// 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 camera appropriate for the isosurface
camera = AutoCamera(isosurface);
    // Render the isosurface using the camera and create an image
image = Render(isosurface,camera);
    // Display the image. Note that normally, you would use Display to both
    // render and display; in this case however, we want to operate on the
    // image itself using the Filter module
Display(image);
    // Filter the image using the laplacian filter. Operate on the "colors"
    // component
filtered = Filter(image,"laplacian","colors");
    // Display the filetered image
Display(filtered);


    // Create an explicit box filter
filter = [[0.1111 0.1111 0.1111][0.1111 0.1111 0.1111]
          [0.1111 0.1111 0.1111]];
    // Filter the image using the box filter
filtered = Filter(image,filter,"colors");
    // Display the filtered image
Display(filtered);