/usr/share/dx/samples/scripts/ShowConnections is in dxsamples 4.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12  |    // Import the data
electrondensity = Import("watermolecule");
   // Partition the data
electrondensity = Partition(electrondensity);
   // Create a camera
camera = AutoCamera(electrondensity,width=3);
   // Create an isosurface at a value of 0.3
isosurface = Isosurface(electrondensity,0.3);
   // Show the connection elements of the isosurface
connections = ShowConnections(isosurface);
   // Display
Display(connections,camera);
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