1 |
""" |
2 |
defines a scene in which items are shown |
3 |
|
4 |
@var __author__: name of author |
5 |
@var __license__: licence agreement |
6 |
@var __copyright__: copyrights |
7 |
@var __url__: url entry point on documentation |
8 |
@var __version__: version |
9 |
@var __date__: date of the version |
10 |
""" |
11 |
|
12 |
__copyright__=""" Copyright (c) 2006 by ACcESS MNRF |
13 |
http://www.access.edu.au |
14 |
Primary Business: Queensland, Australia""" |
15 |
__license__="""Licensed under the Open Software License version 3.0 |
16 |
http://www.opensource.org/licenses/osl-3.0.php""" |
17 |
__author__="Paul Cochrane, L. Gross" |
18 |
__url__="http://www.iservo.edu.au/esys" |
19 |
__version__="$Revision:$" |
20 |
__date__="$Date:$" |
21 |
|
22 |
from camera import IsometricCamera |
23 |
from colors import White |
24 |
|
25 |
|
26 |
|
27 |
def Scene(Component): |
28 |
""" |
29 |
a scene for visualization |
30 |
""" |
31 |
def __init__(self,x_size,y_size) |
32 |
super(Scene, self).__init__() |
33 |
self.x_size=x_size |
34 |
self.y_size=y_size |
35 |
self.setBackgroundColor() |
36 |
self.setCamera() |
37 |
|
38 |
def render(self,filename=None,wait=False): |
39 |
""" |
40 |
renders the scene. If filename is present the file is rendered in the file filename |
41 |
""" |
42 |
pass |
43 |
|
44 |
def _addComponent(self,comp): |
45 |
pass |
46 |
|
47 |
def setBackgroundColor(self,color=White()): |
48 |
""" |
49 |
Sets the background color of the Scene |
50 |
|
51 |
@param color: The color to set the background to. Can be RGB or CMYK |
52 |
@type color: L{Color} |
53 |
""" |
54 |
pass |
55 |
|
56 |
def openScene(renderer="pyvisi",x_size=640,y_size=480): |
57 |
""" |
58 |
opens a scene |
59 |
|
60 |
@param renderer: renderer to be used |
61 |
@param x_size: window width (in pixel) |
62 |
@param y_size: window height (in pixel) |
63 |
@param camera: camera |
64 |
@param background: background color |
65 |
@returns: L{Scene} |
66 |
""" |
67 |
if renderer == "vtk_online": |
68 |
import renderers.vtk.VTKScene as VTKScene |
69 |
return VTKScene(x_size,y_size,"online", offscreen=False) |
70 |
elif renderer == "vtk_ps": |
71 |
import renderers.vtk.VTKScene as VTKScene |
72 |
return VTKScene(x_size,y_size,"ps", offscreen=True) |
73 |
elif renderer == "vtk_png": |
74 |
import renderers.vtk.VTKScene as VTKScene |
75 |
return VTKScene(x_size,y_size,"png", offscreen=True) |
76 |
elif renderer == "vtk_jpeg": |
77 |
import renderers.vtk.VTKScene as VTKScene |
78 |
return VTKScene(x_size,y_size,"jpeg", offscreen=True) |
79 |
elif renderer == "vtk_tiff": |
80 |
import renderers.vtk.VTKScene as VTKScene |
81 |
return VTKScene(x_size,y_size,"tiff", offscreen=True) |
82 |
elif renderer == "vtk_bmp": |
83 |
import renderers.vtk.VTKScene as VTKScene |
84 |
return VTKScene(x_size,y_size,"bmp", offscreen=True) |
85 |
elif renderer == "vtk_pnm": |
86 |
import renderers.vtk.VTKScene as VTKScene |
87 |
return VTKScene(x_size,y_size,"pnm", offscreen=True) |
88 |
elif renderer == "pyvisi" or renderer==None: |
89 |
import Scene |
90 |
return Scene(x_size,y_size) |
91 |
else: |
92 |
raise ValueError, "Unknown renderer %s."%renderer |
93 |
########################################################################################## |
94 |
## vtk specific stuff (should be in renderers.vtk) |
95 |
########################################################################################## |
96 |
def renderArrow(comp): |
97 |
pass # |
98 |
class VTKScene(Scene): |
99 |
def __init__(x_size,y_size,format,offscreen): |
100 |
super(VTKScene, self).__init__() |
101 |
self.__comps=[] |
102 |
pass |
103 |
def _addComponent(self,comp): |
104 |
if isinstance(Arrow,comp): |
105 |
# ... some vtk set up here" |
106 |
comp._render=renderArrow |
107 |
self.__comps.append(comp) |
108 |
|
109 |
def render(self,filename=None,wait=False): |
110 |
""" |
111 |
renders the scene. If filename is present the file is rendered in the file filename |
112 |
""" |
113 |
for i in self.__comps: i.render() |
114 |
pass # more rendering work |
115 |
for i in self.__comps: i.markFeaturesAsUsed() |
116 |
|