pyvisi/py_src/camera.py

"""
Class that controls the camera and its settings.
"""

import vtk

class Camera:
    """
    @author: John Ngui
    @author: Lutz Gross
    """

    def __init__(self, open_scene):
        """
        @type open_scene: L{OpenScene <openscene.OpenScene>} object
        @param open_scene: Scene in which components are to be added to
        """

        self.open_scene = open_scene
        self.vtk_camera = None 

        self.setCamera()

    def setCamera(self):
        """
        Set up the camera and associate it with the renderer.
        """

        self.vtk_camera = vtk.vtkCamera()       
        self.open_scene.getRenderer().SetActiveCamera(self.vtk_camera)

    def setClippingRange(self, near_clipping, far_clipping):
        """
        Set the near and far clipping plane of the camera.

        @type near_clipping: Number
        @param near_clipping: Distance to the near clipping range
        @type far_clipping: Number
        @param far_clipping: Distance to the far clipping plane
        """

        self.vtk_camera.SetClippingRange(near_clipping, far_clipping)

    def setFocalPoint(self, position):
        """
        Set the focal point of the camera.
    
        @type position: L{Position <geo.Position>} object
        @param position: Camera focal point position 
        """

        self.vtk_camera.SetFocalPoint(position.getXCoor(), position.getYCoor(),
            position.getZCoor())    

    def setPosition(self, position):
        """
        Set the position of the camera.

        @type position: L{Position <geo.Position>} object
        @param position: Camera position 
        """

        self.vtk_camera.SetPosition(position.getXCoor(), position.getYCoor(),
            position.getZCoor())

    def setViewUp(self, position):
        """
        Set the up direction of the camera.

        @type position: L{Position <geo.Position>} object
        @param position: Camera view up position
        """

        self.vtk_camera.SetViewUp(position.getXCoor(), position.getYCoor(), 
            position.getZCoor())


class FrontView(Camera):
    pass

class BackView(Camera):
    pass

class TopView(Camera):
    pass

class BottomView(Camera):
    pass

class LeftView(Camera):
    pass

class RightView(Camera):
    pass

class IsometricView(Camera):
    pass
1	"""
2	Class that controls the camera and its settings.
3	"""
4
5	import vtk
6
7	class Camera:
8	"""
9	@author: John Ngui
10	@author: Lutz Gross
11	"""
12
13	def __init__(self, open_scene):
14	"""
15	@type open_scene: L{OpenScene <openscene.OpenScene>} object
16	@param open_scene: Scene in which components are to be added to
17	"""
18
19	self.open_scene = open_scene
20	self.vtk_camera = None
21
22	self.setCamera()
23
24	def setCamera(self):
25	"""
26	Set up the camera and associate it with the renderer.
27	"""
28
29	self.vtk_camera = vtk.vtkCamera()
30	self.open_scene.getRenderer().SetActiveCamera(self.vtk_camera)
31
32	def setClippingRange(self, near_clipping, far_clipping):
33	"""
34	Set the near and far clipping plane of the camera.
35
36	@type near_clipping: Number
37	@param near_clipping: Distance to the near clipping range
38	@type far_clipping: Number
39	@param far_clipping: Distance to the far clipping plane
40	"""
41
42	self.vtk_camera.SetClippingRange(near_clipping, far_clipping)
43
44	def setFocalPoint(self, position):
45	"""
46	Set the focal point of the camera.
47
48	@type position: L{Position <geo.Position>} object
49	@param position: Camera focal point position
50	"""
51
52	self.vtk_camera.SetFocalPoint(position.getXCoor(), position.getYCoor(),
53	position.getZCoor())
54
55	def setPosition(self, position):
56	"""
57	Set the position of the camera.
58
59	@type position: L{Position <geo.Position>} object
60	@param position: Camera position
61	"""
62
63	self.vtk_camera.SetPosition(position.getXCoor(), position.getYCoor(),
64	position.getZCoor())
65
66	def setViewUp(self, position):
67	"""
68	Set the up direction of the camera.
69
70	@type position: L{Position <geo.Position>} object
71	@param position: Camera view up position
72	"""
73
74	self.vtk_camera.SetViewUp(position.getXCoor(), position.getYCoor(),
75	position.getZCoor())
76
77
78
79
80
81
82	class FrontView(Camera):
83	pass
84
85	class BackView(Camera):
86	pass
87
88	class TopView(Camera):
89	pass
90
91	class BottomView(Camera):
92	pass
93
94	class LeftView(Camera):
95	pass
96
97	class RightView(Camera):
98	pass
99
100	class IsometricView(Camera):
101	pass