/usr/share/dx/samples/scripts/RubberSheet is in dxsamples 4.4.0-3.
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 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | // Import the data
electrondensity = Import("watermolecule");
// Partition the data
electrondensity = Partition(electrondensity);
// Create a camera for the data
camera = AutoCamera(electrondensity,"off-diagonal");
// Create a cutting plane through the data. The point [1 0 -0.9] and
// the normals [0 0 1] (the default) define the plane
plane = MapToPlane(electrondensity,[1 0 -0.9]);
// Color the plane based on the data values
plane = AutoColor(plane);
// RubberSheet deforms the plane based on the data values.
rubbersheet = RubberSheet(plane);
// Add shading using the Normals module
rubbersheet = Normals(rubbersheet);
// Display the result
Display(rubbersheet,camera);
// Create a maptoplane through the center of the data
plane = MapToPlane(electrondensity);
// Post the data so that it is dependent on connections rather than
// upon positions
plane = Post(plane,"connections");
// Color the plane using AutoColor
plane = AutoColor(plane);
// Deform the colored plane using RubberSheet
deformed = RubberSheet(plane);
// Add face-dependent normals and Display
deformed = FaceNormals(deformed);
macro movecamera(direction)
{
camera = AutoCamera(deformed,direction,width=3);
Display(deformed,camera);
}
direction = Direction(azimuth=50, elevation=30);
movecamera(direction);
direction = Direction(azimuth=30, elevation=30);
movecamera(direction);
direction = Direction(azimuth=10, elevation=30);
movecamera(direction);
direction = Direction(azimuth=-10, elevation=30);
movecamera(direction);
// create an isosurface of the data
isosurface = Isosurface(electrondensity,0.3);
// compute the gradient of the electron density and map it onto the
// isosurface
gradient = Gradient(electrondensity);
mapped = Map(isosurface,gradient);
// Take the magnitude of the gradient on the isosurface
mapped = Compute("mag($0)", mapped);
// RubberSheet the mapped isosurface, then give it an opacity < 1.0
mapped = AutoColor(mapped);
deformed = RubberSheet(mapped);
deformed = Color(deformed,opacity=0.3);
// Collect the deformed isosurface with the original isosurface and display
collected = Collect(isosurface,deformed);
camera = AutoCamera(collected);
Display(collected,camera);
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