basic_geometry.py

## \example display/basic_geometry.py
# This example shows how to write basic geometric primitives to a file
# with color and name.

from __future__ import print_function
import IMP.display
import sys

IMP.setup_from_argv(sys.argv,
    "Write basic geometric primitives to a file with color and name.")

name = IMP.create_temporary_file_name("example", ".py")
print("File name is", name)
w = IMP.display.PymolWriter(name)

bb = IMP.algebra.BoundingBox3D(IMP.algebra.Vector3D(0, 0, 0),
                               IMP.algebra.Vector3D(100, 100, 100))
# we could skip the outer loop if we only have one frame
for f in range(0, 10):
    w.set_frame(f)
    g = IMP.display.BoundingBoxGeometry(bb)
    g.set_name("bb")
    w.add_geometry(g)
    for i in range(0, 10):
        p = IMP.algebra.get_random_vector_in(bb)
        g = IMP.display.SphereGeometry(IMP.algebra.Sphere3D(p, 10))
        # give each a distinctive color
        g.set_color(IMP.display.get_display_color(i))
        g.set_name(str(i))
        # add it to the file
        w.add_geometry(g)