# HG changeset patch
# User Chris Cannam
# Date 1564761020 -3600
# Node ID 7669c8cc869deb4ca0114a577a518913bd5e2da2
# Parent  46ab91e26bfe2a9364400310470355015a01e331
Use layer->getSourceModel

diff -r 46ab91e26bfe -r 7669c8cc869d framework/Document.cpp
--- a/framework/Document.cpp	Thu Aug 01 15:21:13 2019 +0100
+++ b/framework/Document.cpp	Fri Aug 02 16:50:20 2019 +0100
@@ -1356,12 +1356,9 @@
 
         if (i->first && !i->second.empty()) { // Layer exists, is in views
             ModelId modelId = i->first->getModel();
-            if (auto model = ModelById::get(modelId)) {
-                used.insert(modelId);
-                if (!model->getSourceModel().isNone()) {
-                    used.insert(model->getSourceModel());
-                }
-            }
+            ModelId sourceId = i->first->getSourceModel();
+            if (!modelId.isNone()) used.insert(modelId);
+            if (!sourceId.isNone()) used.insert(sourceId);
         }
     }