]> https://gitweb.dealii.org/ - dealii-svn.git/commitdiff
Mention a class that now exists.
authorbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Sat, 21 Dec 2013 13:25:51 +0000 (13:25 +0000)
committerbangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Sat, 21 Dec 2013 13:25:51 +0000 (13:25 +0000)
git-svn-id: https://svn.dealii.org/trunk@32080 0785d39b-7218-0410-832d-ea1e28bc413d

deal.II/examples/step-42/step-42.cc

index 25da577c989547ef2b52720d0cb0e84db48fb176..64cd41d3be9e56883da965788c511847eadfa53e 100644 (file)
@@ -427,7 +427,11 @@ namespace Step42
     // i.e., the Chinese character. The first of the two, <code>BitmapFile</code>
     // is responsible for reading in data from a picture file
     // stored in pbm ascii format. This data will be bilinearly interpolated and
-    // provides in this way a function which describes an obstacle.
+    // thereby provides a function that describes the obstacle. (The code below
+    // shows how one can construct a function by interpolating between given
+    // data points. One could use the Functions::InterpolatedUniformGridData,
+    // introduced after this tutorial program was written, which does exactly
+    // what we want here, but it is instructive to see how to do it by hand.)
     //
     // The data which we read from the file will be stored in a double std::vector
     // named obstacle_data.  This vector composes the base to calculate a

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