From 66dbe46bea5b23e8ca4982dcd50cb9e3e1e4964b Mon Sep 17 00:00:00 2001 From: Wolfgang Bangerth Date: Mon, 21 Oct 2019 19:44:18 -0600 Subject: [PATCH] Update the results section of step-49. --- examples/step-49/doc/results.dox | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/examples/step-49/doc/results.dox b/examples/step-49/doc/results.dox index 638b320545..e7b1ddab4a 100644 --- a/examples/step-49/doc/results.dox +++ b/examples/step-49/doc/results.dox @@ -341,9 +341,11 @@ different boundary conditions. For example, you might want to apply a different boundary condition for the right boundary of the first grid in this program. To do this, iterate over the cells and their faces and identify the correct faces (for example using -cell->center() or cell->get_boundary_id()). You can then use -cell->set_boundary_id() to set the boundary id to something different. You can -take a look back at step-1 how iteration over the meshes is done there. +`cell->center()` to query the coordinates of the center of a cell as we +do in step-1, or using `cell->face(f)->get_boundary_id()` to query the current +boundary indicator of the $f$th face of the cell). You can then use +cell->face(f)->set_boundary_id() to set the boundary id to something different. +You can take a look back at step-1 how iteration over the meshes is done there.

Extracting a boundary mesh

-- 2.39.5