pyvisi/py_src/logo.py

"""
@author: John NGUI
"""

import vtk
from mapper import ImageMapper
from imagereslice import ImageReslice
from actor import Actor2D
from constant import Viewport

# NOTE: ImageMapper, ImageReslice and Actor2D were inherited to  allow access 
# to their public methods from the driver.
class Logo(ImageMapper, ImageReslice, Actor2D):
    """
    Class that displays a static image in particular a logo 
    (i.e. company symbol) which has NO interaction capability. 
    """

    # The SOUTH_WEST default viewport is used when there is only one viewport.
    # This saves the user from specifying the viewport when there is only one.
    def __init__(self, scene, image_reader, viewport = Viewport.SOUTH_WEST):
        """
        @type scene: L{Scene <scene.Scene>} object
        @param scene: Scene in which the logo is to be displayed
        @type image_reader: L{ImageReader <imagereader.ImageReader>}
                object
        @param image_reader: Deal with source of data for vizualisation
        @type viewport: L{Viewport <constant.Viewport>} constant  
        @param viewport: Viewport in which the logo is to be displayed
        """

        # ----- Logo -----

        ImageReslice.__init__(self, image_reader._getOutput())
        ImageMapper.__init__(self, ImageReslice._getOutput(self))

        Actor2D.__init__(self, ImageMapper._getImageMapper(self))
        scene._addActor2D(viewport, Actor2D._getActor2D(self))

1	"""
2	@author: John NGUI
3	"""
4
5	import vtk
6	from mapper import ImageMapper
7	from imagereslice import ImageReslice
8	from actor import Actor2D
9	from constant import Viewport
10
11	# NOTE: ImageMapper, ImageReslice and Actor2D were inherited to allow access
12	# to their public methods from the driver.
13	class Logo(ImageMapper, ImageReslice, Actor2D):
14	"""
15	Class that displays a static image in particular a logo
16	(i.e. company symbol) which has NO interaction capability.
17	"""
18
19	# The SOUTH_WEST default viewport is used when there is only one viewport.
20	# This saves the user from specifying the viewport when there is only one.
21	def __init__(self, scene, image_reader, viewport = Viewport.SOUTH_WEST):
22	"""
23	@type scene: L{Scene <scene.Scene>} object
24	@param scene: Scene in which the logo is to be displayed
25	@type image_reader: L{ImageReader <imagereader.ImageReader>}
26	object
27	@param image_reader: Deal with source of data for vizualisation
28	@type viewport: L{Viewport <constant.Viewport>} constant
29	@param viewport: Viewport in which the logo is to be displayed
30	"""
31
32	# ----- Logo -----
33
34	ImageReslice.__init__(self, image_reader._getOutput())
35	ImageMapper.__init__(self, ImageReslice._getOutput(self))
36
37	Actor2D.__init__(self, ImageMapper._getImageMapper(self))
38	scene._addActor2D(viewport, Actor2D._getActor2D(self))
39