From c3307ae358dfe083ea84e28396dc18b24971130e Mon Sep 17 00:00:00 2001
From: Peter Munch <peterrmuench@gmail.com>
Date: Tue, 16 Mar 2021 20:20:58 +0100
Subject: [PATCH] DataOut::build_patches(): make mapping dependent on tria

---
 source/numerics/data_out.cc | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/source/numerics/data_out.cc b/source/numerics/data_out.cc
index 610e1b5060..b467243d1f 100644
--- a/source/numerics/data_out.cc
+++ b/source/numerics/data_out.cc
@@ -1084,10 +1084,14 @@ template <int dim, typename DoFHandlerType>
 void
 DataOut<dim, DoFHandlerType>::build_patches(const unsigned int n_subdivisions)
 {
-  build_patches(StaticMappingQ1<DoFHandlerType::dimension,
-                                DoFHandlerType::space_dimension>::mapping,
-                n_subdivisions,
-                no_curved_cells);
+  AssertDimension(this->triangulation->get_reference_cells().size(), 1);
+
+  build_patches(
+    this->triangulation->get_reference_cells()[0]
+      .template get_default_linear_mapping<DoFHandlerType::dimension,
+                                           DoFHandlerType::space_dimension>(),
+    n_subdivisions,
+    no_curved_cells);
 }
 
 
-- 
2.39.5