<div class="gmail_quote">On Thu, Aug 23, 2012 at 12:12 PM, Chris Eldred <span dir="ltr"><<a href="mailto:chris.eldred@gmail.com" target="_blank">chris.eldred@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div id=":xt">Thanks- that helps a lot. If I need stencils that are larger than<br>
closure(p) U star(p) (for a higher-order finite difference method, for<br>
example), I assume that I need to create my own PetscSF's that<br>
describe which points need to be ghosted?<br></div></blockquote><div><br></div><div>Is this still a fully unstructured method? The Sieve formalism doesn't give you a very efficient way to do this for structured or semi-structured grids.<br>
<br>Even so, if wider stencils are to be supported, I think it should be implemented within the library. Doing it outside with the current infrastructure is going to be quite a rabbit hole.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div id=":xt">
Is there some documentation or example code that explains the theory<br>
behind star forests?</div></blockquote></div><div><br></div><div>Docs for the basic operations:</div><br><div><a href="http://59A2.org/files/StarForest.pdf">http://59A2.org/files/StarForest.pdf</a></div>