[Trilinos-Users] node renumbering

[Heroux, Michael A]

Riccardo,

There are a few reindexing functions in EpetraExt.  There isn't one that does just the graph, but there is one that does a matrix, so could be easily adapted:

http://trilinos.sandia.gov/packages/docs/r10.6/packages/epetraext/doc/html/classEpetraExt_1_1CrsMatrix__Reindex.html

Mike


On 2/16/11 2:14 AM, "Riccardo Rossi" <rrossi at cimne.upc.edu> wrote:

> Dear List,    i was wandering if the Epetra or Epetra_Ext provides a tool
> for renumbering of graphs.  Ideally i am looking for something that does
> renumbering "locally" without migrating data. The objective of course would be
> to optimize the filling of a FECrsMatrix, but i would like to do it directly
> by optimizing the numeration of the nodes of my FE mesh, so i can not rely on
> the internal optimizations of the Epetra, but rather i would like to call them
> explicitly. thank you Riccardo --
> ________________________________________________________________ Riccardo
> Rossi, Ph.D, Civil Engineer member of the Kratos Group:
> kratos.cimne.upc.es Centro Internacional de Métodos Numéricos en Ingeniería
> (CIMNE) Universidad Politécnica de Cataluña (UPC) Edificio C-1, campus Norte
> UPC Gran Capitan, s/n 08034 Barcelona, España Tel. (+34) 93 401 73
> 99 ________________________________________________________________ AVISO
> IMPORTANTE Los datos de carácter personal contenidos en el mensaje, se
> registrarán en un fichero para facilitar la gestión de las comunicaciones de
> CIMNE. Se pueden ejercitar los derechos de acceso, rectificación, cancelación
> y oposición por escrito, dirigiéndose a nuestras oficinas de CIMNE,
> Gran Capitán s/n,  Edificio C1 - Campus Norte UPC, 08034 Barcelona,
> España. AVÍS IMPORTANT Les dades de caràcter personal contingudes en aquest
> missatge es registraran en un fitxer per facilitar la gestió de les
> comunicacions del CIMNE. Es poden exercir els drets d'accés,
> rectificació, cancel·lació i oposició, per escrit a les nostres oficines del
> CIMNE, Gran Capità s/n, Edifici C1, Campus Nord UPC, 08034 Barcelona,
> Espanya. IMPORTANT NOTICE All personal data contained in this mail will be
> processed confidentially and stored in a file property of CIMNE in order to
> manage corporate communications. You may exercise the right of
> access, rectification, deletion and objection by letter sent to CIMNE,
> Gran Capitán, Edificio C1 - Campus Norte UPC, 08034 Barcelona,
> Spain. _______________________________________________ Trilinos-Users
> mailing
> list Trilinos-Users at software.sandia.gov http://software.sandia.gov/mailman/lis
> tinfo/trilinos-users
-------------- next part --------------
An HTML attachment was scrubbed...
URL: https://software.sandia.gov/pipermail/trilinos-users/attachments/20110216/4c1f11cf/attachment.html