Blender - Clone a given object at mesh vertices

blender-clone-at-vertices.py

# The following function is adapted from 
# Nick Keeline "Cloud Generator" addNewObject 
# from object_cloud_gen.py (an addon that comes with the Blender 2.6 package)

# Create a clone of object "coypobj" at all vertices in the "verticesFrom" object
# Usage example: cloneAtVertices(bpy.context.scene, bpy.data.objects['ball'], bpy.data.objects['positions'])
def cloneAtVertices(scene, copyobj, verticesFrom):
    index = 0;
    for v in verticesFrom.data.vertices:
        index = index + 1
        name = copyobj.name + str(index)
        mesh = bpy.data.meshes.new(name)
        ob_new = bpy.data.objects.new(name, mesh)
        ob_new.data = copyobj.data.copy()
        ob_new.scale = copyobj.scale
        ob_new.location = v.co # place object at the vertex
        scene.objects.link(ob_new)
        ob_new.select = True

# Create a clone of object "coypobj" at selected vertices in the "verticesFrom" object
# The vertex indices are specified in the list "vList"
# Usage example: cloneAtVertices(bpy.context.scene, bpy.data.objects['ball'], bpy.data.objects['positions'])
def cloneAtSelectedVertices(scene, copyobj, verticesFrom, vList):
    index = 0;
    for vi in vList:
        v = verticesFrom.data.vertices[vi]
        index = index + 1
        name = copyobj.name + str(index)
        mesh = bpy.data.meshes.new(name)
        ob_new = bpy.data.objects.new(name, mesh)
        ob_new.data = copyobj.data.copy()
        ob_new.scale = copyobj.scale
        ob_new.location = v.co # place object at the vertex
        scene.objects.link(ob_new)
        ob_new.select = True