// Import the data
electrondensity = Import("watermolecule");
    // Partition the data
electrondensity = Partition(electrondensity);
    // Show the boundary of the data field, and add shading using the Normals
    // module
boundary = ShowBoundary(electrondensity);
boundary = Normals(boundary);
    // Create a camera
camera = AutoCamera(electrondensity,"off-diagonal");
    // Display the boundary
Display(boundary,camera);

    // Mark the positions of the original field. This puts the positions
    // into the data component so that we can operate on them
marked = Mark(electrondensity,"positions");
    // warp the positions using the Compute module
warped = Compute("[$0.x, $0.y+sin($0.x), $0.z]", marked);
    // Return the warped positions to the "positions" component
new = Unmark(warped,"positions");
    // Show the boundary of the new field, and add normals for shading
boundary = ShowBoundary(new);
boundary = Normals(boundary);
    // Display the result
Display(boundary,camera);