// Import the data
electrondensity = Import("watermolecule");
   // Partition the data
electrondensity = Partition(electrondensity);
   // Create an isosurface at a value of 0.3
isosurface = Isosurface(electrondensity,0.3);
   // Create a from vector at azimuth 20 degrees, elevation 80 degrees, and
   // distance 10 degrees
from = Direction(20, 80, 10);
camera = AutoCamera(isosurface,from);
Display(isosurface,camera);

    // Change the from direction
from = Direction(20, 10, 100);
    // Choose the point on the ClipPlane
center = [1 0 -1];
    // Create a camera
camera = Camera(center, from, 3);
    // Find the vector from the from direction to the center
clipnormal = Compute("$0 - $1", from, center);
    // Use that vector as the normal to the clipping plane
clipped_object = ClipPlane(isosurface, center, clipnormal);
Display(clipped_object,camera);