+ if(nodes[i].elevation==elevation_mode && nodes[i].ground==ground_mode)
+ continue;
+
+ DataFile::Statement ss("node");
+ ss.append(i);
+ if(nodes[i].elevation!=elevation_mode)
+ ss.sub.push_back((DataFile::Statement("elevation"), nodes[i].elevation));
+ if(nodes[i].ground!=ground_mode)
+ ss.sub.push_back((DataFile::Statement("ground"), nodes[i].ground));
+ st.push_back(ss);