import os

from dipy.data import read_viz_icons, fetch_viz_icons

from dipy.viz import ui, window

tb = ui.CustomInteractorStyle()

def temp(obj, event):
	global cnt, actor, show_manager, tb
	cnt += 1
	tb.message = "Let's count up to 20 and exit :" + str(cnt)
	show_manager.render()
	if cnt > 19:
		show_manager.exit()



current_size = (600, 600)
show_manager = window.ShowManager(size=current_size, title=" Frame Rate")

for i in range(10):
	sphereSource = window.vtk.vtkSphereSource()
	sphereSource.SetCenter(i, 0, 0)

	mapper = window.vtk.vtkPolyDataMapper()
	mapper.SetInputConnection(sphereSource.GetOutputPort())

	actor = window.vtk.vtkActor()
	actor.SetMapper(mapper)

	show_manager.ren.add(actor)




show_manager.add_timer_callback(True, 200, temp)
show_manager.start()