| 1 |
""" |
| 2 |
@var __author__: name of author |
| 3 |
@var __copyright__: copyrights |
| 4 |
@var __license__: licence agreement |
| 5 |
@var __url__: url entry point on documentation |
| 6 |
@var __version__: version |
| 7 |
@var __date__: date of the version |
| 8 |
""" |
| 9 |
|
| 10 |
__author__="John Ngui, john.ngui@uq.edu.au" |
| 11 |
__copyright__=""" Copyright (c) 2006 by ACcESS MNRF |
| 12 |
http://www.access.edu.au |
| 13 |
Primary Business: Queensland, Australia""" |
| 14 |
__license__="""Licensed under the Open Software License version 3.0 |
| 15 |
http://www.opensource.org/licenses/osl-3.0.php""" |
| 16 |
__url__="http://www.iservo.edu.au/esys" |
| 17 |
__version__="$Revision$" |
| 18 |
__date__="$Date$" |
| 19 |
|
| 20 |
|
| 21 |
import vtk |
| 22 |
|
| 23 |
class Clipper: |
| 24 |
""" |
| 25 |
Class that defines a clipper. |
| 26 |
""" |
| 27 |
|
| 28 |
def __init__(self): |
| 29 |
""" |
| 30 |
Initialise the clipper. |
| 31 |
""" |
| 32 |
|
| 33 |
self.__vtk_clipper = vtk.vtkClipDataSet() |
| 34 |
|
| 35 |
def _setupClipper(self, object, plane): |
| 36 |
""" |
| 37 |
Setup the clipper. |
| 38 |
|
| 39 |
@type object: vtkUnstructuredGrid, etc |
| 40 |
@param object: Input for the clipper |
| 41 |
@type plane: vtkPlane |
| 42 |
@param plane: Plane to clip the object |
| 43 |
""" |
| 44 |
|
| 45 |
self.__object = object |
| 46 |
# True only if a plane is used to perform clipping. False for |
| 47 |
# scalar clipping. |
| 48 |
if(plane != None): |
| 49 |
self.__plane = plane |
| 50 |
|
| 51 |
self.__setInput() |
| 52 |
# Due to this it's not possible to setInsideOutOff() when used with Rotation |
| 53 |
# self.setInsideOutOn() |
| 54 |
|
| 55 |
def __setInput(self): |
| 56 |
""" |
| 57 |
Set the input for the clipper. |
| 58 |
""" |
| 59 |
|
| 60 |
self.__vtk_clipper.SetInput(self.__object) |
| 61 |
|
| 62 |
def _setClipFunction(self): |
| 63 |
""" |
| 64 |
Set the clip function (using a plane) for the clipper. |
| 65 |
""" |
| 66 |
|
| 67 |
self.__vtk_clipper.SetClipFunction(self.__plane) |
| 68 |
|
| 69 |
def setInsideOutOn(self): |
| 70 |
""" |
| 71 |
Clip one side of the rendered object. |
| 72 |
""" |
| 73 |
|
| 74 |
self.__vtk_clipper.InsideOutOn() |
| 75 |
|
| 76 |
def setInsideOutOff(self): |
| 77 |
""" |
| 78 |
Clips the other side of the rendered object. |
| 79 |
""" |
| 80 |
|
| 81 |
self.__vtk_clipper.InsideOutOff() |
| 82 |
|
| 83 |
def setClipValue(self, value): |
| 84 |
""" |
| 85 |
Set the scalar clip value (intead of using a plane) for the clipper. |
| 86 |
|
| 87 |
@type value: Number |
| 88 |
@param value: Scalar clip value |
| 89 |
""" |
| 90 |
|
| 91 |
self.__vtk_clipper.SetValue(value) |
| 92 |
|
| 93 |
def _getClipperOutput(self): |
| 94 |
""" |
| 95 |
Return the output of the clipper. |
| 96 |
|
| 97 |
@rtype: vtkUnstructuredGrid |
| 98 |
@return: Unstructured grid |
| 99 |
""" |
| 100 |
|
| 101 |
return self.__vtk_clipper.GetOutput() |
| 102 |
|
Parent Directory
| 
Revision Log