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<DIV><FONT face=Arial size=2>Dear All,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Is it possible to use the SetArray() method using
python?</FONT></DIV>
<DIV><FONT face=Arial size=2>I have a 3D array in python called colourMap[ ][ ][
]. I'd like to use the information within this array to selectively change the
colour of a vtk mesh. To change the colour I know to use:</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial
size=2>polyData.GetPointData().SetScalars(scalars)</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>where polyData is a vtkPolyData() and scalars is a
vtkDataArray()</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Currently I am using a for loop:</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>scalars = vtk.vtkIntArray()</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>for x in range(NumberOfPoints):</FONT></DIV>
<DIV><FONT face=Arial size=2>
scalars.InsertNextValue(colourMap[0][0][x])</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Would it be faster to refer to the colourMap
data using:</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>scalars.SetArray(colourMap[0][0])?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>than inserting each value one by one?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Is it possible to use
scalars.SetArray(colourMap[0][0]) in a python vtk setup?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>So far I've had no joy. Please let me know if I've
missed something or if anyone has any suggestions.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Kind Regards,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Richard. </FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
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