So simple - thanks Sven :)
Morten
> Den 10. marts 2016 klokken 15:32 skrev Sven Constable
> <sixsi_l...@imagefront.de>:
>
>
> Application.SetSelFilter("Border_Edge")
> Application.SelectAllUsingFilter("Border_Edge",
> "siCheckComponentVisibility", "", "")
>
> -----Original Message-----
> From: softimage-boun...@listproc.autodesk.com
> [mailto:softimage-boun...@listproc.autodesk.com] On Behalf Of Morten
> Bartholdy
> Sent: Thursday, March 10, 2016 3:25 PM
> To: softimage@listproc.autodesk.com
> Subject: Re: ICE - how to align instances to edges?
>
> Wow thanks a lot Olivier - that looks like it will do the trick. The reason
> I didn't want to use curves is merely that I will get a lot of polygon
> islands and don't know how to automagically select all border edges for
> extraction - otherwise curve tangency would be fine.
>
> The Get Gg node just before Align Particle to Vector looks like it is the
> one that provides the edge vector, correct!? But I fail to understand what
> it is doing though.
>
> Cheers
> Morten
>
>
> > Den 10. marts 2016 klokken 14:17 skrev Olivier Jeannel
> > <facialdel...@gmail.com>:
> >
> >
> > If you don't want to use curve (and curve tangent), I made this, but
> > you need then to subdivide your edges to get good result.
> > It calculate a "tangent" stored per point on the polygonal object.
> > Then your Pointcloud get the closest location and take that tangent
> > data and aligns vector.
> >
> >
> > On Thu, Mar 10, 2016 at 2:01 PM, Olivier Jeannel
> > <facialdel...@gmail.com>
> > wrote:
> >
> > > You don't want to work with extracted edge curves ?
> > >
> > > On Thu, Mar 10, 2016 at 1:44 AM, Ed Manning <etmth...@gmail.com> wrote:
> > >
> > >> I think there might be something in Eric Mootz's emTools that does
> > >> alignment to edges?
> > >>
> > >> On Wed, Mar 9, 2016 at 7:22 PM, Morten Bartholdy
> > >> <x...@colorshopvfx.dk>
> > >> wrote:
> > >>
> > >>> I am tinkering with a simple method for creating a cityscape in
> > >>> ICE using scatter tools. Julien Carmagnac SiScatter does most of
> > >>> what I need with insetting instances from edges and even
> > >>> scattering, but I am missing one important functionality. I need
> > >>> to be able to align the x or z axis of the instances to the
> > >>> tangent of the closest border edge, and then add a little
> > >>> randomization to the y rotations. I have looked deep into the
> > >>> compounds and tried different ways to get the edge tangent, but
> > >>> alas my ICE skills come up short here. Any scattering tool would
> > >>> do I guess - Milan Vaseks Scatter Tools or even simple
> > >>> nonsimulated emissions, but I need this extra alignment method. I
> > >>> tried Juliens Generate instance on Curve too, but it requires edge
> > >>> curves to be selected and extracted, plus it seems the instances
> > >>> seem to be flipped
> > >>> 180 deg
> > >>> on the y-axis between isntances without any way to control it.
> > >>>
> > >>> I have attached a screenshot showing a simple test where the A
> > >>> example is what I need, and B is what I get with Generate instance
> > >>> on Curve.
> > >>>
> > >>> Any ideas on this will be much appreciated.
> > >>>
> > >>> Best
> > >>> Morten
> > >>> ------
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> > >>>
> > >>
> > >>
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