ForEach Polyextrude deforms geometry at edges

[matchboxninja]

Hey guys,

I'm having a bit of an issue with using the ForEach node to extrude my model according to color.

At each edge of the building either there is a gap where an extrusion should be, or (as can be seen on the front left edge) it deforms the edge completely.

Is this something to do with the normals?

Or the use of the paint SOP?

I've attached 2 files: one with only the front plane painted, and the second with each edge painted too.

I did this because when I realised the front left edge was deforming, I wanted to test the others.

Any help would be much appreciated

Thanks in advance.

garage1_od.hipnc

garage2_od.hipnc

[Macha]

I think it is the groups themselves. Obviously you can't get the average position of two points if they are not in the same foreach cycle.

Why do you need the foreach at all by the way? If you just polyextrude it looks fine. Perhaps an attribute based solution would be better.

Edited February 21, 2011 by Macha

[matchboxninja]

I'm using the foreach to extrude the geometry and keep the coloured groups.

Is there a way to do this without a foreach so that when the simulation occurs and the building breaks up, it breaks up according to the colours?

If I was to just use a polyextrude, how do I reference the colour groups?

Thanks