/[escript]/trunk/pyvisi/py_src/carpet.py
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revision 1206 by jongui, Wed Jun 20 05:01:30 2007 UTC revision 1207 by jongui, Mon Jul 2 02:02:26 2007 UTC
# Line 120  class Carpet(DataSetMapper, Actor3D, War Line 120  class Carpet(DataSetMapper, Actor3D, War
120    
121          self._setupPlane(self._getTransform())          self._setupPlane(self._getTransform())
122    
123            # Get the bounds of the object in the form of
124            # (xmin, xmax, ymin, ymax, zmin, zmax).
125            bounds = self.__data_collector._getDataCollectorOutput().GetBounds()
126            # Length of the z-axis (max - min). Assumption is made that if the
127            # length of the z-axis is equal to zero, the the data set is 2D.
128            # Otherwise, the data set is 3D. However, there are exceptions to this
129            # rule as some 2D data sets may have a z-axis length of non-zero, but
130            # such exceptions are not taken into account here.
131            z_axis_length = bounds[5] - bounds[4]
132    
133          if(self.__cell_to_point == True): # Converts cell data to point data.          if(self.__cell_to_point == True): # Converts cell data to point data.
134              c2p = CellDataToPointData(\              c2p = CellDataToPointData(\
135                      self.__data_collector._getDataCollectorOutput())                      self.__data_collector._getDataCollectorOutput())
136              self._setupCutter(c2p._getCellToPointOutput(), self._getPlane())                  if(z_axis_length != 0): # A cutter is used for 3D data.
137                    self._setupCutter(c2p._getCellToPointOutput(), \
138                            self._getPlane())  
139                    self._setupWarp(self._getCutterOutput())
140                elif(z_axis_length == 0): # A cutter is not used for 2D data.
141                    self._setupWarp(c2p._getCellToPointOutput())
142          elif(self.__cell_to_point == False): # No conversion happens.            elif(self.__cell_to_point == False): # No conversion happens.  
143              self._setupCutter(self.__data_collector._getDataCollectorOutput(),              if(z_axis_length != 0): # A cutter is used for 3D data.
144                      self._getPlane())                    self._setupCutter(\
145                            self.__data_collector._getDataCollectorOutput(), \
146                            self._getPlane())  
147                    self._setupWarp(self._getCutterOutput())
148                elif(z_axis_length == 0): # A cutter is not used for 2D data.
149                    self._setupWarp(
150                            self.__data_collector._getDataCollectorOutput())
151    
         self._setupWarp(self._getCutterOutput())  
152          self._setupDataSetMapper(self._getWarpOutput(),          self._setupDataSetMapper(self._getWarpOutput(),
153                  lookup_table._getLookupTable())                  lookup_table._getLookupTable())
154    

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