/usr/share/dx/samples/scripts/Direction is in dxsamples 4.4.0-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | // 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);
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