for the bridge and I keep getting small hairline fractures that I don't like and everyone who looks at a preview comments on.

Originally posted by Someth|ngW|cked
If there are invalid brushes creating a displacement hammer will ask you if you want to destroy them

Correct my bad ignore me :p

Originally posted by FuzzDad
You'll also find that moving between units (2,4,8,16, etc) can cause your displacements to mis-align. I've been playing with a large displacement map recently and it ticks me off to go in and find these hairline gaps. I then go into hammer and zoom down as far as I can go and sure enough all the connection points of the displacment grid are off by a percentage 20 times smaller than a one unit grid. I end up having to re-vertex them back into line and recompile.

Your gaps are probably caused by having one wall at displacement factor 3 and another at 1 or 4...they will misalign if you try and shape them w/displacement tool.

I know that feeling Fuzzdad, the map I'm creating for RnL is a major countryside one and those little F**kers which should of stayed sealed together annoy me.

I wonder if valve has thought of some sort of fix for this because sometimes sewing doesn't even work on it